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.git
homework.db
config.ini
*.log
tmp/
.env

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# Binaries
homework-manager
homework-manager.exe
server
server.exe
*.exe
*.dll
*.so
*.dylib
# Database
*.db
*.db-journal
# Logs
*.log
# Vendor
vendor/
# Local Config
config.ini
.env
# Editor/IDE
.vscode/
.idea/
*.swp
*.swo
.DS_Store
Thumbs.db
# OS
ehthumbs.db
Desktop.ini

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# Builder stage
FROM golang:1.24-alpine AS builder
# Set working directory
WORKDIR /app
# Install git if needed for fetching dependencies (sometimes needed even with go modules)
# RUN apk add --no-cache git
# Copy go mod and sum files
COPY go.mod go.sum ./
# Download dependencies
RUN go mod download
# Copy source code
COPY . .
# Build the application
# CGO_ENABLED=0 for static binary since we are using pure Go SQLite driver (glebarez/sqlite)
RUN CGO_ENABLED=0 go build -o server ./cmd/server/main.go
# Runtime stage
FROM alpine:latest
# Install runtime dependencies
RUN apk add --no-cache ca-certificates tzdata
# Set working directory
WORKDIR /app
# Copy binary from builder
COPY --from=builder /app/server .
# Copy web assets (templates, static files)
COPY --from=builder /app/web ./web
# Expose port (adjust if your app uses a different port)
EXPOSE 8080
# Run the application
ENTRYPOINT ["./server"]

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GNU Affero General Public License
=================================
_Version 3, 19 November 2007_
_Copyright © 2007 Free Software Foundation, Inc. &lt;<http://fsf.org/>&gt;_
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
## Preamble
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
Developers that use our General Public Licenses protect your rights
with two steps: **(1)** assert copyright on the software, and **(2)** offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.
A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
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The GNU Affero General Public License is designed specifically to
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provide the source code of the modified version running there to the
users of that server. Therefore, public use of a modified version, on
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An older license, called the Affero General Public License and
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a different license, not a version of the Affero GPL, but Affero has
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The precise terms and conditions for copying, distribution and
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## TERMS AND CONDITIONS
### 0. Definitions
“This License” refers to version 3 of the GNU Affero General Public License.
“Copyright” also means copyright-like laws that apply to other kinds of
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### 2. Basic Permissions
All rights granted under this License are granted for the term of
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permission to run the unmodified Program. The output from running a
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### 4. Conveying Verbatim Copies
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### 7. Additional Terms
“Additional permissions” are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
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this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
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Notwithstanding any other provision of this License, for material you
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All other non-permissive additional terms are considered “further
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If you add terms to a covered work in accord with this section, you
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Additional terms, permissive or non-permissive, may be stated in the
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the above requirements apply either way.
### 8. Termination
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated **(a)**
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finally terminates your license, and **(b)** permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is
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violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
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this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
### 9. Acceptance Not Required for Having Copies
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run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
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### 10. Automatic Licensing of Downstream Recipients
Each time you convey a covered work, the recipient automatically
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organization, or substantially all assets of one, or subdividing an
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You may not impose any further restrictions on the exercise of the
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rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
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sale, or importing the Program or any portion of it.
### 11. Patents
A “contributor” is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's “contributor version”.
A contributor's “essential patent claims” are all patent claims
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but do not include claims that would be infringed only as a
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available, or **(2)** arrange to deprive yourself of the benefit of the
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covered work in a country, or your recipient's use of the covered work
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you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is “discriminatory” if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
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in the business of distributing software, under which you make payment
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or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
### 12. No Surrender of Others' Freedom
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
### 13. Remote Network Interaction; Use with the GNU General Public License
Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
means of facilitating copying of software. This Corresponding Source
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of the GNU General Public License that is incorporated pursuant to the
following paragraph.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.
### 14. Revised Versions of this License
The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU Affero General
Public License “or any later version” applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
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by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
### 15. Disclaimer of Warranty
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
### 16. Limitation of Liability
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
### 17. Interpretation of Sections 15 and 16
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
_END OF TERMS AND CONDITIONS_
## How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the “copyright” line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a “Source” link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a “copyright disclaimer” for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
&lt;<http://www.gnu.org/licenses/>&gt;.

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# Homework Manager
シンプルな課題管理アプリケーションです。学生の課題管理を効率化するために設計されています。
## 特徴
- **課題管理**: 課題の登録、編集、削除、完了状況の管理
- **ダッシュボード**: 期限切れ、本日期限、今週期限の課題をひと目で確認
- **API対応**: 外部連携用のRESTful API (APIキー認証)
- **セキュリティ**:
- CSRF対策
- レート制限 (Rate Limiting)
- セキュアなセッション管理
- **ポータビリティ**: Pure Go SQLiteドライバー使用により、CGO不要でどこでも動作
## TODO
- 取り組み目安時間の登録
- SNS連携（もしかしたらやるかも）
## ドキュメント
詳細な仕様やAPIドキュメントは `docs/` ディレクトリを参照してください。
- [仕様書](docs/SPECIFICATION.md): 機能詳細、データモデル、設定項目
- [APIドキュメント](docs/API.md): APIのエンドポイント、リクエスト/レスポンス形式
## 前提条件
- Go 1.24 以上
## インストール方法
1. **リポジトリのクローン**
```bash
git clone <repository-url>
cd Homework-Manager
```
2. **依存関係のダウンロード**
```bash
go mod download
```
3. **アプリケーションのビルド**
```bash
go build -o homework-manager cmd/server/main.go
```
4. **設定ファイルの準備**
サンプル設定ファイルをコピーして、`config.ini` を作成します。
```bash
cp config.ini.example config.ini
```
※ Windows (PowerShell): `Copy-Item config.ini.example config.ini`
**重要**: 本番環境で使用する場合は、必ず `[session] secret` と `[security] csrf_secret` を変更してください。
5. **アプリケーションの実行**
```bash
./homework-manager
```
※ Windows (PowerShell): `.\homework-manager.exe`
ブラウザで `http://localhost:8080` にアクセスしてください。
## Dockerでの実行
DockerおよびDocker Composeがインストールされている環境では、以下の手順で簡単に起動できます。
1. **設定ファイルの準備**
```bash
cp config.ini.example config.ini
```
※ 必須です。これを行わないとDockerがディレクトリとして作成してしまい起動に失敗します。
2. **コンテナの起動**
```bash
docker-compose up -d --build
```
3. **アクセスの確認**
ブラウザで `http://localhost:8080` にアクセスしてください。
## 更新方法
1. `git pull` で最新コードを取得
2. `go build -o homework-manager cmd/server/main.go` で再ビルド
3. アプリケーションを再起動
## ライセンス
本ソフトウェアのライセンスはAGPLv3 (GNU Affero General Public License v3)です。
詳しくはLICENSEファイルをご覧ください。

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; Homework Manager 設定ファイル
; 環境変数が設定されている場合はそちらが優先されます
[server]
; サーバーポート
port = 8080
; デバッグモード (true/false)
debug = true
[database]
; データベースドライバー: sqlite, mysql, postgres
driver = sqlite
; SQLite用設定
path = homework.db
; MySQL/PostgreSQL用設定（driverをmysqlまたはpostgresに変更して使用）
; host = localhost
; port = 3306
; user = root
; password =
; name = homework_manager
; PostgreSQL例:
; driver = postgres
; host = localhost
; port = 5432
; user = postgres
; password = secret
; name = homework_manager
[session]
; セッション暗号化キー（本番環境では必ず変更してください）
secret = homework-manager-secret-key-change-in-production
[auth]
; 新規ユーザー登録を許可するか (true/false)
; falseにすると登録ページが無効化されます
allow_registration = true
[security]
; HTTPS使用時はtrueに設定（Secure cookie属性が有効になります）
https = false
; CSRFトークン秘密鍵（本番環境では必ず変更してください）
csrf_secret = change-this-to-a-secure-random-string
# Enable rate limiting
rate_limit_enabled = true
# Max requests per window
rate_limit_requests = 100
# Window size in seconds
rate_limit_window = 60
# Trusted proxies (comma separated IP addresses or CIDR)
# trusted_proxies = 127.0.0.1, 10.0.0.0/8

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services:
app:
build: .
ports:
- "8080:8080"
volumes:
- ./homework.db:/app/homework.db
- ./config.ini:/app/config.ini
environment:
- TZ=Asia/Tokyo
restart: unless-stopped

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# Super Homework Manager API ドキュメント
## 概要
Super Homework Manager REST APIは、課題管理機能をプログラムから利用するためのAPIです。
- **ベースURL**: `/api/v1`
- **認証方式**: APIキー認証
- **レスポンス形式**: JSON
---
## 認証
すべてのAPIエンドポイントはAPIキー認証が必要です。
### APIキーの取得
1. 管理者アカウントでログイン
2. 管理画面 → APIキー管理へ移動
3. 新規APIキーを発行
### 認証ヘッダー
```
X-API-Key: hm_XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
```
### 認証エラー
| ステータスコード | レスポンス |
|------------------|------------|
| 401 Unauthorized | `{"error": "API key required"}` |
| 401 Unauthorized | `{"error": "Invalid API key"}` |
---
## エンドポイント一覧
| メソッド | パス | 説明 |
|----------|------|------|
| GET | `/api/v1/assignments` | 課題一覧取得 |
| GET | `/api/v1/assignments/:id` | 課題詳細取得 |
| POST | `/api/v1/assignments` | 課題作成 |
| PUT | `/api/v1/assignments/:id` | 課題更新 |
| DELETE | `/api/v1/assignments/:id` | 課題削除 |
| PATCH | `/api/v1/assignments/:id/toggle` | 完了状態トグル |
---
## 課題一覧取得
```
GET /api/v1/assignments
```
### クエリパラメータ
| パラメータ | 型 | 説明 |
|------------|------|------|
| `filter` | string | フィルタ: `pending`, `completed`, `overdue` (省略時: 全件) |
### レスポンス
**200 OK**
```json
{
"assignments": [
{
"id": 1,
"user_id": 1,
"title": "数学レポート",
"description": "第5章の練習問題",
"subject": "数学",
"due_date": "2025-01-15T23:59:00+09:00",
"is_completed": false,
"created_at": "2025-01-10T10:00:00+09:00",
"updated_at": "2025-01-10T10:00:00+09:00"
}
],
"count": 1
}
```
### 例
```bash
# 全件取得
curl -H "X-API-Key: hm_xxx" http://localhost:8080/api/v1/assignments
# 未完了のみ取得
curl -H "X-API-Key: hm_xxx" http://localhost:8080/api/v1/assignments?filter=pending
# 期限切れのみ取得
curl -H "X-API-Key: hm_xxx" http://localhost:8080/api/v1/assignments?filter=overdue
```
---
## 課題詳細取得
```
GET /api/v1/assignments/:id
```
### パスパラメータ
| パラメータ | 型 | 説明 |
|------------|------|------|
| `id` | integer | 課題ID |
### レスポンス
**200 OK**
```json
{
"id": 1,
"user_id": 1,
"title": "数学レポート",
"description": "第5章の練習問題",
"subject": "数学",
"due_date": "2025-01-15T23:59:00+09:00",
"is_completed": false,
"created_at": "2025-01-10T10:00:00+09:00",
"updated_at": "2025-01-10T10:00:00+09:00"
}
```
**404 Not Found**
```json
{
"error": "Assignment not found"
}
```
### 例
```bash
curl -H "X-API-Key: hm_xxx" http://localhost:8080/api/v1/assignments/1
```
---
## 課題作成
```
POST /api/v1/assignments
```
### リクエストボディ
| フィールド | 型 | 必須 | 説明 |
|------------|------|------|------|
| `title` | string | ✅ | 課題タイトル |
| `description` | string | | 説明 |
| `subject` | string | | 教科・科目 |
| `due_date` | string | ✅ | 提出期限（RFC3339 または `YYYY-MM-DDTHH:MM` または `YYYY-MM-DD`） |
### リクエスト例
```json
{
"title": "英語エッセイ",
"description": "テーマ自由、1000語以上",
"subject": "英語",
"due_date": "2025-01-20T17:00"
}
```
### レスポンス
**201 Created**
```json
{
"id": 2,
"user_id": 1,
"title": "英語エッセイ",
"description": "テーマ自由、1000語以上",
"subject": "英語",
"due_date": "2025-01-20T17:00:00+09:00",
"is_completed": false,
"created_at": "2025-01-10T11:00:00+09:00",
"updated_at": "2025-01-10T11:00:00+09:00"
}
```
**400 Bad Request**
```json
{
"error": "Invalid input: title and due_date are required"
}
```
### 例
```bash
curl -X POST \
-H "X-API-Key: hm_xxx" \
-H "Content-Type: application/json" \
-d '{"title":"英語エッセイ","due_date":"2025-01-20"}' \
http://localhost:8080/api/v1/assignments
```
---
## 課題更新
```
PUT /api/v1/assignments/:id
```
### パスパラメータ
| パラメータ | 型 | 説明 |
|------------|------|------|
| `id` | integer | 課題ID |
### リクエストボディ
すべてのフィールドはオプションです。省略されたフィールドは既存の値を維持します。
| フィールド | 型 | 説明 |
|------------|------|------|
| `title` | string | 課題タイトル |
| `description` | string | 説明 |
| `subject` | string | 教科・科目 |
| `due_date` | string | 提出期限 |
### リクエスト例
```json
{
"title": "英語エッセイ（修正版）",
"due_date": "2025-01-25T17:00"
}
```
### レスポンス
**200 OK**
```json
{
"id": 2,
"user_id": 1,
"title": "英語エッセイ（修正版）",
"description": "テーマ自由、1000語以上",
"subject": "英語",
"due_date": "2025-01-25T17:00:00+09:00",
"is_completed": false,
"created_at": "2025-01-10T11:00:00+09:00",
"updated_at": "2025-01-10T12:00:00+09:00"
}
```
**404 Not Found**
```json
{
"error": "Assignment not found"
}
```
### 例
```bash
curl -X PUT \
-H "X-API-Key: hm_xxx" \
-H "Content-Type: application/json" \
-d '{"title":"更新されたタイトル"}' \
http://localhost:8080/api/v1/assignments/2
```
---
## 課題削除
```
DELETE /api/v1/assignments/:id
```
### パスパラメータ
| パラメータ | 型 | 説明 |
|------------|------|------|
| `id` | integer | 課題ID |
### レスポンス
**200 OK**
```json
{
"message": "Assignment deleted"
}
```
**404 Not Found**
```json
{
"error": "Assignment not found"
}
```
### 例
```bash
curl -X DELETE \
-H "X-API-Key: hm_xxx" \
http://localhost:8080/api/v1/assignments/2
```
---
## 完了状態トグル
課題の完了状態を切り替えます（未完了 ↔ 完了）。
```
PATCH /api/v1/assignments/:id/toggle
```
### パスパラメータ
| パラメータ | 型 | 説明 |
|------------|------|------|
| `id` | integer | 課題ID |
### レスポンス
**200 OK**
```json
{
"id": 1,
"user_id": 1,
"title": "数学レポート",
"description": "第5章の練習問題",
"subject": "数学",
"due_date": "2025-01-15T23:59:00+09:00",
"is_completed": true,
"completed_at": "2025-01-12T14:30:00+09:00",
"created_at": "2025-01-10T10:00:00+09:00",
"updated_at": "2025-01-12T14:30:00+09:00"
}
```
**404 Not Found**
```json
{
"error": "Assignment not found"
}
```
### 例
```bash
curl -X PATCH \
-H "X-API-Key: hm_xxx" \
http://localhost:8080/api/v1/assignments/1/toggle
```
---
## エラーレスポンス
すべてのエラーレスポンスは以下の形式で返されます：
```json
{
"error": "エラーメッセージ"
}
```
### 共通エラーコード
| ステータスコード | 説明 |
|------------------|------|
| 400 Bad Request | リクエストの形式が不正 |
| 401 Unauthorized | 認証エラー |
| 404 Not Found | リソースが見つからない |
| 500 Internal Server Error | サーバー内部エラー |
---
## 日付形式
APIは以下の日付形式を受け付けます（優先度順）：
1. **RFC3339**: `2025-01-15T23:59:00+09:00`
2. **日時形式**: `2025-01-15T23:59`
3. **日付のみ**: `2025-01-15`（時刻は23:59に設定）
レスポンスの日付はすべてRFC3339形式で返されます。
---
## Rate Limiting
アプリケーションレベルでのRate Limitingが実装されています。
- **制限単位**: IPアドレスごと
- **デフォルト制限**: 100リクエスト / 60秒
- **超過時レスポンス**: `429 Too Many Requests`
```json
{
"error": "リクエスト数が制限を超えました。しばらくしてからお試しください。"
}
```
設定ファイル (`config.ini`) または環境変数で制限値を変更可能です。

