diff --git a/.gitignore b/.gitignore
index 4d186f6..688e039 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 develop.md
-.env
\ No newline at end of file
+.env
+/tmp
\ No newline at end of file
diff --git a/app/models/workout.py b/app/models/workout.py
index 8768e87..887daae 100644
--- a/app/models/workout.py
+++ b/app/models/workout.py
@@ -1,3 +1,6 @@
+from . import db
+from datetime import datetime
+
 class User(db.Model):
     __tablename__ = 'users'
 
diff --git a/app/services/__init__.py b/app/services/__init__.py
index e69de29..72bc00e 100644
--- a/app/services/__init__.py
+++ b/app/services/__init__.py
@@ -0,0 +1,2 @@
+from app.repositories.workout_repository import WorkoutRepository
+from app.models.workout import Workout
diff --git a/app/services/workout_service.py b/app/services/workout_service.py
index e69de29..226e50d 100644
--- a/app/services/workout_service.py
+++ b/app/services/workout_service.py
@@ -0,0 +1,15 @@
+from app.repositories.workout_repository import WorkoutRepository
+from app.models.workout import Workout
+
+class WorkoutService:
+    def __init__(self):
+        self.workout_repository = WorkoutRepository()
+
+    def get_all_workouts(self):
+        return self.workout_repository.get_all()
+
+    def get_workout_by_id(self, workout_id):
+        workout = self.workout_repository.get_by_id(workout_id)
+        if not workout:
+            return None
+        return workout
\ No newline at end of file