mediawiki-extensions-Echo/includes/mapper/TargetPageMapper.php

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<?php
/**
* Database mapper for EchoTargetPage model
*/
class EchoTargetPageMapper extends EchoAbstractMapper {
/**
* List of db fields used to construct an EchoTargetPage model
* @var string[]
*/
protected static $fields = array(
'etp_user',
'etp_page',
'etp_event'
);
/**
* Fetch EchoTargetPage instances by user & page_id. The resulting
* array is indexed by the event id. Each entry contains an array
* of EchoTargetPage instances.
*
* @param User $user
* @param int|int[] $pageId One or more page ids to fetch target pages of
* @return EchoTargetPage[][]|boolean
*/
public function fetchByUserPageId( User $user, $pageId ) {
$dbr = $this->dbFactory->getEchoDb( DB_SLAVE );
$res = $dbr->select(
array( 'echo_target_page' ),
self::$fields,
array(
'etp_user' => $user->getId(),
'etp_page' => $pageId
),
__METHOD__
);
if ( $res ) {
$targetPages = array();
foreach ( $res as $row ) {
$targetPages[$row->etp_event][] = EchoTargetPage::newFromRow( $row );
}
return $targetPages;
} else {
return false;
}
}
/**
* Insert an EchoTargetPage instance into the database
*
* @param EchoTargetPage $targetPage
* @return boolean
*/
public function insert( EchoTargetPage $targetPage ) {
$dbw = $this->dbFactory->getEchoDb( DB_MASTER );
$row = $targetPage->toDbArray();
$res = $dbw->insert( 'echo_target_page', $row, __METHOD__ );
return $res;
}
/**
* Delete an EchoTargetPage instance from the database
*
* @param EchoTargetPage
* @return boolean
*/
public function delete( EchoTargetPage $targetPage ) {
$dbw = $this->dbFactory->getEchoDb( DB_MASTER );
$res = $dbw->delete(
'echo_target_page',
array(
'etp_user' => $targetPage->getUser()->getId(),
'etp_page' => $targetPage->getPageId(),
'etp_event' => $targetPage->getEventId()
),
__METHOD__
);
return $res;
}
/**
* Delete multiple EchoTargetPage records by user & set of event_id
*
* @param User $user
* @param int[] $eventIds
* @return boolean
*/
public function deleteByUserEvents( User $user, array $eventIds ) {
if ( !$eventIds ) {
return true;
}
$dbw = $this->dbFactory->getEchoDb( DB_MASTER );
$res = $dbw->delete(
'echo_target_page',
array(
'etp_user' => $user->getId(),
'etp_event' => $eventIds
),
__METHOD__
);
return $res;
}
/**
* Delete multiple EchoTargetPage records by user & event_id offset
*
* @param User $user
* @param int $eventId
* @return boolean
*/
public function deleteByUserEventOffset( User $user, $eventId ) {
$dbw = $this->dbFactory->getEchoDb( DB_MASTER );
$res = $dbw->delete(
'echo_target_page',
array(
'etp_user' => $user->getId(),
'etp_event < ' . (int)$eventId
),
__METHOD__
);
return $res;
}
/**
* Delete multiple EchoTargetPage records by user
*
* @param User $user
* @return boolean
*/
public function deleteByUser( User $user ) {
$dbw = $this->dbFactory->getEchoDb( DB_MASTER );
$res = $dbw->delete(
'echo_target_page',
array(
'etp_user' => $user->getId()
),
__METHOD__
);
return $res;
}
}