feat: Addition of authentication and user management systems

.env.sample

@@ -28,7 +28,7 @@ DEBUG=True
 APP_TITLE=MokPyo
 APP_VERSION=1.0.0
 APP_DESCRIPTION=MokPyo
-APP_DOMAIN=localhost
+APP_DOMAIN=localhost # change in production with your domain (ex: mokpyo.com)
 
 # =========================
 # SERVER CONFIGURATION
@@ -49,6 +49,10 @@ ACCESS_TOKEN_EXPIRE_MINUTES=30
 # Algorithme de chiffrement JWT
 ALGORITHM=HS256
 
+# Use SSL (True/False)
+# You need to set USE_SSL=True if you use HTTPS
+USE_SSL=False
+
 # =========================
 # EMAIL / VALIDATION
 # =========================

app/__main__.py

@@ -4,16 +4,76 @@ Entrypoint pour lancer l'application en dev.
 Usage:
     python3 -m app
 """
-
+import argparse
 import uvicorn
 from app.main import app
 from app.core.config import settings
 
+def build_parser() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(
+        description="MokPyo API",
+    )
+
+    # Option booléenne (type flag)
+    parser.add_argument(
+        "--init-db",
+        action="store_true",
+        help="Initialiser la base de données. Première exécution uniquement."
+    )
+
+    parser.add_argument(
+        "--reset",
+        action="store_true",
+        help="Vide les tables de la base de données (lignes uniquement). Pas besoin de --init-db au prochain lancement."
+    )
+
+    
+    parser.add_argument(
+        "--clear", 
+        action="store_true",
+        help="Vide la base de données (lignes et tables). besoin de --init-db au prochain lancement."
+    )
+
+    parser.add_argument(
+        "--host",
+        type=str,
+        default=settings.HOST,
+        help="Host sur lequel l'application va tourner. Override le host de configuration."
+    )
+
+    parser.add_argument(
+        "--port",
+        type=int,
+        default=settings.PORT,
+        help="Port sur lequel l'application va tourner. Override le port de configuration."
+    )
+
+    return parser
+
 if __name__ == "__main__":
+
+    parser = build_parser()
+    args = parser.parse_args()
+
+    if args.init_db:
+        from app.db.utils import init_db
+        init_db()
+        exit()
+
+    if args.reset:
+        from app.db.utils import reset_db
+        reset_db()
+        exit()
+
+    if args.clear:
+        from app.db.utils import clear_db
+        clear_db()
+        exit()
+
     uvicorn.run(
         "app.main:app",
-        host=settings.HOST,
+        host=args.host,
-        port=settings.PORT,
+        port=args.port,
         reload=settings.ENV == "dev",
         log_level=settings.LOG_LEVEL.lower(),
     )

app/api/v1/__init__.py

@@ -4,7 +4,6 @@ API v1 package for MokPyo application.
 - Central router for version 1 of the API
 """
 
-from fastapi import APIRouter
 from .endpoints import router as v1_router
 
 __version__ = "1.0.0"

app/api/v1/endpoints.py

@@ -1,15 +0,0 @@
-from fastapi import APIRouter, Depends, HTTPException, status
-from sqlalchemy.orm import Session
-from app.core import settings, get_current_user, hash_password, verify_password
-from app.db import get_db
-from pathlib import Path
-
-router = APIRouter()
-
-
-# =========================
-# TEST / PING
-# =========================
-@router.get("/ping", tags=["Test"])
-def ping():
-    return {"message": "pong"}

app/api/v1/endpoints/__init__.py

@@ -0,0 +1,11 @@
+from fastapi import APIRouter
+
+router = APIRouter()
+
+from .user import router as user_router
+from .auth import router as auth_router
+
+router.include_router(user_router, prefix="/users")
+router.include_router(auth_router, prefix="/auth")
+
+ 

