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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Html\Html; |
| 4 | use MediaWiki\Language\Language; |
| 5 | use MediaWiki\MediaWikiServices; |
| 6 | use MediaWiki\SpecialPage\SpecialPage; |
| 7 | use MediaWiki\Specials\SpecialEditWatchlist; |
| 8 | use MediaWiki\Title\Title; |
| 9 | use MobileFrontend\Hooks\HookRunner; |
| 10 | use MobileFrontend\Models\MobileCollection; |
| 11 | use MobileFrontend\Models\MobilePage; |
| 12 | |
| 13 | /** |
| 14 | * The mobile version of the watchlist editing page. |
| 15 | * @deprecated in future this should be the core SpecialEditWatchlist page (T109277) |
| 16 | */ |
| 17 | class SpecialMobileEditWatchlist extends SpecialEditWatchlist { |
| 18 | private const WATCHLIST_TAB_PATHS = [ |
| 19 | 'Special:Watchlist', |
| 20 | 'Special:EditWatchlist' |
| 21 | ]; |
| 22 | private const LIMIT = 50; |
| 23 | |
| 24 | /** @var string The name of the title to begin listing the watchlist from */ |
| 25 | protected $offsetTitle; |
| 26 | |
| 27 | public function __construct() { |
| 28 | $req = $this->getRequest(); |
| 29 | $this->offsetTitle = $req->getVal( 'from', '' ); |
| 30 | $watchStoreItem = MediaWikiServices::getInstance()->getWatchedItemStore(); |
| 31 | parent::__construct( $watchStoreItem ); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Renders the subheader. |
| 36 | */ |
| 37 | protected function outputSubtitle() { |
| 38 | $user = $this->getUser(); |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * Gets the HTML fragment for a watched page. The client uses a very different |
| 43 | * structure for client-rendered items in PageListItem.hogan. |
| 44 | * |
| 45 | * @param MobilePage $mp a definition of the page to be rendered. |
| 46 | * @return string |
| 47 | */ |
| 48 | protected function getLineHtml( MobilePage $mp ) { |
| 49 | $thumb = $mp->getSmallThumbnailHtml( true ); |
| 50 | $title = $mp->getTitle(); |
| 51 | if ( !$thumb ) { |
| 52 | $thumb = Html::rawElement( 'div', [ |
| 53 | 'class' => 'list-thumb list-thumb-placeholder' |
| 54 | ], Html::element( 'span', [ |
| 55 | 'class' => 'mf-icon-image' |
| 56 | ] ) |
| 57 | ); |
| 58 | } |
| 59 | $timestamp = $mp->getLatestTimestamp(); |
| 60 | $user = $this->getUser(); |
| 61 | $titleText = $title->getPrefixedText(); |
| 62 | if ( $timestamp ) { |
| 63 | $className = 'title'; |
| 64 | } else { |
| 65 | $className = 'title new'; |
| 66 | } |
| 67 | |
| 68 | $html = |
| 69 | Html::openElement( 'li', [ |
| 70 | 'class' => 'page-summary', |
| 71 | 'title' => $titleText, |
| 72 | 'data-id' => $title->getArticleID() |
| 73 | ] ) . |
| 74 | Html::openElement( 'a', [ 'href' => $title->getLocalURL(), 'class' => $className ] ); |
| 75 | $html .= $thumb; |
| 76 | $html .= |
| 77 | Html::element( 'h3', [], $titleText ); |
| 78 | |
| 79 | $html .= Html::closeElement( 'a' ) . |
| 80 | Html::closeElement( 'li' ); |
| 81 | |
| 82 | return $html; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * The main entry point for the page. |
| 87 | * |
| 88 | * @param string|null $mode Whether the user is viewing, editing, or clearing their |
| 89 | * watchlist |
| 90 | */ |
| 91 | public function execute( $mode ) { |
| 92 | // Anons don't get a watchlist edit |
| 93 | $this->requireLogin( 'mobile-frontend-watchlist-purpose' ); |
| 94 | |
| 95 | $out = $this->getOutput(); |
| 96 | $out->addBodyClasses( 'mw-mf-special-page' ); |
| 97 | parent::execute( $mode ); |
