1d312e5ff6
- Created FastAPI application with SQLite database - Implemented models for inventory items, categories, suppliers, and transactions - Added authentication system with JWT tokens - Implemented CRUD operations for all models - Set up Alembic for database migrations - Added comprehensive API documentation - Configured Ruff for code linting
126 lines
3.6 KiB
Python
126 lines
3.6 KiB
Python
from typing import Any, List
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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
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from app.api import deps
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from app.models.user import User
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from app.schemas.category import Category, CategoryCreate, CategoryUpdate
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router = APIRouter()
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@router.get("/", response_model=List[Category])
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def read_categories(
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db: Session = Depends(deps.get_db),
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skip: int = 0,
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limit: int = 100,
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current_user: User = Depends(deps.get_current_user),
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) -> Any:
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"""
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Retrieve categories.
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"""
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categories = crud.category.get_multi(db, skip=skip, limit=limit)
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return categories
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@router.post("/", response_model=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(deps.get_db),
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category_in: CategoryCreate,
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current_user: User = Depends(deps.get_current_user),
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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=Category)
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def read_category(
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*,
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db: Session = Depends(deps.get_db),
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category_id: int,
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current_user: User = Depends(deps.get_current_user),
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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, 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=Category)
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def update_category(
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*,
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db: Session = Depends(deps.get_db),
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category_id: int,
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category_in: CategoryUpdate,
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current_user: User = Depends(deps.get_current_user),
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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, 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 name is being changed and if it already exists
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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(deps.get_db),
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category_id: int,
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current_user: User = Depends(deps.get_current_user),
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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, 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 any items are using this category
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items = crud.item.get_by_category(db, category_id=category_id, skip=0, limit=1)
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if items:
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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 associated items",
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)
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crud.category.remove(db, id=category_id)
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return None |