app/api/v1/endpoints/auth.py

@@ -0,0 +1,68 @@
+from fastapi import APIRouter, Depends, HTTPException, status, Response
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.core import settings
+from app.core.security import (
+    verify_password,
+    create_access_token,
+    set_auth_cookie,
+)
+
+from app.db import get_async_db
+from app.db.models import User
+
+from app.api.v1.schemas import TokenRequest, TokenResponse
+
+
+router = APIRouter()
+
+
+# ------------------------
+# Authentication
+# ------------------------
+
+@router.post(
+    "/login",
+    response_model=TokenResponse,
+    status_code=status.HTTP_200_OK,
+    tags=["Authentication"]
+)
+async def get_token(payload: TokenRequest, response: Response, db: Session = Depends(get_async_db)):
+    result = await db.execute(select(User).where(User.username == payload.username))
+    user = result.scalar_one_or_none()
+    if not user or not verify_password(payload.password, user.hashed_password):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid crendentials",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    
+    access_token = create_access_token(
+        data = {"sub": str(user.id)}
+    )
+
+    set_auth_cookie(
+        response,
+        token=access_token,
+        max_age=settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60
+    )
+
+    return {"access_token": access_token}
+
+
+@router.post(
+    "/logout",
+    status_code=status.HTTP_200_OK,
+    tags=["Authentication"],
+)
+def logout(response: Response) -> dict:
+    response.delete_cookie(
+        key="access_token",
+        path="/",               # même chemin que lors du set_cookie
+        httponly=True,
+        samesite="lax" if settings.ENV == "dev" else "strict",
+        secure=settings.USE_SSL,          # mettre True en prod sur HTTPS
+    )
+    return {"detail": "Logged out successfully"}

app/api/v1/endpoints/user.py

@@ -0,0 +1,194 @@
+from fastapi import APIRouter, Depends, HTTPException, status, Response, Request
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.core import settings
+from app.core.security import (
+    hash_password,
+    get_token_payload,
+    get_current_user,
+    get_cookie_token,
+    verify_password,
+    create_access_token,
+    set_auth_cookie,
+)
+
+from app.db import get_async_db
+from app.db.models import User
+
+from app.api.v1.schemas import UserCreate, UserRead
+
+
+router = APIRouter()
+
+
+# ------------------------
+# User
+# ------------------------
+
+@router.post(
+    "/new", 
+    response_model=UserRead, 
+    status_code=status.HTTP_201_CREATED, 
+    tags=["Users"]
+)
+async def register_user(user_in: UserCreate, response: Response, db: Session = Depends(get_async_db)):
+
+    result = await db.execute(select(User).where(User.email == user_in.email))
+    if result.scalar_one_or_none():
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST, 
+            detail="Email already registered"
+        )
+    result = await db.execute(select(User).where(User.username == user_in.username))
+    if result.scalar_one_or_none():
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST, 
+            detail="Username already registered"
+        )
+    
+    user = User(
+        username=user_in.username,
+        email=user_in.email,
+        hashed_password=hash_password(user_in.password),
+
+        stats = "{}"
+    )
+    db.add(user)
+    await db.commit()
+    await db.refresh(user)
+    
+    access_token = create_access_token(
+        data = {"sub": str(user.id)}
+    )
+
+    set_auth_cookie(
+        response,
+        token=access_token,
+        max_age=settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60
+    )
+    
+    return UserRead.model_validate(user)
+
+
+@router.get(
+    "/me",
+    response_model=UserRead,
+    status_code=status.HTTP_200_OK,
+    tags=["Users"]
+)
+async def get_user(payload: dict = Depends(get_token_payload), db: Session = Depends(get_async_db)):
+    user_id = payload.get('sub')
+    if not user_id:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid token payload"
+        )
+    
+    result = await db.execute(select(User).where(User.id == int(user_id)))
+    user = result.scalar_one_or_none()
+
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found",
+        )
+    
+    return UserRead.model_validate(user)
+
+
+@router.put(
+    "/me",
+    response_model=UserRead,
+    status_code=status.HTTP_200_OK,
+    tags=["Users"]
+)
+async def update_user(user_in: UserCreate, payload: dict = Depends(get_token_payload), db: Session = Depends(get_async_db)):
+    user_id = payload.get('sub')
+    if not user_id:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid token payload"
+        )
+    
+    result = await db.execute(select(User).where(User.id == int(user_id)))
+    user = result.scalar_one_or_none()
+
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found",
+        )
+    
+    if user_in.email != user.email:
+        result = await db.execute(select(User).where(
+            (User.email == user_in.email)
+        ))
+        if result.scalar_one_or_none():
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST, 
+                detail="Email or username already registered"
+            )
+    
+    if user_in.username != user.username:
+        result = await db.execute(select(User).where(
+            (User.username == user_in.username)
+        ))
+        if result.scalar_one_or_none():
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST, 
+                detail="Email or username already registered"
+            )
+
+    user.username = user_in.username
+    user.email = user_in.email
+    user.hashed_password = hash_password(user_in.password)
+
+    await db.commit()
+    await db.refresh(user)
+
+    return UserRead.model_validate(user)
+
+
+@router.delete(
+    "/me",
+    status_code=status.HTTP_200_OK,
+    tags=['Users']
+)
+async def delete_user(payload: dict = Depends(get_token_payload), db: Session = Depends(get_async_db)):
+    user_id = payload.get('sub')
+    if not user_id:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid token payload"
+        )
+    
+    result = await db.execute(select(User).where(User.id == int(user_id)))
+    user = result.scalar_one_or_none()
+
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found",
+        )
+    
+    await db.delete(user)
+    await db.commit()
+
+    response = Response()
+    response.delete_cookie(
+        key="access_token",
+        path="/",               # mesmo chemin que lors du set_cookie
+        httponly=True,
+        samesite="lax" if settings.ENV == "dev" else "strict",
+        secure=settings.USE_SSL,          # mettre True en prod sur HTTPS
+    )
+
+    return response
+
+
+
+
+
+

