350b445f45
- Setup project structure and FastAPI application - Create SQLite database with SQLAlchemy - Implement user authentication with JWT - Create task and user models - Add CRUD operations for tasks and users - Configure Alembic for database migrations - Implement API endpoints for task management - Add error handling and validation - Configure CORS middleware - Create health check endpoint - Add comprehensive documentation
70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
from typing import Any, Dict, Generic, List, Optional, Type, TypeVar, Union
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from fastapi.encoders import jsonable_encoder
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from pydantic import BaseModel
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.future import select
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from app.db.base import Base
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ModelType = TypeVar("ModelType", bound=Base)
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CreateSchemaType = TypeVar("CreateSchemaType", bound=BaseModel)
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UpdateSchemaType = TypeVar("UpdateSchemaType", bound=BaseModel)
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class CRUDBase(Generic[ModelType, CreateSchemaType, UpdateSchemaType]):
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def __init__(self, model: Type[ModelType]):
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"""
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CRUD object with default methods to Create, Read, Update, Delete (CRUD).
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**Parameters**
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* `model`: A SQLAlchemy model class
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* `schema`: A Pydantic model (schema) class
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"""
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self.model = model
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async def get(self, db: AsyncSession, id_: Any) -> Optional[ModelType]:
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result = await db.execute(select(self.model).filter(self.model.id == id_))
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return result.scalars().first()
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async def get_multi(
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self, db: AsyncSession, *, skip: int = 0, limit: int = 100
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) -> List[ModelType]:
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result = await db.execute(select(self.model).offset(skip).limit(limit))
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return result.scalars().all()
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async def create(self, db: AsyncSession, *, obj_in: CreateSchemaType) -> ModelType:
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obj_in_data = jsonable_encoder(obj_in)
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db_obj = self.model(**obj_in_data)
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db.add(db_obj)
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await db.commit()
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await db.refresh(db_obj)
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return db_obj
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async def update(
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self,
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db: AsyncSession,
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*,
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db_obj: ModelType,
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obj_in: Union[UpdateSchemaType, Dict[str, Any]]
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) -> ModelType:
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obj_data = jsonable_encoder(db_obj)
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if isinstance(obj_in, dict):
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update_data = obj_in
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else:
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update_data = obj_in.dict(exclude_unset=True)
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for field in obj_data:
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if field in update_data:
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setattr(db_obj, field, update_data[field])
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db.add(db_obj)
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await db.commit()
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await db.refresh(db_obj)
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return db_obj
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async def remove(self, db: AsyncSession, *, id_: str) -> ModelType:
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obj = await db.execute(select(self.model).filter(self.model.id == id_))
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obj = obj.scalars().first()
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await db.delete(obj)
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await db.commit()
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return obj |