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MDL-64568 core_message: added new method to nuke conversations entirely

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This method removes all data in the database related to a
given conversation.
This commit is contained in:
Mark Nelson
2019-03-13 15:41:53 +08:00
committed by Adrian Greeve
parent 07a4698d0a
commit 978f233b8b
2 changed files with 121 additions and 0 deletions
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message/classes/api.php
+24
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@@ -3204,4 +3204,28 @@ class api {
]
);
}
/**
* Completely removes all related data in the DB for a given conversation.
*
* @param int $conversationid The id of the conversation
*/
public static function delete_all_conversation_data(int $conversationid) {
global $DB;
$DB->delete_records('message_conversations', ['id' => $conversationid]);
$DB->delete_records('message_conversation_members', ['conversationid' => $conversationid]);
$DB->delete_records('message_conversation_actions', ['conversationid' => $conversationid]);
// Now, go through and delete any messages and related message actions for the conversation.
if ($messages = $DB->get_records('messages', ['conversationid' => $conversationid])) {
$messageids = array_keys($messages);
list($insql, $inparams) = $DB->get_in_or_equal($messageids);
$DB->delete_records_select('message_user_actions', "messageid $insql", $inparams);
// Delete the messages now.
$DB->delete_records('messages', ['conversationid' => $conversationid]);
}
}
}