first commit

app/users/models.py

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+from datetime import datetime
+from typing import TYPE_CHECKING
+
+from sqlalchemy import Boolean, DateTime, String, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database.base import Base
+
+if TYPE_CHECKING:
+    from app.auth.models import EmailVerificationToken, PasswordResetToken
+    from app.chats.models import ChatMember
+    from app.messages.models import Message
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id: Mapped[int] = mapped_column(primary_key=True, index=True)
+    username: Mapped[str] = mapped_column(String(50), unique=True, index=True)
+    email: Mapped[str] = mapped_column(String(255), unique=True, index=True)
+    password_hash: Mapped[str] = mapped_column(String(255))
+    avatar_url: Mapped[str | None] = mapped_column(String(512), nullable=True)
+    email_verified: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False, index=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), nullable=False)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+        nullable=False,
+    )
+
+    memberships: Mapped[list["ChatMember"]] = relationship(back_populates="user", cascade="all, delete-orphan")
+    sent_messages: Mapped[list["Message"]] = relationship(back_populates="sender")
+    email_verification_tokens: Mapped[list["EmailVerificationToken"]] = relationship(
+        back_populates="user",
+        cascade="all, delete-orphan",
+    )
+    password_reset_tokens: Mapped[list["PasswordResetToken"]] = relationship(
+        back_populates="user",
+        cascade="all, delete-orphan",
+    )