61 lines
1.4 KiB
Python
61 lines
1.4 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_todos(db: Session, skip: int = 0, limit: int = 100) -> List[Todo]:
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"""
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Get a list of todos from the database.
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"""
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return db.query(Todo).offset(skip).limit(limit).all()
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def get_todo(db: Session, todo_id: int) -> Optional[Todo]:
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"""
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Get a single todo by ID.
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"""
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return db.query(Todo).filter(Todo.id == todo_id).first()
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def create_todo(db: Session, todo: TodoCreate) -> Todo:
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"""
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Create a new todo in the database.
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"""
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db_todo = Todo(**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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def update_todo(db: Session, todo_id: int, todo_update: TodoUpdate) -> Optional[Todo]:
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"""
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Update an existing todo in the database.
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"""
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db_todo = get_todo(db, todo_id)
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if db_todo is None:
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return None
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update_data = todo_update.dict(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.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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"""
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Delete a todo from the database.
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"""
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db_todo = get_todo(db, todo_id)
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if db_todo is None:
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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
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