crud for collections
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@ -1,22 +1,43 @@
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from fastapi import HTTPException
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from sqlalchemy import Column, Integer, String, Float, Boolean, ForeignKey
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from sqlalchemy.dialects.postgresql import ARRAY
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from fastapi import HTTPException, Depends
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from sqlalchemy import Integer, String, Boolean
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from pydantic import BaseModel
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from sqlalchemy.orm import Session, relationship, mapped_column, Mapped
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from ..config import Base, get_session_db, user_collection, collection_item
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from ..auth.models import DBUser
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from ..auth.models import DBUser
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from ..items.models import Items
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from ..items.models import Items, Item
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###### SCHEMAS #########
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class CollectionBase(BaseModel):
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collection_name : str | None = None
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collection_description : str | None = None
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visibility : bool | None = None
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class CollectionCreate(CollectionBase):
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pass
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class CollectionPublic(CollectionBase):
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collection_id : int | None = None
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class Config:
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from_attributes = True #sqlalchemy ile pydantic arasında geçiş yapabilmek için kullanılır
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class CollectionUpdate(CollectionBase):
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pass
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##### veri tabanı modelleri #####
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class CollectionsDB(Base):
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__tablename__ = "collections_table"
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collection_id : Mapped[int] = mapped_column(Integer, primary_key=True)
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collection_id : Mapped[int] = mapped_column(Integer, primary_key=True, index=True, autoincrement=True)
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#user_id : Mapped[int] = mapped_column(Integer, ForeignKey("users_table.user_id"), nullable=False) # user_id ile ilişki
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#item_id : Mapped[list[int]] = mapped_column(Integer, ForeignKey("items_table.item_id"), nullable=False) # item_id ile ilişki
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visibility : Mapped[bool] = mapped_column(Boolean, default=True)
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@ -24,7 +45,7 @@ class CollectionsDB(Base):
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collection_description : Mapped[str] = mapped_column(String, default="No description")
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# ilişkiler
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users : Mapped['DBUser'] = relationship(
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users : Mapped[list['DBUser']] = relationship(
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"DBUser",
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secondary=user_collection,
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back_populates="collections",
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@ -40,3 +61,113 @@ class CollectionsDB(Base):
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#### collection bir item listesi birde kullanıcı listesi tutacak
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def create_colletion(
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collection: CollectionCreate | None = None,
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user_id : int | None = None
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) -> bool:
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"""
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Collection oluşturma fonksiyonu
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"""
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if collection is None:
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raise HTTPException(status_code=400, detail="Collection is None returned")
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session = next(get_session_db()) # -> get_session_db() fonksiyonu daima generator döndürür next ile çağırmalısın
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user = session.query(DBUser).filter(DBUser.user_id == user_id).first()
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if user is None:
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raise HTTPException(status_code=404, detail="User not found")
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try:
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new_collection = CollectionsDB(
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collection_name=collection.collection_name,
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collection_description=collection.collection_description,
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visibility=collection.visibility
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)
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new_collection.users.append(user)
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session.add(new_collection)
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session.commit()
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Error creating collection: {e}")
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return True
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def get_collections(
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user_id : int | None = None
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) -> list[CollectionPublic] | None:
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"""
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Kullanıcının collectionlarını döndürür
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"""
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if user_id is None:
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raise HTTPException(status_code=400, detail="User id is None")
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session = next(get_session_db()) # -> get_session_db() fonksiyonu daima generator döndürür next ile çağırmalısın
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collections = session.query(CollectionsDB).filter(CollectionsDB.users.any(user_id=user_id)).all()
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if collections is None:
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raise HTTPException(status_code=404, detail="No collections found")
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return collections
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def update_collection(
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collection: CollectionUpdate | None = None,
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user_id : int | None = None,
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collection_id : int | None = None
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) -> bool:
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"""
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Collection güncelleme fonksiyonu
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"""
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if collection is None:
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raise HTTPException(status_code=400, detail="Collection is None returned")
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session = next(get_session_db()) # -> get_session_db() fonksiyonu daima generator döndürür next ile çağırmalısın
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user = session.query(DBUser).filter(DBUser.user_id == user_id).first()
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if user is None:
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raise HTTPException(status_code=404, detail="User not found")
