Add 3 roles, settings for marathons

backend/app/models/user.py

@@ -1,10 +1,16 @@
 from datetime import datetime
+from enum import Enum
 from sqlalchemy import String, BigInteger, DateTime
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from app.core.database import Base
 
 
+class UserRole(str, Enum):
+    USER = "user"
+    ADMIN = "admin"
+
+
 class User(Base):
     __tablename__ = "users"
 
@@ -15,19 +21,36 @@ class User(Base):
     avatar_path: Mapped[str | None] = mapped_column(String(500), nullable=True)
     telegram_id: Mapped[int | None] = mapped_column(BigInteger, unique=True, nullable=True)
     telegram_username: Mapped[str | None] = mapped_column(String(50), nullable=True)
+    role: Mapped[str] = mapped_column(String(20), default=UserRole.USER.value)
     created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
 
     # Relationships
-    organized_marathons: Mapped[list["Marathon"]] = relationship(
+    created_marathons: Mapped[list["Marathon"]] = relationship(
         "Marathon",
-        back_populates="organizer",
-        foreign_keys="Marathon.organizer_id"
+        back_populates="creator",
+        foreign_keys="Marathon.creator_id"
     )
     participations: Mapped[list["Participant"]] = relationship(
         "Participant",
         back_populates="user"
     )
-    added_games: Mapped[list["Game"]] = relationship(
+    proposed_games: Mapped[list["Game"]] = relationship(
         "Game",
-        back_populates="added_by_user"
+        back_populates="proposed_by",
+        foreign_keys="Game.proposed_by_id"
     )
+    approved_games: Mapped[list["Game"]] = relationship(
+        "Game",
+        back_populates="approved_by",
+        foreign_keys="Game.approved_by_id"
+    )
+
+    @property
+    def is_admin(self) -> bool:
+        return self.role == UserRole.ADMIN.value
+
+    @property
+    def avatar_url(self) -> str | None:
+        if self.avatar_path:
+            return f"/uploads/avatars/{self.avatar_path.split('/')[-1]}"
+        return None