app/api/v1/schemas/__init__.py

@@ -0,0 +1,8 @@
+"""
+API v1 schemas package for MokPyo application.
+
+- Central access point for v1 API schemas
+"""
+
+from .user import UserCreate, UserRead
+from .token import TokenRequest, TokenResponse

app/api/v1/schemas/token.py

@@ -0,0 +1,21 @@
+from pydantic import BaseModel, Field, field_validator
+
+
+# ----------------------------------------------------------------------
+# Token
+# ----------------------------------------------------------------------
+class TokenRequest(BaseModel):
+    username: str = Field(..., min_length=3, max_length=30)
+    password: str
+
+    @field_validator("username")
+    def all_allowed_chars(cls, v):
+        for v_char in v:
+            if not v_char in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_":
+                raise ValueError("username can only contain a-z, A-Z, 0-9 and _")
+        return v
+
+
+class TokenResponse(BaseModel):
+    access_token: str
+    token_type: str = "bearer"

app/api/v1/schemas/user.py

@@ -0,0 +1,27 @@
+from pydantic import BaseModel, Field, EmailStr, field_validator
+
+
+# ----------------------------------------------------------------------
+# User
+# ----------------------------------------------------------------------
+class UserCreate(BaseModel):
+    username: str = Field(..., min_length=3, max_length=30)
+    email: EmailStr
+    password: str = Field(..., min_length=8)
+
+    @field_validator("username")
+    def all_allowed_chars(cls, v):
+        for v_char in v:
+            if not v_char in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_":
+                raise ValueError("username can only contain a-z, A-Z, 0-9 and _")
+        return v
+    
+
+class UserRead(BaseModel):
+    id: int
+    username: str
+    email: EmailStr
+    stats: str
+
+    class Config:
+        from_attributes = True

app/core/config.py

@@ -15,7 +15,6 @@ class Settings(BaseSettings):
     DATABASE_USER: str
     DATABASE_PASSWORD: str
     DATABASE_NAME: str
-    DATABASE_DRIVER: str
 
     # =========================
     # FASTAPI
@@ -40,6 +39,7 @@ class Settings(BaseSettings):
     SECRET_KEY: str
     ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
     ALGORITHM: str = "HS256"
+    USE_SSL: bool = False
 
     # =========================
     # EMAIL (optionnel)
@@ -70,6 +70,10 @@ class Settings(BaseSettings):
     def database_url(self) -> str:
         return f"mysql+<driver>://{self.DATABASE_USER}:{self.DATABASE_PASSWORD}@{self.DATABASE_HOST}:{self.DATABASE_PORT}/{self.DATABASE_NAME}"
 
+    @property
+    def app_url(self) -> str:
+        return f"{'https' if settings.USE_SSL else 'http'}://{settings.APP_DOMAIN}{':' + str(settings.PORT) if (settings.PORT != 80 and settings.ENV == 'dev') else ''}"
+
     @property
     def access_token_expire(self) -> timedelta:
         return timedelta(minutes=self.ACCESS_TOKEN_EXPIRE_MINUTES)

app/core/security.py

@@ -25,12 +25,12 @@ def verify_password(plain_password: str, hashed_password: str) -> bool:
 # =========================
 # JWT TOKEN MANAGEMENT
 # =========================
-oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/token")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login")
 