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# Super Homework Manager 仕様書
## 1. 概要
Super Homework Managerは、学生の課題管理を支援するWebアプリケーションです。Go言語とGinフレームワークを使用して構築されており、課題の登録・管理、期限追跡、完了状況の管理機能を提供します。
### 1.1 技術スタック
| 項目 | 技術 |
|------|------|
| 言語 | Go |
| Webフレームワーク | Gin |
| データベース | SQLite (GORM with Pure Go driver - glebarez/sqlite) |
| セッション管理 | gin-contrib/sessions (Cookie store) |
| テンプレートエンジン | Go html/template |
| コンテナ | Docker対応 |
### 1.2 ディレクトリ構成
```
homework-manager/
├── cmd/server/ # アプリケーションエントリポイント
├── internal/
│ ├── config/ # 設定読み込み
│ ├── database/ # データベース接続・マイグレーション
│ ├── handler/ # HTTPハンドラ
│ ├── middleware/ # ミドルウェア
│ ├── models/ # データモデル
│ ├── repository/ # データアクセス層
│ └── service/ # ビジネスロジック
├── web/
│ ├── static/ # 静的ファイル (CSS, JS)
│ └── templates/ # HTMLテンプレート
├── Dockerfile
└── docker-compose.yml
```
---
## 2. データモデル
### 2.1 User（ユーザー）
ユーザー情報を管理するモデル。
| フィールド | 型 | 説明 | 制約 |
|------------|------|------|------|
| ID | uint | ユーザーID | Primary Key |
| Email | string | メールアドレス | Unique, Not Null |
| PasswordHash | string | パスワードハッシュ | Not Null |
| Name | string | 表示名 | Not Null |
| Role | string | 権限 (`user` or `admin`) | Default: `user` |
| CreatedAt | time.Time | 作成日時 | 自動設定 |
| UpdatedAt | time.Time | 更新日時 | 自動更新 |
| DeletedAt | gorm.DeletedAt | 論理削除日時 | ソフトデリート |
### 2.2 Assignment（課題）
課題情報を管理するモデル。
| フィールド | 型 | 説明 | 制約 |
|------------|------|------|------|
| ID | uint | 課題ID | Primary Key |
| UserID | uint | 所有ユーザーID | Not Null, Index |
| Title | string | 課題タイトル | Not Null |
| Description | string | 説明 | - |
| Subject | string | 教科・科目 | - |
| DueDate | time.Time | 提出期限 | Not Null |
| IsCompleted | bool | 完了フラグ | Default: false |
| CompletedAt | *time.Time | 完了日時 | Nullable |
| CreatedAt | time.Time | 作成日時 | 自動設定 |
| UpdatedAt | time.Time | 更新日時 | 自動更新 |
| DeletedAt | gorm.DeletedAt | 論理削除日時 | ソフトデリート |
### 2.3 APIKey（APIキー）
REST API認証用のAPIキーを管理するモデル。
| フィールド | 型 | 説明 | 制約 |
|------------|------|------|------|
| ID | uint | APIキーID | Primary Key |
| UserID | uint | 所有ユーザーID | Not Null, Index |
| Name | string | キー名 | Not Null |
| KeyHash | string | キーハッシュ | Unique, Not Null |
| LastUsed | *time.Time | 最終使用日時 | Nullable |
| CreatedAt | time.Time | 作成日時 | 自動設定 |
| DeletedAt | gorm.DeletedAt | 論理削除日時 | ソフトデリート |
---
## 3. 認証・認可
### 3.1 Web認証
- **セッションベース認証**: Cookie storeを使用
- **セッション有効期限**: 7日間
- **パスワード要件**: 8文字以上
- **パスワードハッシュ**: bcryptを使用
- **CSRF対策**: 全フォームでのトークン検証
### 3.2 API認証
- **APIキー認証**: `X-API-Key` ヘッダーで認証
- **キー形式**: `hm_` プレフィックス + 32文字のランダム文字列
- **ハッシュ保存**: SHA-256でハッシュ化して保存
### 3.3 ユーザーロール
| ロール | 権限 |
|--------|------|
| `user` | 自分の課題のCRUD操作、プロフィール管理 |
| `admin` | 全ユーザー管理、APIキー管理、ユーザー権限の変更 |
※ 最初に登録されたユーザーには自動的に `admin` 権限が付与されます。2人目以降は `user` として登録されます。
---
## 4. 機能一覧
### 4.1 認証機能
| 機能 | 説明 |
|------|------|
| 新規登録 | メールアドレス、パスワード、名前で登録 |
| ログイン | メールアドレスとパスワードでログイン |
| ログアウト | セッションをクリアしてログアウト |
### 4.2 課題管理機能
| 機能 | 説明 |
|------|------|
| ダッシュボード | 課題の統計情報、本日期限の課題、期限切れ課題、今週期限の課題を表示 |
| 課題一覧 | フィルタ付き（未完了/完了済み/期限切れ）で課題を一覧表示 |
| 課題登録 | タイトル、説明、教科、提出期限を入力して新規登録 |
| 課題編集 | 既存の課題情報を編集 |
| 課題削除 | 課題を論理削除 |
| 完了トグル | 課題の完了/未完了状態を切り替え |
### 4.3 プロフィール機能
| 機能 | 説明 |
|------|------|
| プロフィール表示 | ユーザー情報を表示 |
| プロフィール更新 | 表示名を変更 |
| パスワード変更 | 現在のパスワードを確認後、新しいパスワードに変更 |
### 4.4 管理者機能
| 機能 | 説明 |
|------|------|
| ユーザー一覧 | 全ユーザーを一覧表示 |
| ユーザー削除 | ユーザーを論理削除（自分自身は削除不可） |
| 権限変更 | ユーザーのロールを変更（自分自身は変更不可） |
| APIキー一覧 | 全APIキーを一覧表示 |
| APIキー発行 | 新規APIキーを発行（発行時のみ平文表示） |
| APIキー削除 | APIキーを削除 |
---
## 5. 設定
### 5.1 設定ファイル (config.ini)
アプリケーションは `config.ini` ファイルから設定を読み込みます。`config.ini.example` をコピーして使用してください。
```ini
[server]
port = 8080
debug = true
[database]
driver = sqlite
path = homework.db
[session]
secret = your-secure-secret-key
[auth]
allow_registration = true
[security]
https = false
csrf_secret = your-secure-csrf-secret
rate_limit_enabled = true
rate_limit_requests = 100
rate_limit_window = 60
```
### 5.2 設定項目
| セクション | キー | 説明 | デフォルト値 |
|------------|------|------|--------------|
| `server` | `port` | サーバーポート | `8080` |
| `server` | `debug` | デバッグモード | `true` |
| `database` | `driver` | DBドライバー (sqlite, mysql, postgres) | `sqlite` |
| `database` | `path` | SQLiteファイルパス | `homework.db` |
| `session` | `secret` | セッション暗号化キー | (必須) |
| `auth` | `allow_registration` | 新規登録許可 | `true` |
| `security` | `https` | HTTPS設定(Secure Cookie) | `false` |
| `security` | `csrf_secret` | CSRFトークン秘密鍵 | (必須) |
| `security` | `rate_limit_enabled` | レート制限有効化 | `true` |
| `security` | `rate_limit_requests` | 期間あたりの最大リクエスト数 | `100` |
| `security` | `rate_limit_window` | 期間（秒） | `60` |
### 5.3 環境変数
環境変数が設定されている場合、config.iniの設定より優先されます。
| 変数名 | 説明 |
|--------|------|
| `PORT` | サーバーポート |
| `DATABASE_DRIVER` | データベースドライバー |
| `DATABASE_PATH` | SQLiteデータベースファイルパス |
| `SESSION_SECRET` | セッション暗号化キー |
| `CSRF_SECRET` | CSRFトークン秘密鍵 |
| `GIN_MODE` | `release` でリリースモード（debug=false） |
| `ALLOW_REGISTRATION` | 新規登録許可 (true/false) |
| `HTTPS` | HTTPSモード (true/false) |
| `TRUSTED_PROXIES` | 信頼するプロキシのリスト |
### 5.4 設定の優先順位
1. 環境変数（最優先）
2. config.ini
3. デフォルト値
---
## 6. セキュリティ
### 6.1 実装済みセキュリティ機能
- **パスワードハッシュ化**: bcryptによるソルト付きハッシュ
- **セッションセキュリティ**: HttpOnly Cookie
- **入力バリデーション**: 各ハンドラで基本的な入力検証
- **CSFR対策**: Double Submit Cookieパターンまたは同期トークンによるCSRF保護
- **レート制限**: IPベースのリクエスト制限によるDoS対策
- **論理削除**: データの完全削除を防ぐソフトデリート
- **権限チェック**: ミドルウェアによるロールベースアクセス制御
- **Secure Cookie**: HTTPS設定時のSecure属性付与
### 6.2 推奨される本番環境設定
- `SESSION_SECRET` と `CSRF_SECRET` を強力なランダム文字列に変更
- HTTPSを有効化し、`HTTPS=true` を設定
- `GIN_MODE=release` を設定
- 必要に応じて `TRUSTED_PROXIES` を設定
---
## 7. ライセンス
AGPLv3 (GNU Affero General Public License v3)

69
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@@ -0,0 +1,69 @@
module homework-manager
go 1.24.0
toolchain go1.24.11
require (
github.com/gin-contrib/sessions v1.0.4
github.com/gin-gonic/gin v1.11.0
github.com/glebarez/sqlite v1.11.0
golang.org/x/crypto v0.46.0
gopkg.in/ini.v1 v1.67.0
gorm.io/driver/mysql v1.6.0
gorm.io/driver/postgres v1.6.0
gorm.io/gorm v1.31.1
)
require (
filippo.io/edwards25519 v1.1.0 // indirect
github.com/bytedance/gopkg v0.1.3 // indirect
github.com/bytedance/sonic v1.14.2 // indirect
github.com/bytedance/sonic/loader v0.4.0 // indirect
github.com/cloudwego/base64x v0.1.6 // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/gabriel-vasile/mimetype v1.4.12 // indirect
github.com/gin-contrib/sse v1.1.0 // indirect
github.com/glebarez/go-sqlite v1.22.0 // indirect
github.com/go-playground/locales v0.14.1 // indirect
github.com/go-playground/universal-translator v0.18.1 // indirect
github.com/go-playground/validator/v10 v10.30.1 // indirect
github.com/go-sql-driver/mysql v1.8.1 // indirect
github.com/goccy/go-json v0.10.5 // indirect
github.com/goccy/go-yaml v1.19.1 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/gorilla/context v1.1.2 // indirect
github.com/gorilla/securecookie v1.1.2 // indirect
github.com/gorilla/sessions v1.4.0 // indirect
github.com/jackc/pgpassfile v1.0.0 // indirect
github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
github.com/jackc/pgx/v5 v5.6.0 // indirect
github.com/jackc/puddle/v2 v2.2.2 // indirect
github.com/jinzhu/inflection v1.0.0 // indirect
github.com/jinzhu/now v1.1.5 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/cpuid/v2 v2.3.0 // indirect
github.com/leodido/go-urn v1.4.0 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/ncruces/go-strftime v1.0.0 // indirect
github.com/pelletier/go-toml/v2 v2.2.4 // indirect
github.com/quic-go/qpack v0.6.0 // indirect
github.com/quic-go/quic-go v0.58.0 // indirect
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
github.com/ugorji/go/codec v1.3.1 // indirect
go.uber.org/mock v0.6.0 // indirect
golang.org/x/arch v0.23.0 // indirect
golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93 // indirect
golang.org/x/net v0.48.0 // indirect
golang.org/x/sync v0.19.0 // indirect
golang.org/x/sys v0.39.0 // indirect
golang.org/x/text v0.32.0 // indirect
google.golang.org/protobuf v1.36.11 // indirect
modernc.org/libc v1.67.2 // indirect
modernc.org/mathutil v1.7.1 // indirect
modernc.org/memory v1.11.0 // indirect
modernc.org/sqlite v1.42.2 // indirect
)

174
go.sum Normal file
View File

@@ -0,0 +1,174 @@
filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
github.com/bytedance/sonic v1.14.2 h1:k1twIoe97C1DtYUo+fZQy865IuHia4PR5RPiuGPPIIE=
github.com/bytedance/sonic v1.14.2/go.mod h1:T80iDELeHiHKSc0C9tubFygiuXoGzrkjKzX2quAx980=
github.com/bytedance/sonic/loader v0.4.0 h1:olZ7lEqcxtZygCK9EKYKADnpQoYkRQxaeY2NYzevs+o=
github.com/bytedance/sonic/loader v0.4.0/go.mod h1:AR4NYCk5DdzZizZ5djGqQ92eEhCCcdf5x77udYiSJRo=
github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
github.com/gabriel-vasile/mimetype v1.4.12 h1:e9hWvmLYvtp846tLHam2o++qitpguFiYCKbn0w9jyqw=
github.com/gabriel-vasile/mimetype v1.4.12/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
github.com/gin-contrib/sessions v1.0.4 h1:ha6CNdpYiTOK/hTp05miJLbpTSNfOnFg5Jm2kbcqy8U=
github.com/gin-contrib/sessions v1.0.4/go.mod h1:ccmkrb2z6iU2osiAHZG3x3J4suJK+OU27oqzlWOqQgs=
github.com/gin-contrib/sse v1.1.0 h1:n0w2GMuUpWDVp7qSpvze6fAu9iRxJY4Hmj6AmBOU05w=
github.com/gin-contrib/sse v1.1.0/go.mod h1:hxRZ5gVpWMT7Z0B0gSNYqqsSCNIJMjzvm6fqCz9vjwM=
github.com/gin-gonic/gin v1.11.0 h1:OW/6PLjyusp2PPXtyxKHU0RbX6I/l28FTdDlae5ueWk=
github.com/gin-gonic/gin v1.11.0/go.mod h1:+iq/FyxlGzII0KHiBGjuNn4UNENUlKbGlNmc+W50Dls=
github.com/glebarez/go-sqlite v1.22.0 h1:uAcMJhaA6r3LHMTFgP0SifzgXg46yJkgxqyuyec+ruQ=
github.com/glebarez/go-sqlite v1.22.0/go.mod h1:PlBIdHe0+aUEFn+r2/uthrWq4FxbzugL0L8Li6yQJbc=
github.com/glebarez/sqlite v1.11.0 h1:wSG0irqzP6VurnMEpFGer5Li19RpIRi2qvQz++w0GMw=
github.com/glebarez/sqlite v1.11.0/go.mod h1:h8/o8j5wiAsqSPoWELDUdJXhjAhsVliSn7bWZjOhrgQ=
github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
github.com/go-playground/validator/v10 v10.30.1 h1:f3zDSN/zOma+w6+1Wswgd9fLkdwy06ntQJp0BBvFG0w=
github.com/go-playground/validator/v10 v10.30.1/go.mod h1:oSuBIQzuJxL//3MelwSLD5hc2Tu889bF0Idm9Dg26cM=
github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
github.com/goccy/go-yaml v1.19.1 h1:3rG3+v8pkhRqoQ/88NYNMHYVGYztCOCIZ7UQhu7H+NE=
github.com/goccy/go-yaml v1.19.1/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gorilla/context v1.1.2 h1:WRkNAv2uoa03QNIc1A6u4O7DAGMUVoopZhkiXWA2V1o=
github.com/gorilla/context v1.1.2/go.mod h1:KDPwT9i/MeWHiLl90fuTgrt4/wPcv75vFAZLaOOcbxM=
github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
github.com/gorilla/securecookie v1.1.2/go.mod h1:NfCASbcHqRSY+3a8tlWJwsQap2VX5pwzwo4h3eOamfo=
github.com/gorilla/sessions v1.4.0 h1:kpIYOp/oi6MG/p5PgxApU8srsSw9tuFbt46Lt7auzqQ=
github.com/gorilla/sessions v1.4.0/go.mod h1:FLWm50oby91+hl7p/wRxDth9bWSuk0qVL2emc7lT5ik=
github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo=
github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
github.com/jackc/pgx/v5 v5.6.0 h1:SWJzexBzPL5jb0GEsrPMLIsi/3jOo7RHlzTjcAeDrPY=
github.com/jackc/pgx/v5 v5.6.0/go.mod h1:DNZ/vlrUnhWCoFGxHAG8U2ljioxukquj7utPDgtQdTw=
github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo=
github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/quic-go/qpack v0.6.0 h1:g7W+BMYynC1LbYLSqRt8PBg5Tgwxn214ZZR34VIOjz8=
github.com/quic-go/qpack v0.6.0/go.mod h1:lUpLKChi8njB4ty2bFLX2x4gzDqXwUpaO1DP9qMDZII=
github.com/quic-go/quic-go v0.58.0 h1:ggY2pvZaVdB9EyojxL1p+5mptkuHyX5MOSv4dgWF4Ug=
github.com/quic-go/quic-go v0.58.0/go.mod h1:upnsH4Ju1YkqpLXC305eW3yDZ4NfnNbmQRCMWS58IKU=
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
github.com/ugorji/go/codec v1.3.1 h1:waO7eEiFDwidsBN6agj1vJQ4AG7lh2yqXyOXqhgQuyY=
github.com/ugorji/go/codec v1.3.1/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
go.uber.org/mock v0.6.0 h1:hyF9dfmbgIX5EfOdasqLsWD6xqpNZlXblLB/Dbnwv3Y=
go.uber.org/mock v0.6.0/go.mod h1:KiVJ4BqZJaMj4svdfmHM0AUx4NJYO8ZNpPnZn1Z+BBU=
golang.org/x/arch v0.23.0 h1:lKF64A2jF6Zd8L0knGltUnegD62JMFBiCPBmQpToHhg=
golang.org/x/arch v0.23.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93 h1:fQsdNF2N+/YewlRZiricy4P1iimyPKZ/xwniHj8Q2a0=
golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93/go.mod h1:EPRbTFwzwjXj9NpYyyrvenVh9Y+GFeEvMNh7Xuz7xgU=
golang.org/x/mod v0.31.0 h1:HaW9xtz0+kOcWKwli0ZXy79Ix+UW/vOfmWI5QVd2tgI=
golang.org/x/mod v0.31.0/go.mod h1:43JraMp9cGx1Rx3AqioxrbrhNsLl2l/iNAvuBkrezpg=
golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gorm.io/driver/mysql v1.6.0 h1:eNbLmNTpPpTOVZi8MMxCi2aaIm0ZpInbORNXDwyLGvg=
gorm.io/driver/mysql v1.6.0/go.mod h1:D/oCC2GWK3M/dqoLxnOlaNKmXz8WNTfcS9y5ovaSqKo=
gorm.io/driver/postgres v1.6.0 h1:2dxzU8xJ+ivvqTRph34QX+WrRaJlmfyPqXmoGVjMBa4=
gorm.io/driver/postgres v1.6.0/go.mod h1:vUw0mrGgrTK+uPHEhAdV4sfFELrByKVGnaVRkXDhtWo=
gorm.io/gorm v1.31.1 h1:7CA8FTFz/gRfgqgpeKIBcervUn3xSyPUmr6B2WXJ7kg=
gorm.io/gorm v1.31.1/go.mod h1:XyQVbO2k6YkOis7C2437jSit3SsDK72s7n7rsSHd+Gs=
modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=
modernc.org/cc/v4 v4.27.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
modernc.org/ccgo/v4 v4.30.1 h1:4r4U1J6Fhj98NKfSjnPUN7Ze2c6MnAdL0hWw6+LrJpc=
modernc.org/ccgo/v4 v4.30.1/go.mod h1:bIOeI1JL54Utlxn+LwrFyjCx2n2RDiYEaJVSrgdrRfM=
modernc.org/fileutil v1.3.40 h1:ZGMswMNc9JOCrcrakF1HrvmergNLAmxOPjizirpfqBA=
modernc.org/fileutil v1.3.40/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
modernc.org/gc/v3 v3.1.1 h1:k8T3gkXWY9sEiytKhcgyiZ2L0DTyCQ/nvX+LoCljoRE=
modernc.org/gc/v3 v3.1.1/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
modernc.org/libc v1.67.2 h1:ZbNmly1rcbjhot5jlOZG0q4p5VwFfjwWqZ5rY2xxOXo=
modernc.org/libc v1.67.2/go.mod h1:QvvnnJ5P7aitu0ReNpVIEyesuhmDLQ8kaEoyMjIFZJA=
modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
modernc.org/sqlite v1.42.2 h1:7hkZUNJvJFN2PgfUdjni9Kbvd4ef4mNLOu0B9FGxM74=
modernc.org/sqlite v1.42.2/go.mod h1:+VkC6v3pLOAE0A0uVucQEcbVW0I5nHCeDaBf+DpsQT8=
modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=

