Deleting device_skill if exist a row with a given device_id and skill_id

shared/selene/data/skill/repository/device_skill.py

@@ -17,3 +17,13 @@ class DeviceSkillRepository(RepositoryBase):
             )
         )
         self.cursor.insert(db_request)
+
+    def delete(self, device_id, skill_id):
+        db_request = self._build_db_request(
+            sql_file_name='delete_device_skill.sql',
+            args=dict(
+                device_id=device_id,
+                skill_id=skill_id
+            )
+        )
+        self.cursor.delete(db_request)

shared/selene/data/skill/repository/skill.py

@@ -101,6 +101,7 @@ class SkillRepository(RepositoryBase):
         settings_display = json.dumps(skill)
         skill_settings_display_id = SettingsDisplayRepository(self.db).add(skill_id, settings_display)
         settings_value = json.dumps(settings_value)
+        DeviceSkillRepository(self.db).delete(device_id, skill_id)
         DeviceSkillRepository(self.db).add(device_id, skill_id, skill_settings_display_id, settings_value)
         return skill_id
 

shared/selene/data/skill/repository/sql/delete_device_skill.sql

@@ -0,0 +1,4 @@
+DELETE  FROM
+    device.device_skill
+WHERE
+    device_id = %(device_id)s AND skill_id = %(skill_id)s