Update code via agent code generation

alembic.ini

@@ -0,0 +1,84 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = migrations
+
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# timezone to use when rendering the date
+# within the migration file as well as the filename.
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; this defaults
+# to migrations/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path
+# version_locations = %(here)s/bar %(here)s/bat migrations/versions
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+sqlalchemy.url = sqlite:////app/storage/db/db.sqlite
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks=black
+# black.type=console_scripts
+# black.entrypoint=black
+# black.options=-l 79
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

app/api/deps.py

@@ -0,0 +1,120 @@
+"""API dependencies module."""
+from typing import Generator
+
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from jose import JWTError, jwt
+from pydantic import ValidationError
+from sqlalchemy.orm import Session
+
+from app.core.config import settings
+from app.core.security import verify_password
+from app.db.session import get_db
+from app.models.user import User
+from app.schemas.token import TokenPayload
+
+# OAuth2 token URL
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.API_V1_STR}/auth/login")
+
+
+def get_current_user(
+    db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)
+) -> User:
+    """
+    Get the current user from the token.
+    
+    Args:
+        db: Database session
+        token: JWT token
+        
+    Returns:
+        User: The authenticated user
+        
+    Raises:
+        HTTPException: If the token is invalid or the user doesn't exist
+    """
+    try:
+        payload = jwt.decode(
+            token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM]
+        )
+        token_data = TokenPayload(**payload)
+    except (JWTError, ValidationError):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Could not validate credentials",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    
+    user = db.query(User).filter(User.id == token_data.sub).first()
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found"
+        )
+    return user
+
+
+def get_current_active_user(
+    current_user: User = Depends(get_current_user),
+) -> User:
+    """
+    Get the current active user.
+    
+    Args:
+        current_user: The authenticated user
+        
+    Returns:
+        User: The active authenticated user
+        
+    Raises:
+        HTTPException: If the user is inactive
+    """
+    if not current_user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Inactive user"
+        )
+    return current_user
+
+
+def get_current_active_superuser(
+    current_user: User = Depends(get_current_active_user),
+) -> User:
+    """
+    Get the current active superuser.
+    
+    Args:
+        current_user: The authenticated active user
+        
+    Returns:
+        User: The active superuser
+        
+    Raises:
+        HTTPException: If the user is not a superuser
+    """
+    if not current_user.is_superuser:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Not enough permissions"
+        )
+    return current_user
+
+
+def authenticate_user(db: Session, email: str, password: str) -> Optional[User]:
+    """
+    Authenticate a user by email and password.
+    
+    Args:
+        db: Database session
+        email: User email
+        password: User password
+        
+    Returns:
+        Optional[User]: The authenticated user or None if authentication fails
+    """
+    user = db.query(User).filter(User.email == email).first()
+    if not user:
+        return None
+    if not verify_password(password, user.hashed_password):
+        return None
+    return user

app/api/v1/endpoints/__init__.py

@@ -0,0 +1 @@
+"""API endpoints package."""

app/api/v1/endpoints/auth.py

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+"""Authentication endpoints."""
+from datetime import timedelta
+from typing import Any
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlalchemy.orm import Session
+
+from app.api.deps import authenticate_user
+from app.core.config import settings
+from app.core.security import create_access_token, get_password_hash
+from app.db.session import get_db
+from app.models.user import User
+from app.schemas.token import Token
+from app.schemas.user import UserCreate, User as UserSchema
+
+router = APIRouter()
+
+
+@router.post("/login", response_model=Token)
+def login_access_token(
+    db: Session = Depends(get_db), form_data: OAuth2PasswordRequestForm = Depends()
+) -> Any:
+    """
+    OAuth2 compatible token login, get an access token for future requests.
+    
+    Args:
+        db: Database session
+        form_data: Form data with username (email) and password
+        
+    Returns:
+        Token: Access token for future requests
+    """
+    user = authenticate_user(db, form_data.username, form_data.password)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect email or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    elif not user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Inactive user"
+        )
+    
+    access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    return {
+        "access_token": create_access_token(
+            user.id, expires_delta=access_token_expires
+        ),
+        "token_type": "bearer",
+    }
+
+
+@router.post("/register", response_model=UserSchema, status_code=status.HTTP_201_CREATED)
+def register_user(
+    *,
+    db: Session = Depends(get_db),
+    user_in: UserCreate,
+) -> Any:
+    """
+    Register a new user.
+    
+    Args:
+        db: Database session
+        user_in: User data
+        
+    Returns:
+        User: The created user
+    """
+    # Check if a user with this email already exists
+    user = db.query(User).filter(User.email == user_in.email).first()
+    if user:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="A user with this email already exists",
+        )
+    
+    # Create new user
+    user = User(
+        email=user_in.email,
+        hashed_password=get_password_hash(user_in.password),
+        full_name=user_in.full_name,
+        is_superuser=user_in.is_superuser,
+        is_active=user_in.is_active,
+    )
+    db.add(user)
+    db.commit()
+    db.refresh(user)
+    
+    return user

