mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-11-15 03:35:01 +00:00
118 lines
3 KiB
PHP
118 lines
3 KiB
PHP
<?php
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/**
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* Database mapper for EchoEvent model, which is an immutable class, there should
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* not be any update to it
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*/
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class EchoEventMapper extends EchoAbstractMapper {
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/**
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* Insert an event record
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*
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* @param EchoEvent
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* @return int|bool
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*/
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public function insert( EchoEvent $event ) {
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$dbw = $this->dbFactory->getEchoDb( DB_MASTER );
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$id = $dbw->nextSequenceValue( 'echo_event_id' );
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$row = $event->toDbArray();
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if ( $id ) {
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$row['event_id'] = $id;
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}
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$res = $dbw->insert( 'echo_event', $row, __METHOD__ );
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if ( $res ) {
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if ( !$id ) {
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$id = $dbw->insertId();
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}
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return $id;
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} else {
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return false;
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}
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}
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/**
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* Create an EchoEvent by id
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*
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* @param int
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* @param boolean
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* @return EchoEvent
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* @throws MWException
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*/
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public function fetchById( $id, $fromMaster = false ) {
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$db = $fromMaster ? $this->dbFactory->getEchoDb( DB_MASTER ) : $this->dbFactory->getEchoDb( DB_SLAVE );
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$row = $db->selectRow( 'echo_event', '*', array( 'event_id' => $id ), __METHOD__ );
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if ( !$row && !$fromMaster ) {
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return $this->fetchById( $id, true );
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} elseif ( !$row ) {
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throw new MWException( "No EchoEvent found with ID: $id" );
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}
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return EchoEvent::newFromRow( $row );
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}
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/**
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* Get a list of echo events identified by user and bundle hash
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*
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* @param $user User
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* @param $bundleHash string the bundle hash
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* @param $type string distribution type
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* @param $order string 'ASC'/'DESC'
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* @param $limit int
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* @return EchoEvent[]|bool
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*/
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public function fetchByUserBundleHash( User $user, $bundleHash, $type = 'web', $order = 'DESC', $limit = 250 ) {
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$dbr = $this->dbFactory->getEchoDb( DB_SLAVE );
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// We only display 99+ if the number is over 100, we can do limit 250, this should
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// be sufficient to return 99 distinct group iterators, avoid select count( distinct )
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// for the following reason:
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// 1. it will not scale for large volume data
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// 2. notification may have random grouping iterator
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// 3. agent may be anonymous, can't do distinct over two columns: event_agent_id and event_agent_ip
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if ( $type == 'web' ) {
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$res = $dbr->select(
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array( 'echo_notification', 'echo_event' ),
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array( 'echo_event.*' ),
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array(
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'notification_event=event_id',
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'notification_user' => $user->getId(),
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'notification_bundle_base' => 0,
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'notification_bundle_display_hash' => $bundleHash
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),
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__METHOD__,
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array( 'ORDER BY' => 'notification_timestamp ' . $order, 'LIMIT' => $limit )
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);
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// this would be email for now
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} else {
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$res = $dbr->select(
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array( 'echo_email_batch', 'echo_event' ),
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array( 'echo_event.*' ),
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array(
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'eeb_event_id=event_id',
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'eeb_user_id' => $user->getId(),
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'eeb_event_hash' => $bundleHash
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),
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__METHOD__,
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array( 'ORDER BY' => 'eeb_event_id ' . $order, 'LIMIT' => $limit )
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);
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}
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if ( $res ) {
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$data = array();
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foreach ( $res as $row ) {
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$data[] = EchoEvent::newFromRow( $row );
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}
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return $data;
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} else {
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return false;
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}
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}
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}
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