1 files changed, 19 insertions, 1 deletions

diff --git a/db/models.py b/db/models.py
index e758671..7e0afb0 100644
--- a/db/models.py
+++ b/db/models.py
@@ -1,6 +1,8 @@
+from datetime import datetime, UTC
 from uuid import uuid4, UUID, uuid7
 
-from sqlmodel import SQLModel, Field
+from sqlalchemy import DateTime
+from sqlmodel import SQLModel, Field, Relationship
 from authlib.integrations.sqla_oauth2 import OAuth2ClientMixin, OAuth2AuthorizationCodeMixin, OAuth2TokenMixin
 
 from authentication.utils import bcrypt_sha256_hash
@@ -8,6 +10,19 @@ from authentication.utils import bcrypt_sha256_hash
 
 class BaseModel(SQLModel):
     id: UUID | None = Field(primary_key=True, default_factory=uuid7)
+    created: datetime = Field(
+        default_factory=lambda: datetime.now(tz=UTC),
+        sa_type=DateTime(timezone=True),
+    )
+    updated: datetime = Field(
+        default=None,
+        nullable=True,
+        sa_column_kwargs={
+            'onupdate': lambda: datetime.now(tz=UTC),
+        },
+        sa_type=DateTime(timezone=True),
+    )
+
 
 class User(BaseModel, table=True):
     username: str = Field(unique=True, index=True)
@@ -18,6 +33,9 @@ class User(BaseModel, table=True):
     def set_password(self, value):
         self.password = bcrypt_sha256_hash(value)
 
+class Session(BaseModel, table=True):
+    user_id: UUID = Field(foreign_key='user.id', exclude=True)
+    user: User = Relationship()
 
 class ClientApplication(BaseModel, OAuth2ClientMixin, table=True):
     name: str