首个可运行的版本

2026-06-12 23:14:12 +08:00
commit b3d90c65f8
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+"""用户模型"""
+
+from datetime import datetime, timezone
+
+from sqlalchemy import String, Boolean, DateTime, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True)
+    username: Mapped[str] = mapped_column(String(50), unique=True, nullable=False, index=True)
+    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False, index=True)
+    password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
+    avatar_url: Mapped[str | None] = mapped_column(String(500), nullable=True)
+    bio: Mapped[str | None] = mapped_column(String(200), nullable=True)
+    status: Mapped[str] = mapped_column(String(20), default="offline")  # online/offline/away
+    is_admin: Mapped[bool] = mapped_column(Boolean, default=False)
+    is_banned: Mapped[bool] = mapped_column(Boolean, default=False)
+    banned_reason: Mapped[str | None] = mapped_column(String(500), nullable=True)
+    last_seen_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=lambda: datetime.utcnow())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime,
+        default=lambda: datetime.utcnow(),
+        onupdate=lambda: datetime.utcnow(),
+    )
+
+    # 关系
+    sent_messages = relationship("Message", back_populates="sender", foreign_keys="Message.sender_id")
+    conversations = relationship("ConversationMember", back_populates="user")
+    friends = relationship("Friend", foreign_keys="Friend.user_id", back_populates="user")
+    friend_of = relationship("Friend", foreign_keys="Friend.friend_user_id", back_populates="friend_user")
+    sent_requests = relationship("FriendRequest", foreign_keys="FriendRequest.from_user_id", back_populates="from_user")
+    received_requests = relationship("FriendRequest", foreign_keys="FriendRequest.to_user_id", back_populates="to_user")