app/api/v1/endpoints/users.py

@@ -0,0 +1,224 @@
+"""User endpoints."""
+from typing import Any, List
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.orm import Session
+
+from app.api.deps import (
+    get_current_active_superuser,
+    get_current_active_user,
+    get_db,
+)
+from app.core.security import get_password_hash
+from app.models.user import User
+from app.schemas.user import User as UserSchema
+from app.schemas.user import UserCreate, UserUpdate
+
+router = APIRouter()
+
+
+@router.get("/me", response_model=UserSchema)
+def read_current_user(
+    current_user: User = Depends(get_current_active_user),
+) -> Any:
+    """
+    Get current user information.
+    
+    Args:
+        current_user: Current active user
+        
+    Returns:
+        User: Current user information
+    """
+    return current_user
+
+
+@router.patch("/me", response_model=UserSchema)
+def update_current_user(
+    *,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_active_user),
+    user_in: UserUpdate,
+) -> Any:
+    """
+    Update current user information.
+    
+    Args:
+        db: Database session
+        current_user: Current active user
+        user_in: User update data
+        
+    Returns:
+        User: Updated user information
+    """
+    # Update user attributes
+    for field, value in user_in.model_dump(exclude_unset=True).items():
+        if field == "password" and value:
+            setattr(current_user, "hashed_password", get_password_hash(value))
+        elif field != "password":
+            setattr(current_user, field, value)
+    
+    db.add(current_user)
+    db.commit()
+    db.refresh(current_user)
+    
+    return current_user
+
+
+@router.get("", response_model=List[UserSchema])
+def read_users(
+    db: Session = Depends(get_db),
+    skip: int = 0,
+    limit: int = 100,
+    current_user: User = Depends(get_current_active_superuser),
+) -> Any:
+    """
+    Retrieve users. Only for superusers.
+    
+    Args:
+        db: Database session
+        skip: Skip first N users
+        limit: Limit number of users to return
+        current_user: Current active superuser
+        
+    Returns:
+        List[User]: List of users
+    """
+    users = db.query(User).offset(skip).limit(limit).all()
+    return users
+
+
+@router.post("", response_model=UserSchema, status_code=status.HTTP_201_CREATED)
+def create_user(
+    *,
+    db: Session = Depends(get_db),
+    user_in: UserCreate,
+    current_user: User = Depends(get_current_active_superuser),
+) -> Any:
+    """
+    Create a new user. Only for superusers.
+    
+    Args:
+        db: Database session
+        user_in: User creation data
+        current_user: Current active superuser
+        
+    Returns:
+        User: Created user
+    """
+    # Check if user with this email already exists
+    user = db.query(User).filter(User.email == user_in.email).first()
+    if user:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="A user with this email already exists",
+        )
+    
+    # Create new user
+    user = User(
+        email=user_in.email,
+        hashed_password=get_password_hash(user_in.password),
+        full_name=user_in.full_name,
+        is_superuser=user_in.is_superuser,
+        is_active=user_in.is_active,
+    )
+    db.add(user)
+    db.commit()
+    db.refresh(user)
+    
+    return user
+
+
+@router.get("/{user_id}", response_model=UserSchema)
+def read_user(
+    user_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_active_superuser),
+) -> Any:
+    """
+    Get a specific user by id. Only for superusers.
+    
+    Args:
+        user_id: User ID
+        db: Database session
+        current_user: Current active superuser
+        
+    Returns:
+        User: User with given ID
+    """
+    user = db.query(User).filter(User.id == user_id).first()
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found",
+        )
+    return user
+
+
+@router.patch("/{user_id}", response_model=UserSchema)
+def update_user(
+    *,
+    db: Session = Depends(get_db),
+    user_id: int,
+    user_in: UserUpdate,
+    current_user: User = Depends(get_current_active_superuser),
+) -> Any:
+    """
+    Update a user. Only for superusers.
+    
+    Args:
+        db: Database session
+        user_id: User ID
+        user_in: User update data
+        current_user: Current active superuser
+        
+    Returns:
+        User: Updated user
+    """
+    user = db.query(User).filter(User.id == user_id).first()
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found",
+        )
+    
+    # Update user attributes
+    for field, value in user_in.model_dump(exclude_unset=True).items():
+        if field == "password" and value:
+            setattr(user, "hashed_password", get_password_hash(value))
+        elif field != "password":
+            setattr(user, field, value)
+    
+    db.add(user)
+    db.commit()
+    db.refresh(user)
+    
+    return user
+
+
+@router.delete("/{user_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None)
+def delete_user(
+    *,
+    db: Session = Depends(get_db),
+    user_id: int,
+    current_user: User = Depends(get_current_active_superuser),
+) -> None:
+    """
+    Delete a user. Only for superusers.
+    
+    Args:
+        db: Database session
+        user_id: User ID
+        current_user: Current active superuser
+    """
+    user = db.query(User).filter(User.id == user_id).first()
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found",
+        )
+    
+    db.delete(user)
+    db.commit()
+    
+    return None

