[preset] fix

fooder/controller/meal.py

@@ -47,6 +47,19 @@ class SaveMeal(AuthorizedController):
                 raise HTTPException(status_code=400, detail=e.args[0])
 
 
+class DeleteMeal(AuthorizedController):
+    async def call(self, meal_id: id) -> None:
+        async with self.async_session.begin() as session:
+            meal = await DBMeal.get_by_id(session, self.user.id, meal_id)
+            if meal is None:
+                raise HTTPException(status_code=404, detail="meal not found")
+
+            try:
+                await meal.delete(session)
+            except AssertionError as e:
+                raise HTTPException(status_code=400, detail=e.args[0])
+
+
 class CreateMealFromPreset(AuthorizedController):
     async def call(self, content: CreateMealFromPresetPayload) -> Meal:
         async with self.async_session.begin() as session:

fooder/domain/meal.py

@@ -142,3 +142,10 @@ class Meal(Base, CommonMixin):
             .options(joinedload(cls.entries))
         )
         return await session.scalar(query.order_by(cls.id))
+
+    async def delete(self, session: AsyncSession) -> None:
+        """delete."""
+        for entry in self.entries:
+            await session.delete(entry)
+        await session.delete(self)
+        await session.flush()

fooder/test/test_diary.py

@@ -25,6 +25,22 @@ def test_diary_add_meal(client, meal_payload_factory):
     assert response.status_code == 200, response.json()
 
 
+@pytest.mark.dependency(depends=["test_diary_add_meal"])
+def test_diary_delete_meal(client):
+    today = datetime.date.today().isoformat()
+    response = client.get("diary", params={"date": today})
+
+    meals_amount = len(response.json()["meals"])
+    meal_id = response.json()["meals"][0]["id"]
+
+    response = client.delete(f"meal/{meal_id}")
+    assert response.status_code == 200, response.json()
+
+    response = client.get("diary", params={"date": today})
+    assert response.status_code == 200, response.json()
+    assert len(response.json()["meals"]) == meals_amount - 1
+
+
 @pytest.mark.dependency(depends=["test_get_diary"])
 def test_diary_add_entry(client, product_payload_factory, entry_payload_factory):
     today = datetime.date.today().isoformat()

fooder/view/meal.py

@@ -6,7 +6,7 @@ from ..model.meal import (
     SaveMealPayload,
     CreateMealFromPresetPayload,
 )
-from ..controller.meal import CreateMeal, SaveMeal, CreateMealFromPreset
+from ..controller.meal import CreateMeal, SaveMeal, CreateMealFromPreset, DeleteMeal
 
 
 router = APIRouter(tags=["meal"])
@@ -31,6 +31,15 @@ async def save_meal(
     return await contoller.call(meal_id, data)
 
 
+@router.delete("/{meal_id}")
+async def delete_meal(
+    request: Request,
+    meal_id: int,
+    contoller: DeleteMeal = Depends(DeleteMeal),
+):
+    return await contoller.call(meal_id)
+
+
 @router.post("/from_preset", response_model=Meal)
 async def create_meal_from_preset(
     request: Request,