new database system

collectionObj/models.py

@@ -0,0 +1,42 @@
+from fastapi import HTTPException
+from sqlalchemy import Column, Integer, String, Float, Boolean, ForeignKey
+from sqlalchemy.dialects.postgresql import ARRAY
+from sqlalchemy.orm import Session, relationship, mapped_column, Mapped
+from ..config import Base, get_session_db, user_collection, collection_item
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from ..auth.models import DBUser
+    from ..items.models import Items
+
+
+
+
+##### veri tabanı modelleri #####
+class CollectionsDB(Base):
+    __tablename__ = "collections_table"
+
+    collection_id : Mapped[int] = mapped_column(Integer, primary_key=True)
+    #user_id : Mapped[int] = mapped_column(Integer, ForeignKey("users_table.user_id"), nullable=False) # user_id ile ilişki
+    #item_id : Mapped[list[int]] = mapped_column(Integer, ForeignKey("items_table.item_id"), nullable=False) # item_id ile ilişki
+    visibility : Mapped[bool] = mapped_column(Boolean, default=True)
+    collection_name : Mapped[str] = mapped_column(String, nullable=False)
+    collection_description : Mapped[str] = mapped_column(String, default="No description")
+
+    # ilişkiler
+    users : Mapped['DBUser'] = relationship(
+        "DBUser",
+        secondary=user_collection, 
+        back_populates="collections", 
+        lazy='select'
+    ) #back_populates karşı tarafın ismi
+
+    items : Mapped[list['Items']] = relationship(
+        "Items",
+        secondary=collection_item,
+        back_populates="collections" ,
+        lazy='select'
+    )
+
+
+    #### collection bir item listesi birde kullanıcı listesi tutacak 

collectionObj/router.py

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+from fastapi import FastAPI, APIRouter
+
+router = APIRouter(
+    prefix="/collections",
+    tags=["collections"],
+    responses={404: {"description": "Not found"}},
+    dependencies=[],
+)