feat(notification): support notification

app/database/notification.py

@@ -0,0 +1,73 @@
+from datetime import UTC, datetime
+from typing import Any
+
+from app.models.notification import NotificationDetail, NotificationName
+
+from sqlmodel import (
+    JSON,
+    BigInteger,
+    Column,
+    DateTime,
+    Field,
+    ForeignKey,
+    Relationship,
+    SQLModel,
+)
+from sqlmodel.ext.asyncio.session import AsyncSession
+
+
+class Notification(SQLModel, table=True):
+    __tablename__ = "notifications"  # pyright: ignore[reportAssignmentType]
+
+    id: int = Field(primary_key=True, index=True, default=None)
+    name: NotificationName = Field(index=True)
+    category: str = Field(max_length=255, index=True)
+    created_at: datetime = Field(sa_column=Column(DateTime))
+    object_type: str = Field(index=True)
+    object_id: int = Field(sa_column=Column(BigInteger, index=True))
+    source_user_id: int = Field(index=True)
+    details: dict[str, Any] = Field(default_factory=dict, sa_column=Column(JSON))
+
+
+class UserNotification(SQLModel, table=True):
+    __tablename__ = "user_notifications"  # pyright: ignore[reportAssignmentType]
+    id: int = Field(
+        sa_column=Column(
+            BigInteger,
+            primary_key=True,
+            index=True,
+        ),
+        default=None,
+    )
+    notification_id: int = Field(index=True, foreign_key="notifications.id")
+    user_id: int = Field(
+        sa_column=Column(BigInteger, ForeignKey("lazer_users.id"), index=True)
+    )
+    is_read: bool = Field(index=True)
+
+    notification: Notification = Relationship(sa_relationship_kwargs={"lazy": "joined"})
+
+
+async def insert_notification(session: AsyncSession, detail: NotificationDetail):
+    notification = Notification(
+        name=detail.name,
+        category=detail.name.category,
+        object_type=detail.object_type,
+        object_id=detail.object_id,
+        source_user_id=detail.source_user_id,
+        details=detail.model_dump(),
+        created_at=datetime.now(UTC),
+    )
+    session.add(notification)
+    await session.commit()
+    await session.refresh(notification)
+    id_ = notification.id
+    for receiver in await detail.get_receivers(session):
+        user_notification = UserNotification(
+            notification_id=id_,
+            user_id=receiver,
+            is_read=False,
+        )
+        session.add(user_notification)
+    await session.commit()
+    return id_