| 98 | $out->setPageTitleMsg( $this->msg( 'watchlist' ) ); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Finds the offset of the page given in this->offsetTitle |
| 103 | * If doesn't exist returns 0 to show from beginning of array of pages. |
| 104 | * |
| 105 | * @param array $pages |
| 106 | * @return int where the index of the next page to be shown. |
| 107 | */ |
| 108 | private function getPageOffset( $pages ) { |
| 109 | // Deal with messiness of mediawiki |
| 110 | $pages = array_keys( $pages ); |
| 111 | |
| 112 | if ( $this->offsetTitle ) { |
| 113 | // PHP is stupid. strict test to avoid issues when page '0' is watched. |
| 114 | $offset = array_search( $this->offsetTitle, $pages, true ); |
| 115 | // Deal with cases where invalid title given |
| 116 | if ( $offset === false ) { |
| 117 | $offset = 0; |
| 118 | } |
| 119 | } else { |
| 120 | $offset = 0; |
| 121 | } |
| 122 | return $offset; |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Create paginated view of entire watchlist |
| 127 | * |
| 128 | * @param array $pages |
| 129 | * @return array of pages that should be displayed in current view |
| 130 | */ |
| 131 | private function getPagesToDisplay( $pages ) { |
| 132 | $offset = $this->getPageOffset( $pages ); |
| 133 | // Get the slice we are going to display and display it |
| 134 | return array_slice( $pages, $offset, self::LIMIT, true ); |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Get the HTML needed to show if a user doesn't watch any page, show information |
| 139 | * how to watch pages where no pages have been watched. |
| 140 | * @param bool $feed Render as feed (true) or list (false) view? |
| 141 | * @param Language $lang The language of the current mode |
| 142 | * @return string |
| 143 | */ |
| 144 | public static function getEmptyListHtml( $feed, $lang ) { |
| 145 | $dir = $lang->isRTL() ? 'rtl' : 'ltr'; |
| 146 | |
| 147 | $config = MediaWikiServices::getInstance()->getService( 'MobileFrontend.Config' ); |
| 148 | $imgUrl = $config->get( 'ExtensionAssetsPath' ) . |
| 149 | "/MobileFrontend/images/emptywatchlist-page-actions-$dir.png"; |
| 150 | |
| 151 | if ( $feed ) { |
| 152 | $msg = Html::element( 'p', [], wfMessage( 'mobile-frontend-watchlist-feed-empty' )->plain() ); |
| 153 | } else { |
| 154 | $msg = Html::element( 'p', [], |
| 155 | wfMessage( 'mobile-frontend-watchlist-a-z-empty-howto' )->plain() |
| 156 | ); |
| 157 | $msg .= Html::element( 'img', [ |
| 158 | 'src' => $imgUrl, |
| 159 | 'alt' => wfMessage( 'mobile-frontend-watchlist-a-z-empty-howto-alt' )->plain(), |
| 160 | ] ); |
| 161 | } |
| 162 | |
| 163 | return Html::openElement( 'div', [ 'class' => 'info empty-page' ] ) . |
| 164 | $msg . |
| 165 | Html::element( 'a', |
| 166 | [ 'class' => 'button', 'href' => Title::newMainPage()->getLocalURL() ], |
| 167 | wfMessage( 'mobile-frontend-watchlist-back-home' )->plain() |
| 168 | ) . |
| 169 | Html::closeElement( 'div' ); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Identify the next page to be shown |
| 174 | * |
| 175 | * @param array $pages |
| 176 | * @return string|bool representing title of next page to show or |
| 177 | * false if there isn't another page to show. |
| 178 | */ |
| 179 | private function getNextPage( $pages ) { |
| 180 | $total = count( $pages ); |
| 181 | $offset = $this->getPageOffset( $pages ); |
| 182 | $limit = self::LIMIT; |
| 183 | |
| 184 | // Work out if we need a more button and where to start from |