182
internal/config/config.go Normal file
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package config
import (
"log"
"os"
"gopkg.in/ini.v1"
)
type DatabaseConfig struct {
Driver string // sqlite, mysql, postgres
Path string // SQLiteの場合パス
Host string
Port string
User string
Password string
Name string
}
type Config struct {
Port string
SessionSecret string
Debug bool
AllowRegistration bool
HTTPS bool
CSRFSecret string
RateLimitEnabled bool
RateLimitRequests int
RateLimitWindow int
TrustedProxies []string
Database DatabaseConfig
}
func Load(configPath string) *Config {
cfg := &Config{
Port: "8080",
SessionSecret: "",
Debug: true,
AllowRegistration: true,
HTTPS: false,
CSRFSecret: "",
RateLimitEnabled: true,
RateLimitRequests: 100,
RateLimitWindow: 60,
Database: DatabaseConfig{
Driver: "sqlite",
Path: "homework.db",
Host: "localhost",
Port: "3306",
User: "root",
Password: "",
Name: "homework_manager",
},
}
if configPath == "" {
configPath = "config.ini"
}
if iniFile, err := ini.Load(configPath); err == nil {
log.Printf("Loading configuration from %s", configPath)
section := iniFile.Section("server")
if section.HasKey("port") {
cfg.Port = section.Key("port").String()
}
if section.HasKey("debug") {
cfg.Debug = section.Key("debug").MustBool(true)
}
section = iniFile.Section("database")
if section.HasKey("driver") {
cfg.Database.Driver = section.Key("driver").String()
}
if section.HasKey("path") {
cfg.Database.Path = section.Key("path").String()
}
if section.HasKey("host") {
cfg.Database.Host = section.Key("host").String()
}
if section.HasKey("port") {
cfg.Database.Port = section.Key("port").String()
}
if section.HasKey("user") {
cfg.Database.User = section.Key("user").String()
}
if section.HasKey("password") {
cfg.Database.Password = section.Key("password").String()
}
if section.HasKey("name") {
cfg.Database.Name = section.Key("name").String()
}
section = iniFile.Section("session")
if section.HasKey("secret") {
cfg.SessionSecret = section.Key("secret").String()
}
section = iniFile.Section("auth")
if section.HasKey("allow_registration") {
cfg.AllowRegistration = section.Key("allow_registration").MustBool(true)
}
section = iniFile.Section("security")
if section.HasKey("https") {
cfg.HTTPS = section.Key("https").MustBool(false)
}
if section.HasKey("csrf_secret") {
cfg.CSRFSecret = section.Key("csrf_secret").String()
}
if section.HasKey("rate_limit_enabled") {
cfg.RateLimitEnabled = section.Key("rate_limit_enabled").MustBool(true)
}
if section.HasKey("rate_limit_requests") {
cfg.RateLimitRequests = section.Key("rate_limit_requests").MustInt(100)
}
if section.HasKey("rate_limit_window") {
cfg.RateLimitWindow = section.Key("rate_limit_window").MustInt(60)
}
if section.HasKey("trusted_proxies") {
proxies := section.Key("trusted_proxies").String()
if proxies != "" {
cfg.TrustedProxies = []string{proxies}
}
}
} else {
log.Println("config.ini not found, using environment variables or defaults")
}
if port := os.Getenv("PORT"); port != "" {
cfg.Port = port
}
if dbDriver := os.Getenv("DATABASE_DRIVER"); dbDriver != "" {
cfg.Database.Driver = dbDriver
}
if dbPath := os.Getenv("DATABASE_PATH"); dbPath != "" {
cfg.Database.Path = dbPath
}
if dbHost := os.Getenv("DATABASE_HOST"); dbHost != "" {
cfg.Database.Host = dbHost
}
if dbPort := os.Getenv("DATABASE_PORT"); dbPort != "" {
cfg.Database.Port = dbPort
}
if dbUser := os.Getenv("DATABASE_USER"); dbUser != "" {
cfg.Database.User = dbUser
}
if dbPassword := os.Getenv("DATABASE_PASSWORD"); dbPassword != "" {
cfg.Database.Password = dbPassword
}
if dbName := os.Getenv("DATABASE_NAME"); dbName != "" {
cfg.Database.Name = dbName
}
if sessionSecret := os.Getenv("SESSION_SECRET"); sessionSecret != "" {
cfg.SessionSecret = sessionSecret
}
if os.Getenv("GIN_MODE") == "release" {
cfg.Debug = false
}
if allowReg := os.Getenv("ALLOW_REGISTRATION"); allowReg != "" {
cfg.AllowRegistration = allowReg == "true" || allowReg == "1"
}
if https := os.Getenv("HTTPS"); https != "" {
cfg.HTTPS = https == "true" || https == "1"
}
if csrfSecret := os.Getenv("CSRF_SECRET"); csrfSecret != "" {
cfg.CSRFSecret = csrfSecret
}
if trustedProxies := os.Getenv("TRUSTED_PROXIES"); trustedProxies != "" {
cfg.TrustedProxies = []string{trustedProxies}
}
if cfg.SessionSecret == "" {
log.Fatal("FATAL: Session secret is not set. Please set it in config.ini ([session] secret) or via SESSION_SECRET environment variable.")
}
if cfg.CSRFSecret == "" {
log.Fatal("FATAL: CSRF secret is not set. Please set it in config.ini ([security] csrf_secret) or via CSRF_SECRET environment variable.")
}
return cfg
}

79
internal/database/database.go Normal file
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@@ -0,0 +1,79 @@
package database
import (
"fmt"
"homework-manager/internal/config"
"homework-manager/internal/models"
"github.com/glebarez/sqlite"
"gorm.io/driver/mysql"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"gorm.io/gorm/logger"
)
var DB *gorm.DB
func Connect(dbConfig config.DatabaseConfig, debug bool) error {
var logMode logger.LogLevel
if debug {
logMode = logger.Info
} else {
logMode = logger.Silent
}
gormConfig := &gorm.Config{
Logger: logger.Default.LogMode(logMode),
}
var db *gorm.DB
var err error
switch dbConfig.Driver {
case "mysql":
dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local",
dbConfig.User,
dbConfig.Password,
dbConfig.Host,
dbConfig.Port,
dbConfig.Name,
)
db, err = gorm.Open(mysql.Open(dsn), gormConfig)
case "postgres":
dsn := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
dbConfig.Host,
dbConfig.Port,
dbConfig.User,
dbConfig.Password,
dbConfig.Name,
)
db, err = gorm.Open(postgres.Open(dsn), gormConfig)
case "sqlite":
fallthrough
default:
db, err = gorm.Open(sqlite.Open(dbConfig.Path), gormConfig)
}
if err != nil {
return err
}
DB = db
return nil
}
func Migrate() error {
return DB.AutoMigrate(
&models.User{},
&models.Assignment{},
&models.APIKey{},
)
}
func GetDB() *gorm.DB {
return DB
}

165
internal/handler/admin_handler.go Normal file
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@@ -0,0 +1,165 @@
package handler
import (
"net/http"
"strconv"
"homework-manager/internal/middleware"
"homework-manager/internal/service"
"github.com/gin-gonic/gin"
)
type AdminHandler struct {
adminService *service.AdminService
apiKeyService *service.APIKeyService
}
func NewAdminHandler() *AdminHandler {
return &AdminHandler{
adminService: service.NewAdminService(),
apiKeyService: service.NewAPIKeyService(),
}
}
func (h *AdminHandler) getUserID(c *gin.Context) uint {
userID, _ := c.Get(middleware.UserIDKey)
return userID.(uint)
}
func (h *AdminHandler) Index(c *gin.Context) {
users, _ := h.adminService.GetAllUsers()
currentUserID := h.getUserID(c)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "admin/users.html", gin.H{
"title": "ユーザー管理",
"users": users,
"currentUserID": currentUserID,
"isAdmin": true,
"userName": name,
})
}
func (h *AdminHandler) DeleteUser(c *gin.Context) {
adminID := h.getUserID(c)
targetID, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "無効なユーザーID"})
return
}
err = h.adminService.DeleteUser(adminID, uint(targetID))
if err != nil {
users, _ := h.adminService.GetAllUsers()
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "admin/users.html", gin.H{
"title": "ユーザー管理",
"users": users,
"currentUserID": adminID,
"error": err.Error(),
"isAdmin": true,
"userName": name,
})
return
}
c.Redirect(http.StatusFound, "/admin/users")
}
func (h *AdminHandler) ChangeRole(c *gin.Context) {
adminID := h.getUserID(c)
targetID, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "無効なユーザーID"})
return
}
newRole := c.PostForm("role")
err = h.adminService.ChangeRole(adminID, uint(targetID), newRole)
if err != nil {
users, _ := h.adminService.GetAllUsers()
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "admin/users.html", gin.H{
"title": "ユーザー管理",
"users": users,
"currentUserID": adminID,
"error": err.Error(),
"isAdmin": true,
"userName": name,
})
return
}
c.Redirect(http.StatusFound, "/admin/users")
}
func (h *AdminHandler) APIKeys(c *gin.Context) {
keys, _ := h.apiKeyService.GetAllAPIKeys()
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "admin/api_keys.html", gin.H{
"title": "APIキー管理",
"apiKeys": keys,
"isAdmin": true,
"userName": name,
})
}
func (h *AdminHandler) CreateAPIKey(c *gin.Context) {
userID := h.getUserID(c)
keyName := c.PostForm("name")
plainKey, _, err := h.apiKeyService.CreateAPIKey(userID, keyName)
keys, _ := h.apiKeyService.GetAllAPIKeys()
name, _ := c.Get(middleware.UserNameKey)
if err != nil {
RenderHTML(c, http.StatusOK, "admin/api_keys.html", gin.H{
"title": "APIキー管理",
"apiKeys": keys,
"error": err.Error(),
"isAdmin": true,
"userName": name,
})
return
}
RenderHTML(c, http.StatusOK, "admin/api_keys.html", gin.H{
"title": "APIキー管理",
"apiKeys": keys,
"newKey": plainKey,
"newKeyName": keyName,
"isAdmin": true,
"userName": name,
})
}
func (h *AdminHandler) DeleteAPIKey(c *gin.Context) {
id, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "無効なAPIキーID"})
return
}
err = h.apiKeyService.DeleteAPIKey(uint(id))
if err != nil {
keys, _ := h.apiKeyService.GetAllAPIKeys()
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "admin/api_keys.html", gin.H{
"title": "APIキー管理",
"apiKeys": keys,
"error": err.Error(),
"isAdmin": true,
"userName": name,
})
return
}
c.Redirect(http.StatusFound, "/admin/api-keys")
}

398
internal/handler/api_handler.go Normal file
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package handler
import (
"net/http"
"strconv"
"time"
"homework-manager/internal/middleware"
"homework-manager/internal/service"
"github.com/gin-gonic/gin"
)
type APIHandler struct {
assignmentService *service.AssignmentService
}
func NewAPIHandler() *APIHandler {
return &APIHandler{
assignmentService: service.NewAssignmentService(),
}
}
func (h *APIHandler) getUserID(c *gin.Context) uint {
userID, _ := c.Get(middleware.UserIDKey)
return userID.(uint)
}
// ListAssignments returns all assignments for the authenticated user with pagination
// GET /api/v1/assignments?filter=pending&page=1&page_size=20
func (h *APIHandler) ListAssignments(c *gin.Context) {
userID := h.getUserID(c)
filter := c.Query("filter") // pending, completed, overdue
// Parse pagination parameters
page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
// Validate pagination parameters
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = 20
}
if pageSize > 100 {
pageSize = 100 // Maximum page size to prevent abuse
}
// Use paginated methods for filtered queries
switch filter {
case "completed":
result, err := h.assignmentService.GetCompletedByUserPaginated(userID, page, pageSize)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
c.JSON(http.StatusOK, gin.H{
"assignments": result.Assignments,
"count": len(result.Assignments),
"total_count": result.TotalCount,
"total_pages": result.TotalPages,
"current_page": result.CurrentPage,
"page_size": result.PageSize,
})
return
case "overdue":
result, err := h.assignmentService.GetOverdueByUserPaginated(userID, page, pageSize)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
c.JSON(http.StatusOK, gin.H{
"assignments": result.Assignments,
"count": len(result.Assignments),
"total_count": result.TotalCount,
"total_pages": result.TotalPages,
"current_page": result.CurrentPage,
"page_size": result.PageSize,
})
return
case "pending":
result, err := h.assignmentService.GetPendingByUserPaginated(userID, page, pageSize)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
c.JSON(http.StatusOK, gin.H{
"assignments": result.Assignments,
"count": len(result.Assignments),
"total_count": result.TotalCount,
"total_pages": result.TotalPages,
"current_page": result.CurrentPage,
"page_size": result.PageSize,
})
return
default:
// For "all" filter, use simple pagination without a dedicated method
assignments, err := h.assignmentService.GetAllByUser(userID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
// Manual pagination for all assignments
totalCount := len(assignments)
totalPages := (totalCount + pageSize - 1) / pageSize
start := (page - 1) * pageSize
end := start + pageSize
if start > totalCount {
start = totalCount
}
if end > totalCount {
end = totalCount
}
c.JSON(http.StatusOK, gin.H{
"assignments": assignments[start:end],
"count": end - start,
"total_count": totalCount,
"total_pages": totalPages,
"current_page": page,
"page_size": pageSize,
})
}
}
// ListPendingAssignments returns pending assignments with pagination
// GET /api/v1/assignments/pending?page=1&page_size=20
func (h *APIHandler) ListPendingAssignments(c *gin.Context) {
userID := h.getUserID(c)
page, pageSize := h.parsePagination(c)
result, err := h.assignmentService.GetPendingByUserPaginated(userID, page, pageSize)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
h.sendPaginatedResponse(c, result)
}
// ListCompletedAssignments returns completed assignments with pagination
// GET /api/v1/assignments/completed?page=1&page_size=20
func (h *APIHandler) ListCompletedAssignments(c *gin.Context) {
userID := h.getUserID(c)
page, pageSize := h.parsePagination(c)
result, err := h.assignmentService.GetCompletedByUserPaginated(userID, page, pageSize)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
h.sendPaginatedResponse(c, result)
}
// ListOverdueAssignments returns overdue assignments with pagination
// GET /api/v1/assignments/overdue?page=1&page_size=20
func (h *APIHandler) ListOverdueAssignments(c *gin.Context) {
userID := h.getUserID(c)
page, pageSize := h.parsePagination(c)
result, err := h.assignmentService.GetOverdueByUserPaginated(userID, page, pageSize)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
h.sendPaginatedResponse(c, result)
}
// ListDueTodayAssignments returns assignments due today
// GET /api/v1/assignments/due-today
func (h *APIHandler) ListDueTodayAssignments(c *gin.Context) {
userID := h.getUserID(c)
assignments, err := h.assignmentService.GetDueTodayByUser(userID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
c.JSON(http.StatusOK, gin.H{
"assignments": assignments,
"count": len(assignments),
})
}
// ListDueThisWeekAssignments returns assignments due within this week
// GET /api/v1/assignments/due-this-week
func (h *APIHandler) ListDueThisWeekAssignments(c *gin.Context) {
userID := h.getUserID(c)
assignments, err := h.assignmentService.GetDueThisWeekByUser(userID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch assignments"})
return
}
c.JSON(http.StatusOK, gin.H{
"assignments": assignments,
"count": len(assignments),
})
}
// parsePagination extracts and validates pagination parameters
func (h *APIHandler) parsePagination(c *gin.Context) (page int, pageSize int) {
page, _ = strconv.Atoi(c.DefaultQuery("page", "1"))
pageSize, _ = strconv.Atoi(c.DefaultQuery("page_size", "20"))
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = 20
}
if pageSize > 100 {
pageSize = 100
}
return page, pageSize
}
// sendPaginatedResponse sends a standard paginated JSON response
func (h *APIHandler) sendPaginatedResponse(c *gin.Context, result *service.PaginatedResult) {
c.JSON(http.StatusOK, gin.H{
"assignments": result.Assignments,
"count": len(result.Assignments),
"total_count": result.TotalCount,
"total_pages": result.TotalPages,
"current_page": result.CurrentPage,
"page_size": result.PageSize,
})
}
// GetAssignment returns a single assignment by ID
// GET /api/v1/assignments/:id
func (h *APIHandler) GetAssignment(c *gin.Context) {
userID := h.getUserID(c)
id, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid assignment ID"})
return
}
assignment, err := h.assignmentService.GetByID(userID, uint(id))
if err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Assignment not found"})
return
}
c.JSON(http.StatusOK, assignment)
}
// CreateAssignmentInput represents the JSON input for creating an assignment
type CreateAssignmentInput struct {
Title string `json:"title" binding:"required"`
Description string `json:"description"`
Subject string `json:"subject"`
Priority string `json:"priority"` // low, medium, high (default: medium)
DueDate string `json:"due_date" binding:"required"` // RFC3339 or 2006-01-02T15:04
}
// CreateAssignment creates a new assignment
// POST /api/v1/assignments
func (h *APIHandler) CreateAssignment(c *gin.Context) {
userID := h.getUserID(c)
var input CreateAssignmentInput
if err := c.ShouldBindJSON(&input); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid input: title and due_date are required"})
return
}
dueDate, err := time.Parse(time.RFC3339, input.DueDate)
if err != nil {
dueDate, err = time.ParseInLocation("2006-01-02T15:04", input.DueDate, time.Local)
if err != nil {
dueDate, err = time.ParseInLocation("2006-01-02", input.DueDate, time.Local)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid due_date format. Use RFC3339 or 2006-01-02T15:04"})
return
}
dueDate = dueDate.Add(23*time.Hour + 59*time.Minute)
}
}
assignment, err := h.assignmentService.Create(userID, input.Title, input.Description, input.Subject, input.Priority, dueDate)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create assignment"})
return
}
c.JSON(http.StatusCreated, assignment)
}
// UpdateAssignmentInput represents the JSON input for updating an assignment
type UpdateAssignmentInput struct {
Title string `json:"title"`
Description string `json:"description"`
Subject string `json:"subject"`
Priority string `json:"priority"`
DueDate string `json:"due_date"`
}
// UpdateAssignment updates an existing assignment
// PUT /api/v1/assignments/:id
func (h *APIHandler) UpdateAssignment(c *gin.Context) {
userID := h.getUserID(c)
id, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid assignment ID"})
return
}
// Get existing assignment
existing, err := h.assignmentService.GetByID(userID, uint(id))
if err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Assignment not found"})
return
}
var input UpdateAssignmentInput
if err := c.ShouldBindJSON(&input); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid input"})
return
}
// Use existing values if not provided
title := input.Title
if title == "" {
title = existing.Title
}
description := input.Description
subject := input.Subject
priority := input.Priority
if priority == "" {
priority = existing.Priority
}
dueDate := existing.DueDate
if input.DueDate != "" {
dueDate, err = time.Parse(time.RFC3339, input.DueDate)
if err != nil {
dueDate, err = time.ParseInLocation("2006-01-02T15:04", input.DueDate, time.Local)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid due_date format"})
return
}
}
}
assignment, err := h.assignmentService.Update(userID, uint(id), title, description, subject, priority, dueDate)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update assignment"})
return
}
c.JSON(http.StatusOK, assignment)
}
// DeleteAssignment deletes an assignment
// DELETE /api/v1/assignments/:id
func (h *APIHandler) DeleteAssignment(c *gin.Context) {
userID := h.getUserID(c)
id, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid assignment ID"})
return
}
if err := h.assignmentService.Delete(userID, uint(id)); err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Assignment not found"})
return
}
c.JSON(http.StatusOK, gin.H{"message": "Assignment deleted"})
}
// ToggleAssignment toggles the completion status of an assignment
// PATCH /api/v1/assignments/:id/toggle
func (h *APIHandler) ToggleAssignment(c *gin.Context) {
userID := h.getUserID(c)
id, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid assignment ID"})
return
}
assignment, err := h.assignmentService.ToggleComplete(userID, uint(id))
if err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Assignment not found"})
return
}
c.JSON(http.StatusOK, assignment)
}