app/api/v1/router.py

@@ -0,0 +1,10 @@
+"""API router module for v1 endpoints."""
+from fastapi import APIRouter
+
+from app.api.v1.endpoints import auth, users
+
+api_router = APIRouter()
+
+# Include routers from different endpoint modules
+api_router.include_router(auth.router, prefix="/auth", tags=["Authentication"])
+api_router.include_router(users.router, prefix="/users", tags=["Users"])

app/core/config.py

@@ -0,0 +1,44 @@
+"""Application configuration module."""
+import os
+from pathlib import Path
+from typing import Any, Dict, List, Optional
+
+from pydantic import AnyHttpUrl, EmailStr, Field, validator
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    """Application settings."""
+
+    # Base settings
+    PROJECT_NAME: str = "User Authentication Service"
+    PROJECT_DESCRIPTION: str = "FastAPI service for user authentication"
+    VERSION: str = "0.1.0"
+    API_V1_STR: str = "/api/v1"
+    DEBUG: bool = False
+    HOST: str = "0.0.0.0"
+    PORT: int = 8000
+    
+    # Security settings
+    SECRET_KEY: str = os.getenv("SECRET_KEY", "CHANGE_THIS_SECRET_KEY_IN_PRODUCTION")
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = int(os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES", "30"))
+    ALGORITHM: str = "HS256"
+    
+    # Super admin settings (for first user creation)
+    FIRST_SUPERUSER_EMAIL: Optional[EmailStr] = os.getenv("FIRST_SUPERUSER_EMAIL")
+    FIRST_SUPERUSER_PASSWORD: Optional[str] = os.getenv("FIRST_SUPERUSER_PASSWORD")
+    
+    # CORS settings
+    BACKEND_CORS_ORIGINS: List[AnyHttpUrl] = []
+
+    @validator("BACKEND_CORS_ORIGINS", pre=True)
+    def assemble_cors_origins(cls, v: Any) -> List[str]:
+        """Parse and validate CORS origins."""
+        if isinstance(v, str) and not v.startswith("["):
+            return [i.strip() for i in v.split(",")]
+        if isinstance(v, (list, str)):
+            return v
+        raise ValueError(v)
+
+
+settings = Settings()

app/core/security.py

@@ -0,0 +1,38 @@
+"""Security utilities for authentication and authorization."""
+from datetime import datetime, timedelta
+from typing import Any, Optional, Union
+
+from jose import jwt
+from passlib.context import CryptContext
+
+from app.core.config import settings
+
+# Password hashing
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Verify a password against a hash."""
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    """Generate a password hash."""
+    return pwd_context.hash(password)
+
+
+def create_access_token(
+    subject: Union[str, Any], expires_delta: Optional[timedelta] = None
+) -> str:
+    """Create a JWT access token."""
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(
+            minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES
+        )
+    to_encode = {"exp": expire, "sub": str(subject)}
+    encoded_jwt = jwt.encode(
+        to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM
+    )
+    return encoded_jwt