 def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
     """Create a JWT access token."""
     to_encode = data.copy()
-    expire = datetime.utcnow() + (expires_delta or timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES))
+    expire = datetime.now() + (expires_delta or timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES))
     to_encode.update({"exp": expire})
     encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
     return encoded_jwt
@@ -46,7 +46,7 @@ def decode_access_token(token: str) -> dict:
 # =========================
 # DEPENDENCIES FASTAPI
 # =========================
-async def get_current_user(token: str = Depends(oauth2_scheme)) -> dict:
+def get_current_user(token: str) -> dict:
     """Get current user from JWT token."""
     payload = decode_access_token(token)
     user_id: Any = payload.get("sub")
@@ -54,6 +54,12 @@ async def get_current_user(token: str = Depends(oauth2_scheme)) -> dict:
         raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token payload")
     return payload
 
+async def get_token_payload(request: Request) -> dict:
+    token = get_cookie_token(request)
+    if not token:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Not authenticated")
+    return get_current_user(token)
+
 # =========================
 # COOKIE MANAGEMENT (optionnel)
 # =========================
@@ -64,8 +70,8 @@ def set_auth_cookie(response: Response, token: str, max_age: int = 3600):
         value=f"Bearer {token}",
         httponly=True,
         max_age=max_age,
-        samesite="lax",
+        samesite="lax" if settings.ENV == "dev" else "strict",
-        secure=False,  # True si HTTPS
+        secure=settings.USE_SSL,  # True si HTTPS
     )
 
 def get_cookie_token(request: Request) -> Optional[str]:

app/db/__init__.py

@@ -8,4 +8,4 @@ __version__ = "1.0.0"
 
 from .engine import engine, async_engine
 from .session import SessionLocal, AsyncSessionLocal, get_db, get_async_db
-from .models import Base
+from .models import *

app/db/models.py

@@ -1,90 +1,134 @@
-from datetime import date
 from sqlalchemy import (
-    sa,
+    Column,
-    Column, 
+    Integer,
-    Integer, 
+    String,
-    String, 
+    Text,
     Boolean,
     Date,
+    DateTime,
+    Time,
     Enum,
-    ForeignKey
+    ForeignKey,
+    text,
 )
 from sqlalchemy.orm import DeclarativeBase, relationship
 
-
+# ----------------------------------------------------------------------
+# Base class
+# ----------------------------------------------------------------------
 class Base(DeclarativeBase):
     pass
 
 
+# ----------------------------------------------------------------------
+# User
+# ----------------------------------------------------------------------
 class User(Base):
     __tablename__ = "users"
 
-    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
-    email = Column(String, unique=True, index=True)
+    email = Column(String(255), nullable=False, unique=True, index=True)
-    username = Column(String, unique=True, index=True)
+    username = Column(String(150), nullable=False, unique=True, index=True)
-    hashed_password = Column(String)
+    hashed_password = Column(String(255), nullable=False)
-    stats = Column(String)
-    is_active = Column(Boolean, default=True)
 
-    tasks = relationship("Item", back_populates="owner")
+    # JSON est idéal pour stocker un dict, sinon utilise String + server_default
-    events = relationship("Event", back_populates="owner")
+    stats = Column(Text, nullable=False)
-    goals = relationship("Goal", back_populates="owner")
+
-    sub_goals = relationship("SubGoal", back_populates="owner")
+    # bool → TINYINT(1) avec server_default
-    notes = relationship("Note", back_populates="owner")
+    is_active = Column(Boolean, nullable=False, server_default=text("1"))
+
+    # Relations
+    tasks = relationship("Task", back_populates="owner", cascade="all, delete-orphan")
+    events = relationship("Event", back_populates="owner", cascade="all, delete-orphan")
+    goals = relationship("Goal", back_populates="owner", cascade="all, delete-orphan")
+    sub_goals = relationship("SubGoal", back_populates="owner", cascade="all, delete-orphan")
+    notes = relationship("Note", back_populates="owner", cascade="all, delete-orphan")
 
 
+# ----------------------------------------------------------------------
+# Task
+# ----------------------------------------------------------------------
 class Task(Base):
     __tablename__ = "tasks"
 
-    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
-    description = Column(String, index=True, nullable=False)
+    description = Column(String(255), nullable=False, index=True)
-    frequency = Column(Integer, default=4223, nullable=False)
+    frequency = Column(Integer, nullable=False,
+                       server_default=text("4223"))          # valeur par défaut côté serveur
     reward = Column(Integer, nullable=True)
-    goal_id = Column(Integer, ForeignKey("goals.id"), default=None, nullable=True)
+
+    goal_id = Column(Integer, ForeignKey("goals.id"), nullable=True)
     owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
 
