[pricelist] serverside pagination and filtering for pricelist

flaschengeist/plugins/pricelist/__init__.py

@@ -242,11 +242,51 @@ def get_drinks(identifier=None):
             ingredient=ingredient,
             receipt=receipt,
         )
+    mop = drinks.copy()
     logger.debug(f"GET drink {drinks}, {count}")
     # return jsonify({"drinks": drinks, "count": count})
     return jsonify({"drinks": drinks, "count": count})
 
 
+@PriceListPlugin.blueprint.route("/list", methods=["GET"])
+def get_pricelist():
+    """Get Priclist
+    Route: ``/pricelist/list`` | Method: ``GET``
+
+    Returns:
+        JSON encoded list of DrinkPrices or HTTP-KeyError
+    """
+    public = True
+    try:
+        extract_session()
+        public = False
+    except Unauthorized:
+        public = True
+
+    limit = request.args.get("limit")
+    offset = request.args.get("offset")
+    search_name = request.args.get("search_name")
+    search_key = request.args.get("search_key")
+    ingredient = request.args.get("ingredient", type=bool)
+    receipt = request.args.get("receipt", type=bool)
+    try:
+        if limit is not None:
+            limit = int(limit)
+        if offset is not None:
+            offset = int(offset)
+        if ingredient is not None:
+            ingredient = bool(ingredient)
+        if receipt is not None:
+            receipt = bool(receipt)
+    except ValueError:
+        raise BadRequest
+    pricelist, count = pricelist_controller.get_pricelist(
+        public=public, limit=limit, offset=offset, search_name=search_name, search_key=search_key
+    )
+    logger.debug(f"GET pricelist {pricelist}, {count}")
+    return jsonify({"pricelist": pricelist, "count": count})
+
+
 @PriceListPlugin.blueprint.route("/drinks/search/<string:name>", methods=["GET"])
 def search_drinks(name):
     """Search Drink

flaschengeist/plugins/pricelist/models.py

@@ -48,7 +48,8 @@ class DrinkPrice(db.Model, ModelSerializeMixin):
     id: int = db.Column("id", db.Integer, primary_key=True)
     price: float = db.Column(db.Numeric(precision=5, scale=2, asdecimal=False))
     volume_id_ = db.Column("volume_id", db.Integer, db.ForeignKey("drink_price_volume.id"))
-    volume = db.relationship("DrinkPriceVolume", back_populates="prices")
+    volume: "DrinkPriceVolume" = None
+    _volume: "DrinkPriceVolume" = db.relationship("DrinkPriceVolume", back_populates="_prices", join_depth=1)
     public: bool = db.Column(db.Boolean, default=True)
     description: Optional[str] = db.Column(db.String(30))
 
@@ -121,11 +122,15 @@ class DrinkPriceVolume(db.Model, ModelSerializeMixin):
     __tablename__ = "drink_price_volume"
     id: int = db.Column("id", db.Integer, primary_key=True)
     drink_id = db.Column(db.Integer, db.ForeignKey("drink.id"))
+    drink: "Drink" = None
+    _drink: "Drink" = db.relationship("Drink", back_populates="_volumes")
     volume: float = db.Column(db.Numeric(precision=5, scale=2, asdecimal=False))
     min_prices: list[MinPrices] = []
     # ingredients: list[Ingredient] = []
-
+    prices: list[DrinkPrice] = []
-    prices: list[DrinkPrice] = db.relationship(DrinkPrice, back_populates="volume", cascade="all,delete,delete-orphan")
+    _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)
 
     def __repr__(self):
@@ -153,7 +158,10 @@ class Drink(db.Model, ModelSerializeMixin):
 
     tags: Optional[list[Tag]] = db.relationship("Tag", secondary=drink_tag_association, cascade="save-update, merge")
     type: Optional[DrinkType] = db.relationship("DrinkType", foreign_keys=[_type_id])
-    volumes: list[DrinkPriceVolume] = db.relationship(DrinkPriceVolume)
+    volumes: list[DrinkPriceVolume] = []
+    _volumes: list[DrinkPriceVolume] = db.relationship(
+        DrinkPriceVolume, back_populates="_drink", cascade="all,delete,delete-orphan"
+    )
 
     def __repr__(self):
         return f"Drink({self.id},{self.name},{self.volumes})"