| 185 | if ( $total > $offset + $limit ) { |
| 186 | $pageKeys = array_keys( $pages ); |
| 187 | $from = $pageKeys[$offset + $limit]; |
| 188 | } else { |
| 189 | $from = false; |
| 190 | } |
| 191 | return $from; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Renders the view/edit (normal) mode of the watchlist. |
| 196 | */ |
| 197 | protected function executeViewEditWatchlist() { |
| 198 | $ns = NS_MAIN; |
| 199 | $images = []; |
| 200 | |
| 201 | $watchlist = $this->getWatchlistInfo(); |
| 202 | |
| 203 | if ( isset( $watchlist[$ns] ) ) { |
| 204 | $allPages = $watchlist[$ns]; |
| 205 | $from = $this->getNextPage( $allPages ); |
| 206 | $allPages = $this->getPagesToDisplay( $allPages ); |
| 207 | } else { |
| 208 | $allPages = []; |
| 209 | $from = false; |
| 210 | } |
| 211 | |
| 212 | // Begin rendering of watchlist. |
| 213 | $watchlist = [ $ns => $allPages ]; |
| 214 | $services = MediaWikiServices::getInstance(); |
| 215 | ( new HookRunner( $services->getHookContainer() ) ) |
| 216 | ->onSpecialMobileEditWatchlist__images( |
| 217 | $this->getContext(), $watchlist, $images |
| 218 | ); |
| 219 | |
| 220 | // create list of pages |
| 221 | $mobilePages = new MobileCollection(); |
| 222 | $pageKeys = array_keys( $watchlist[$ns] ); |
| 223 | $repoGroup = $services->getRepoGroup(); |
| 224 | foreach ( $pageKeys as $dbkey ) { |
| 225 | if ( isset( $images[$ns][$dbkey] ) ) { |
| 226 | $page = new MobilePage( |
| 227 | Title::makeTitleSafe( $ns, $dbkey ), |
| 228 | $repoGroup->findFile( $images[$ns][$dbkey] ) |
| 229 | ); |
| 230 | } else { |
| 231 | $page = new MobilePage( Title::makeTitleSafe( $ns, $dbkey ) ); |
| 232 | } |
| 233 | $mobilePages->add( $page ); |
| 234 | } |
| 235 | |
| 236 | if ( $mobilePages->isEmpty() ) { |
| 237 | $html = self::getEmptyListHtml( false, $this->getLanguage() ); |
| 238 | } else { |
| 239 | $html = $this->getViewHtml( $mobilePages ); |
| 240 | } |
| 241 | if ( $from ) { |
| 242 | // show more link if there are more items to show |
| 243 | $qs = [ 'from' => $from ]; |
| 244 | $html .= Html::element( 'a', |
| 245 | [ |
| 246 | 'class' => 'mw-mf-watchlist-more', |
| 247 | 'href' => SpecialPage::getTitleFor( 'EditWatchlist' )->getLocalURL( $qs ), |
| 248 | ], |
| 249 | $this->msg( 'mobile-frontend-watchlist-more' )->text() ); |
| 250 | } |
| 251 | $out = $this->getOutput(); |
| 252 | $out->addHTML( $html ); |
| 253 | $out->addModules( 'mobile.special.watchlist.scripts' ); |
| 254 | $out->addModuleStyles( |
| 255 | [ |
| 256 | 'mobile.pagelist.styles', |
| 257 | 'mobile.pagesummary.styles' |
| 258 | ] |
| 259 | ); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * @param MobileCollection $collection Collection of pages to get view for |
| 264 | * @return string html representation of collection in watchlist view |
| 265 | */ |
| 266 | protected function getViewHtml( MobileCollection $collection ) { |
| 267 | $html = Html::openElement( 'ul', [ 'class' => 'content-unstyled mw-mf-page-list thumbs' |
| 268 | . ' page-summary-list mw-mf-watchlist-page-list' ] ); |
| 269 | foreach ( $collection as $mobilePage ) { |
| 270 | $html .= $this->getLineHtml( $mobilePage ); |
| 271 | } |
| 272 | $html .= Html::closeElement( 'ul' ); |
| 273 | return $html; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * @inheritDoc |
| 278 | */ |
| 279 | public function getAssociatedNavigationLinks() { |
| 280 | return self::WATCHLIST_TAB_PATHS; |
| 281 | } |
| 282 | } |