233
internal/handler/assignment_handler.go Normal file
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package handler
import (
"net/http"
"strconv"
"strings"
"time"
"homework-manager/internal/middleware"
"homework-manager/internal/models"
"homework-manager/internal/service"
"github.com/gin-gonic/gin"
)
type AssignmentHandler struct {
assignmentService *service.AssignmentService
}
func NewAssignmentHandler() *AssignmentHandler {
return &AssignmentHandler{
assignmentService: service.NewAssignmentService(),
}
}
func (h *AssignmentHandler) getUserID(c *gin.Context) uint {
userID, _ := c.Get(middleware.UserIDKey)
return userID.(uint)
}
func (h *AssignmentHandler) Dashboard(c *gin.Context) {
userID := h.getUserID(c)
stats, _ := h.assignmentService.GetDashboardStats(userID)
dueToday, _ := h.assignmentService.GetDueTodayByUser(userID)
overdue, _ := h.assignmentService.GetOverdueByUser(userID)
upcoming, _ := h.assignmentService.GetDueThisWeekByUser(userID)
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "dashboard.html", gin.H{
"title": "ダッシュボード",
"stats": stats,
"dueToday": dueToday,
"overdue": overdue,
"upcoming": upcoming,
"isAdmin": role == "admin",
"userName": name,
})
}
func (h *AssignmentHandler) Index(c *gin.Context) {
userID := h.getUserID(c)
filter := c.Query("filter")
filter = strings.TrimSpace(filter)
if filter == "" {
filter = "pending"
}
query := c.Query("q")
priority := c.Query("priority")
pageStr := c.DefaultQuery("page", "1")
page, err := strconv.Atoi(pageStr)
if err != nil || page < 1 {
page = 1
}
const pageSize = 10
result, err := h.assignmentService.SearchAssignments(userID, query, priority, filter, page, pageSize)
var assignments []models.Assignment
var totalPages, currentPage int
if err != nil || result == nil {
assignments = []models.Assignment{}
totalPages = 1
currentPage = 1
} else {
assignments = result.Assignments
totalPages = result.TotalPages
currentPage = result.CurrentPage
}
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "assignments/index.html", gin.H{
"title": "課題一覧",
"assignments": assignments,
"filter": filter,
"query": query,
"priority": priority,
"isAdmin": role == "admin",
"userName": name,
"currentPage": currentPage,
"totalPages": totalPages,
"hasPrev": currentPage > 1,
"hasNext": currentPage < totalPages,
"prevPage": currentPage - 1,
"nextPage": currentPage + 1,
})
}
func (h *AssignmentHandler) New(c *gin.Context) {
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "assignments/new.html", gin.H{
"title": "課題登録",
"isAdmin": role == "admin",
"userName": name,
})
}
func (h *AssignmentHandler) Create(c *gin.Context) {
userID := h.getUserID(c)
title := c.PostForm("title")
description := c.PostForm("description")
subject := c.PostForm("subject")
priority := c.PostForm("priority")
dueDateStr := c.PostForm("due_date")
dueDate, err := time.ParseInLocation("2006-01-02T15:04", dueDateStr, time.Local)
if err != nil {
dueDate, err = time.ParseInLocation("2006-01-02", dueDateStr, time.Local)
if err != nil {
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "assignments/new.html", gin.H{
"title": "課題登録",
"error": "提出期限の形式が正しくありません",
"formTitle": title,
"description": description,
"subject": subject,
"priority": priority,
"isAdmin": role == "admin",
"userName": name,
})
return
}
dueDate = dueDate.Add(23*time.Hour + 59*time.Minute)
}
_, err = h.assignmentService.Create(userID, title, description, subject, priority, dueDate)
if err != nil {
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "assignments/new.html", gin.H{
"title": "課題登録",
"error": "課題の登録に失敗しました",
"formTitle": title,
"description": description,
"subject": subject,
"priority": priority,
"isAdmin": role == "admin",
"userName": name,
})
return
}
c.Redirect(http.StatusFound, "/assignments")
}
func (h *AssignmentHandler) Edit(c *gin.Context) {
userID := h.getUserID(c)
id, _ := strconv.ParseUint(c.Param("id"), 10, 32)
assignment, err := h.assignmentService.GetByID(userID, uint(id))
if err != nil {
c.Redirect(http.StatusFound, "/assignments")
return
}
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "assignments/edit.html", gin.H{
"title": "課題編集",
"assignment": assignment,
"isAdmin": role == "admin",
"userName": name,
})
}
func (h *AssignmentHandler) Update(c *gin.Context) {
userID := h.getUserID(c)
id, _ := strconv.ParseUint(c.Param("id"), 10, 32)
title := c.PostForm("title")
description := c.PostForm("description")
subject := c.PostForm("subject")
priority := c.PostForm("priority")
dueDateStr := c.PostForm("due_date")
dueDate, err := time.ParseInLocation("2006-01-02T15:04", dueDateStr, time.Local)
if err != nil {
dueDate, err = time.ParseInLocation("2006-01-02", dueDateStr, time.Local)
if err != nil {
c.Redirect(http.StatusFound, "/assignments")
return
}
dueDate = dueDate.Add(23*time.Hour + 59*time.Minute)
}
_, err = h.assignmentService.Update(userID, uint(id), title, description, subject, priority, dueDate)
if err != nil {
c.Redirect(http.StatusFound, "/assignments")
return
}
c.Redirect(http.StatusFound, "/assignments")
}
func (h *AssignmentHandler) Toggle(c *gin.Context) {
userID := h.getUserID(c)
id, _ := strconv.ParseUint(c.Param("id"), 10, 32)
h.assignmentService.ToggleComplete(userID, uint(id))
referer := c.Request.Referer()
if referer == "" {
referer = "/assignments"
}
c.Redirect(http.StatusFound, referer)
}
func (h *AssignmentHandler) Delete(c *gin.Context) {
userID := h.getUserID(c)
id, _ := strconv.ParseUint(c.Param("id"), 10, 32)
h.assignmentService.Delete(userID, uint(id))
c.Redirect(http.StatusFound, "/assignments")
}

114
internal/handler/auth_handler.go Normal file
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package handler
import (
"net/http"
"homework-manager/internal/middleware"
"homework-manager/internal/service"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
)
type AuthHandler struct {
authService *service.AuthService
}
func NewAuthHandler() *AuthHandler {
return &AuthHandler{
authService: service.NewAuthService(),
}
}
func (h *AuthHandler) ShowLogin(c *gin.Context) {
RenderHTML(c, http.StatusOK, "login.html", gin.H{
"title": "ログイン",
})
}
func (h *AuthHandler) Login(c *gin.Context) {
email := c.PostForm("email")
password := c.PostForm("password")
user, err := h.authService.Login(email, password)
if err != nil {
RenderHTML(c, http.StatusOK, "login.html", gin.H{
"title": "ログイン",
"error": "メールアドレスまたはパスワードが正しくありません",
"email": email,
})
return
}
session := sessions.Default(c)
session.Set(middleware.UserIDKey, user.ID)
session.Set(middleware.UserRoleKey, user.Role)
session.Set(middleware.UserNameKey, user.Name)
session.Save()
c.Redirect(http.StatusFound, "/")
}
func (h *AuthHandler) ShowRegister(c *gin.Context) {
RenderHTML(c, http.StatusOK, "register.html", gin.H{
"title": "新規登録",
})
}
func (h *AuthHandler) Register(c *gin.Context) {
email := c.PostForm("email")
password := c.PostForm("password")
passwordConfirm := c.PostForm("password_confirm")
name := c.PostForm("name")
if password != passwordConfirm {
RenderHTML(c, http.StatusOK, "register.html", gin.H{
"title": "新規登録",
"error": "パスワードが一致しません",
"email": email,
"name": name,
})
return
}
if len(password) < 8 {
RenderHTML(c, http.StatusOK, "register.html", gin.H{
"title": "新規登録",
"error": "パスワードは8文字以上で入力してください",
"email": email,
"name": name,
})
return
}
user, err := h.authService.Register(email, password, name)
if err != nil {
errorMsg := "登録に失敗しました"
if err == service.ErrEmailAlreadyExists {
errorMsg = "このメールアドレスは既に使用されています"
}
RenderHTML(c, http.StatusOK, "register.html", gin.H{
"title": "新規登録",
"error": errorMsg,
"email": email,
"name": name,
})
return
}
session := sessions.Default(c)
session.Set(middleware.UserIDKey, user.ID)
session.Set(middleware.UserRoleKey, user.Role)
session.Set(middleware.UserNameKey, user.Name)
session.Save()
c.Redirect(http.StatusFound, "/")
}
func (h *AuthHandler) Logout(c *gin.Context) {
session := sessions.Default(c)
session.Clear()
session.Save()
c.Redirect(http.StatusFound, "/login")
}

33
internal/handler/helper.go Normal file
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package handler
import (
"fmt"
"html/template"
"time"
"github.com/gin-gonic/gin"
)
const csrfTokenKey = "csrf_token"
const csrfTokenFormKey = "_csrf"
func RenderHTML(c *gin.Context, code int, name string, obj gin.H) {
if obj == nil {
obj = gin.H{}
}
if startTime, exists := c.Get("startTime"); exists {
duration := time.Since(startTime.(time.Time))
obj["processing_time"] = fmt.Sprintf("%.2fms", float64(duration.Microseconds())/1000.0)
} else {
obj["processing_time"] = "unknown"
}
if token, exists := c.Get(csrfTokenKey); exists {
obj["csrfToken"] = token.(string)
obj["csrfField"] = template.HTML(`<input type="hidden" name="` + csrfTokenFormKey + `" value="` + token.(string) + `">`)
}
c.HTML(code, name, obj)
}

122
internal/handler/profile_handler.go Normal file
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package handler
import (
"net/http"
"homework-manager/internal/middleware"
"homework-manager/internal/service"
"github.com/gin-gonic/gin"
)
type ProfileHandler struct {
authService *service.AuthService
}
func NewProfileHandler() *ProfileHandler {
return &ProfileHandler{
authService: service.NewAuthService(),
}
}
func (h *ProfileHandler) getUserID(c *gin.Context) uint {
userID, _ := c.Get(middleware.UserIDKey)
return userID.(uint)
}
func (h *ProfileHandler) Show(c *gin.Context) {
userID := h.getUserID(c)
user, _ := h.authService.GetUserByID(userID)
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
RenderHTML(c, http.StatusOK, "profile.html", gin.H{
"title": "プロフィール",
"user": user,
"isAdmin": role == "admin",
"userName": name,
})
}
func (h *ProfileHandler) Update(c *gin.Context) {
userID := h.getUserID(c)
name := c.PostForm("name")
err := h.authService.UpdateProfile(userID, name)
role, _ := c.Get(middleware.UserRoleKey)
user, _ := h.authService.GetUserByID(userID)
if err != nil {
RenderHTML(c, http.StatusOK, "profile.html", gin.H{
"title": "プロフィール",
"user": user,
"error": "プロフィールの更新に失敗しました",
"isAdmin": role == "admin",
"userName": name,
})
return
}
RenderHTML(c, http.StatusOK, "profile.html", gin.H{
"title": "プロフィール",
"user": user,
"success": "プロフィールを更新しました",
"isAdmin": role == "admin",
"userName": user.Name,
})
}
func (h *ProfileHandler) ChangePassword(c *gin.Context) {
userID := h.getUserID(c)
oldPassword := c.PostForm("old_password")
newPassword := c.PostForm("new_password")
confirmPassword := c.PostForm("confirm_password")
role, _ := c.Get(middleware.UserRoleKey)
name, _ := c.Get(middleware.UserNameKey)
user, _ := h.authService.GetUserByID(userID)
if newPassword != confirmPassword {
RenderHTML(c, http.StatusOK, "profile.html", gin.H{
"title": "プロフィール",
"user": user,
"passwordError": "新しいパスワードが一致しません",
"isAdmin": role == "admin",
"userName": name,
})
return
}
if len(newPassword) < 8 {
RenderHTML(c, http.StatusOK, "profile.html", gin.H{
"title": "プロフィール",
"user": user,
"passwordError": "パスワードは8文字以上で入力してください",
"isAdmin": role == "admin",
"userName": name,
})
return
}
err := h.authService.ChangePassword(userID, oldPassword, newPassword)
if err != nil {
RenderHTML(c, http.StatusOK, "profile.html", gin.H{
"title": "プロフィール",
"user": user,
"passwordError": "現在のパスワードが正しくありません",
"isAdmin": role == "admin",
"userName": name,
})
return
}
RenderHTML(c, http.StatusOK, "profile.html", gin.H{
"title": "プロフィール",
"user": user,
"passwordSuccess": "パスワードを変更しました",
"isAdmin": role == "admin",
"userName": name,
})
}

121
internal/middleware/auth.go Normal file
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package middleware
import (
"net/http"
"homework-manager/internal/service"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
)
const UserIDKey = "user_id"
const UserRoleKey = "user_role"
const UserNameKey = "user_name"
func AuthRequired(authService *service.AuthService) gin.HandlerFunc {
return func(c *gin.Context) {
session := sessions.Default(c)
userID := session.Get(UserIDKey)
if userID == nil {
c.Redirect(http.StatusFound, "/login")
c.Abort()
return
}
user, err := authService.GetUserByID(userID.(uint))
if err != nil {
session.Clear()
session.Save()
c.Redirect(http.StatusFound, "/login")
c.Abort()
return
}
c.Set(UserIDKey, user.ID)
c.Set(UserRoleKey, user.Role)
c.Set(UserNameKey, user.Name)
c.Next()
}
}
func AdminRequired() gin.HandlerFunc {
return func(c *gin.Context) {
role, exists := c.Get(UserRoleKey)
if !exists || role != "admin" {
c.HTML(http.StatusForbidden, "error.html", gin.H{
"title": "アクセス拒否",
"message": "この操作には管理者権限が必要です。",
})
c.Abort()
return
}
c.Next()
}
}
func GuestOnly() gin.HandlerFunc {
return func(c *gin.Context) {
session := sessions.Default(c)
userID := session.Get(UserIDKey)
if userID != nil {
c.Redirect(http.StatusFound, "/")
c.Abort()
return
}
c.Next()
}
}
func InjectUserInfo() gin.HandlerFunc {
return func(c *gin.Context) {
session := sessions.Default(c)
userID := session.Get(UserIDKey)
if userID != nil {
c.Set(UserIDKey, userID.(uint))
c.Set(UserRoleKey, session.Get(UserRoleKey))
c.Set(UserNameKey, session.Get(UserNameKey))
}
c.Next()
}
}
type APIKeyValidator interface {
ValidateAPIKey(key string) (uint, error)
}
func APIKeyAuth(validator APIKeyValidator) gin.HandlerFunc {
return func(c *gin.Context) {
authHeader := c.GetHeader("Authorization")
if authHeader == "" {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization header required"})
c.Abort()
return
}
const bearerPrefix = "Bearer "
if len(authHeader) <= len(bearerPrefix) || authHeader[:len(bearerPrefix)] != bearerPrefix {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid authorization format. Use: Bearer <api_key>"})
c.Abort()
return
}
apiKey := authHeader[len(bearerPrefix):]
userID, err := validator.ValidateAPIKey(apiKey)
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid API key"})
c.Abort()
return
}
c.Set(UserIDKey, userID)
c.Next()
}
}

119
internal/middleware/csrf.go Normal file
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package middleware
import (
"crypto/hmac"
"crypto/rand"
"crypto/sha256"
"encoding/base64"
"html/template"
"net/http"
"strings"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
)
const (
csrfTokenKey = "csrf_token"
csrfTokenFormKey = "_csrf"
csrfTokenHeader = "X-CSRF-Token"
)
type CSRFConfig struct {
Secret string
}
func generateCSRFToken(secret string) (string, error) {
randomBytes := make([]byte, 32)
if _, err := rand.Read(randomBytes); err != nil {
return "", err
}
h := hmac.New(sha256.New, []byte(secret))
h.Write(randomBytes)
signature := h.Sum(nil)
token := append(randomBytes, signature...)
return base64.URLEncoding.EncodeToString(token), nil
}
func validateCSRFToken(token, secret string) bool {
if token == "" {
return false
}
decoded, err := base64.URLEncoding.DecodeString(token)
if err != nil {
return false
}
if len(decoded) != 64 {
return false
}
randomBytes := decoded[:32]
providedSignature := decoded[32:]
h := hmac.New(sha256.New, []byte(secret))
h.Write(randomBytes)
expectedSignature := h.Sum(nil)
return hmac.Equal(providedSignature, expectedSignature)
}
func CSRF(config CSRFConfig) gin.HandlerFunc {
return func(c *gin.Context) {
session := sessions.Default(c)
csrfToken, ok := session.Get(csrfTokenKey).(string)
if !ok || csrfToken == "" || !validateCSRFToken(csrfToken, config.Secret) {
newToken, err := generateCSRFToken(config.Secret)
if err != nil {
c.AbortWithStatus(http.StatusInternalServerError)
return
}
csrfToken = newToken
session.Set(csrfTokenKey, csrfToken)
session.Save()
}
c.Set(csrfTokenKey, csrfToken)
method := strings.ToUpper(c.Request.Method)
if method == "GET" || method == "HEAD" || method == "OPTIONS" {
c.Next()
return
}
submittedToken := c.PostForm(csrfTokenFormKey)
if submittedToken == "" {
submittedToken = c.GetHeader(csrfTokenHeader)
}
sessionToken := session.Get(csrfTokenKey)
if sessionToken == nil || submittedToken != sessionToken.(string) {
c.HTML(http.StatusForbidden, "error.html", gin.H{
"title": "CSRFエラー",
"message": "不正なリクエストです。ページを再読み込みしてください。",
})
c.Abort()
return
}
c.Next()
newToken, err := generateCSRFToken(config.Secret)
if err == nil {
session.Set(csrfTokenKey, newToken)
session.Save()
}
}
}
func CSRFField(c *gin.Context) template.HTML {
token, exists := c.Get(csrfTokenKey)
if !exists {
return ""
}
return template.HTML(`<input type="hidden" name="` + csrfTokenFormKey + `" value="` + token.(string) + `">`)
}

94
internal/middleware/ratelimit.go Normal file
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package middleware
import (
"net/http"
"sync"
"time"
"github.com/gin-gonic/gin"
)
type RateLimitConfig struct {
Enabled bool
Requests int
Window int
}
type rateLimitEntry struct {
count int
expiresAt time.Time
}
type rateLimiter struct {
entries map[string]*rateLimitEntry
mu sync.Mutex
config RateLimitConfig
}
func newRateLimiter(config RateLimitConfig) *rateLimiter {
rl := &rateLimiter{
entries: make(map[string]*rateLimitEntry),
config: config,
}
go rl.cleanup()
return rl
}
func (rl *rateLimiter) cleanup() {
ticker := time.NewTicker(time.Minute)
for range ticker.C {
rl.mu.Lock()
now := time.Now()
for key, entry := range rl.entries {
if now.After(entry.expiresAt) {
delete(rl.entries, key)
}
}
rl.mu.Unlock()
}
}
func (rl *rateLimiter) allow(key string) bool {
rl.mu.Lock()
defer rl.mu.Unlock()
now := time.Now()
entry, exists := rl.entries[key]
if !exists || now.After(entry.expiresAt) {
rl.entries[key] = &rateLimitEntry{
count: 1,
expiresAt: now.Add(time.Duration(rl.config.Window) * time.Second),
}
return true
}
entry.count++
return entry.count <= rl.config.Requests
}
func RateLimit(config RateLimitConfig) gin.HandlerFunc {
if !config.Enabled {
return func(c *gin.Context) {
c.Next()
}
}
limiter := newRateLimiter(config)
return func(c *gin.Context) {
clientIP := c.ClientIP()
if !limiter.allow(clientIP) {
c.JSON(http.StatusTooManyRequests, gin.H{
"error": "リクエスト数が制限を超えました。しばらくしてからお試しください。",
})
c.Abort()
return
}
c.Next()
}
}

