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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Newsletter\Content; |
| 4 | |
| 5 | use MediaWiki\Deferred\DataUpdate; |
| 6 | use MediaWiki\Extension\Newsletter\Newsletter; |
| 7 | use MediaWiki\Extension\Newsletter\NewsletterStore; |
| 8 | use MediaWiki\Extension\Newsletter\NewsletterValidator; |
| 9 | use MediaWiki\Logger\LoggerFactory; |
| 10 | use MediaWiki\MediaWikiServices; |
| 11 | use MediaWiki\Title\Title; |
| 12 | use MediaWiki\User\User; |
| 13 | |
| 14 | /** |
| 15 | * @license GPL-2.0-or-later |
| 16 | * @author tonythomas |
| 17 | */ |
| 18 | class NewsletterDataUpdate extends DataUpdate { |
| 19 | |
| 20 | /** @var NewsletterContent */ |
| 21 | private $content; |
| 22 | /** @var User Triggering user */ |
| 23 | private $user; |
| 24 | /** @var Title */ |
| 25 | private $title; |
| 26 | |
| 27 | /** |
| 28 | * @param NewsletterContent $content |
| 29 | * @param Title $title |
| 30 | * @param User $user |
| 31 | * |
| 32 | * @todo User might be wrong if triggered from template edits etc. |
| 33 | */ |
| 34 | public function __construct( NewsletterContent $content, Title $title, User $user ) { |
| 35 | $this->content = $content; |
| 36 | $this->user = $user; |
| 37 | $this->title = $title; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * @param string $newNewsletterName |
| 42 | * @return int |
| 43 | */ |
| 44 | protected function getNewslettersWithNewsletterMainPage( $newNewsletterName ) { |
| 45 | $dbr = MediaWikiServices::getInstance()->getDBLoadBalancer()->getConnection( DB_REPLICA ); |
| 46 | |
| 47 | return $dbr->newSelectQueryBuilder() |
| 48 | ->select( '*' ) |
| 49 | ->from( 'nl_newsletters' ) |
| 50 | ->where( |
| 51 | $dbr->expr( 'nl_name', '=', $newNewsletterName )->orExpr( |
| 52 | $dbr->expr( 'nl_main_page_id', '=', $this->content->getMainPage()->getArticleID() ) |
| 53 | ->and( 'nl_active', '=', 1 ) |
| 54 | ) |
| 55 | ) |
| 56 | ->caller( __METHOD__ ) |
| 57 | ->fetchRowCount(); |
| 58 | } |
| 59 | |
| 60 | protected function createNewNewsletterWithData( NewsletterStore $store, $formData ) { |
| 61 | $newNewsletterName = $formData['Name']; |
| 62 | if ( $this->getNewslettersWithNewsletterMainPage( $newNewsletterName ) ) { |
| 63 | return false; |
| 64 | } |
| 65 | |
| 66 | $validator = new NewsletterValidator( $formData ); |
| 67 | $validation = $validator->validate( true ); |
| 68 | |
| 69 | if ( !$validation->isGood() ) { |
| 70 | // Invalid input was entered |
| 71 | return $validation; |
| 72 | } |
| 73 | |
| 74 | $title = Title::makeTitleSafe( NS_NEWSLETTER, $newNewsletterName ); |
| 75 | $newsletter = new Newsletter( 0, |
| 76 | $title->getText(), |
| 77 | $formData['Description'], |
| 78 | $formData['MainPage']->getArticleID() |
| 79 | ); |
| 80 | |
| 81 | $newsletterCreated = $store->addNewsletter( $newsletter ); |
| 82 | if ( !$newsletterCreated ) { |
| 83 | return false; |
| 84 | } |
| 85 | |
| 86 | $newsletter->subscribe( $this->user ); |
| 87 | $store->addPublisher( $newsletter, [ $this->user->getId() ] ); |
| 88 | |
| 89 | return $newsletter; |
| 90 | } |
| 91 | |
| 92 | public function doUpdate() { |
| 93 | $logger = LoggerFactory::getInstance( 'newsletter' ); |
| 94 | $store = NewsletterStore::getDefaultInstance(); |
| 95 | // We might have a situation when the newsletter is not created yet. Hence, we should add |
| 96 | // that to the database, and exit. |
| 97 | $newsletter = Newsletter::newFromName( $this->title->getText() ); |
| 98 | |
| 99 | $formData = [ |
| 100 | 'Name' => $this->title->getText(), |
| 101 | 'Description' => $this->content->getDescription(), |
| 102 | 'MainPage' => $this->content->getMainPage() |
| 103 | ]; |
| 104 | |
| 105 | if ( !$newsletter ) { |
| 106 | // Creating a new newsletter that newsletter is not in the |
| 107 | // database yet. |
| 108 | $newsletter = $this->createNewNewsletterWithData( $store, $formData ); |
| 109 | if ( !$newsletter ) { |
| 110 | // Couldn't insert to the DB.. |
| 111 | $logger->warning( 'newsletter-create-error' ); |
| 112 | return; |
| 113 | } |
| 114 | } |
| 115 | // This was a possible edit to an existing newsletter. |
| 116 | $newsletterId = $newsletter->getId(); |
| 117 | |
| 118 | if ( $this->content->getDescription() != $newsletter->getDescription() ) { |
| 119 | $store->updateDescription( $newsletterId, $this->content->getDescription() ); |
| 120 | } |
| 121 | |
| 122 | $updatedMainPageId = $this->content->getMainPage()->getArticleID(); |
| 123 | if ( $updatedMainPageId != $newsletter->getPageId() ) { |
| 124 | $store->updateMainPage( $newsletterId, $updatedMainPageId ); |
| 125 | } |
| 126 | |
| 127 | $updatedPublishers = array_map( [ User::class, 'newFromName' ], $this->content->getPublishers() ); |
| 128 | $oldPublishersIds = $newsletter->getPublishers(); |
| 129 | $updatedPublishersIds = []; |
| 130 | |
| 131 | foreach ( $updatedPublishers as $user ) { |
| 132 | if ( $user instanceof User ) { |
| 133 | $updatedPublishersIds[] = $user->getId(); |
| 134 | } |
| 135 | } |
| 136 | // Do the actual modifications now |
| 137 | $added = array_diff( $updatedPublishersIds, $oldPublishersIds ); |
| 138 | $removed = array_diff( $oldPublishersIds, $updatedPublishersIds ); |
| 139 | |
| 140 | // Check if people have been added |
| 141 | if ( $added ) { |
| 142 | // Adds the new publishers to subscription list |
| 143 | $store->addSubscription( $newsletter, $added ); |
| 144 | $store->addPublisher( $newsletter, $added ); |
| 145 | $newsletter->notifyPublishers( |
| 146 | $added, $this->user, Newsletter::NEWSLETTER_PUBLISHERS_ADDED |
| 147 | ); |
| 148 | } |
| 149 | |
| 150 | // Check if people have been removed |
| 151 | if ( $removed ) { |
| 152 | $store->removePublisher( $newsletter, $removed ); |
| 153 | $newsletter->notifyPublishers( |
| 154 | $removed, $this->user, Newsletter::NEWSLETTER_PUBLISHERS_REMOVED |
| 155 | ); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | } |