gold_readbag and russian

models/goods_info.py

@@ -0,0 +1,92 @@
+
+from services.db_context import db
+
+
+class GoodsInfo(db.Model):
+    __tablename__ = 'goods_info'
+
+    id = db.Column(db.Integer(), primary_key=True)
+    goods_name = db.Column(db.TEXT(), nullable=False)                            # 名称
+    goods_price = db.Column(db.Integer(), nullable=False)                        # 价格
+    goods_description = db.Column(db.TEXT(), nullable=False)                     # 商品描述
+    goods_discount = db.Column(db.Numeric(scale=3, asdecimal=False), default=1)  # 打折
+    goods_limit_time = db.Column(db.BigInteger(), default=0)                     # 限时
+
+    _idx1 = db.Index('goods_group_users_idx1', 'goods_name', unique=True)
+
+    @classmethod
+    async def add_goods(cls, goods_name: str, goods_price: int,
+                        goods_description: str, goods_discount: float = 1, goods_limit_time: int = 0) -> bool:
+        # try:
+        await cls.create(
+            goods_name=goods_name,
+            goods_price=goods_price,
+            goods_description=goods_description,
+            goods_discount=goods_discount,
+            goods_limit_time=goods_limit_time
+        )
+        return True
+        # except Exception:
+        #     return False
+
+    @classmethod
+    async def del_goods(cls, goods_name: str) -> bool:
+        query = await cls.query.where(
+            cls.goods_name == goods_name
+        ).with_for_update().gino.first()
+        if not query:
+            return False
+        await query.delete()
+        return True
+
+    @classmethod
+    async def update_goods(cls, goods_name: str, goods_price: int = None,
+                           goods_description: str = None, goods_discount: float = None,
+                           goods_limit_time: int = None) -> bool:
+        try:
+            query = await cls.query.where(
+                cls.goods_name == goods_name
+            ).with_for_update().gino.first()
+            if not query:
+                return False
+            if goods_price:
+                await query.update(
+                    goods_price=goods_price
+                ).apply()
+            if goods_description:
+                await query.update(
+                    goods_description=goods_description
+                ).apply()
+            if goods_discount:
+                await query.update(
+                    goods_discount=goods_discount
+                ).apply()
+            if goods_limit_time:
+                await query.update(
+                    goods_limit_time=goods_limit_time
+                ).apply()
+            return True
+        except Exception:
+            return False
+
+    @classmethod
+    async def get_goods_info(cls, goods_name: str) -> 'GoodsInfo':
+        query = await cls.query.where(
+            cls.goods_name == goods_name
+        ).gino.first()
+        return query
+
+    @classmethod
+    async def get_all_goods(cls) -> list:
+        query = await cls.query.gino.all()
+        return query
+
+
+
+
+
+
+
+
+
+