52
internal/middleware/security.go Normal file
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package middleware
import (
"strings"
"github.com/gin-gonic/gin"
)
type SecurityConfig struct {
HTTPS bool
}
func SecurityHeaders(config SecurityConfig) gin.HandlerFunc {
return func(c *gin.Context) {
if config.HTTPS {
c.Header("Strict-Transport-Security", "max-age=31536000; includeSubDomains")
}
csp := []string{
"default-src 'self'",
"script-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net",
"style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net",
"font-src 'self' https://cdn.jsdelivr.net",
"img-src 'self' data:",
"connect-src 'self'",
"frame-ancestors 'none'",
}
c.Header("Content-Security-Policy", strings.Join(csp, "; "))
c.Header("X-Frame-Options", "DENY")
c.Header("X-Content-Type-Options", "nosniff")
c.Header("Referrer-Policy", "strict-origin-when-cross-origin")
c.Header("X-XSS-Protection", "1; mode=block")
c.Next()
}
}
func ForceHTTPS(config SecurityConfig) gin.HandlerFunc {
return func(c *gin.Context) {
if config.HTTPS && c.Request.TLS == nil && c.Request.Header.Get("X-Forwarded-Proto") != "https" {
host := c.Request.Host
target := "https://" + host + c.Request.URL.Path
if len(c.Request.URL.RawQuery) > 0 {
target += "?" + c.Request.URL.RawQuery
}
c.Redirect(301, target)
c.Abort()
return
}
c.Next()
}
}

14
internal/middleware/timer.go Normal file
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package middleware
import (
"time"
"github.com/gin-gonic/gin"
)
func RequestTimer() gin.HandlerFunc {
return func(c *gin.Context) {
c.Set("startTime", time.Now())
c.Next()
}
}

19
internal/models/api_key.go Normal file
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package models
import (
"time"
"gorm.io/gorm"
)
type APIKey struct {
ID uint `gorm:"primarykey" json:"id"`
UserID uint `gorm:"not null;index" json:"user_id"`
Name string `gorm:"not null" json:"name"`
KeyHash string `gorm:"not null;uniqueIndex" json:"-"`
LastUsed *time.Time `json:"last_used,omitempty"`
CreatedAt time.Time `json:"created_at"`
DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
User *User `gorm:"foreignKey:UserID" json:"user,omitempty"`
}

41
internal/models/assignment.go Normal file
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package models
import (
"time"
"gorm.io/gorm"
)
type Assignment struct {
ID uint `gorm:"primarykey" json:"id"`
UserID uint `gorm:"not null;index" json:"user_id"`
Title string `gorm:"not null" json:"title"`
Description string `json:"description"`
Subject string `json:"subject"`
Priority string `gorm:"not null;default:medium" json:"priority"` // low, medium, high
DueDate time.Time `gorm:"not null" json:"due_date"`
IsCompleted bool `gorm:"default:false" json:"is_completed"`
CompletedAt *time.Time `json:"completed_at,omitempty"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
User *User `gorm:"foreignKey:UserID" json:"user,omitempty"`
}
func (a *Assignment) IsOverdue() bool {
return !a.IsCompleted && time.Now().After(a.DueDate)
}
func (a *Assignment) IsDueToday() bool {
now := time.Now()
return a.DueDate.Year() == now.Year() &&
a.DueDate.Month() == now.Month() &&
a.DueDate.Day() == now.Day()
}
func (a *Assignment) IsDueThisWeek() bool {
now := time.Now()
weekLater := now.AddDate(0, 0, 7)
return a.DueDate.After(now) && a.DueDate.Before(weekLater)
}

28
internal/models/user.go Normal file
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package models
import (
"time"
"gorm.io/gorm"
)
type User struct {
ID uint `gorm:"primarykey" json:"id"`
Email string `gorm:"uniqueIndex;not null" json:"email"`
PasswordHash string `gorm:"not null" json:"-"`
Name string `gorm:"not null" json:"name"`
Role string `gorm:"not null;default:user" json:"role"` // "admin" or "user"
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
Assignments []Assignment `gorm:"foreignKey:UserID" json:"assignments,omitempty"`
}
func (u *User) IsAdmin() bool {
return u.Role == "admin"
}
func (u *User) GetID() uint {
return u.ID
}

188
internal/repository/assignment_repository.go Normal file
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package repository
import (
"time"
"homework-manager/internal/database"
"homework-manager/internal/models"
"gorm.io/gorm"
)
type AssignmentRepository struct {
db *gorm.DB
}
func NewAssignmentRepository() *AssignmentRepository {
return &AssignmentRepository{db: database.GetDB()}
}
func (r *AssignmentRepository) Create(assignment *models.Assignment) error {
return r.db.Create(assignment).Error
}
func (r *AssignmentRepository) FindByID(id uint) (*models.Assignment, error) {
var assignment models.Assignment
err := r.db.First(&assignment, id).Error
if err != nil {
return nil, err
}
return &assignment, nil
}
func (r *AssignmentRepository) FindByUserID(userID uint) ([]models.Assignment, error) {
var assignments []models.Assignment
err := r.db.Where("user_id = ?", userID).Order("due_date ASC").Find(&assignments).Error
return assignments, err
}
func (r *AssignmentRepository) FindPendingByUserID(userID uint, limit, offset int) ([]models.Assignment, error) {
var assignments []models.Assignment
query := r.db.Where("user_id = ? AND is_completed = ?", userID, false).
Order("due_date ASC")
if limit > 0 {
query = query.Limit(limit).Offset(offset)
}
err := query.Find(&assignments).Error
return assignments, err
}
func (r *AssignmentRepository) FindCompletedByUserID(userID uint, limit, offset int) ([]models.Assignment, error) {
var assignments []models.Assignment
query := r.db.Where("user_id = ? AND is_completed = ?", userID, true).
Order("completed_at DESC")
if limit > 0 {
query = query.Limit(limit).Offset(offset)
}
err := query.Find(&assignments).Error
return assignments, err
}
func (r *AssignmentRepository) FindDueTodayByUserID(userID uint) ([]models.Assignment, error) {
now := time.Now()
startOfDay := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
endOfDay := startOfDay.AddDate(0, 0, 1)
var assignments []models.Assignment
err := r.db.Where("user_id = ? AND is_completed = ? AND due_date >= ? AND due_date < ?",
userID, false, startOfDay, endOfDay).
Order("due_date ASC").Find(&assignments).Error
return assignments, err
}
func (r *AssignmentRepository) FindDueThisWeekByUserID(userID uint) ([]models.Assignment, error) {
now := time.Now()
startOfDay := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
weekLater := startOfDay.AddDate(0, 0, 7)
var assignments []models.Assignment
err := r.db.Where("user_id = ? AND is_completed = ? AND due_date >= ? AND due_date < ?",
userID, false, startOfDay, weekLater).
Order("due_date ASC").Find(&assignments).Error
return assignments, err
}
func (r *AssignmentRepository) FindOverdueByUserID(userID uint, limit, offset int) ([]models.Assignment, error) {
now := time.Now()
var assignments []models.Assignment
query := r.db.Where("user_id = ? AND is_completed = ? AND due_date < ?",
userID, false, now).
Order("due_date ASC")
if limit > 0 {
query = query.Limit(limit).Offset(offset)
}
err := query.Find(&assignments).Error
return assignments, err
}
func (r *AssignmentRepository) Update(assignment *models.Assignment) error {
return r.db.Save(assignment).Error
}
func (r *AssignmentRepository) Delete(id uint) error {
return r.db.Delete(&models.Assignment{}, id).Error
}
func (r *AssignmentRepository) CountByUserID(userID uint) (int64, error) {
var count int64
err := r.db.Model(&models.Assignment{}).Where("user_id = ?", userID).Count(&count).Error
return count, err
}
func (r *AssignmentRepository) CountPendingByUserID(userID uint) (int64, error) {
var count int64
err := r.db.Model(&models.Assignment{}).
Where("user_id = ? AND is_completed = ?", userID, false).Count(&count).Error
return count, err
}
func (r *AssignmentRepository) GetSubjectsByUserID(userID uint) ([]string, error) {
var subjects []string
err := r.db.Model(&models.Assignment{}).
Where("user_id = ? AND subject != ''", userID).
Distinct("subject").
Pluck("subject", &subjects).Error
return subjects, err
}
func (r *AssignmentRepository) CountCompletedByUserID(userID uint) (int64, error) {
var count int64
err := r.db.Model(&models.Assignment{}).
Where("user_id = ? AND is_completed = ?", userID, true).Count(&count).Error
return count, err
}
func (r *AssignmentRepository) Search(userID uint, queryStr, priority, filter string, page, pageSize int) ([]models.Assignment, int64, error) {
var assignments []models.Assignment
var totalCount int64
dbQuery := r.db.Model(&models.Assignment{}).Where("user_id = ?", userID)
if queryStr != "" {
dbQuery = dbQuery.Where("title LIKE ? OR description LIKE ?", "%"+queryStr+"%", "%"+queryStr+"%")
}
if priority != "" {
dbQuery = dbQuery.Where("priority = ?", priority)
}
now := time.Now()
switch filter {
case "completed":
dbQuery = dbQuery.Where("is_completed = ?", true)
case "overdue":
dbQuery = dbQuery.Where("is_completed = ? AND due_date < ?", false, now)
default: // pending
dbQuery = dbQuery.Where("is_completed = ?", false)
}
if err := dbQuery.Count(&totalCount).Error; err != nil {
return nil, 0, err
}
if filter == "completed" {
dbQuery = dbQuery.Order("completed_at DESC")
} else {
dbQuery = dbQuery.Order("due_date ASC")
}
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = 10
}
offset := (page - 1) * pageSize
err := dbQuery.Limit(pageSize).Offset(offset).Find(&assignments).Error
return assignments, totalCount, err
}
func (r *AssignmentRepository) CountOverdueByUserID(userID uint) (int64, error) {
var count int64
now := time.Now()
err := r.db.Model(&models.Assignment{}).
Where("user_id = ? AND is_completed = ? AND due_date < ?", userID, false, now).Count(&count).Error
return count, err
}

61
internal/repository/user_repository.go Normal file
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package repository
import (
"homework-manager/internal/database"
"homework-manager/internal/models"
"gorm.io/gorm"
)
type UserRepository struct {
db *gorm.DB
}
func NewUserRepository() *UserRepository {
return &UserRepository{db: database.GetDB()}
}
func (r *UserRepository) Create(user *models.User) error {
return r.db.Create(user).Error
}
func (r *UserRepository) FindByID(id uint) (*models.User, error) {
var user models.User
err := r.db.First(&user, id).Error
if err != nil {
return nil, err
}
return &user, nil
}
func (r *UserRepository) FindByEmail(email string) (*models.User, error) {
var user models.User
err := r.db.Where("email = ?", email).First(&user).Error
if err != nil {
return nil, err
}
return &user, nil
}
func (r *UserRepository) FindAll() ([]models.User, error) {
var users []models.User
err := r.db.Find(&users).Error
return users, err
}
func (r *UserRepository) Update(user *models.User) error {
return r.db.Save(user).Error
}
func (r *UserRepository) Delete(id uint) error {
if err := r.db.Unscoped().Where("user_id = ?", id).Delete(&models.Assignment{}).Error; err != nil {
return err
}
return r.db.Unscoped().Delete(&models.User{}, id).Error
}
func (r *UserRepository) Count() (int64, error) {
var count int64
err := r.db.Model(&models.User{}).Count(&count).Error
return count, err
}

241
internal/router/router.go Normal file
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package router
import (
"html/template"
"net/http"
"os"
"path/filepath"
"regexp"
"strings"
"time"
"homework-manager/internal/config"
"homework-manager/internal/handler"
"homework-manager/internal/middleware"
"homework-manager/internal/service"
"github.com/gin-contrib/sessions"
"github.com/gin-contrib/sessions/cookie"
"github.com/gin-gonic/gin"
)
func getFuncMap() template.FuncMap {
return template.FuncMap{
"formatDate": func(t time.Time) string {
return t.Format("2006/01/02")
},
"formatDateTime": func(t time.Time) string {
return t.Format("2006/01/02 15:04")
},
"formatDateInput": func(t time.Time) string {
return t.Format("2006-01-02T15:04")
},
"isOverdue": func(t time.Time, completed bool) bool {
return !completed && time.Now().After(t)
},
"daysUntil": func(t time.Time) int {
return int(time.Until(t).Hours() / 24)
},
}
}
func loadTemplates() (*template.Template, error) {
tmpl := template.New("").Funcs(getFuncMap())
baseContent, err := os.ReadFile("web/templates/layouts/base.html")
if err != nil {
return nil, err
}
templateDirs := []struct {
pattern string
prefix string
}{
{"web/templates/auth/*.html", ""},
{"web/templates/pages/*.html", ""},
{"web/templates/assignments/*.html", "assignments/"},
{"web/templates/admin/*.html", "admin/"},
}
for _, dir := range templateDirs {
files, err := filepath.Glob(dir.pattern)
if err != nil {
return nil, err
}
for _, file := range files {
name := dir.prefix + filepath.Base(file)
content, err := os.ReadFile(file)
if err != nil {
return nil, err
}
reDefine := regexp.MustCompile(`{{\s*define\s+"([^"]+)"\s*}}`)
reTemplate := regexp.MustCompile(`{{\s*template\s+"([^"]+)"\s*([^}]*)\s*}}`)
uniqueBase := reDefine.ReplaceAllStringFunc(string(baseContent), func(m string) string {
match := reDefine.FindStringSubmatch(m)
blockName := match[1]
if blockName == "head" || blockName == "scripts" || blockName == "content" || blockName == "base" {
return strings.Replace(m, blockName, name+"_"+blockName, 1)
}
return m
})
uniqueBase = reTemplate.ReplaceAllStringFunc(uniqueBase, func(m string) string {
match := reTemplate.FindStringSubmatch(m)
blockName := match[1]
if blockName == "head" || blockName == "scripts" || blockName == "content" || blockName == "base" {
return strings.Replace(m, blockName, name+"_"+blockName, 1)
}
return m
})
uniqueContent := reDefine.ReplaceAllStringFunc(string(content), func(m string) string {
match := reDefine.FindStringSubmatch(m)
blockName := match[1]
if blockName == "head" || blockName == "scripts" || blockName == "content" {
return strings.Replace(m, blockName, name+"_"+blockName, 1)
}
return m
})
uniqueContent = reTemplate.ReplaceAllStringFunc(uniqueContent, func(m string) string {
match := reTemplate.FindStringSubmatch(m)
blockName := match[1]
if blockName == "base" {
return strings.Replace(m, blockName, name+"_"+blockName, 1)
}
return m
})
combined := uniqueBase + "\n" + uniqueContent
_, err = tmpl.New(name).Parse(combined)
if err != nil {
return nil, err
}
}
}
return tmpl, nil
}
func Setup(cfg *config.Config) *gin.Engine {
if !cfg.Debug {
gin.SetMode(gin.ReleaseMode)
}
r := gin.Default()
if len(cfg.TrustedProxies) > 0 {
r.SetTrustedProxies(cfg.TrustedProxies)
}
tmpl, err := loadTemplates()
if err != nil {
panic("Failed to load templates: " + err.Error())
}
r.SetHTMLTemplate(tmpl)
r.Static("/static", "web/static")
store := cookie.NewStore([]byte(cfg.SessionSecret))
store.Options(sessions.Options{
Path: "/",
MaxAge: 86400 * 7, // 7 days
HttpOnly: true,
Secure: cfg.HTTPS,
SameSite: http.SameSiteLaxMode,
})
r.Use(sessions.Sessions("session", store))
r.Use(middleware.RequestTimer())
securityConfig := middleware.SecurityConfig{
HTTPS: cfg.HTTPS,
}
r.Use(middleware.SecurityHeaders(securityConfig))
r.Use(middleware.ForceHTTPS(securityConfig))
r.Use(middleware.RateLimit(middleware.RateLimitConfig{
Enabled: cfg.RateLimitEnabled,
Requests: cfg.RateLimitRequests,
Window: cfg.RateLimitWindow,
}))
csrfMiddleware := middleware.CSRF(middleware.CSRFConfig{
Secret: cfg.CSRFSecret,
})
authService := service.NewAuthService()
apiKeyService := service.NewAPIKeyService()
authHandler := handler.NewAuthHandler()
assignmentHandler := handler.NewAssignmentHandler()
adminHandler := handler.NewAdminHandler()
profileHandler := handler.NewProfileHandler()
apiHandler := handler.NewAPIHandler()
guest := r.Group("/")
guest.Use(middleware.GuestOnly())
guest.Use(csrfMiddleware)
{
guest.GET("/login", authHandler.ShowLogin)
guest.POST("/login", authHandler.Login)
if cfg.AllowRegistration {
guest.GET("/register", authHandler.ShowRegister)
guest.POST("/register", authHandler.Register)
} else {
guest.GET("/register", func(c *gin.Context) {
c.HTML(http.StatusForbidden, "error.html", gin.H{
"title": "登録無効",
"message": "新規登録は現在受け付けておりません。",
})
})
}
}
auth := r.Group("/")
auth.Use(middleware.AuthRequired(authService))
auth.Use(csrfMiddleware)
{
auth.GET("/", assignmentHandler.Dashboard)
auth.POST("/logout", authHandler.Logout)
auth.GET("/assignments", assignmentHandler.Index)
auth.GET("/assignments/new", assignmentHandler.New)
auth.POST("/assignments", assignmentHandler.Create)
auth.GET("/assignments/:id/edit", assignmentHandler.Edit)
auth.POST("/assignments/:id", assignmentHandler.Update)
auth.POST("/assignments/:id/toggle", assignmentHandler.Toggle)
auth.POST("/assignments/:id/delete", assignmentHandler.Delete)
auth.GET("/profile", profileHandler.Show)
auth.POST("/profile", profileHandler.Update)
auth.POST("/profile/password", profileHandler.ChangePassword)
admin := auth.Group("/admin")
admin.Use(middleware.AdminRequired())
{
admin.GET("/users", adminHandler.Index)
admin.POST("/users/:id/delete", adminHandler.DeleteUser)
admin.POST("/users/:id/role", adminHandler.ChangeRole)
admin.GET("/api-keys", adminHandler.APIKeys)
admin.POST("/api-keys", adminHandler.CreateAPIKey)
admin.POST("/api-keys/:id/delete", adminHandler.DeleteAPIKey)
}
}
api := r.Group("/api/v1")
api.Use(middleware.APIKeyAuth(apiKeyService))
{
api.GET("/assignments", apiHandler.ListAssignments)
api.GET("/assignments/pending", apiHandler.ListPendingAssignments)
api.GET("/assignments/completed", apiHandler.ListCompletedAssignments)
api.GET("/assignments/overdue", apiHandler.ListOverdueAssignments)
api.GET("/assignments/due-today", apiHandler.ListDueTodayAssignments)
api.GET("/assignments/due-this-week", apiHandler.ListDueThisWeekAssignments)
api.GET("/assignments/:id", apiHandler.GetAssignment)
api.POST("/assignments", apiHandler.CreateAssignment)
api.PUT("/assignments/:id", apiHandler.UpdateAssignment)
api.DELETE("/assignments/:id", apiHandler.DeleteAssignment)
api.PATCH("/assignments/:id/toggle", apiHandler.ToggleAssignment)
}
return r
}

