課題作成時にもTelegram/LINEに通知する機能を追加

internal/handler/assignment_handler.go

@@ -15,11 +15,13 @@ import (
 
 type AssignmentHandler struct {
 	assignmentService   *service.AssignmentService
+	notificationService *service.NotificationService
 }
 
-func NewAssignmentHandler() *AssignmentHandler {
+func NewAssignmentHandler(notificationService *service.NotificationService) *AssignmentHandler {
 	return &AssignmentHandler{
 		assignmentService:   service.NewAssignmentService(),
+		notificationService: notificationService,
 	}
 }
 
@@ -229,7 +231,7 @@ func (h *AssignmentHandler) Create(c *gin.Context) {
 			return
 		}
 	} else {
-		_, err = h.assignmentService.Create(userID, title, description, subject, priority, dueDate, reminderEnabled, reminderAt, urgentReminderEnabled)
+		assignment, err := h.assignmentService.Create(userID, title, description, subject, priority, dueDate, reminderEnabled, reminderAt, urgentReminderEnabled)
 		if err != nil {
 			role, _ := c.Get(middleware.UserRoleKey)
 			name, _ := c.Get(middleware.UserNameKey)
@@ -245,6 +247,10 @@ func (h *AssignmentHandler) Create(c *gin.Context) {
 			})
 			return
 		}
+
+		if h.notificationService != nil {
+			go h.notificationService.SendAssignmentCreatedNotification(userID, assignment)
+		}
 	}
 
 	c.Redirect(http.StatusFound, "/assignments")

internal/handler/profile_handler.go

@@ -145,6 +145,7 @@ func (h *ProfileHandler) UpdateNotificationSettings(c *gin.Context) {
 		TelegramChatID:  c.PostForm("telegram_chat_id"),
 		LineEnabled:     c.PostForm("line_enabled") == "on",
 		LineNotifyToken: c.PostForm("line_token"),
+		NotifyOnCreate:  c.PostForm("notify_on_create") == "on",
 	}
 
 	err := h.notificationService.UpdateUserSettings(userID, settings)
@@ -172,4 +173,3 @@ func (h *ProfileHandler) UpdateNotificationSettings(c *gin.Context) {
 		"notifySettings": notifySettings,
 	})
 }
-

internal/models/notification_settings.go

@@ -13,6 +13,7 @@ type UserNotificationSettings struct {
 	TelegramChatID  string         `json:"telegram_chat_id"`
 	LineEnabled     bool           `gorm:"default:false" json:"line_enabled"`
 	LineNotifyToken string         `json:"-"`
+	NotifyOnCreate  bool           `gorm:"default:true" json:"notify_on_create"`
 	CreatedAt       time.Time      `json:"created_at"`
 	UpdatedAt       time.Time      `json:"updated_at"`
 	DeletedAt       gorm.DeletedAt `gorm:"index" json:"-"`

internal/router/router.go

@@ -183,7 +183,7 @@ func Setup(cfg *config.Config) *gin.Engine {
 	notificationService.StartReminderScheduler()
 
 	authHandler := handler.NewAuthHandler()
-	assignmentHandler := handler.NewAssignmentHandler()
+	assignmentHandler := handler.NewAssignmentHandler(notificationService)
 	adminHandler := handler.NewAdminHandler()
 	profileHandler := handler.NewProfileHandler(notificationService)
 	apiHandler := handler.NewAPIHandler()

internal/service/notification_service.go

@@ -24,7 +24,6 @@ func NewNotificationService(telegramBotToken string) *NotificationService {
 	}
 }
 
-
 func (s *NotificationService) GetUserSettings(userID uint) (*models.UserNotificationSettings, error) {
 	var settings models.UserNotificationSettings
 	result := database.GetDB().Where("user_id = ?", userID).First(&settings)
@@ -153,6 +152,63 @@ func (s *NotificationService) SendAssignmentReminder(userID uint, assignment *mo
 	return nil
 }
 
+func (s *NotificationService) SendAssignmentCreatedNotification(userID uint, assignment *models.Assignment) error {
+	settings, err := s.GetUserSettings(userID)
+	if err != nil {
+		return err
+	}
+
+	if !settings.NotifyOnCreate {
+		return nil
+	}
+
+	if !settings.TelegramEnabled && !settings.LineEnabled {
+		return nil
+	}
+
+	message := fmt.Sprintf(
+		"新しい課題が追加されました\n\n【%s】\n科目: %s\n優先度: %s\n期限: %s\n\n%s",
+		assignment.Title,
+		assignment.Subject,
+		getPriorityLabel(assignment.Priority),
+		assignment.DueDate.Format("2006/01/02 15:04"),
+		assignment.Description,
+	)
+
+	var errors []string
+
+	if settings.TelegramEnabled && settings.TelegramChatID != "" {
+		if err := s.SendTelegramNotification(settings.TelegramChatID, message); err != nil {
+			errors = append(errors, fmt.Sprintf("Telegram: %v", err))
+		}
+	}
+
+	if settings.LineEnabled && settings.LineNotifyToken != "" {
+		if err := s.SendLineNotification(settings.LineNotifyToken, message); err != nil {
+			errors = append(errors, fmt.Sprintf("LINE: %v", err))
+		}
+	}
+
+	if len(errors) > 0 {
+		return fmt.Errorf("notification errors: %s", strings.Join(errors, "; "))
+	}
+
+	return nil
+}
+
+func getPriorityLabel(priority string) string {
+	switch priority {
+	case "high":
+		return "大"
+	case "medium":
+		return "中"
+	case "low":
+		return "小"
+	default:
+		return priority
+	}
+}
+
 func (s *NotificationService) SendUrgentReminder(userID uint, assignment *models.Assignment) error {
 	settings, err := s.GetUserSettings(userID)
 	if err != nil {
@@ -301,4 +357,3 @@ func (s *NotificationService) StartReminderScheduler() {
 	}()
 	log.Println("Reminder scheduler started (one-time + urgent reminders)")
 }
-

web/templates/pages/profile.html

@@ -112,6 +112,14 @@
                             </div>
                         </div>
                     </div>
+                    <hr class="my-3">
+                    <div class="form-check form-switch mb-3">
+                        <input class="form-check-input" type="checkbox" id="notify_on_create" name="notify_on_create"
+                            {{if .notifySettings.NotifyOnCreate}}checked{{end}}>
+                        <label class="form-check-label" for="notify_on_create">
+                            <i class="bi bi-plus-circle me-1"></i>課題追加時に通知する
+                        </label>
+                    </div>
                     <button type="submit" class="btn btn-primary"><i class="bi bi-check-lg me-1"></i>通知設定を保存</button>
                 </form>
             </div>