120 lines
3.4 KiB
Python
120 lines
3.4 KiB
Python
from typing import Any, List, Optional
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from fastapi import APIRouter, Depends, HTTPException, status
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from sqlalchemy.orm import Session
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from app import crud, schemas
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from app.db.session import get_db
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router = APIRouter()
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@router.get("/", response_model=List[schemas.Category])
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def read_categories(
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db: Session = Depends(get_db),
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skip: int = 0,
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limit: int = 100,
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name: Optional[str] = None,
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) -> Any:
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"""
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Retrieve categories with optional filtering by name.
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"""
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categories = crud.category.get_multi(db, skip=skip, limit=limit, name=name)
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return categories
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@router.post("/", response_model=schemas.Category, status_code=status.HTTP_201_CREATED)
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def create_category(
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*,
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db: Session = Depends(get_db),
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category_in: schemas.CategoryCreate,
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) -> Any:
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"""
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Create new category.
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"""
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# Check if category with the same name already exists
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category = crud.category.get_by_name(db, name=category_in.name)
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if category:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="Category with this name already exists.",
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)
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category = crud.category.create(db, obj_in=category_in)
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return category
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@router.get("/{category_id}", response_model=schemas.Category)
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def read_category(
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*,
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db: Session = Depends(get_db),
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category_id: str,
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) -> Any:
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"""
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Get category by ID.
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"""
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category = crud.category.get(db, category_id=category_id)
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if not category:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="Category not found",
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)
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return category
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@router.put("/{category_id}", response_model=schemas.Category)
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def update_category(
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*,
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db: Session = Depends(get_db),
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category_id: str,
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category_in: schemas.CategoryUpdate,
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) -> Any:
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"""
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Update a category.
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"""
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category = crud.category.get(db, category_id=category_id)
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if not category:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="Category not found",
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)
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# Check if trying to update to existing name
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if category_in.name and category_in.name != category.name:
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existing_category = crud.category.get_by_name(db, name=category_in.name)
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if existing_category and existing_category.id != category_id:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="Category with this name already exists",
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)
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category = crud.category.update(db, db_obj=category, obj_in=category_in)
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return category
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@router.delete("/{category_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None)
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def delete_category(
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*,
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db: Session = Depends(get_db),
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category_id: str,
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) -> Any:
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"""
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Delete a category.
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"""
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category = crud.category.get(db, category_id=category_id)
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if not category:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="Category not found",
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)
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# Check if category has products before deleting
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if category.products and len(category.products) > 0:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="Cannot delete category with products. Remove or reassign products first.",
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)
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crud.category.remove(db, category_id=category_id)
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return None
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