-    start_date = Column(Date, server_default=sa.text("CURRENT_DATE"), nullable=False)
+    start_date = Column(Date, nullable=False)
     next_date = Column(Date, nullable=True)
 
     owner = relationship("User", back_populates="tasks")
     goal = relationship("Goal", back_populates="tasks")
 
 
+# ----------------------------------------------------------------------
+# Event
+# ----------------------------------------------------------------------
 class Event(Base):
     __tablename__ = "events"
 
-    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
-    name = Column(String, index=True, nullable=False)
+    name = Column(String(255), nullable=False, index=True)          # texte court → String
-    description = Column(String, index=True, nullable=True)
+    description = Column(String(255), nullable=True, index=True)
-    frequency = Column(Integer, default=4223, nullable=False)
+    frequency = Column(Integer, nullable=False, server_default=text("4223"))
-    owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    start_time = Column(Time, nullable=False)
+    end_time = Column(Time, nullable=False)
 
+    owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
     owner = relationship("User", back_populates="events")
 
 
+# ----------------------------------------------------------------------
+# Goal
+# ----------------------------------------------------------------------
 class Goal(Base):
     __tablename__ = "goals"
 
-    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
-    title = Column(String, index=True, nullable=False)
+    title = Column(String(255), nullable=False, index=True)
-    description = Column(String, index=True, nullable=True)
+    description = Column(Text, nullable=True)
-    state = Column(Enum("in_progress", "successful", "failed", "aborted"), default="in_progress", nullable=False)
+
+    # Enum avec nom explicite
+    state = Column(
+        Enum("in_progress", "successful", "failed", "aborted",
+             name="goal_state"),
+        nullable=False,
+        server_default=text("'in_progress'")
+    )
+
     owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
 
-    tasks = relationship("Task", back_populates="goal")
+    tasks = relationship("Task", back_populates="goal", cascade="all, delete-orphan")
-    notes = relationship("Note", back_populates="goal")
+    notes = relationship("Note", back_populates="goal", cascade="all, delete-orphan")
-    sub_goals = relationship("SubGoal", back_populates="goal")
+    sub_goals = relationship("SubGoal", back_populates="goal", cascade="all, delete-orphan")
     owner = relationship("User", back_populates="goals")
 
 
+# ----------------------------------------------------------------------
+# SubGoal
+# ----------------------------------------------------------------------
 class SubGoal(Base):
     __tablename__ = "sub_goals"
 
-    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
-    title = Column(String, index=True, nullable=False)
+    title = Column(String(255), nullable=False, index=True)
-    description = Column(String, index=True, nullable=True)
+    description = Column(Text, nullable=True)
-    state = Column(Enum("in_progress", "successful", "failed", "aborted"), default="in_progress", nullable=False)
+
+    state = Column(
+        Enum("in_progress", "successful", "failed", "aborted",
+             name="subgoal_state"),
+        nullable=False,
+        server_default=text("'in_progress'")
+    )
+
     reward = Column(Integer, nullable=True)
+
     goal_id = Column(Integer, ForeignKey("goals.id"), nullable=False)
     owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
 
@@ -92,19 +136,26 @@ class SubGoal(Base):
     owner = relationship("User", back_populates="sub_goals")
 
 
+# ----------------------------------------------------------------------
+# Note
+# ----------------------------------------------------------------------
 class Note(Base):
     __tablename__ = "notes"
 
-    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
-    title = Column(String, index=True, nullable=False)
+    title = Column(String(255), nullable=False, index=True)
-    description = Column(String, index=True, nullable=True)
+    description = Column(Text, nullable=True)
-    content = Column(String, index=True, nullable=True)
+    content = Column(Text, nullable=True)
+
     goal_id = Column(Integer, ForeignKey("goals.id"), nullable=True)
     owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
 
-    created_at = Column(Date, server_default=sa.text("CURRENT_DATE"), nullable=False)
+    created_at = Column(DateTime, nullable=False)
-    updated_at = Column(Date, server_default=sa.text("CURRENT_DATE"), nullable=False)
+    updated_at = Column(DateTime, nullable=False)
 
     goal = relationship("Goal", back_populates="notes")
     owner = relationship("User", back_populates="notes")
 