62
internal/service/admin_service.go Normal file
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package service
import (
"errors"
"homework-manager/internal/models"
"homework-manager/internal/repository"
)
var (
ErrCannotDeleteSelf = errors.New("cannot delete yourself")
ErrCannotChangeSelfRole = errors.New("cannot change your own role")
)
type AdminService struct {
userRepo *repository.UserRepository
}
func NewAdminService() *AdminService {
return &AdminService{
userRepo: repository.NewUserRepository(),
}
}
func (s *AdminService) GetAllUsers() ([]models.User, error) {
return s.userRepo.FindAll()
}
func (s *AdminService) GetUserByID(id uint) (*models.User, error) {
return s.userRepo.FindByID(id)
}
func (s *AdminService) DeleteUser(adminID, targetID uint) error {
if adminID == targetID {
return ErrCannotDeleteSelf
}
_, err := s.userRepo.FindByID(targetID)
if err != nil {
return ErrUserNotFound
}
return s.userRepo.Delete(targetID)
}
func (s *AdminService) ChangeRole(adminID, targetID uint, newRole string) error {
if adminID == targetID {
return ErrCannotChangeSelfRole
}
if newRole != "admin" && newRole != "user" {
return errors.New("invalid role")
}
user, err := s.userRepo.FindByID(targetID)
if err != nil {
return ErrUserNotFound
}
user.Role = newRole
return s.userRepo.Update(user)
}

89
internal/service/api_key_service.go Normal file
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package service
import (
"crypto/rand"
"crypto/sha256"
"encoding/hex"
"errors"
"time"
"homework-manager/internal/database"
"homework-manager/internal/models"
)
type APIKeyService struct{}
func NewAPIKeyService() *APIKeyService {
return &APIKeyService{}
}
func (s *APIKeyService) generateRandomKey() (string, error) {
bytes := make([]byte, 32)
if _, err := rand.Read(bytes); err != nil {
return "", err
}
return "hm_" + hex.EncodeToString(bytes), nil
}
func (s *APIKeyService) hashKey(key string) string {
hash := sha256.Sum256([]byte(key))
return hex.EncodeToString(hash[:])
}
func (s *APIKeyService) CreateAPIKey(userID uint, name string) (string, *models.APIKey, error) {
if name == "" {
return "", nil, errors.New("キー名を入力してください")
}
plainKey, err := s.generateRandomKey()
if err != nil {
return "", nil, errors.New("キーの生成に失敗しました")
}
apiKey := &models.APIKey{
UserID: userID,
Name: name,
KeyHash: s.hashKey(plainKey),
}
if err := database.GetDB().Create(apiKey).Error; err != nil {
return "", nil, errors.New("キーの保存に失敗しました")
}
return plainKey, apiKey, nil
}
func (s *APIKeyService) ValidateAPIKey(plainKey string) (uint, error) {
hash := s.hashKey(plainKey)
var apiKey models.APIKey
if err := database.GetDB().Where("key_hash = ?", hash).First(&apiKey).Error; err != nil {
return 0, errors.New("無効なAPIキーです")
}
now := time.Now()
database.GetDB().Model(&apiKey).Update("last_used", now)
return apiKey.UserID, nil
}
func (s *APIKeyService) GetAllAPIKeys() ([]models.APIKey, error) {
var keys []models.APIKey
err := database.GetDB().Preload("User").Order("created_at desc").Find(&keys).Error
return keys, err
}
func (s *APIKeyService) GetAPIKeysByUser(userID uint) ([]models.APIKey, error) {
var keys []models.APIKey
err := database.GetDB().Where("user_id = ?", userID).Order("created_at desc").Find(&keys).Error
return keys, err
}
func (s *APIKeyService) DeleteAPIKey(id uint) error {
result := database.GetDB().Delete(&models.APIKey{}, id)
if result.RowsAffected == 0 {
return errors.New("APIキーが見つかりません")
}
return result.Error
}

269
internal/service/assignment_service.go Normal file
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package service
import (
"errors"
"time"
"homework-manager/internal/models"
"homework-manager/internal/repository"
)
var (
ErrAssignmentNotFound = errors.New("assignment not found")
ErrUnauthorized = errors.New("unauthorized")
)
type PaginatedResult struct {
Assignments []models.Assignment
TotalCount int64
TotalPages int
CurrentPage int
PageSize int
}
type AssignmentService struct {
assignmentRepo *repository.AssignmentRepository
}
func NewAssignmentService() *AssignmentService {
return &AssignmentService{
assignmentRepo: repository.NewAssignmentRepository(),
}
}
func (s *AssignmentService) Create(userID uint, title, description, subject, priority string, dueDate time.Time) (*models.Assignment, error) {
if priority == "" {
priority = "medium"
}
assignment := &models.Assignment{
UserID: userID,
Title: title,
Description: description,
Subject: subject,
Priority: priority,
DueDate: dueDate,
IsCompleted: false,
}
if err := s.assignmentRepo.Create(assignment); err != nil {
return nil, err
}
return assignment, nil
}
func (s *AssignmentService) GetByID(userID, assignmentID uint) (*models.Assignment, error) {
assignment, err := s.assignmentRepo.FindByID(assignmentID)
if err != nil {
return nil, ErrAssignmentNotFound
}
if assignment.UserID != userID {
return nil, ErrUnauthorized
}
return assignment, nil
}
func (s *AssignmentService) GetAllByUser(userID uint) ([]models.Assignment, error) {
return s.assignmentRepo.FindByUserID(userID)
}
func (s *AssignmentService) GetPendingByUser(userID uint) ([]models.Assignment, error) {
return s.assignmentRepo.FindPendingByUserID(userID, 0, 0)
}
func (s *AssignmentService) GetPendingByUserPaginated(userID uint, page, pageSize int) (*PaginatedResult, error) {
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = 10
}
offset := (page - 1) * pageSize
assignments, err := s.assignmentRepo.FindPendingByUserID(userID, pageSize, offset)
if err != nil {
return nil, err
}
totalCount, _ := s.assignmentRepo.CountPendingByUserID(userID)
totalPages := int((totalCount + int64(pageSize) - 1) / int64(pageSize))
return &PaginatedResult{
Assignments: assignments,
TotalCount: totalCount,
TotalPages: totalPages,
CurrentPage: page,
PageSize: pageSize,
}, nil
}
func (s *AssignmentService) GetCompletedByUser(userID uint) ([]models.Assignment, error) {
return s.assignmentRepo.FindCompletedByUserID(userID, 0, 0)
}
func (s *AssignmentService) GetCompletedByUserPaginated(userID uint, page, pageSize int) (*PaginatedResult, error) {
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = 10
}
offset := (page - 1) * pageSize
assignments, err := s.assignmentRepo.FindCompletedByUserID(userID, pageSize, offset)
if err != nil {
return nil, err
}
totalCount, _ := s.assignmentRepo.CountCompletedByUserID(userID)
totalPages := int((totalCount + int64(pageSize) - 1) / int64(pageSize))
return &PaginatedResult{
Assignments: assignments,
TotalCount: totalCount,
TotalPages: totalPages,
CurrentPage: page,
PageSize: pageSize,
}, nil
}
func (s *AssignmentService) GetDueTodayByUser(userID uint) ([]models.Assignment, error) {
return s.assignmentRepo.FindDueTodayByUserID(userID)
}
func (s *AssignmentService) GetDueThisWeekByUser(userID uint) ([]models.Assignment, error) {
return s.assignmentRepo.FindDueThisWeekByUserID(userID)
}
func (s *AssignmentService) GetOverdueByUser(userID uint) ([]models.Assignment, error) {
return s.assignmentRepo.FindOverdueByUserID(userID, 0, 0)
}
func (s *AssignmentService) GetOverdueByUserPaginated(userID uint, page, pageSize int) (*PaginatedResult, error) {
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = 10
}
offset := (page - 1) * pageSize
assignments, err := s.assignmentRepo.FindOverdueByUserID(userID, pageSize, offset)
if err != nil {
return nil, err
}
totalCount, _ := s.assignmentRepo.CountOverdueByUserID(userID)
totalPages := int((totalCount + int64(pageSize) - 1) / int64(pageSize))
return &PaginatedResult{
Assignments: assignments,
TotalCount: totalCount,
TotalPages: totalPages,
CurrentPage: page,
PageSize: pageSize,
}, nil
}
func (s *AssignmentService) SearchAssignments(userID uint, query, priority, filter string, page, pageSize int) (*PaginatedResult, error) {
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = 10
}
assignments, totalCount, err := s.assignmentRepo.Search(userID, query, priority, filter, page, pageSize)
if err != nil {
return nil, err
}
totalPages := int((totalCount + int64(pageSize) - 1) / int64(pageSize))
return &PaginatedResult{
Assignments: assignments,
TotalCount: totalCount,
TotalPages: totalPages,
CurrentPage: page,
PageSize: pageSize,
}, nil
}
func (s *AssignmentService) Update(userID, assignmentID uint, title, description, subject, priority string, dueDate time.Time) (*models.Assignment, error) {
assignment, err := s.GetByID(userID, assignmentID)
if err != nil {
return nil, err
}
assignment.Title = title
assignment.Description = description
assignment.Subject = subject
assignment.Priority = priority
assignment.DueDate = dueDate
if err := s.assignmentRepo.Update(assignment); err != nil {
return nil, err
}
return assignment, nil
}
func (s *AssignmentService) ToggleComplete(userID, assignmentID uint) (*models.Assignment, error) {
assignment, err := s.GetByID(userID, assignmentID)
if err != nil {
return nil, err
}
assignment.IsCompleted = !assignment.IsCompleted
if assignment.IsCompleted {
now := time.Now()
assignment.CompletedAt = &now
} else {
assignment.CompletedAt = nil
}
if err := s.assignmentRepo.Update(assignment); err != nil {
return nil, err
}
return assignment, nil
}
func (s *AssignmentService) Delete(userID, assignmentID uint) error {
assignment, err := s.GetByID(userID, assignmentID)
if err != nil {
return err
}
return s.assignmentRepo.Delete(assignment.ID)
}
func (s *AssignmentService) GetSubjectsByUser(userID uint) ([]string, error) {
return s.assignmentRepo.GetSubjectsByUserID(userID)
}
type DashboardStats struct {
TotalPending int64
DueToday int
DueThisWeek int
Overdue int
Subjects []string
}
func (s *AssignmentService) GetDashboardStats(userID uint) (*DashboardStats, error) {
pending, _ := s.assignmentRepo.CountPendingByUserID(userID)
dueToday, _ := s.assignmentRepo.FindDueTodayByUserID(userID)
dueThisWeek, _ := s.assignmentRepo.FindDueThisWeekByUserID(userID)
overdueCount, _ := s.assignmentRepo.CountOverdueByUserID(userID)
subjects, _ := s.assignmentRepo.GetSubjectsByUserID(userID)
return &DashboardStats{
TotalPending: pending,
DueToday: len(dueToday),
DueThisWeek: len(dueThisWeek),
Overdue: int(overdueCount),
Subjects: subjects,
}, nil
}

106
internal/service/auth_service.go Normal file
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package service
import (
"errors"
"homework-manager/internal/models"
"homework-manager/internal/repository"
"golang.org/x/crypto/bcrypt"
)
var (
ErrUserNotFound = errors.New("user not found")
ErrEmailAlreadyExists = errors.New("email already exists")
ErrInvalidCredentials = errors.New("invalid credentials")
)
type AuthService struct {
userRepo *repository.UserRepository
}
func NewAuthService() *AuthService {
return &AuthService{
userRepo: repository.NewUserRepository(),
}
}
func (s *AuthService) Register(email, password, name string) (*models.User, error) {
// Check if email already exists
_, err := s.userRepo.FindByEmail(email)
if err == nil {
return nil, ErrEmailAlreadyExists
}
// Hash password
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return nil, err
}
// Determine role (first user is admin)
role := "user"
count, _ := s.userRepo.Count()
if count == 0 {
role = "admin"
}
user := &models.User{
Email: email,
PasswordHash: string(hashedPassword),
Name: name,
Role: role,
}
if err := s.userRepo.Create(user); err != nil {
return nil, err
}
return user, nil
}
func (s *AuthService) Login(email, password string) (*models.User, error) {
user, err := s.userRepo.FindByEmail(email)
if err != nil {
return nil, ErrInvalidCredentials
}
if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(password)); err != nil {
return nil, ErrInvalidCredentials
}
return user, nil
}
func (s *AuthService) GetUserByID(id uint) (*models.User, error) {
return s.userRepo.FindByID(id)
}
func (s *AuthService) ChangePassword(userID uint, oldPassword, newPassword string) error {
user, err := s.userRepo.FindByID(userID)
if err != nil {
return ErrUserNotFound
}
if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(oldPassword)); err != nil {
return ErrInvalidCredentials
}
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
if err != nil {
return err
}
user.PasswordHash = string(hashedPassword)
return s.userRepo.Update(user)
}
func (s *AuthService) UpdateProfile(userID uint, name string) error {
user, err := s.userRepo.FindByID(userID)
if err != nil {
return ErrUserNotFound
}
user.Name = name
return s.userRepo.Update(user)
}

280
web/static/css/style.css Normal file
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/* Custom styles for Homework Manager */
:root {
--primary-color: #4361ee;
--secondary-color: #3f37c9;
--success-color: #4cc9f0;
--warning-color: #f72585;
--danger-color: #e63946;
}
body {
min-height: 100vh;
display: flex;
flex-direction: column;
background-color: #f8f9fa;
margin-top: 0 !important;
padding-top: 0 !important;
}
.countdown {
font-family: 'Courier New', Courier, monospace;
font-weight: bold;
color: var(--danger-color);
}
main {
flex: 1;
}
/* Card enhancements */
.card {
border: none;
border-radius: 0.75rem;
transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
transform: translateY(-2px);
}
.card-header {
background-color: #fff;
border-bottom: 1px solid rgba(0, 0, 0, 0.05);
font-weight: 600;
}
/* Navbar customization */
.navbar {
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.navbar-brand {
font-weight: 700;
}
/* Table improvements */
.table {
background-color: #fff;
border-radius: 0.5rem;
overflow: hidden;
}
.table th {
font-weight: 600;
border-bottom-width: 1px;
}
.table-hover tbody tr:hover {
background-color: rgba(67, 97, 238, 0.05);
}
/* Button styles */
.btn {
border-radius: 0.5rem;
font-weight: 500;
}
.btn-primary {
background-color: var(--primary-color);
border-color: var(--primary-color);
}
.btn-primary:hover {
background-color: var(--secondary-color);
border-color: var(--secondary-color);
}
/* Badge styles */
.badge {
font-weight: 500;
padding: 0.4em 0.8em;
}
/* Form styles */
.form-control:focus {
border-color: var(--primary-color);
box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}
/* Alert enhancements */
.alert {
border: none;
border-radius: 0.5rem;
}
/* Stats cards */
.card.bg-primary,
.card.bg-warning,
.card.bg-info,
.card.bg-danger {
border-radius: 1rem;
}
.card.bg-primary:hover,
.card.bg-warning:hover,
.card.bg-info:hover,
.card.bg-danger:hover {
transform: translateY(-4px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
/* Tabs - Removed conflicted specific styles as they are managed in templates */
.nav-tabs .nav-link {
font-weight: 500;
}
/* Footer */
.footer {
border-top: 1px solid #e9ecef;
}
/* Login/Register cards */
.card.shadow {
border-radius: 1rem;
}
/* Empty states */
.text-muted.display-1 {
color: #dee2e6 !important;
}
/* Responsive adjustments */
@media (max-width: 768px) {
.card-body {
padding: 0.75rem;
}
.table-responsive {
font-size: 0.85rem;
}
}
.table td,
.table th {
padding: 0.35rem 0.5rem !important;
}
.page-header {
margin-bottom: 0.75rem !important;
}
/* Animations for Anxiety/Urgency */
@keyframes pulse-bg {
0%,
100% {
background-color: #fff3cd;
}
50% {
background-color: #ffe69c;
}
}
@keyframes pulse-bg-danger {
0%,
100% {
background-color: #f8d7da;
}
50% {
background-color: #f5c2c7;
}
}
@keyframes blink-text {
0%,
100% {
opacity: 1;
}
50% {
opacity: 0.7;
}
}
.anxiety-warning {
animation: pulse-bg 2s infinite;
}
.anxiety-danger {
animation: pulse-bg-danger 1s infinite;
}
/* Custom Table Styles - Compact */
.custom-table thead th {
border-bottom: 2px solid #dee2e6;
font-size: 0.8rem;
color: #495057;
font-weight: 600;
padding-top: 0.5rem !important;
padding-bottom: 0.5rem !important;
white-space: nowrap;
}
.custom-table tbody tr {
transition: background-color 0.2s;
}
.custom-table tbody td {
border-bottom: 1px solid #dee2e6;
vertical-align: middle;
padding-top: 0.5rem !important;
padding-bottom: 0.5rem !important;
font-size: 0.9rem;
}
.custom-table tbody tr:last-child td {
border-bottom: none;
}
/* Compact form elements */
.form-control-custom,
.form-select-custom,
.btn-custom {
padding: 0.25rem 0.5rem;
font-size: 0.9rem;
border-radius: 0.25rem;
}
/* Custom Tab Styles */
.nav-tabs .nav-link {
font-size: 0.9rem;
padding: 0.5rem 1rem;
color: #6c757d;
/* text-muted */
border: none;
}
.nav-tabs .nav-link:hover {
color: #000;
border: none;
}
.nav-tabs .nav-link.active {
color: #000 !important;
font-weight: 700;
border-bottom: 3px solid #000 !important;
background: transparent;
}
/* Status Icon Size */
.bi-circle,
.bi-check-circle-fill {
font-size: 1rem;
}
/* Urgency styles for countdown */
.countdown-urgent {
color: #dc3545;
font-weight: 700;
animation: blink-text 1s infinite;
}
.countdown-warning {
color: #fd7e14;
font-weight: 700;
}

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// Homework Manager JavaScript
document.addEventListener('DOMContentLoaded', function() {
// Auto-dismiss alerts after 5 seconds
const alerts = document.querySelectorAll('.alert:not(.alert-danger)');
alerts.forEach(function(alert) {
setTimeout(function() {
alert.classList.add('fade');
setTimeout(function() {
alert.remove();
}, 150);
}, 5000);
});
// Confirm dialogs for dangerous actions
const confirmForms = document.querySelectorAll('form[data-confirm]');
confirmForms.forEach(function(form) {
form.addEventListener('submit', function(e) {
if (!confirm(form.dataset.confirm)) {
e.preventDefault();
}
});
});
// Set default datetime to now + 1 day for new assignments
const dueDateInput = document.getElementById('due_date');
if (dueDateInput && !dueDateInput.value) {
const tomorrow = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);
tomorrow.setHours(23, 59, 0, 0);
dueDateInput.value = tomorrow.toISOString().slice(0, 16);
}
});

