Improve filtering, add "move facts"

hamstertools/db.py

@@ -92,6 +92,22 @@ class Activity(BaseORM):
         self.category_name = category_name
         self.facts_count = facts_count
 
+    def move_facts(self, to_activity):
+        cursor = self.db_manager.get_cursor()
+
+        print(f"moving from {self.id} to {to_activity.id}")
+
+        cursor.execute("""
+        UPDATE
+            facts
+        SET
+            activity_id = ?
+        WHERE
+            activity_id = ?
+        """, (to_activity.id, self.id))
+
+        self.conn.commit()
+
     @staticmethod
     def list_activities(db_manager, filter_query=None):
         cursor = db_manager.get_cursor()
@@ -121,7 +137,7 @@ class Activity(BaseORM):
         """
 
         if filter_query is not None:
-            cursor.execute(sql, ("%{}%".format(filter_query),) * 2 )
+            cursor.execute(sql, ("%{}%".format(filter_query),) * 2)
         else:
             cursor.execute(sql)