app/db/__init__.py

@@ -0,0 +1,6 @@
+"""Database package."""
+from app.db.base import Base
+from app.db.init_db import init_db
+from app.db.session import SessionLocal, engine, get_db
+
+__all__ = ["Base", "init_db", "get_db", "engine", "SessionLocal"]

app/db/base.py

@@ -0,0 +1,4 @@
+"""SQLAlchemy Base model definition."""
+from sqlalchemy.ext.declarative import declarative_base
+
+Base = declarative_base()

app/db/base_class.py

@@ -0,0 +1,24 @@
+"""Base class for SQLAlchemy models."""
+import datetime
+from typing import Any
+
+from sqlalchemy import Column, DateTime
+from sqlalchemy.ext.declarative import declared_attr
+
+
+class Base:
+    """Base class for SQLAlchemy models."""
+
+    # Generate __tablename__ automatically
+    @declared_attr
+    def __tablename__(cls) -> str:
+        return cls.__name__.lower()
+
+    # Common columns for all models
+    created_at = Column(DateTime, default=datetime.datetime.utcnow, nullable=False)
+    updated_at = Column(
+        DateTime,
+        default=datetime.datetime.utcnow,
+        onupdate=datetime.datetime.utcnow,
+        nullable=False,
+    )

app/db/init_db.py

@@ -0,0 +1,43 @@
+"""Database initialization module."""
+import logging
+
+from sqlalchemy.orm import Session
+
+from app.core.config import settings
+from app.core.security import get_password_hash
+from app.models.user import User
+from app.schemas.user import UserCreate
+
+logger = logging.getLogger(__name__)
+
+
+def init_db(db: Session) -> None:
+    """Initialize database with initial data."""
+    # Check if there are any users in the database
+    user = db.query(User).first()
+    if user:
+        logger.info("Database already initialized, skipping")
+        return
+
+    # Create first superuser if environment variables are set
+    if settings.FIRST_SUPERUSER_EMAIL and settings.FIRST_SUPERUSER_PASSWORD:
+        logger.info("Creating initial superuser")
+        
+        user_in = UserCreate(
+            email=settings.FIRST_SUPERUSER_EMAIL,
+            password=settings.FIRST_SUPERUSER_PASSWORD,
+            full_name="Initial Superuser",
+            is_superuser=True,
+        )
+        
+        db_user = User(
+            email=user_in.email,
+            hashed_password=get_password_hash(user_in.password),
+            full_name=user_in.full_name,
+            is_superuser=user_in.is_superuser,
+            is_active=True,
+        )
+        
+        db.add(db_user)
+        db.commit()
+        logger.info(f"Superuser {settings.FIRST_SUPERUSER_EMAIL} created")

app/db/session.py

@@ -0,0 +1,27 @@
+"""Database session setup."""
+from pathlib import Path
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+# Create the database directory if it doesn't exist
+DB_DIR = Path("/app") / "storage" / "db"
+DB_DIR.mkdir(parents=True, exist_ok=True)
+
+SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite"
+
+engine = create_engine(
+    SQLALCHEMY_DATABASE_URL,
+    connect_args={"check_same_thread": False}
+)
+
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+def get_db():
+    """Get a database session."""
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