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{{template "base" .}}
{{define "content"}}
<h1 class="mb-4"><i class="bi bi-key me-2"></i>APIキー管理</h1>
{{if .error}}<div class="alert alert-danger">{{.error}}</div>{{end}}
{{if .newKey}}
<div class="alert alert-success">
<h5 class="alert-heading"><i class="bi bi-check-circle me-2"></i>APIキーが作成されました</h5>
<p class="mb-2">キー名: <strong>{{.newKeyName}}</strong></p>
<p class="mb-0">以下のキーを安全な場所に保存してください。このキーは二度と表示されません。</p>
<hr>
<div class="d-flex align-items-center">
<code class="flex-grow-1 bg-dark text-light p-2 rounded me-2" id="newApiKey">{{.newKey}}</code>
<button class="btn btn-outline-secondary" onclick="copyKey()"><i class="bi bi-clipboard"></i></button>
</div>
</div>
{{end}}
<div class="card mb-4">
<div class="card-header">
<i class="bi bi-plus-circle me-2"></i>新規APIキー作成
</div>
<div class="card-body">
<form action="/admin/api-keys" method="POST" class="row g-3">
{{.csrfField}}
<div class="col-md-8">
<input type="text" class="form-control" name="name" placeholder="キー名（例: 外部連携用）" required>
</div>
<div class="col-md-4">
<button type="submit" class="btn btn-primary w-100"><i class="bi bi-plus me-1"></i>作成</button>
</div>
</form>
</div>
</div>
{{if .apiKeys}}
<div class="table-responsive">
<table class="table table-hover">
<thead class="table-light">
<tr>
<th>ID</th>
<th>キー名</th>
<th>作成者</th>
<th>最終使用</th>
<th>作成日</th>
<th style="width: 100px">操作</th>
</tr>
</thead>
<tbody>
{{range .apiKeys}}
<tr>
<td>{{.ID}}</td>
<td><i class="bi bi-key me-1"></i>{{.Name}}</td>
<td>{{if .User}}{{.User.Name}}{{else}}-{{end}}</td>
<td>{{if .LastUsed}}{{formatDateTime .LastUsed}}{{else}}<span class="text-muted">未使用</span>{{end}}</td>
<td>{{formatDate .CreatedAt}}</td>
<td>
<form action="/admin/api-keys/{{.ID}}/delete" method="POST" class="d-inline"
onsubmit="return confirm('このAPIキーを削除しますか？')">
<input type="hidden" name="_csrf" value="{{$.csrfToken}}">
<button type="submit" class="btn btn-sm btn-outline-danger" title="削除"><i
class="bi bi-trash"></i></button>
</form>
</td>
</tr>
{{end}}
</tbody>
</table>
</div>
{{else}}
<div class="text-center py-5">
<i class="bi bi-key display-1 text-muted"></i>
<h3 class="mt-3">APIキーがありません</h3>
<p class="text-muted">上のフォームから新しいAPIキーを作成してください。</p>
</div>
{{end}}
<div class="card mt-4">
<div class="card-header">
<i class="bi bi-info-circle me-2"></i>API使用方法
</div>
<div class="card-body">
<p class="mb-2">APIにアクセスするには、<code>Authorization</code>ヘッダーにAPIキーを設定してください：</p>
<pre
class="bg-dark text-light p-3 rounded"><code>curl -H "Authorization: Bearer YOUR_API_KEY" http://localhost:8080/api/v1/assignments</code></pre>
<h6 class="mt-3">利用可能なエンドポイント：</h6>
<ul class="mb-0">
<li><code>GET /api/v1/assignments</code> - 課題一覧取得</li>
<li><code>GET /api/v1/assignments/pending</code> - 未完了の課題一覧</li>
<li><code>GET /api/v1/assignments/completed</code> - 完了済みの課題一覧</li>
<li><code>GET /api/v1/assignments/overdue</code> - 期限切れの課題一覧</li>
<li><code>GET /api/v1/assignments/due-today</code> - 今日が期限の課題一覧</li>
<li><code>GET /api/v1/assignments/due-this-week</code> - 今週中が期限の課題一覧</li>
<li><code>GET /api/v1/assignments/:id</code> - 課題詳細取得</li>
<li><code>POST /api/v1/assignments</code> - 課題作成</li>
<li><code>PUT /api/v1/assignments/:id</code> - 課題更新</li>
<li><code>DELETE /api/v1/assignments/:id</code> - 課題削除</li>
<li><code>PATCH /api/v1/assignments/:id/toggle</code> - 完了状態切替</li>
</ul>
</div>
</div>
{{end}}
{{define "scripts"}}
<script>
function copyKey() {
const key = document.getElementById('newApiKey').innerText;
navigator.clipboard.writeText(key).then(() => {
alert('APIキーをコピーしました');
});
}
</script>
{{end}}

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{{template "base" .}}
{{define "content"}}
<h1 class="mb-4"><i class="bi bi-people me-2"></i>ユーザー管理</h1>
{{if .error}}<div class="alert alert-danger">{{.error}}</div>{{end}}
{{if .users}}
<div class="table-responsive">
<table class="table table-hover">
<thead class="table-light">
<tr>
<th>ID</th>
<th>名前</th>
<th>メールアドレス</th>
<th>ロール</th>
<th>登録日</th>
<th style="width: 200px">操作</th>
</tr>
</thead>
<tbody>
{{range .users}}
<tr {{if eq .ID $.currentUserID}}class="table-primary" {{end}}>
<td>{{.ID}}</td>
<td>{{.Name}}{{if eq .ID $.currentUserID}}<span class="badge bg-info ms-2">自分</span>{{end}}</td>
<td>{{.Email}}</td>
<td>{{if eq .Role "admin"}}<span class="badge bg-danger">管理者</span>{{else}}<span
class="badge bg-secondary">ユーザー</span>{{end}}</td>
<td>{{formatDate .CreatedAt}}</td>
<td>
{{if ne .ID $.currentUserID}}
<form action="/admin/users/{{.ID}}/role" method="POST" class="d-inline" {{if eq .Role "admin"
}}onsubmit="return confirm('このユーザーを一般ユーザーに降格しますか？')"
{{else}}onsubmit="return confirm('このユーザーを管理者に昇格しますか？')" {{end}}>
<input type="hidden" name="_csrf" value="{{$.csrfToken}}">
{{if eq .Role "admin"}}
<input type="hidden" name="role" value="user">
<button type="submit" class="btn btn-sm btn-outline-secondary" title="ユーザーに降格"><i
class="bi bi-arrow-down"></i></button>
{{else}}
<input type="hidden" name="role" value="admin">
<button type="submit" class="btn btn-sm btn-outline-warning" title="管理者に昇格"><i
class="bi bi-arrow-up"></i></button>
{{end}}
</form>
<form action="/admin/users/{{.ID}}/delete" method="POST" class="d-inline"
onsubmit="return confirm('このユーザーを削除しますか？')">
<input type="hidden" name="_csrf" value="{{$.csrfToken}}">
<button type="submit" class="btn btn-sm btn-outline-danger" title="削除"><i
class="bi bi-trash"></i></button>
</form>
{{else}}<span class="text-muted">-</span>{{end}}
</td>
</tr>
{{end}}
</tbody>
</table>
</div>
{{else}}
<div class="text-center py-5">
<i class="bi bi-people display-1 text-muted"></i>
<h3 class="mt-3">ユーザーがいません</h3>
</div>
{{end}}
{{end}}

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{{template "base" .}}
{{define "content"}}
<div class="row justify-content-center">
<div class="col-lg-6">
<div class="card shadow">
<div class="card-header">
<h5 class="mb-0"><i class="bi bi-pencil me-2"></i>課題編集</h5>
</div>
<div class="card-body">
{{if .error}}<div class="alert alert-danger">{{.error}}</div>{{end}}
<form method="POST" action="/assignments/{{.assignment.ID}}">
{{.csrfField}}
<div class="mb-3">
<label for="title" class="form-label">タイトル <span class="text-danger">*</span></label>
<input type="text" class="form-control" id="title" name="title" value="{{.assignment.Title}}"
required>
</div>
<div class="mb-3">
<label for="subject" class="form-label">科目</label>
<input type="text" class="form-control" id="subject" name="subject"
value="{{.assignment.Subject}}">
</div>
<div class="mb-3">
<label for="priority" class="form-label">重要度</label>
<select class="form-select" id="priority" name="priority">
<option value="low" {{if eq .assignment.Priority "low" }}selected{{end}}>小</option>
<option value="medium" {{if eq .assignment.Priority "medium" }}selected{{end}}>中</option>
<option value="high" {{if eq .assignment.Priority "high" }}selected{{end}}>大</option>
</select>
</div>
<div class="mb-3">
<label for="due_date" class="form-label">提出期限 <span class="text-danger">*</span></label>
<input type="datetime-local" class="form-control" id="due_date" name="due_date"
value="{{formatDateInput .assignment.DueDate}}" required>
</div>
<div class="mb-3">
<label for="description" class="form-label">説明</label>
<textarea class="form-control" id="description" name="description"
rows="3">{{.assignment.Description}}</textarea>
</div>
<div class="d-flex gap-2">
<button type="submit" class="btn btn-primary"><i class="bi bi-check-lg me-1"></i>更新</button>
<a href="/assignments" class="btn btn-outline-secondary">キャンセル</a>
</div>
</form>
</div>
</div>
</div>
</div>
{{end}}

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{{template "base" .}}
{{define "content"}}
<div class="d-flex justify-content-between align-items-center mb-3">
<div class="d-flex align-items-center">
<h4 class="mb-0 fw-bold"><i class="bi bi-list-task me-2"></i>課題一覧</h4>
</div>
<div class="d-flex gap-2">
<button class="btn btn-sm btn-secondary text-white" onclick="toggleCountdown()" id="toggleCountdownBtn">
<i class="bi bi-clock me-1"></i><span id="countdownBtnText">カウントダウン表示中</span>
</button>
<a href="/assignments/new" class="btn btn-sm btn-primary">
<i class="bi bi-plus-lg me-1"></i>新規登録
</a>
</div>
</div>
<!-- Tabs -->
<ul class="nav nav-tabs border-0 mb-2" id="assignmentTabs">
<li class="nav-item">
<a class="nav-link py-2 rounded-0 border-0 {{if eq .filter " pending"}}fw-bold border-bottom border-dark
border-3{{else}}text-muted{{end}}" href="/assignments?filter=pending&q={{.query}}&priority={{.priority}}"
style="{{if eq .filter " pending"}}color: black !important;{{end}}">未完了</a>
</li>
<li class="nav-item">
<a class="nav-link py-2 rounded-0 border-0 {{if eq .filter " completed"}}fw-bold border-bottom border-dark
border-3{{else}}text-muted{{end}}" href="/assignments?filter=completed&q={{.query}}&priority={{.priority}}"
style="{{if eq .filter " completed"}}color: black !important;{{end}}">完了済み</a>
</li>
<li class="nav-item">
<a class="nav-link py-2 rounded-0 border-0 {{if eq .filter " overdue"}}fw-bold border-bottom border-dark
border-3{{else}}text-muted{{end}}" href="/assignments?filter=overdue&q={{.query}}&priority={{.priority}}"
style="{{if eq .filter " overdue"}}color: black !important;{{end}}">期限切れ</a>
</li>
</ul>
<hr class="mt-0 mb-3 text-muted" style="opacity: 0.1;">
<!-- Filter Section -->
<form action="/assignments" method="GET" class="row g-2 mb-3 align-items-center">
<input type="hidden" name="filter" value="{{.filter}}">
<div class="col-md-5">
<div class="input-group input-group-sm">
<span class="input-group-text bg-white border-end-0 text-muted"><i class="bi bi-search"></i></span>
<input type="text" class="form-control border-start-0 ps-0 bg-white" name="q" placeholder="検索..."
value="{{.query}}">
</div>
</div>
<div class="col-md-4">
<select class="form-select form-select-sm bg-white" name="priority" onchange="this.form.submit()">
<option value="">全ての重要度</option>
<option value="high" {{if eq .priority "high" }}selected{{end}}>高</option>
<option value="medium" {{if eq .priority "medium" }}selected{{end}}>中</option>
<option value="low" {{if eq .priority "low" }}selected{{end}}>低</option>
</select>
</div>
<div class="col-md-3">
<a href="/assignments?filter={{.filter}}" class="btn btn-sm btn-outline-secondary w-100 bg-white">
クリア
</a>
</div>
</form>
<!-- Table -->
<div class="card shadow-sm border-0 rounded-0">
<div class="card-body p-0">
<div class="table-responsive">
<table class="table table-hover align-middle mb-0 custom-table">
<thead class="bg-secondary-subtle">
<tr>
<th style="width: 50px;" class="ps-3 text-center text-dark fw-bold">状態</th>
<th class="text-dark fw-bold">タイトル</th>
<th style="width: 120px;" class="text-dark fw-bold">科目</th>
<th style="width: 80px;" class="text-dark fw-bold">重要度</th>
<th style="width: 140px;" class="text-dark fw-bold">期限</th>
<th style="width: 120px;" class="countdown-col text-dark fw-bold">残り</th>
<th style="width: 80px;" class="text-end pe-3 text-dark fw-bold">操作</th>
</tr>
</thead>
<tbody>
{{range .assignments}}
<tr class="assignment-row border-bottom" data-due-ts="{{.DueDate.Unix}}"
data-completed="{{.IsCompleted}}">
<td class="ps-3 text-center">
{{if .IsCompleted}}
<form action="/assignments/{{.ID}}/toggle" method="POST" class="d-inline">
<input type="hidden" name="_csrf" value="{{$.csrfToken}}">
<button type="submit"
class="btn btn-link p-0 text-success text-decoration-none hover-dark"
title="未完了に戻す">
<i class="bi bi-check-circle-fill"></i>
</button>
</form>
{{else}}
<form action="/assignments/{{.ID}}/toggle" method="POST" class="d-inline">
<input type="hidden" name="_csrf" value="{{$.csrfToken}}">
<button type="submit"
class="btn btn-link p-0 text-secondary text-decoration-none hover-dark"
title="完了にする">
<i class="bi bi-circle"></i>
</button>
</form>
{{end}}
</td>
<td>
<div class="fw-bold text-dark text-truncate" style="max-width: 300px;">{{.Title}}</div>
</td>
<td><span class="badge bg-secondary text-white border-0 fw-bold">{{.Subject}}</span></td>
<td>
{{if eq .Priority "high"}}
<span class="badge bg-danger text-white border-0 fw-bold small">高</span>
{{else if eq .Priority "medium"}}
<span class="badge bg-warning text-dark border-0 fw-bold small">中</span>
{{else}}
<span class="badge bg-dark text-white border-0 fw-bold small">低</span>
{{end}}
</td>
<td>
<div class="small fw-bold text-dark user-select-all">{{.DueDate.Format "2006/01/02 15:04"}}
</div>
</td>
<td class="countdown-col">
{{if not .IsCompleted}}
<span class="countdown small fw-bold font-monospace text-dark">...</span>
{{else}}
<span class="text-secondary small fw-bold">-</span>
{{end}}
</td>
<td class="text-end pe-3">
<div class="btn-group">
<a href="/assignments/{{.ID}}/edit" class="text-primary me-3 text-decoration-none">
<i class="bi bi-pencil-fill"></i>
</a>
<form action="/assignments/{{.ID}}/delete" method="POST" class="d-inline"
onsubmit="return confirm('削除しますか？');">
<input type="hidden" name="_csrf" value="{{$.csrfToken}}">
<button type="submit"
class="btn btn-link p-0 text-danger text-decoration-none border-0 bg-transparent">
<i class="bi bi-trash-fill"></i>
</button>
</form>
</div>
</td>
</tr>
{{else}}
<tr>
<td colspan="7" class="text-center py-4 text-secondary fw-bold small">
課題なし
</td>
</tr>
{{end}}
</tbody>
</table>
</div>
</div>
{{if gt .totalPages 1}}
<div class="card-footer bg-white border-top-0 py-2">
<nav>
<ul class="pagination pagination-sm justify-content-center mb-0">
<li class="page-item {{if not .hasPrev}}disabled{{end}}">
<a class="page-link border-0 text-secondary"
href="/assignments?page={{.prevPage}}&filter={{.filter}}&q={{.query}}&priority={{.priority}}">
<i class="bi bi-chevron-left"></i>
</a>
</li>
<li class="page-item disabled">
<span class="page-link border-0 text-dark fw-bold">{{.currentPage}} / {{.totalPages}}</span>
</li>
<li class="page-item {{if not .hasNext}}disabled{{end}}">
<a class="page-link border-0 text-secondary"
href="/assignments?page={{.nextPage}}&filter={{.filter}}&q={{.query}}&priority={{.priority}}">
<i class="bi bi-chevron-right"></i>
</a>
</li>
</ul>
</nav>
</div>
{{end}}
</div>
<script>
function updateCountdowns() {
const now = new Date();
document.querySelectorAll('.assignment-row').forEach(row => {
if (row.getAttribute('data-completed') === 'true') return;
const dueTs = row.getAttribute('data-due-ts');
if (!dueTs) return;
// Fix: Use timestamp directly to avoid parsing issues
const due = new Date(parseInt(dueTs) * 1000);
if (isNaN(due.getTime())) return;
const diff = due - now;
const countdownEl = row.querySelector('.countdown');
// Reset classes
row.classList.remove('anxiety-danger', 'anxiety-warning', 'bg-danger-subtle');
if (countdownEl) countdownEl.className = 'countdown small fw-bold font-monospace';
if (diff < 0) {
if (countdownEl) {
countdownEl.textContent = "期限切れ";
countdownEl.classList.add('text-danger');
}
row.classList.add('bg-danger-subtle');
return;
}
const days = Math.floor(diff / (1000 * 60 * 60 * 24));
const hours = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60));
const seconds = Math.floor((diff % (1000 * 60)) / 1000);
let text = "";
let remainingHours = (days * 24) + hours;
if (days > 0) {
text += `${days}日 `;
}
text += `${String(hours).padStart(2, '0')}:${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}`;
if (countdownEl) countdownEl.textContent = text;
// Anxiety Logic
if (remainingHours < 24) {
row.classList.add('anxiety-danger');
if (countdownEl) {
countdownEl.classList.add('text-danger', 'countdown-urgent');
countdownEl.innerHTML = '<i class="bi bi-exclamation-triangle-fill me-1"></i>' + text;
}
} else if (days < 7) {
row.classList.add('anxiety-warning');
if (countdownEl) {
countdownEl.classList.add('text-dark');
countdownEl.innerHTML = '<i class="bi bi-exclamation-triangle-fill text-warning me-1"></i>' + text;
}
} else {
if (countdownEl) countdownEl.classList.add('text-secondary');
}
});
}
function toggleCountdown() {
const cols = document.querySelectorAll('.countdown-col');
const btnText = document.getElementById('countdownBtnText');
const isHidden = cols[0] && cols[0].style.display === 'none';
cols.forEach(col => {
col.style.display = isHidden ? '' : 'none';
});
btnText.textContent = isHidden ? 'カウントダウン表示中' : 'カウントダウン非表示中';
localStorage.setItem('countdownHidden', !isHidden);
}
// Init with higher frequency for smooth panic
setInterval(updateCountdowns, 1000);
updateCountdowns();
// Check preference
const isHidden = localStorage.getItem('countdownHidden') === 'true';
if (isHidden) {
document.querySelectorAll('.countdown-col').forEach(col => {
col.style.display = 'none';
});
const btnText = document.getElementById('countdownBtnText');
if (btnText) btnText.textContent = 'カウントダウン非表示中';
}
</script>
{{end}}

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{{template "base" .}}
{{define "content"}}
<div class="row justify-content-center">
<div class="col-lg-6">
<div class="card shadow">
<div class="card-header">
<h5 class="mb-0"><i class="bi bi-plus-circle me-2"></i>課題登録</h5>
</div>
<div class="card-body">
{{if .error}}<div class="alert alert-danger">{{.error}}</div>{{end}}
<form method="POST" action="/assignments">
{{.csrfField}}
<div class="mb-3">
<label for="title" class="form-label">タイトル <span class="text-danger">*</span></label>
<input type="text" class="form-control" id="title" name="title" value="{{.formTitle}}" required
autofocus>
</div>
<div class="mb-3">
<label for="subject" class="form-label">科目</label>
<input type="text" class="form-control" id="subject" name="subject" value="{{.subject}}"
placeholder="例: 数学、英語、情報">
</div>
<div class="mb-3">
<label for="priority" class="form-label">重要度</label>
<select class="form-select" id="priority" name="priority">
<option value="low" {{if eq .priority "low" }}selected{{end}}>小</option>
<option value="medium" {{if not (or (eq .priority "low" ) (eq .priority "high"
))}}selected{{end}}>中</option>
<option value="high" {{if eq .priority "high" }}selected{{end}}>大</option>
</select>
</div>
<div class="mb-3">
<label for="due_date" class="form-label">提出期限 <span class="text-danger">*</span></label>
<input type="datetime-local" class="form-control" id="due_date" name="due_date" required>
</div>
<div class="mb-3">
<label for="description" class="form-label">説明</label>
<textarea class="form-control" id="description" name="description"
rows="3">{{.description}}</textarea>
</div>
<div class="d-flex gap-2">
<button type="submit" class="btn btn-primary"><i class="bi bi-check-lg me-1"></i>登録</button>
<a href="/assignments" class="btn btn-outline-secondary">キャンセル</a>
</div>
</form>
</div>
</div>
</div>
</div>
{{end}}

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{{template "base" .}}
{{define "content"}}
<div class="row justify-content-center">
<div class="col-md-5 col-lg-4">
<div class="card shadow">
<div class="card-body p-4">
<div class="text-center mb-4">
<i class="bi bi-journal-check display-4 text-primary"></i>
<h2 class="mt-2">ログイン</h2>
</div>
{{if .error}}
<div class="alert alert-danger">{{.error}}</div>
{{end}}
<form method="POST" action="/login">
{{.csrfField}}
<div class="mb-3">
<label for="email" class="form-label">メールアドレス</label>
<input type="email" class="form-control" id="email" name="email" value="{{.email}}" required
autofocus>
</div>
<div class="mb-3">
<label for="password" class="form-label">パスワード</label>
<input type="password" class="form-control" id="password" name="password" required>
</div>
<div class="d-grid">
<button type="submit" class="btn btn-primary btn-lg">ログイン</button>
</div>
</form>
<hr class="my-4">
<div class="text-center">
<p class="mb-0">アカウントをお持ちでない方は</p>
<a href="/register" class="btn btn-outline-secondary mt-2">新規登録</a>
</div>
</div>
</div>
</div>
</div>
{{end}}

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{{template "base" .}}
{{define "content"}}
<div class="row justify-content-center">
<div class="col-md-5 col-lg-4">
<div class="card shadow">
<div class="card-body p-4">
<div class="text-center mb-4">
<i class="bi bi-person-plus display-4 text-primary"></i>
<h2 class="mt-2">新規登録</h2>
</div>
{{if .error}}
<div class="alert alert-danger">{{.error}}</div>
{{end}}
<form method="POST" action="/register">
{{.csrfField}}
<div class="mb-3">
<label for="name" class="form-label">名前</label>
<input type="text" class="form-control" id="name" name="name" value="{{.name}}" required
autofocus>
</div>
<div class="mb-3">
<label for="email" class="form-label">メールアドレス</label>
<input type="email" class="form-control" id="email" name="email" value="{{.email}}" required>
</div>
<div class="mb-3">
<label for="password" class="form-label">パスワード</label>
<input type="password" class="form-control" id="password" name="password" required
minlength="6">
<div class="form-text">6文字以上</div>
</div>
<div class="mb-3">
<label for="password_confirm" class="form-label">パスワード（確認）</label>
<input type="password" class="form-control" id="password_confirm" name="password_confirm"
required minlength="6">
</div>
<div class="d-grid">
<button type="submit" class="btn btn-primary btn-lg">登録</button>
</div>
</form>
<hr class="my-4">
<div class="text-center">
<p class="mb-0">既にアカウントをお持ちの方は</p>
<a href="/login" class="btn btn-outline-secondary mt-2">ログイン</a>
</div>
</div>
</div>
</div>
</div>
{{end}}

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{{define "base"}}
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{.title}} - Super Homework Manager</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css" rel="stylesheet">
<link href="/static/css/style.css" rel="stylesheet">
<style>
.navbar-dark .navbar-nav .nav-link,
.navbar-brand {
color: #fff !important;
transition: color 0.15s ease-in-out;
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-brand:hover {
color: rgba(255, 255, 255, 0.75) !important;
}
</style>
{{template "head" .}}
</head>
<body>
{{if .userName}}
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
<div class="container">
<a class="navbar-brand" href="/">
<i class="bi bi-journal-check me-2"></i>Super Homework Manager
</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav me-auto">
<li class="nav-item">
<a class="nav-link" href="/"><i class="bi bi-house-door me-1"></i>ダッシュボード</a>
</li>
<li class="nav-item">
<a class="nav-link" href="/assignments"><i class="bi bi-list-task me-1"></i>課題一覧</a>
</li>
<li class="nav-item">
<a class="nav-link" href="/assignments/new"><i class="bi bi-plus-circle me-1"></i>課題登録</a>
</li>
{{if .isAdmin}}
<li class="nav-item">
<a class="nav-link" href="/admin/users"><i class="bi bi-people me-1"></i>ユーザー管理</a>
</li>
<li class="nav-item">
<a class="nav-link" href="/admin/api-keys"><i class="bi bi-key me-1"></i>APIキー管理</a>
</li>
{{end}}
</ul>
<ul class="navbar-nav">
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">
<i class="bi bi-person-circle me-1"></i>{{.userName}}
</a>
<ul class="dropdown-menu dropdown-menu-end">
<li><a class="dropdown-item" href="/profile"><i class="bi bi-person me-2"></i>プロフィール</a>
</li>
<li>
<hr class="dropdown-divider">
</li>
<li>
<form action="/logout" method="POST" class="d-inline">
<input type="hidden" name="_csrf" value="{{.csrfToken}}">
<button type="submit" class="dropdown-item"><i
class="bi bi-box-arrow-right me-2"></i>ログアウト</button>
</form>
</li>
</ul>
</li>
</ul>
</div>
</div>
</nav>
{{end}}
<main class="container py-2">
{{template "content" .}}
</main>
<footer class="footer mt-auto py-1 bg-light">
<div class="container text-center">
<span class="text-muted small" style="font-size: 0.75rem;">Super Homework Manager</span><br>
<small class="text-muted" style="font-size: 0.65rem;">Licensed under <a
href="https://www.gnu.org/licenses/agpl-3.0.html" target="_blank">AGPLv3</a> | Time:
{{.processing_time}}</small>
</div>
</footer>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
<script src="/static/js/app.js"></script>
{{template "scripts" .}}
</body>
</html>
{{end}}
{{define "head"}}{{end}}
{{define "scripts"}}{{end}}

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{{template "base" .}}
{{define "head"}}
<style>
@keyframes pulse-bg {
0%,
100% {
background-color: #fff3cd;
}
50% {
background-color: #ffe69c;
}
}
@keyframes pulse-bg-danger {
0%,
100% {
background-color: #f8d7da;
}
50% {
background-color: #f5c2c7;
}
}
@keyframes blink-banner {
0%,
100% {
opacity: 1;
}
50% {
opacity: 0.7;
}
}
.anxiety-warning {
animation: pulse-bg 2s infinite;
}
.anxiety-danger {
animation: pulse-bg-danger 1s infinite;
}
.urgent-banner {
z-index: 1030;
animation: blink-banner 1s infinite;
}
.urgent-banner-danger {
background: linear-gradient(90deg, #dc3545, #c82333);
color: white;
}
.urgent-banner-warning {
background: linear-gradient(90deg, #fd7e14, #e06c00);
color: white;
}
.urgent-countdown {
font-size: 1.5rem;
font-weight: bold;
}
</style>
{{end}}
{{define "content"}}
<div id="urgentBanner" class="urgent-banner py-3 text-center d-none">
<div class="container">
<i class="bi bi-exclamation-octagon-fill me-2"></i>
<span id="urgentMessage"></span>
<div class="urgent-countdown mt-1">
<i class="bi bi-stopwatch"></i> あと <span id="urgentCountdown"></span>
</div>
</div>
</div>
<h1 class="mb-4"><i class="bi bi-house-door me-2"></i>ダッシュボード</h1>
<div class="row g-4 mb-4">
<div class="col-6 col-md-3">
<div class="card bg-primary text-white h-100">
<div class="card-body">
<div class="d-flex justify-content-between align-items-center">
<div>
<h6 class="text-white-50">未完了の課題</h6>
<h2 class="mb-0">{{.stats.TotalPending}}</h2>
</div>
<i class="bi bi-list-task display-4 opacity-50"></i>
</div>
</div>
</div>
</div>
<div class="col-6 col-md-3">
<div class="card bg-warning text-dark h-100">
<div class="card-body">
<div class="d-flex justify-content-between align-items-center">
<div>
<h6 class="text-dark-50">今日が期限</h6>
<h2 class="mb-0">{{.stats.DueToday}}</h2>
</div>
<i class="bi bi-calendar-event display-4 opacity-50"></i>
</div>
</div>
</div>
</div>
<div class="col-6 col-md-3">
<div class="card bg-info text-white h-100">
<div class="card-body">
<div class="d-flex justify-content-between align-items-center">
<div>
<h6 class="text-white-50">今週が期限</h6>
<h2 class="mb-0">{{.stats.DueThisWeek}}</h2>
</div>
<i class="bi bi-calendar-week display-4 opacity-50"></i>
</div>
</div>
</div>
</div>
<div class="col-6 col-md-3">
<div class="card bg-danger text-white h-100">
<div class="card-body">
<div class="d-flex justify-content-between align-items-center">
<div>
<h6 class="text-white-50">期限切れ</h6>
<h2 class="mb-0">{{.stats.Overdue}}</h2>
</div>
<i class="bi bi-exclamation-triangle display-4 opacity-50"></i>
</div>
</div>
</div>
</div>
</div>
<div class="row g-4">
{{if .overdue}}
<div class="col-lg-6">
<div class="card border-danger">
<div class="card-header bg-danger text-white"><i class="bi bi-exclamation-triangle me-2"></i>期限切れの課題</div>
<ul class="list-group list-group-flush">
{{range .overdue}}
<li class="list-group-item d-flex justify-content-between align-items-center"
data-priority="{{.Priority}}" data-due="{{.DueDate.UnixMilli}}">
<div>
<strong>{{.Title}}</strong>
{{if eq .Priority "high"}}<span class="badge bg-danger ms-1">重要</span>{{end}}
{{if .Subject}}<span class="badge bg-secondary ms-2">{{.Subject}}</span>{{end}}
<br><small class="text-danger">{{formatDateTime .DueDate}}</small>
</div>
<form action="/assignments/{{.ID}}/toggle" method="POST"><input type="hidden" name="_csrf"
value="{{$.csrfToken}}"><button type="submit" class="btn btn-sm btn-success"
title="完了にする"><i class="bi bi-check-lg"></i></button></form>
</li>
{{end}}
</ul>
</div>
</div>
{{end}}
{{if .dueToday}}
<div class="col-lg-6">
<div class="card border-warning">
<div class="card-header bg-warning text-dark"><i class="bi bi-calendar-event me-2"></i>今日が期限</div>
<ul class="list-group list-group-flush">
{{range .dueToday}}
<li class="list-group-item d-flex justify-content-between align-items-center"
data-priority="{{.Priority}}" data-due="{{.DueDate.UnixMilli}}">
<div>
<strong>{{.Title}}</strong>
{{if eq .Priority "high"}}<span class="badge bg-danger ms-1">重要</span>{{end}}
{{if .Subject}}<span class="badge bg-secondary ms-2">{{.Subject}}</span>{{end}}
<br><small class="text-muted">{{formatDateTime .DueDate}}</small>
</div>
<form action="/assignments/{{.ID}}/toggle" method="POST"><input type="hidden" name="_csrf"
value="{{$.csrfToken}}"><button type="submit" class="btn btn-sm btn-success"
title="完了にする"><i class="bi bi-check-lg"></i></button></form>
</li>
{{end}}
</ul>
</div>
</div>
{{end}}
{{if .upcoming}}
<div class="col-lg-6">
<div class="card border-info">
<div class="card-header bg-info text-white"><i class="bi bi-calendar-week me-2"></i>今週の課題</div>
<ul class="list-group list-group-flush">
{{range .upcoming}}
<li class="list-group-item d-flex justify-content-between align-items-center"
data-priority="{{.Priority}}" data-due="{{.DueDate.UnixMilli}}">
<div>
<strong>{{.Title}}</strong>
{{if eq .Priority "high"}}<span class="badge bg-danger ms-1">重要</span>{{end}}
{{if .Subject}}<span class="badge bg-secondary ms-2">{{.Subject}}</span>{{end}}
<br><small class="text-muted">{{formatDateTime .DueDate}}</small>
</div>
<form action="/assignments/{{.ID}}/toggle" method="POST"><input type="hidden" name="_csrf"
value="{{$.csrfToken}}"><button type="submit" class="btn btn-sm btn-success"
title="完了にする"><i class="bi bi-check-lg"></i></button></form>
</li>
{{end}}
</ul>
</div>
</div>
{{end}}
</div>
{{if and (not .overdue) (not .dueToday) (not .upcoming)}}
<div class="text-center py-5">
<i class="bi bi-emoji-smile display-1 text-success"></i>
<h3 class="mt-3">今週の課題はありません！</h3>
<p class="text-muted">新しい課題を登録しましょう</p>
<a href="/assignments/new" class="btn btn-primary"><i class="bi bi-plus-circle me-1"></i>課題を登録</a>
</div>
{{end}}
{{end}}
{{define "scripts"}}
<script>
(function () {
var banner = document.getElementById('urgentBanner');
var message = document.getElementById('urgentMessage');
var countdown = document.getElementById('urgentCountdown');
var body = document.body;
var items = document.querySelectorAll('[data-priority="high"][data-due]');
var mostUrgent = null;
var mostUrgentDue = Infinity;
items.forEach(function (item) {
var due = parseInt(item.dataset.due);
var now = Date.now();
var diff = due - now;
if (diff > 0 && diff < mostUrgentDue) {
mostUrgentDue = diff;
var titleEl = item.querySelector('strong');
mostUrgent = { due: due, title: titleEl ? titleEl.textContent : '課題' };
}
});
var hasOverdueHigh = false;
var overdueItems = document.querySelectorAll('[data-priority="high"]');
overdueItems.forEach(function (item) {
var due = parseInt(item.dataset.due);
if (due && due < Date.now()) {
hasOverdueHigh = true;
}
});
if (hasOverdueHigh) {
banner.classList.remove('d-none');
banner.classList.add('urgent-banner-danger');
message.innerHTML = '🚨 <strong>期限切れの重要課題があります！</strong>';
countdown.textContent = '今すぐ対応してください！';
body.classList.add('anxiety-danger');
} else if (mostUrgent && mostUrgentDue < 24 * 60 * 60 * 1000) {
banner.classList.remove('d-none');
banner.classList.add('urgent-banner-danger');
message.innerHTML = '🚨 <strong>「' + mostUrgent.title + '」の期限が迫っています！</strong>';
body.classList.add('anxiety-danger');
updateCountdown();
setInterval(updateCountdown, 1000);
} else if (mostUrgent && mostUrgentDue < 3 * 24 * 60 * 60 * 1000) {
banner.classList.remove('d-none');
banner.classList.add('urgent-banner-warning');
message.innerHTML = '⚠️ <strong>「' + mostUrgent.title + '」の期限が近づいています</strong>';
body.classList.add('anxiety-warning');
updateCountdown();
setInterval(updateCountdown, 1000);
}
function updateCountdown() {
if (!mostUrgent) return;
var now = Date.now();
var diff = mostUrgent.due - now;
if (diff <= 0) {
countdown.textContent = '期限切れ！';
return;
}
var days = Math.floor(diff / 86400000);
var hours = Math.floor((diff % 86400000) / 3600000);
var mins = Math.floor((diff % 3600000) / 60000);
var secs = Math.floor((diff % 60000) / 1000);
var text = '';
if (days > 0) text = days + '日 ' + hours + '時間 ' + mins + '分 ' + secs + '秒';
else if (hours > 0) text = hours + '時間 ' + mins + '分 ' + secs + '秒';
else text = mins + '分 ' + secs + '秒';
countdown.textContent = text;
}
})();
</script>
{{end}}

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{{template "base" .}}
{{define "content"}}
<div class="text-center py-5">
<i class="bi bi-exclamation-triangle display-1 text-danger"></i>
<h1 class="mt-4">{{.title}}</h1>
<p class="lead text-muted">{{.message}}</p>
<a href="/" class="btn btn-primary mt-3"><i class="bi bi-house-door me-1"></i>ダッシュボードに戻る</a>
</div>
{{end}}

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{{template "base" .}}
{{define "content"}}
<div class="row justify-content-center">
<div class="col-lg-8">
<h1 class="mb-4"><i class="bi bi-person me-2"></i>プロフィール</h1>
<div class="row g-4">
<div class="col-md-6">
<div class="card">
<div class="card-header">
<h5 class="mb-0">アカウント情報</h5>
</div>
<div class="card-body">
{{if .error}}<div class="alert alert-danger">{{.error}}</div>{{end}}
{{if .success}}<div class="alert alert-success">{{.success}}</div>{{end}}
<form method="POST" action="/profile">
{{.csrfField}}
<div class="mb-3">
<label for="email" class="form-label">メールアドレス</label>
<input type="email" class="form-control" id="email" value="{{.user.Email}}" disabled>
</div>
<div class="mb-3">
<label for="name" class="form-label">名前</label>
<input type="text" class="form-control" id="name" name="name" value="{{.user.Name}}"
required>
</div>
<div class="mb-3">
<label class="form-label">ロール</label>
<input type="text" class="form-control"
value="{{if eq .user.Role `admin`}}管理者{{else}}ユーザー{{end}}" disabled>
</div>
<button type="submit" class="btn btn-primary"><i class="bi bi-check-lg me-1"></i>更新</button>
</form>
</div>
</div>
</div>
<div class="col-md-6">
<div class="card">
<div class="card-header">
<h5 class="mb-0">パスワード変更</h5>
</div>
<div class="card-body">
{{if .passwordError}}<div class="alert alert-danger">{{.passwordError}}</div>{{end}}
{{if .passwordSuccess}}<div class="alert alert-success">{{.passwordSuccess}}</div>{{end}}
<form method="POST" action="/profile/password">
{{.csrfField}}
<div class="mb-3">
<label for="old_password" class="form-label">現在のパスワード</label>
<input type="password" class="form-control" id="old_password" name="old_password"
required>
</div>
<div class="mb-3">
<label for="new_password" class="form-label">新しいパスワード</label>
<input type="password" class="form-control" id="new_password" name="new_password"
required minlength="6">
<div class="form-text">6文字以上</div>
</div>
<div class="mb-3">
<label for="confirm_password" class="form-label">新しいパスワード（確認）</label>
<input type="password" class="form-control" id="confirm_password"
name="confirm_password" required>
</div>
<button type="submit" class="btn btn-warning"><i class="bi bi-key me-1"></i>パスワード変更</button>
</form>
</div>
</div>
</div>
</div>
</div>
</div>
{{end}}