d20c3af0bc
- Setup project structure with FastAPI, SQLAlchemy, and SQLite - Create Todo model and database migrations - Implement CRUD API endpoints - Add error handling and validation - Update README with documentation and examples generated with BackendIM... (backend.im)
81 lines
2.4 KiB
Python
81 lines
2.4 KiB
Python
from typing import List, Optional
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from fastapi import APIRouter, Depends, status, Query
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from sqlalchemy.orm import Session
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from app.core.exceptions import TodoNotFoundException
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from app.db.session import get_db
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from app.models.todo import Todo as TodoModel
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from app.schemas.todo import Todo, TodoCreate, TodoUpdate
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router = APIRouter(prefix="/todos", tags=["todos"])
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@router.get("/", response_model=List[Todo])
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def read_todos(
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skip: int = 0,
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limit: int = 100,
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completed: Optional[bool] = None,
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db: Session = Depends(get_db)
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):
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"""
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Retrieve all todos with optional filtering by completion status.
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"""
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query = db.query(TodoModel)
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# Filter by completion status if provided
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if completed is not None:
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query = query.filter(TodoModel.completed == completed)
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todos = query.offset(skip).limit(limit).all()
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return todos
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@router.post("/", response_model=Todo, status_code=status.HTTP_201_CREATED)
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def create_todo(todo: TodoCreate, db: Session = Depends(get_db)):
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"""
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Create a new todo item.
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"""
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db_todo = TodoModel(**todo.dict())
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db.add(db_todo)
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db.commit()
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db.refresh(db_todo)
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return db_todo
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@router.get("/{todo_id}", response_model=Todo)
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def read_todo(todo_id: int, db: Session = Depends(get_db)):
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"""
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Get a specific todo by ID.
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"""
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db_todo = db.query(TodoModel).filter(TodoModel.id == todo_id).first()
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if db_todo is None:
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raise TodoNotFoundException(todo_id=todo_id)
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return db_todo
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@router.put("/{todo_id}", response_model=Todo)
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def update_todo(todo_id: int, todo: TodoUpdate, db: Session = Depends(get_db)):
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"""
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Update a todo item.
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"""
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db_todo = db.query(TodoModel).filter(TodoModel.id == todo_id).first()
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if db_todo is None:
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raise TodoNotFoundException(todo_id=todo_id)
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# Update only the fields that are provided
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update_data = todo.dict(exclude_unset=True)
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for key, value in update_data.items():
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setattr(db_todo, key, value)
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db.commit()
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db.refresh(db_todo)
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return db_todo
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@router.delete("/{todo_id}", status_code=status.HTTP_204_NO_CONTENT)
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def delete_todo(todo_id: int, db: Session = Depends(get_db)):
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"""
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Delete a todo item.
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"""
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db_todo = db.query(TodoModel).filter(TodoModel.id == todo_id).first()
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if db_todo is None:
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raise TodoNotFoundException(todo_id=todo_id)
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db.delete(db_todo)
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db.commit()
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return None |