app/middleware/auth.py

@@ -0,0 +1,134 @@
+"""Authentication middleware."""
+from typing import Callable, Optional
+
+from fastapi import Depends, FastAPI, Header, HTTPException, Request, status
+from fastapi.security import OAuth2PasswordBearer
+from jose import JWTError, jwt
+from sqlalchemy.orm import Session
+
+from app.core.config import settings
+from app.db.session import get_db
+from app.models.user import User
+from app.schemas.token import TokenPayload
+
+
+async def get_token_from_header(
+    authorization: Optional[str] = Header(None),
+) -> Optional[str]:
+    """
+    Extract token from the Authorization header.
+    
+    Args:
+        authorization: Authorization header
+        
+    Returns:
+        Optional[str]: JWT token or None
+    """
+    if not authorization:
+        return None
+    
+    scheme, _, token = authorization.partition(" ")
+    if scheme.lower() != "bearer":
+        return None
+    
+    return token
+
+
+async def validate_token(
+    token: Optional[str],
+    db: Session,
+) -> Optional[User]:
+    """
+    Validate JWT token and return the user.
+    
+    Args:
+        token: JWT token
+        db: Database session
+        
+    Returns:
+        Optional[User]: User or None if token is invalid
+    """
+    if not token:
+        return None
+    
+    try:
+        payload = jwt.decode(
+            token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM]
+        )
+        token_data = TokenPayload(**payload)
+        
+        if token_data.sub is None:
+            return None
+        
+    except (JWTError, ValueError):
+        return None
+    
+    user = db.query(User).filter(User.id == token_data.sub).first()
+    if not user or not user.is_active:
+        return None
+    
+    return user
+
+
+class AuthMiddleware:
+    """Authentication middleware for FastAPI applications."""
+
+    def __init__(self, app: FastAPI):
+        """
+        Initialize middleware.
+        
+        Args:
+            app: FastAPI application
+        """
+        self.app = app
+    
+    async def __call__(self, request: Request, call_next: Callable):
+        """
+        Process request through middleware.
+        
+        Args:
+            request: FastAPI request
+            call_next: Next middleware/endpoint in the chain
+            
+        Returns:
+            Response: FastAPI response
+        """
+        # Skip authentication for auth endpoints and docs
+        path = request.url.path
+        if (
+            path.startswith(f"{settings.API_V1_STR}/auth")
+            or path == "/"
+            or path == "/health"
+            or path.startswith("/docs")
+            or path.startswith("/redoc")
+            or path.startswith("/openapi.json")
+        ):
+            return await call_next(request)
+        
+        # Get token from header
+        token = await get_token_from_header(request.headers.get("Authorization"))
+        
+        # For protected endpoints, token is required
+        if not token:
+            return HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Not authenticated",
+                headers={"WWW-Authenticate": "Bearer"},
+            )
+        
+        # Validate token
+        db = next(get_db())
+        user = await validate_token(token, db)
+        
+        if not user:
+            return HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Invalid authentication credentials",
+                headers={"WWW-Authenticate": "Bearer"},
+            )
+        
+        # Attach user to request state
+        request.state.user = user
+        
+        # Continue with the request
+        return await call_next(request)

app/models/__init__.py

@@ -0,0 +1,4 @@
+"""Models package."""
+from app.models.user import User
+
+__all__ = ["User"]

app/models/user.py

@@ -0,0 +1,18 @@
+"""User model module."""
+from sqlalchemy import Boolean, Column, Integer, String
+from sqlalchemy.orm import relationship
+
+from app.db.base import Base
+
+
+class User(Base):
+    """User model representing registered users in the system."""
+
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    email = Column(String, unique=True, index=True, nullable=False)
+    hashed_password = Column(String, nullable=False)
+    full_name = Column(String, nullable=True)
+    is_active = Column(Boolean, default=True, nullable=False)
+    is_superuser = Column(Boolean, default=False, nullable=False)

app/schemas/__init__.py

@@ -0,0 +1,5 @@
+"""Schemas package."""
+from app.schemas.token import Token, TokenPayload
+from app.schemas.user import User, UserCreate, UserInDB, UserUpdate
+
+__all__ = ["User", "UserCreate", "UserInDB", "UserUpdate", "Token", "TokenPayload"]

app/schemas/token.py

@@ -0,0 +1,17 @@
+"""Token schema module."""
+from typing import Optional
+
+from pydantic import BaseModel
+
+
+class Token(BaseModel):
+    """Token schema."""
+
+    access_token: str
+    token_type: str
+
+
+class TokenPayload(BaseModel):
+    """Token payload schema."""
+
+    sub: Optional[int] = None

