Implement BaseModel class, TimestampMixin, TzDateTime type; cleanup Task model

tofu_api/models/task.py

@@ -1,25 +1,19 @@
-from sqlalchemy import Column, Integer, String, Text
+from sqlalchemy import Column, String, Text
 
+from tofu_api.common.database import Col
+from tofu_api.common.database.mixins import TimestampMixin
 from .base import BaseModel
 
 
-class Task(BaseModel):
+class Task(TimestampMixin, BaseModel):
     """
     Database model for tasks.
     """
 
-    __tablename__ = 'tasks'
+    __tablename__ = 'task'
 
-    id: int = Column(Integer, nullable=False, primary_key=True)
-    # TODO: created_at, modified_at
+    title: Col[str] = Column(String(255), nullable=False)
+    description: Col[str] = Column(Text, nullable=False, default='')
 
-    title: str = Column(String(255), nullable=False)
-    description: str = Column(Text, nullable=False, default='')
-
-    def to_dict(self) -> dict:
-        # TODO: Implement a generic to_dict() in the base model
-        return {
-            'id': self.id,
-            'title': self.title,
-            'description': self.description,
-        }
+    def __repr__(self):
+        return self._repr(id=self.id, title=self.title)