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<?php |
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namespace SMW\Notifications\ChangeNotification; |
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use SMW\ApplicationFactory; |
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use SMW\Notifications\IteratorFactory; |
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use EchoEvent; |
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use User; |
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/** |
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* @license GNU GPL v2+ |
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* @since 1.0 |
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* |
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* @author mwjames |
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*/ |
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class UserLocator { |
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/** |
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* Find out for which of the properties that have changed the assigned group |
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* and for each group do locate its members(users). |
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* |
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* @see EchoUserLocator::locateArticleCreator |
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* @since 1.0 |
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* |
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* @param EchoEvent $event |
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* |
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* @return User[]|\Iterator |
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*/ |
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public static function doLocateEventSubscribers( EchoEvent $event ) { |
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$start = microtime( true ); |
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$extra = $event->getExtra(); |
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if ( !isset( $extra['subject'] ) || !isset( $extra['properties'] ) ) { |
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return array(); |
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} |
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$store = ApplicationFactory::getInstance()->getStore( '\SMW\SQLStore\SQLStore' ); |
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$iteratorFactory = new IteratorFactory(); |
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$notificationGroupsLocator = new NotificationGroupsLocator( |
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$store |
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); |
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$subSemanticDataMatch = isset( $extra['subSemanticDataMatch'] ) ? $extra['subSemanticDataMatch'] : array(); |
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$type = $event->getType(); |
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if ( $type === ChangeNotificationFilter::SPECIFICATION_CHANGE ) { |
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$groups = $notificationGroupsLocator->getSpecialGroupOnSpecificationChange(); |
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} else { |
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// Find groups assigned to properties on a "lazy" request during the |
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// iteration process |
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$groups = $iteratorFactory->newMappingIterator( |
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$extra['properties'], |
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$notificationGroupsLocator->getNotificationsToGroupListByCallback( $subSemanticDataMatch ) |
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); |
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} |
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$recursiveGroupMemberIterator = $iteratorFactory->newRecursiveGroupMembersIterator( |
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$groups, |
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$store |
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); |
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$agentName = $event->getAgent()->getName(); |
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$recursiveGroupMemberIterator->notifyAgent( |
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$event->getExtraParam( 'notifyAgent', false ) |
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); |
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$recursiveGroupMemberIterator->setAgentName( |
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$agentName |
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); |
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$recursiveGroupMemberIterator->setSubject( |
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$extra['subject'] |
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); |
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// Returns a flat array when iterating over the children |
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$recursiveIteratorIterator = $iteratorFactory->newRecursiveIteratorIterator( |
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$recursiveGroupMemberIterator |
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); |
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wfDebugLog( 'smw', 'Agent ' . $agentName ); |
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// Access the user only on request by the iterator |
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$mappingIterator = $iteratorFactory->newMappingIterator( $recursiveIteratorIterator, function( $recipient ) { |
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wfDebugLog( 'smw', 'User ' . $recipient ); |
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return User::newFromName( $recipient, false ); |
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} ); |
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wfDebugLog( 'smw', __METHOD__ . ' procTime (sec): ' . round( ( microtime( true ) - $start ), 7 ) ); |
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return $mappingIterator; |
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} |
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} |
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SemanticMediaWiki /
SemanticNotifications
