fix: Can't Delete All Notes

mealie/db/models/_model_base.py

@@ -20,5 +20,11 @@ class BaseMixins:
     `self.update` method which directly passing arguments to the `__init__`
     """
 
-    def update(self, *args, **kwarg):
-        self.__init__(*args, **kwarg)
+    def update(self, *args, **kwargs):
+        self.__init__(*args, **kwargs)
+
+        # sqlalchemy doesn't like this method to remove all instances of a 1:many relationship,
+        # so we explicitly check for that here
+        for k, v in kwargs.items():
+            if hasattr(self, k) and v == []:
+                setattr(self, k, v)

tests/integration_tests/user_recipe_tests/test_recipe_crud.py

@@ -18,6 +18,7 @@
 
 from mealie.repos.repository_factory import AllRepositories
 from mealie.schema.recipe.recipe import RecipeCategory, RecipeSummary, RecipeTag
+from mealie.schema.recipe.recipe_notes import RecipeNote
 from mealie.services.recipe.recipe_data_service import RecipeDataService
 from mealie.services.scraper.recipe_scraper import DEFAULT_SCRAPER_STRATEGIES
 from tests import data, utils
@@ -610,6 +611,42 @@ def test_rename(api_client: TestClient, recipe_data: RecipeSiteTestCase, unique_
     recipe_data.expected_slug = new_slug
 
 
+def test_remove_notes(api_client: TestClient, unique_user: TestUser):
+    # create recipe
+    recipe_create_url = api_routes.recipes
+    recipe_create_data = {"name": random_string()}
+    response = api_client.post(recipe_create_url, headers=unique_user.token, json=recipe_create_data)
+    assert response.status_code == 201
+    recipe_slug: str = response.json()
+
+    # get recipe and add a note
+    recipe_url = api_routes.recipes_slug(recipe_slug)
+    response = api_client.get(recipe_url, headers=unique_user.token)
+    assert response.status_code == 200
+
+    recipe = json.loads(response.text)
+    recipe["notes"] = [RecipeNote(title=random_string(), text=random_string()).dict()]
+    response = api_client.put(recipe_url, json=recipe, headers=unique_user.token)
+    assert response.status_code == 200
+
+    # get recipe and remove the note
+    response = api_client.get(recipe_url, headers=unique_user.token)
+    assert response.status_code == 200
+
+    recipe = json.loads(response.text)
+    assert len(recipe.get("notes", [])) == 1
+    recipe["notes"] = []
+    response = api_client.put(recipe_url, json=recipe, headers=unique_user.token)
+    assert response.status_code == 200
+
+    # verify the note is removed
+    response = api_client.get(recipe_url, headers=unique_user.token)
+    assert response.status_code == 200
+
+    recipe = json.loads(response.text)
+    assert len(recipe.get("notes", [])) == 0
+
+
 @pytest.mark.parametrize("recipe_data", recipe_test_data)
 def test_delete(api_client: TestClient, recipe_data: RecipeSiteTestCase, unique_user: TestUser):
     response = api_client.delete(api_routes.recipes_slug(recipe_data.expected_slug), headers=unique_user.token)