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collection_to_update = session.query(CollectionsDB).filter(CollectionsDB.collection_id == collection_id).first()
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if collection_to_update is None:
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raise HTTPException(status_code=404, detail="Collection not found")
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try:
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collection_to_update.collection_name = collection.collection_name
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collection_to_update.collection_description = collection.collection_description
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collection_to_update.visibility = collection.visibility
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session.commit()
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Error updating collection: {e}")
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return True
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def delete_collection(
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user_id : int | None = None,
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collection_id : int | None = None
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) -> bool:
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"""
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Collection silme fonksiyonu
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"""
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if user_id is None or collection_id is None:
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raise HTTPException(status_code=400, detail="User id or collection id is None")
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session = next(get_session_db()) # -> get_session_db() fonksiyonu daima generator döndürür next ile çağırmalısın
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user = session.query(DBUser).filter(DBUser.user_id == user_id).first()
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if user is None:
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raise HTTPException(status_code=404, detail="User not found")
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collection_to_delete = session.query(CollectionsDB).filter(CollectionsDB.collection_id == collection_id).first()
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if collection_to_delete is None:
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raise HTTPException(status_code=404, detail="Collection not found")
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try:
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session.delete(collection_to_delete)
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session.commit()
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Error deleting collection: {e}")
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return True
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@ -1,4 +1,6 @@
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from fastapi import FastAPI, APIRouter
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from .models import CollectionPublic, CollectionCreate, CollectionUpdate
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from .models import get_collections, create_colletion, update_collection, delete_collection
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router = APIRouter(
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prefix="/collections",
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@ -6,3 +8,53 @@ router = APIRouter(
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responses={404: {"description": "Not found"}},
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dependencies=[],
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)
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@router.get("/{user_id}")
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async def get_collections_api(user_id: int) -> list[CollectionPublic]:
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"""
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Kullanıcının collectionlarını döndürür
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"""
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_collections : list[CollectionPublic] = get_collections(user_id=user_id)
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return _collections
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@router.post("/{user_id}")
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async def create_collection(
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user_id: int,
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collection: CollectionCreate
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) -> bool:
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"""
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Collection oluşturma fonksiyonu
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"""
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_result = create_colletion(user_id=user_id, collection=collection)
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return _result
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@router.put("/{user_id}/{collection_id}")
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async def update_collection_api(
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user_id: int,
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collection_id : int,
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collection: CollectionUpdate
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) -> bool:
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"""
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Collection güncelleme fonksiyonu
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"""
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_result = update_collection(user_id=user_id, collection_id=collection_id, collection=collection)
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return _result
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@router.delete("/{user_id}/{collection_id}")
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async def delete_collection_api(
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user_id: int,
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collection_id : int
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) -> bool:
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"""
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Collection silme fonksiyonu
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"""
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_result = delete_collection(user_id=user_id, collection_id=collection_id)
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return _result
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@ -30,11 +30,11 @@ class Base(DeclarativeBase):
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#models te içe aktarmayı unutma
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def init_db():
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Base.metadata.drop_all(engine) # Veritabanını her başlangıcta siler burayada dikkat !!!!!!!!
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#Base.metadata.drop_all(engine) # Veritabanını her başlangıcta siler burayada dikkat !!!!!!!!
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Base.metadata.create_all(bind=engine) # Veritabanını oluşturur
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# Session dependency (FastAPI için)
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def get_session_db():
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def get_session_db() -> 'Generator[Session, None]':
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db = SessionLocal()
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try:
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yield db
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@ -70,10 +70,9 @@ class Items(Base):
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item_score: Mapped[float] = mapped_column(Float, default=0.0)
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# ilişkiler
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collections : Mapped['CollectionsDB']= relationship(
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collections : Mapped[list['CollectionsDB']]= relationship(
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"CollectionsDB",
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secondary=collection_item,
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back_populates="items",
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lazy='select'
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) #back_populates karşı tarafın ismi
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