52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
from typing import List, Optional
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from sqlalchemy.orm import Session
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from app.models.todo import Todo
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from app.schemas.todo import TodoCreate, TodoUpdate
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def get_todo(db: Session, todo_id: int) -> Optional[Todo]:
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"""Get a single todo by ID."""
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return db.query(Todo).filter(Todo.id == todo_id).first()
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def get_todos(db: Session, skip: int = 0, limit: int = 100) -> List[Todo]:
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"""Get all todos with pagination."""
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return db.query(Todo).order_by(Todo.created_at.desc()).offset(skip).limit(limit).all()
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def create_todo(db: Session, todo: TodoCreate) -> Todo:
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"""Create a new todo."""
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db_todo = Todo(**todo.model_dump())
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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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def update_todo(db: Session, todo_id: int, todo: TodoUpdate) -> Optional[Todo]:
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"""Update a todo."""
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db_todo = get_todo(db, todo_id)
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if not db_todo:
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return None
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update_data = todo.model_dump(exclude_unset=True)
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for field, value in update_data.items():
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setattr(db_todo, field, value)
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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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def delete_todo(db: Session, todo_id: int) -> bool:
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"""Delete a todo."""
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db_todo = get_todo(db, todo_id)
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if not db_todo:
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return False
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db.delete(db_todo)
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db.commit()
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return True |