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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Notifications\Special; |
| 4 | |
| 5 | use IContextSource; |
| 6 | use LogicException; |
| 7 | use MediaWiki\Extension\Notifications\DbFactory; |
| 8 | use MediaWiki\Extension\Notifications\Model\Notification; |
| 9 | use MediaWiki\Extension\Notifications\Services; |
| 10 | use MediaWiki\Pager\ReverseChronologicalPager; |
| 11 | |
| 12 | /** |
| 13 | * This pager is used by Special:Notifications (NO-JS). |
| 14 | * The heavy-lifting is done by IndexPager (grand-parent to this class). |
| 15 | * It paginates on notification_event for a specific user, only for the enabled event types. |
| 16 | */ |
| 17 | class NotificationPager extends ReverseChronologicalPager { |
| 18 | /** |
| 19 | * @param IContextSource $context |
| 20 | */ |
| 21 | public function __construct( IContextSource $context ) { |
| 22 | $dbFactory = DbFactory::newFromDefault(); |
| 23 | $this->mDb = $dbFactory->getEchoDb( DB_REPLICA ); |
| 24 | |
| 25 | parent::__construct( $context ); |
| 26 | } |
| 27 | |
| 28 | public function formatRow( $row ) { |
| 29 | // @phan-suppress-previous-line PhanPluginNeverReturnMethod LSP violation |
| 30 | throw new LogicException( "This pager does not support row formatting. " . |
| 31 | "Use 'getNotifications()' to get a list of Notification objects." ); |
| 32 | } |
| 33 | |
| 34 | public function getQueryInfo() { |
| 35 | $attributeManager = Services::getInstance()->getAttributeManager(); |
| 36 | $eventTypes = $attributeManager->getUserEnabledEvents( $this->getUser(), 'web' ); |
| 37 | |
| 38 | return [ |
| 39 | 'tables' => [ 'echo_notification', 'echo_event' ], |
| 40 | 'fields' => Notification::selectFields(), |
| 41 | 'conds' => [ |
| 42 | 'notification_user' => $this->getUser()->getId(), |
| 43 | 'event_type' => $eventTypes, |
| 44 | 'event_deleted' => 0, |
| 45 | ], |
| 46 | 'options' => [], |
| 47 | 'join_conds' => |
| 48 | [ 'echo_event' => |
| 49 | [ |
| 50 | 'JOIN', |
| 51 | 'notification_event=event_id', |
| 52 | ], |
| 53 | ], |
| 54 | ]; |
| 55 | } |
| 56 | |
| 57 | public function getNotifications() { |
| 58 | if ( !$this->mQueryDone ) { |
| 59 | $this->doQuery(); |
| 60 | } |
| 61 | |
| 62 | $notifications = []; |
| 63 | foreach ( $this->mResult as $row ) { |
| 64 | $notifications[] = Notification::newFromRow( $row ); |
| 65 | } |
| 66 | |
| 67 | // get rid of the overfetched |
| 68 | if ( count( $notifications ) > $this->getLimit() ) { |
| 69 | array_pop( $notifications ); |
| 70 | } |
| 71 | |
| 72 | if ( $this->mIsBackwards ) { |
| 73 | $notifications = array_reverse( $notifications ); |
| 74 | } |
| 75 | |
| 76 | return $notifications; |
| 77 | } |
| 78 | |
| 79 | public function getIndexField() { |
| 80 | return 'notification_event'; |
| 81 | } |
| 82 | } |