122 lines
4.1 KiB
Python
122 lines
4.1 KiB
Python
from typing import Any, Callable, Generic, Type, TypeVar
|
|
|
|
from fastapi import APIRouter, Depends, HTTPException
|
|
from pydantic import BaseModel
|
|
from sqlalchemy.orm import Session
|
|
|
|
ModelType = TypeVar("ModelType")
|
|
CreateSchemaType = TypeVar("CreateSchemaType", bound=BaseModel)
|
|
UpdateSchemaType = TypeVar("UpdateSchemaType", bound=BaseModel)
|
|
ResponseSchemaType = TypeVar("ResponseSchemaType", bound=BaseModel)
|
|
|
|
|
|
class CRUDRouterFactory(
|
|
Generic[ModelType, CreateSchemaType, UpdateSchemaType, ResponseSchemaType]
|
|
):
|
|
"""Factory to create standard CRUD routes"""
|
|
|
|
def __init__(
|
|
self,
|
|
model: Type[ModelType],
|
|
create_schema: Type[CreateSchemaType],
|
|
update_schema: Type[UpdateSchemaType],
|
|
response_schema: Type[ResponseSchemaType],
|
|
db_dependency: Callable,
|
|
auth_dependency: Callable,
|
|
prefix: str,
|
|
tags: list[str],
|
|
id_field: str = "key",
|
|
):
|
|
self.model = model
|
|
self.create_schema = create_schema
|
|
self.update_schema = update_schema
|
|
self.response_schema = response_schema
|
|
self.db_dependency = db_dependency
|
|
self.auth_dependency = auth_dependency
|
|
self.id_field = id_field
|
|
self.router = APIRouter(prefix=prefix, tags=tags)
|
|
self._register_routes()
|
|
|
|
def _register_routes(self):
|
|
"""Register all CRUD routes"""
|
|
|
|
@self.router.get("/", response_model=list[self.response_schema])
|
|
def list_items(
|
|
skip: int = 0,
|
|
limit: int = 100,
|
|
db: Session = Depends(self.db_dependency),
|
|
current_user: dict = Depends(self.auth_dependency),
|
|
):
|
|
items = db.query(self.model).offset(skip).limit(limit).all()
|
|
return items
|
|
|
|
@self.router.get(f"/{{{self.id_field}}}", response_model=self.response_schema)
|
|
def get_item(
|
|
db: Session = Depends(self.db_dependency),
|
|
current_user: dict = Depends(self.auth_dependency),
|
|
**kwargs,
|
|
):
|
|
item_id = kwargs.get(self.id_field)
|
|
obj = (
|
|
db.query(self.model)
|
|
.filter(getattr(self.model, self.id_field) == item_id)
|
|
.first()
|
|
)
|
|
if not obj:
|
|
raise HTTPException(status_code=404, detail="Not found")
|
|
return obj
|
|
|
|
@self.router.post("/", response_model=self.response_schema)
|
|
def create_item(
|
|
data: Any,
|
|
db: Session = Depends(self.db_dependency),
|
|
current_user: dict = Depends(self.auth_dependency),
|
|
):
|
|
obj = self.model(**data.dict())
|
|
db.add(obj)
|
|
db.commit()
|
|
db.refresh(obj)
|
|
return obj
|
|
|
|
@self.router.put(f"/{{{self.id_field}}}", response_model=self.response_schema)
|
|
def update_item(
|
|
data: Any,
|
|
db: Session = Depends(self.db_dependency),
|
|
current_user: dict = Depends(self.auth_dependency),
|
|
**kwargs,
|
|
):
|
|
item_id = kwargs.get(self.id_field)
|
|
obj = (
|
|
db.query(self.model)
|
|
.filter(getattr(self.model, self.id_field) == item_id)
|
|
.first()
|
|
)
|
|
if not obj:
|
|
raise HTTPException(status_code=404, detail="Not found")
|
|
|
|
for field, value in data.dict(exclude_unset=True).items():
|
|
setattr(obj, field, value)
|
|
|
|
db.commit()
|
|
db.refresh(obj)
|
|
return obj
|
|
|
|
@self.router.delete(f"/{{{self.id_field}}}", status_code=204)
|
|
def delete_item(
|
|
db: Session = Depends(self.db_dependency),
|
|
current_user: dict = Depends(self.auth_dependency),
|
|
**kwargs,
|
|
):
|
|
item_id = kwargs.get(self.id_field)
|
|
obj = (
|
|
db.query(self.model)
|
|
.filter(getattr(self.model, self.id_field) == item_id)
|
|
.first()
|
|
)
|
|
if not obj:
|
|
raise HTTPException(status_code=404, detail="Not found")
|
|
|
|
db.delete(obj)
|
|
db.commit()
|
|
return None
|