+
+# --------------------------------------------------------------
+__all__ = ["Base", "User", "Task", "Event", "Goal", "SubGoal", "Note"]

app/db/utils.py

@@ -0,0 +1,49 @@
+from app.db.engine import engine
+from app.db.session import SessionLocal
+from app.db.models import *
+from app.core.config import settings
+
+def init_db():
+    try:
+        if settings.DEBUG:
+            print("Creating database tables...")
+        Base.metadata.create_all(bind=engine)
+        if settings.DEBUG:
+            print("Database tables created.")
+    except Exception as e:
+        print(f"Error creating database tables: {e}")
+        raise
+    finally:
+        if settings.DEBUG:
+            print("Tables :", Base.metadata.tables.keys())
+
+
+def clear_db():
+    try:
+        if settings.DEBUG:
+            print("Deleting database tables...")
+        Base.metadata.drop_all(bind=engine)
+        if settings.DEBUG:
+            print("Database tables deleted.")
+    except Exception as e:
+        print(f"Error deleting database tables: {e}")
+        raise
+
+def reset_db():
+    session = SessionLocal()
+    try:
+        if settings.DEBUG:
+            print("Deleting database rows...")
+        
+        for table in reversed(Base.metadata.sorted_tables):
+            session.execute(table.delete())
+        session.commit()
+
+        if settings.DEBUG:
+            print("Database rows deleted.")
+    except Exception as e:
+        print(f"Error deleting database rows: {e}")
+        raise
+    finally:
+        session.close()
+        

app/main.py

@@ -1,5 +1,6 @@
 from fastapi import FastAPI
 from fastapi.responses import ORJSONResponse, JSONResponse, FileResponse
+from fastapi.middleware.cors import CORSMiddleware
 from fastapi.staticfiles import StaticFiles
 from pathlib import Path
 
@@ -22,6 +23,14 @@ app = FastAPI(
     redoc_url=None if settings.ENV == "prod" else "/redoc",
 )
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=[settings.app_url],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
 # =========================
 # Static files
 # =========================

app/utils/__init__.py

@@ -0,0 +1,11 @@
+"""
+Utils package for MokPyo application.
+
+- Expose utility classes for easy imports
+"""
+
+from .frequency import Frequency, Cron, DayInterval, WeekInterval, MonthInterval, Interval
+
+__all__ = [
+    "Frequency", "Cron", "DayInterval", "WeekInterval", "MonthInterval", "Interval"
+]

