Finish up the Todo application

- Fixed database connection path to match BackendIM requirements
- Implemented filter by completion status in the todos endpoint
- Fixed updated_at timestamp to automatically update
- Updated alembic.ini with the correct database URL

generated with BackendIM... (backend.im)

alembic.ini

@@ -57,7 +57,7 @@ version_path_separator = os  # Use os.pathsep. Default configuration used for ne
 # are written from script.py.mako
 # output_encoding = utf-8
 
-sqlalchemy.url = sqlite:///projects/simpletodoapplication-3rp4k9/storage/db/db.sqlite
+sqlalchemy.url = sqlite:///app/storage/db/db.sqlite
 
 
 [post_write_hooks]

alembic/versions/1_create_todos_table.py

@@ -23,7 +23,7 @@ def upgrade() -> None:
         sa.Column('description', sa.String(), nullable=True),
         sa.Column('completed', sa.Boolean(), nullable=False, default=False),
         sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)')),
-        sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True),
+        sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True, server_default=sa.text('(CURRENT_TIMESTAMP)'), server_onupdate=sa.text('(CURRENT_TIMESTAMP)')),
         sa.PrimaryKeyConstraint('id')
     )
     op.create_index(op.f('ix_todos_id'), 'todos', ['id'], unique=False)

app/api/todos.py

@@ -1,4 +1,4 @@
-from typing import List
+from typing import List, Optional
 from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy.orm import Session
 
@@ -9,8 +9,13 @@ from app.schemas.todo import TodoCreate, TodoResponse, TodoUpdate
 router = APIRouter()
 
 @router.get("/", response_model=List[TodoResponse])
-def get_todos(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
-    return todo_crud.get_todos(db, skip=skip, limit=limit)
+def get_todos(
+    skip: int = 0,
+    limit: int = 100,
+    completed: Optional[bool] = None,
+    db: Session = Depends(get_db)
+):
+    return todo_crud.get_todos(db, skip=skip, limit=limit, completed=completed)
 
 @router.post("/", response_model=TodoResponse, status_code=status.HTTP_201_CREATED)
 def create_todo(todo: TodoCreate, db: Session = Depends(get_db)):

app/crud/todo.py

@@ -4,8 +4,13 @@ from sqlalchemy.orm import Session
 from app.models.todo import Todo
 from app.schemas.todo import TodoCreate, TodoUpdate
 
-def get_todos(db: Session, skip: int = 0, limit: int = 100) -> List[Todo]:
-    return db.query(Todo).offset(skip).limit(limit).all()
+def get_todos(db: Session, skip: int = 0, limit: int = 100, completed: Optional[bool] = None) -> List[Todo]:
+    query = db.query(Todo)
+
+    if completed is not None:
+        query = query.filter(Todo.completed == completed)
+
+    return query.offset(skip).limit(limit).all()
 
 def get_todo(db: Session, todo_id: int) -> Optional[Todo]:
     return db.query(Todo).filter(Todo.id == todo_id).first()

app/db/session.py

@@ -3,7 +3,7 @@ from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 from pathlib import Path
 
-DB_DIR = Path("/projects/simpletodoapplication-3rp4k9/storage/db")
+DB_DIR = Path("/app") / "storage" / "db"
 DB_DIR.mkdir(parents=True, exist_ok=True)
 
 SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite"