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<?php |
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// Base on cp_notification |
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function initialize_list( $cutoff_timestamp ){ |
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$dbprefix = elgg_get_config('dbprefix'); |
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$message_subtype = get_subtype_id( 'object', 'messages'); |
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$fromId = elgg_get_metastring_id('fromId'); |
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# get user guid list of old notifications and insert them all into a temp table |
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$query_table = "CREATE TABLE tmp_notify_delete_list ( `guid` bigint(20) unsigned NOT NULL, PRIMARY KEY (`guid`) )"; |
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$query = "INSERT INTO tmp_notify_delete_list (guid) SELECT e.guid FROM {$dbprefix}entities e |
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LEFT JOIN {$db_prefix}metadata msg_fromId on e.guid = msg_fromId.entity_guid |
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LEFT JOIN {$db_prefix}metastrings msvfrom ON msg_fromId.value_id = msvfrom.id |
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LEFT JOIN {$db_prefix}entities efrom ON msvfrom.string = efrom.guid |
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WHERE e.subtype=$message_subtype AND e.time_created < {$cutoff_timestamp} |
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AND msg_fromId.name_id='{$fromId}' AND efrom.type <> 'user'"; |
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try{ |
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$result_table = insert_data($query_table); |
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$result = insert_data($query); |
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} catch (Exception $e) {/* let mysql take care of duplicate insert attempts and trivialize leader election*/ return 1; } |
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return 0; |
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} |
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function delete_notifications(){ |
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$delete_entities = "DELETE FROM {$dbprefix}entities WHERE guid IN (SELECT guid FROM tmp_notify_delete_list)"; |
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$delete_objects = "DELETE FROM {$dbprefix}objects_entity WHERE guid IN (SELECT guid FROM tmp_notify_delete_list)"; |
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$delete_metadata = "DELETE FROM {$dbprefix}metadata WHERE entity_guid IN (SELECT guid FROM tmp_notify_delete_list)"; |
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$cleanup_tmp = "DROP TABLE tmp_notify_delete_list"; |
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delete_data($delete_entities); |
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delete_data($delete_objects); |
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delete_data($delete_metadata); |
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delete_data($cleanup_tmp); |
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} |
gctools-outilsgc /
gcconnex
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