app/utils/frequency.py

@@ -0,0 +1,150 @@
+import re
+
+
+class Interval:
+    def __init__(self, unit: str, value: int, exec_day: int = None):
+        if unit not in ["day", "week", "month"]:
+            raise ValueError("unit must be day, week or month")
+        if value < 1 or value > 2**17 - 1:
+            raise ValueError("value must be between 1 and 131071")
+        self.unit = unit
+        self.value = value
+        self.exec_day = exec_day
+
+    def copy(self):
+        return Interval(self.unit, self.value, self.exec_day)
+
+    def __repr__(self):
+        return f"<Interval unit={self.unit} value={self.value} exec_day={self.exec_day}>"
+
+
+class DayInterval(Interval):
+    def __init__(self, value: int):
+        super().__init__("day", value)
+
+
+class WeekInterval(Interval):
+    def __init__(self, value: int, exec_day: int = 1):
+        super().__init__("week", value)
+        if exec_day not in range(1, 8) and exec_day is not None:
+            raise ValueError("exec_day must be between 1 and 7 or None")
+        self.exec_day = exec_day
+
+
+class MonthInterval(Interval):
+    def __init__(self, value: int, exec_day: int = 1):
+        super().__init__("month", value)
+        if exec_day not in range(1, 32) and exec_day is not None:
+            raise ValueError("exec_day must be between 1 and 31 or None")
+        self.exec_day = exec_day
+
+
+class Cron:
+    def __init__(self, days: str, weeks: str, months: str):
+        assert re.fullmatch(r"^(?:\*|[1-7](?:,[1-7])*|(?:1-[2-7]|2-[3-7]|3-[4-7]|4-[5-7]|5-[6-7]|6-7))$", days)
+        assert re.fullmatch(r"^(?:\*|[1-5](?:,[1-5])*|(?:1-[2-5]|2-[3-5]|3-[4-5]|4-5))$", weeks)
+        assert re.fullmatch(r"^(?:\*|(?:[1-9]|1[0-2])(?:,(?:[1-9]|1[0-2]))*|(?:1-(?:[2-9]|1[0-2])|2-(?:[3-9]|1[0-2])|3-(?:[4-9]|1[0-2])|4-(?:[5-9]|1[0-2])|5-(?:[6-9]|1[0-2])|6-(?:[7-9]|1[0-2])|7-(?:[8-9]|1[0-2])|8-(?:9|1[0-2])|9-(1[0-2])|10-(11|12)|11-12))$", months)
+
+        self.days = days
+        self.weeks = weeks
+        self.months = months
+
+    def copy(self):
+        return Cron(self.days, self.weeks, self.months)
+
+    def __repr__(self):
+        return f"<Cron days={self.days} weeks={self.weeks} months={self.months}>"
+
+    def __str__(self):
+        return f"{self.days} {self.weeks} {self.months}"
+
+
+class Frequency:
+    def __init__(self, frequency: Cron | Interval | int):
+        self.data = 0b0
+        self.__model = {"type": None, "instance": None}
+
+        if isinstance(frequency, Cron):
+            self.__model["type"] = Cron
+            self.__model["instance"] = frequency.copy()
+            self.data = 0b1 << 24
+            _bin_days = self.__cron_bin(frequency.days, 7) << 17
+            _bin_weeks = self.__cron_bin(frequency.weeks, 5) << 12
+            _bin_months = self.__cron_bin(frequency.months, 12)
+            self.data |= _bin_days | _bin_weeks | _bin_months
+
+        elif isinstance(frequency, Interval):
+            self.__model["type"] = Interval
+            self.__model["instance"] = frequency.copy()
+            _bin_unit = {"day": 1, "week": 2, "month": 3}[frequency.unit] << 22
+            _bin_value = frequency.value << 5
+            _bin_exec_day = frequency.exec_day if frequency.exec_day is not None else 0b0
+            self.data |= _bin_unit | _bin_value | _bin_exec_day
+
+        elif isinstance(frequency, int):
+            if frequency < 1 or frequency > 2**25 - 1:
+                raise ValueError("frequency must be between 1 and 2**25 - 1")
+            self.data = frequency
+            self.__model = self.__int_model(frequency)
+
+        else:
+            raise ValueError("frequency must be Cron, Interval or int")
+
+    def __cron_bin(self, cron: str, length: int) -> int:
+        _bin = 0b0
+        if cron == "*":
+            _bin |= (1 << length) - 1
+        elif '-' in cron:
+            start, end = map(int, cron.split("-"))
+            for i in range(start, end + 1):
+                _bin |= 1 << (i - 1)
+        else:
+            for i in cron.split(","):
+                _bin |= 1 << (int(i) - 1)
+        return _bin
+
+    def __int_model(self, _int: int):
+        if _int & (1 << 24):  # Cron
+            _days = (_int >> 17) & 0b1111111
+            _weeks = (_int >> 12) & 0b11111
+            _months = _int & 0b111111111111
+
+            days = self.__bin_to_str(_days, 7)
+            weeks = self.__bin_to_str(_weeks, 5)
+            months = self.__bin_to_str(_months, 12)
+
+            return {"type": Cron, "instance": Cron(days, weeks, months)}
+        else:  # Interval
+            _unit = (_int >> 22) & 0b11
+            _value = (_int >> 5) & ((1 << 17) - 1)
+            _exec_day = _int & 0b11111
+            unit = {1: "day", 2: "week", 3: "month"}[_unit]
+            IntervalClass = {"day": DayInterval, "week": WeekInterval, "month": MonthInterval}[unit]
+
+            return {"type": Interval, "instance": IntervalClass(_value, _exec_day or None)}
+
+    def __bin_to_str(self, value: int, length: int) -> str:
+        if value == (1 << length) - 1:
+            return "*"
+
+        nums = [str(i + 1) for i in range(length) if value & (1 << i)]
+        if not nums:
+            return "*"
+        return ",".join(nums)
+
+    def __int__(self):
+        return self.data
+
+    def __len__(self):
+        return len(bin(self.data)[2:])
+
+    def __repr__(self):
+        return str(bin(self.data)[2:].zfill(25))
+
+    __str__ = __repr__
+
+    def to_model(self) -> Cron | Interval:
+        return self.__model.get("instance")
+
+    def get_type(self):
+        return self.__model.get("type")