move app to gatehouse-app

gatehouse_app/models/base.py

@@ -0,0 +1,73 @@
+"""Base model with common fields and functionality."""
+import uuid
+from datetime import datetime, timezone
+from gatehouse_app.extensions import db
+
+
+class BaseModel(db.Model):
+    """Base model class with common fields."""
+
+    __abstract__ = True
+
+    id = db.Column(
+        db.String(36),
+        primary_key=True,
+        default=lambda: str(uuid.uuid4()),
+        unique=True,
+        nullable=False,
+    )
+    created_at = db.Column(db.DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
+    updated_at = db.Column(
+        db.DateTime, nullable=False, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc)
+    )
+    deleted_at = db.Column(db.DateTime, nullable=True)
+
+    def save(self):
+        """Save the model instance to database."""
+        db.session.add(self)
+        db.session.commit()
+        return self
+
+    def delete(self, soft=True):
+        """
+        Delete the model instance.
+
+        Args:
+            soft: If True, performs soft delete. If False, hard delete.
+        """
+        if soft:
+            self.deleted_at = datetime.now(timezone.utc)
+            db.session.commit()
+        else:
+            db.session.delete(self)
+            db.session.commit()
+
+    def update(self, **kwargs):
+        """Update model fields."""
+        for key, value in kwargs.items():
+            if hasattr(self, key):
+                setattr(self, key, value)
+        self.updated_at = datetime.now(timezone.utc)
+        db.session.commit()
+        return self
+
+    def to_dict(self, exclude=None):
+        """
+        Convert model to dictionary.
+
+        Args:
+            exclude: List of fields to exclude from output
+
+        Returns:
+            Dictionary representation of the model
+        """
+        exclude = exclude or []
+        result = {}
+        for column in self.__table__.columns:
+            if column.name not in exclude:
+                value = getattr(self, column.name)
+                if isinstance(value, datetime):
+                    result[column.name] = value.isoformat()
+                else:
+                    result[column.name] = value
+        return result