first commit

backend/app/services/user_service.py

@@ -0,0 +1,80 @@
+from sqlalchemy.orm import Session
+
+from app.models.user import PasswordResetToken, User
+from app.schemas.user import UserCreate, UserUpdate
+from app.utils.security import hash_password, verify_password
+
+
+def get_user_by_id(db: Session, user_id: int) -> User | None:
+    return db.query(User).filter(User.id == user_id).first()
+
+
+def get_user_by_email(db: Session, email: str) -> User | None:
+    return db.query(User).filter(User.email == email).first()
+
+
+def get_user_by_username(db: Session, username: str) -> User | None:
+    return db.query(User).filter(User.username == username).first()
+
+
+def get_user_by_email_or_username(db: Session, identifier: str) -> User | None:
+    return (
+        db.query(User)
+        .filter((User.email == identifier) | (User.username == identifier))
+        .first()
+    )
+
+
+def create_user(db: Session, data: UserCreate) -> User:
+    user = User(
+        email=data.email.lower(),
+        username=data.username.lower(),
+        full_name=data.full_name,
+        employee_id=data.employee_id,
+        phone=data.phone,
+        occupation=data.occupation,
+        hashed_password=hash_password(data.password),
+    )
+    db.add(user)
+    db.commit()
+    db.refresh(user)
+    return user
+
+
+def update_user(db: Session, user: User, data: UserUpdate) -> User:
+    update_data = data.model_dump(exclude_unset=True)
+    for field, value in update_data.items():
+        setattr(user, field, value)
+    db.commit()
+    db.refresh(user)
+    return user
+
+
+def authenticate_user(db: Session, identifier: str, password: str) -> User | None:
+    user = get_user_by_email_or_username(db, identifier)
+    if user is None or not verify_password(password, user.hashed_password):
+        return None
+    return user
+
+
+def create_password_reset_token(db: Session, user: User, token: str, expires_at) -> PasswordResetToken:
+    reset = PasswordResetToken(user_id=user.id, token=token, expires_at=expires_at)
+    db.add(reset)
+    db.commit()
+    db.refresh(reset)
+    return reset
+
+
+def get_valid_reset_token(db: Session, token: str) -> PasswordResetToken | None:
+    from datetime import UTC, datetime
+
+    reset = (
+        db.query(PasswordResetToken)
+        .filter(
+            PasswordResetToken.token == token,
+            PasswordResetToken.used.is_(False),
+            PasswordResetToken.expires_at > datetime.now(UTC),
+        )
+        .first()
+    )
+    return reset