app/schemas/user.py

@@ -0,0 +1,48 @@
+"""User schema module."""
+from typing import Optional
+
+from pydantic import BaseModel, EmailStr, Field
+
+
+class UserBase(BaseModel):
+    """Base user schema with common attributes."""
+
+    email: EmailStr
+    full_name: Optional[str] = None
+    is_active: bool = True
+    is_superuser: bool = False
+
+
+class UserCreate(UserBase):
+    """User creation schema."""
+
+    password: str = Field(..., min_length=8)
+
+
+class UserUpdate(UserBase):
+    """User update schema."""
+
+    password: Optional[str] = Field(None, min_length=8)
+
+
+class UserInDBBase(UserBase):
+    """Base schema for users in the database."""
+
+    id: int
+
+    class Config:
+        """Pydantic configuration."""
+
+        from_attributes = True
+
+
+class User(UserInDBBase):
+    """User schema returned from API calls."""
+
+    pass
+
+
+class UserInDB(UserInDBBase):
+    """User schema with hashed password."""
+
+    hashed_password: str

main.py

@@ -0,0 +1,57 @@
+"""Main application entry point."""
+import uvicorn
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from starlette.responses import JSONResponse
+
+from app.api.v1.router import api_router
+from app.core.config import settings
+
+app = FastAPI(
+    title=settings.PROJECT_NAME,
+    description=settings.PROJECT_DESCRIPTION,
+    version=settings.VERSION,
+    openapi_url="/openapi.json",
+    docs_url="/docs",
+    redoc_url="/redoc",
+)
+
+# Add CORS middleware
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Include API router
+app.include_router(api_router, prefix="/api/v1")
+
+
+@app.get("/", tags=["Root"])
+async def root():
+    """Root endpoint returning service information."""
+    return JSONResponse(
+        {
+            "name": settings.PROJECT_NAME,
+            "version": settings.VERSION,
+            "documentation": "/docs",
+            "health": "/health",
+        }
+    )
+
+
+@app.get("/health", tags=["Health"])
+async def health_check():
+    """Health check endpoint."""
+    return JSONResponse({"status": "healthy"})
+
+
+if __name__ == "__main__":
+    uvicorn.run(
+        "main:app",
+        host=settings.HOST,
+        port=settings.PORT,
+        reload=settings.DEBUG,
+    )

migrations/env.py

@@ -0,0 +1,87 @@
+import sys
+from logging.config import fileConfig
+from pathlib import Path
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+# Add the parent directory to sys.path
+sys.path.append(str(Path(__file__).parent.parent))
+
+# Import the SQLAlchemy base from app/db/base.py
+from app.db.base import Base
+from app.models import User  # noqa
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = Base.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        is_sqlite = connection.dialect.name == 'sqlite'
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            render_as_batch=is_sqlite,  # Enable batch mode for SQLite
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

migrations/script.py.mako

@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

migrations/versions/1b35ba5b0d34_create_users_table.py

@@ -0,0 +1,43 @@
+"""create users table
+
+Revision ID: 1b35ba5b0d34
+Revises: 
+Create Date: 2023-09-25 10:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '1b35ba5b0d34'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Create users table
+    op.create_table(
+        'users',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('email', sa.String(), nullable=False),
+        sa.Column('hashed_password', sa.String(), nullable=False),
+        sa.Column('full_name', sa.String(), nullable=True),
+        sa.Column('is_active', sa.Boolean(), nullable=False, default=True),
+        sa.Column('is_superuser', sa.Boolean(), nullable=False, default=False),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.Column('updated_at', sa.DateTime(), nullable=False),
+        sa.PrimaryKeyConstraint('id'),
+    )
+    # Create indexes
+    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
+    op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
+
+
+def downgrade():
+    # Drop indexes
+    op.drop_index(op.f('ix_users_id'), table_name='users')
+    op.drop_index(op.f('ix_users_email'), table_name='users')
+    # Drop table
+    op.drop_table('users')

requirements.txt

@@ -0,0 +1,12 @@
+fastapi>=0.103.1,<0.104.0
+uvicorn>=0.23.2,<0.24.0
+sqlalchemy>=2.0.21,<2.1.0
+pydantic>=2.4.2,<2.5.0
+pydantic-settings>=2.0.3,<2.1.0
+alembic>=1.12.0,<1.13.0
+python-jose[cryptography]>=3.3.0,<3.4.0
+passlib[bcrypt]>=1.7.4,<1.8.0
+python-multipart>=0.0.6,<0.1.0
+ruff>=0.0.290,<0.1.0
+email-validator>=2.0.0,<2.1.0
+pathlib>=1.0.1,<1.1.0