29d75cdf08
- Set up project structure and dependencies - Create database models and schemas for tasks - Implement CRUD operations for tasks - Add API endpoints for task management - Create Alembic migrations for the database - Add health check endpoint - Implement error handling - Add documentation in README.md
113 lines
3.0 KiB
Python
113 lines
3.0 KiB
Python
from typing import Any, Dict, Generic, List, Optional, Type, TypeVar, Union
|
|
|
|
from fastapi.encoders import jsonable_encoder
|
|
from pydantic import BaseModel
|
|
from sqlalchemy.orm import Session
|
|
|
|
from app.core.database import Base
|
|
|
|
ModelType = TypeVar("ModelType", bound=Base)
|
|
CreateSchemaType = TypeVar("CreateSchemaType", bound=BaseModel)
|
|
UpdateSchemaType = TypeVar("UpdateSchemaType", bound=BaseModel)
|
|
|
|
|
|
class CRUDBase(Generic[ModelType, CreateSchemaType, UpdateSchemaType]):
|
|
"""Base class for CRUD operations."""
|
|
|
|
def __init__(self, model: Type[ModelType]):
|
|
"""Initialize with sqlalchemy model.
|
|
|
|
Args:
|
|
model: The SQLAlchemy model
|
|
"""
|
|
self.model = model
|
|
|
|
def get(self, db: Session, id: Any) -> Optional[ModelType]:
|
|
"""Get a record by ID.
|
|
|
|
Args:
|
|
db: Database session
|
|
id: ID of the record to get
|
|
|
|
Returns:
|
|
The record if found, None otherwise
|
|
"""
|
|
return db.query(self.model).filter(self.model.id == id).first()
|
|
|
|
def get_multi(
|
|
self, db: Session, *, skip: int = 0, limit: int = 100
|
|
) -> List[ModelType]:
|
|
"""Get multiple records.
|
|
|
|
Args:
|
|
db: Database session
|
|
skip: Number of records to skip
|
|
limit: Maximum number of records to return
|
|
|
|
Returns:
|
|
List of records
|
|
"""
|
|
return db.query(self.model).offset(skip).limit(limit).all()
|
|
|
|
def create(self, db: Session, *, obj_in: CreateSchemaType) -> ModelType:
|
|
"""Create a new record.
|
|
|
|
Args:
|
|
db: Database session
|
|
obj_in: Schema with data to create
|
|
|
|
Returns:
|
|
The created record
|
|
"""
|
|
obj_in_data = jsonable_encoder(obj_in)
|
|
db_obj = self.model(**obj_in_data)
|
|
db.add(db_obj)
|
|
db.commit()
|
|
db.refresh(db_obj)
|
|
return db_obj
|
|
|
|
def update(
|
|
self,
|
|
db: Session,
|
|
*,
|
|
db_obj: ModelType,
|
|
obj_in: Union[UpdateSchemaType, Dict[str, Any]]
|
|
) -> ModelType:
|
|
"""Update a record.
|
|
|
|
Args:
|
|
db: Database session
|
|
db_obj: The database object to update
|
|
obj_in: Schema with data to update
|
|
|
|
Returns:
|
|
The updated record
|
|
"""
|
|
obj_data = jsonable_encoder(db_obj)
|
|
if isinstance(obj_in, dict):
|
|
update_data = obj_in
|
|
else:
|
|
update_data = obj_in.model_dump(exclude_unset=True)
|
|
for field in obj_data:
|
|
if field in update_data:
|
|
setattr(db_obj, field, update_data[field])
|
|
db.add(db_obj)
|
|
db.commit()
|
|
db.refresh(db_obj)
|
|
return db_obj
|
|
|
|
def remove(self, db: Session, *, id: int) -> ModelType:
|
|
"""Remove a record.
|
|
|
|
Args:
|
|
db: Database session
|
|
id: ID of the record to remove
|
|
|
|
Returns:
|
|
The removed record
|
|
"""
|
|
obj = db.query(self.model).get(id)
|
|
db.delete(obj)
|
|
db.commit()
|
|
return obj
|