flaschengeist/plugins/pricelist/pricelist_controller.py

@@ -142,9 +142,9 @@ def get_drinks(
     if ingredient:
         query = query.filter(Drink.cost_per_volume >= 0)
     if receipt:
-        query = query.filter(Drink.volumes.any(DrinkPriceVolume.ingredients != None))
+        query = query.filter(Drink._volumes.any(DrinkPriceVolume.ingredients != None))
     if public:
-        query = query.filter(Drink.volumes.any(DrinkPriceVolume.prices.any(DrinkPrice.public)))
+        query = query.filter(Drink._volumes.any(DrinkPriceVolume._prices.any(DrinkPrice.public)))
     if search_name:
         if search_key == "name":
             query = query.filter(Drink.name.contains(search_name))
@@ -168,9 +168,72 @@ def get_drinks(
     if offset is not None:
         query = query.offset(offset)
     drinks = query.all()
+    for drink in drinks:
+        for volume in drink._volumes:
+            volume.prices = volume._prices
+        drink.volumes = drink._volumes
+
     return drinks, count
 
 
+def get_pricelist(public=False, limit=None, offset=None, search_name=None, search_key=None):
+    count = None
+    query = DrinkPrice.query
+    if public:
+        query.filter(DrinkPrice.public)
+    if search_name:
+        if search_key == "name":
+            query = query.filter(DrinkPrice._volume.has(DrinkPriceVolume._drink.has(Drink.name.contains(search_name))))
+        if search_key == "type":
+            query = query.filter(
+                DrinkPrice._volume.has(
+                    DrinkPriceVolume._drink.has(Drink.type.has(DrinkType.name.contains(search_name)))
+                )
+            )
+        if search_key == "tags":
+            query = query.filter(
+                DrinkPrice._volume.has(DrinkPriceVolume._drink.has(Drink.tags.any(Tag.name.conaitns(search_name))))
+            )
+        if search_key == "volume":
+            query = query.filter(DrinkPrice._volume.has(DrinkPriceVolume.volume == float(search_name)))
+        if search_key == "price":
+            query = query.filter(DrinkPrice.price == float(search_name))
+        if search_key == "description":
+            query = query.filter(DrinkPrice.description.contains(search_name))
+        else:
+            try:
+                search_name = float(search_name)
+                query = query.filter(
+                    (DrinkPrice._volume.has(DrinkPriceVolume.volume == float(search_name)))
+                    | (DrinkPrice.price == float(search_name))
+                )
+            except:
+                query = query.filter(
+                    (DrinkPrice._volume.has(DrinkPriceVolume._drink.has(Drink.name.contains(search_name))))
+                    | (
+                        DrinkPrice._volume.has(
+                            DrinkPriceVolume._drink.has(Drink.type.has(DrinkType.name.contains(search_name)))
+                        )
+                    )
+                    | (
+                        DrinkPrice._volume.has(
+                            DrinkPriceVolume._drink.has(Drink.tags.any(Tag.name.conaitns(search_name)))
+                        )
+                    )
+                    | (DrinkPrice.description.contains(search_name))
+                )
+    if limit is not None:
+        count = query.count()
+        query = query.limit(limit)
+    if offset is not None:
+        query = query.offset(offset)
+    prices = query.all()
+    for price in prices:
+        price._volume.drink = price._volume._drink
+        price.volume = price._volume
+    return prices, count
+
+
 def get_drink(identifier, public=False):
     drink = None
     if isinstance(identifier, int):
@@ -183,6 +246,9 @@ def get_drink(identifier, public=False):
         raise NotFound
     if public:
         return _create_public_drink(drink)
+    for volume in drink._volumes:
+        volume.prices = volume._prices
+    drink.volumes = drink._volumes
     return drink
 
 
@@ -219,11 +285,15 @@ def update_drink(identifier, data):
         if drink_type:
             drink.type = drink_type
         if volumes is not None and session.user_.has_permission(EDIT_VOLUME):
-            drink.volumes = []
+            drink._volumes = []
-            drink.volumes = set_volumes(volumes)
+            drink._volumes = set_volumes(volumes)
         if len(tags) > 0:
             drink.tags = tags
         db.session.commit()
+        for volume in drink._volumes:
+            volume.prices = volume._prices
+        drink.volumes = drink._volumes
+
         return drink
     except (NotFound, KeyError):
         raise BadRequest
@@ -291,7 +361,7 @@ def set_prices(prices, volume):
         for _price in prices:
             price = set_price(_price)
             _prices.append(price)
-        volume.prices = _prices
+        volume._prices = _prices
 
 
 def set_ingredients(ingredients, volume):