refactor(database): re-structure

app/database/auth.py

@@ -0,0 +1,26 @@
+# ruff: noqa: I002
+from datetime import datetime
+from typing import TYPE_CHECKING
+
+from sqlalchemy import Column, DateTime
+from sqlmodel import Field, Relationship, SQLModel
+
+if TYPE_CHECKING:
+    from .user import User
+
+
+class OAuthToken(SQLModel, table=True):
+    __tablename__ = "oauth_tokens"  # pyright: ignore[reportAssignmentType]
+
+    id: int | None = Field(default=None, primary_key=True, index=True)
+    user_id: int = Field(foreign_key="users.id")
+    access_token: str = Field(max_length=500, unique=True)
+    refresh_token: str = Field(max_length=500, unique=True)
+    token_type: str = Field(default="Bearer", max_length=20)
+    scope: str = Field(default="*", max_length=100)
+    expires_at: datetime = Field(sa_column=Column(DateTime))
+    created_at: datetime = Field(
+        default_factory=datetime.utcnow, sa_column=Column(DateTime)
+    )
+
+    user: "User" = Relationship()