[pricelist][fix] autodeletion of relationship. drinks can be modified

flaschengeist/plugins/pricelist/models.py

@@ -99,7 +99,7 @@ class Ingredient(db.Model, ModelSerializeMixin):
     __tablename__ = "drink_ingredient_association"
     id: int = db.Column("id", Serial, primary_key=True)
     volume_id = db.Column(Serial, db.ForeignKey("drink_price_volume.id"))
-    drink_ingredient: Optional[DrinkIngredient] = db.relationship(DrinkIngredient)
+    drink_ingredient: Optional[DrinkIngredient] = db.relationship(DrinkIngredient, cascade="all,delete")
     extra_ingredient: Optional[ExtraIngredient] = db.relationship(ExtraIngredient)
 
     _drink_ingredient_id = db.Column(Serial, db.ForeignKey("drink_ingredient.id"))
@@ -132,10 +132,10 @@ class DrinkPriceVolume(db.Model, ModelSerializeMixin):
     _prices: list[DrinkPrice] = db.relationship(
         DrinkPrice, back_populates="_volume", cascade="all,delete,delete-orphan"
     )
-    ingredients: list[Ingredient] = db.relationship("Ingredient", foreign_keys=Ingredient.volume_id)
+    ingredients: list[Ingredient] = db.relationship("Ingredient", foreign_keys=Ingredient.volume_id, cascade="all,delete,delete-orphan")
 
     def __repr__(self):
-        return f"DrinkPriceVolume({self.id},{self.drink_id},{self.prices})"
+        return f"DrinkPriceVolume({self.id},{self.drink_id},{self.volume},{self.prices})"
 
 
 class Drink(db.Model, ModelSerializeMixin):

flaschengeist/plugins/pricelist/pricelist_controller.py

@@ -1,9 +1,7 @@
 from werkzeug.exceptions import BadRequest, NotFound
 from sqlalchemy.exc import IntegrityError
-from uuid import uuid4
 
 from flaschengeist import logger
-from flaschengeist.config import config
 from flaschengeist.database import db
 from flaschengeist.utils.decorators import extract_session
 
@@ -357,16 +355,9 @@ def set_volume(data):
         prices = values.pop("prices")
     if "ingredients" in values:
         ingredients = values.pop("ingredients")
-    vol_id = values.pop("id", None)
-    if vol_id < 0:
+    values.pop("id", None)
     volume = DrinkPriceVolume(**values)
     db.session.add(volume)
-    else:
-        volume = get_volume(vol_id)
-        if not volume:
-            raise NotFound
-        for key, value in values.items():
-            setattr(volume, key, value if value != "" else None)
 
     if prices and session.user_.has_permission(EDIT_PRICE):
         set_prices(prices, volume)
@@ -416,16 +407,9 @@ def set_price(data):
     allowed_keys.append("description")
     logger.debug(f"allowed_key {allowed_keys}")
     values = {key: value for key, value in data.items() if key in allowed_keys}
-    price_id = values.pop("id", -1)
-    if price_id < 0:
+    values.pop("id", -1)
     price = DrinkPrice(**values)
     db.session.add(price)
-    else:
-        price = get_price(price_id)
-        if not price:
-            raise NotFound
-        for key, value in values.items():
-            setattr(price, key, value)
 
     return price
 
@@ -443,16 +427,9 @@ def set_drink_ingredient(data):
         values.pop("cost_per_volume")
     if "name" in values:
         values.pop("name")
-    ingredient_id = values.pop("id", -1)
-    if ingredient_id < 0:
+    values.pop("id", -1)
     drink_ingredient = DrinkIngredient(**values)
     db.session.add(drink_ingredient)
-    else:
-        drink_ingredient = DrinkIngredient.query.get(ingredient_id)
-        if not drink_ingredient:
-            raise NotFound
-        for key, value in values.items():
-            setattr(drink_ingredient, key, value if value != "" else None)
     return drink_ingredient
 
 
@@ -467,14 +444,9 @@ def set_ingredient(data):
         drink_ingredient_value = data.pop("drink_ingredient")
     if "extra_ingredient" in data:
         extra_ingredient_value = data.pop("extra_ingredient")
-    ingredient_id = data.pop("id", -1)
-    if ingredient_id < 0:
+    data.pop("id", -1)
     ingredient = Ingredient(**data)
     db.session.add(ingredient)
-    else:
-        ingredient = get_ingredient(ingredient_id)
-        if not ingredient:
-            raise NotFound
     if drink_ingredient_value:
         ingredient.drink_ingredient = set_drink_ingredient(drink_ingredient_value)
     if extra_ingredient_value: