Implement _simple_delete_many_txn, use it to delete devices

(But this doesn't implement the same for deleting access tokens or e2e keys.

Also respond to code review.

1 files changed, 17 insertions, 0 deletions

diff --git a/synapse/storage/devices.py b/synapse/storage/devices.py
index bd56ba2515..563071b7a9 100644
--- a/synapse/storage/devices.py
+++ b/synapse/storage/devices.py
@@ -108,6 +108,23 @@ class DeviceStore(SQLBaseStore):
             desc="delete_device",
         )
 
+    def delete_devices(self, user_id, device_ids):
+        """Deletes several devices.
+
+        Args:
+            user_id (str): The ID of the user which owns the devices
+            device_ids (list): The IDs of the devices to delete
+        Returns:
+            defer.Deferred
+        """
+        return self._simple_delete_many(
+            table="devices",
+            column="device_id",
+            iterable=device_ids,
+            keyvalues={"user_id": user_id},
+            desc="delete_devices",
+        )
+
     def update_device(self, user_id, device_id, new_display_name=None):
         """Update a device.