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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Html\Html; |
| 4 | use MediaWiki\MediaWikiServices; |
| 5 | use MediaWiki\Pager\TablePager; |
| 6 | use Wikimedia\Rdbms\RawSQLExpression; |
| 7 | |
| 8 | /** |
| 9 | * Query to list out outdated reviewed pages |
| 10 | */ |
| 11 | class PendingChangesPager extends TablePager { |
| 12 | |
| 13 | private PendingChanges $mForm; |
| 14 | private ?string $category; |
| 15 | /** @var int|int[] */ |
| 16 | private $namespace; |
| 17 | private ?string $size; |
| 18 | private bool $watched; |
| 19 | private bool $stable; |
| 20 | private ?string $tagFilter; |
| 21 | // Don't get too expensive |
| 22 | private const PAGE_LIMIT = 100; |
| 23 | |
| 24 | /** |
| 25 | * The unique sort fields for the sort options for unique paginate |
| 26 | */ |
| 27 | private const INDEX_FIELDS = [ |
| 28 | 'fp_pending_since' => [ 'fp_pending_since' ], |
| 29 | ]; |
| 30 | |
| 31 | /** |
| 32 | * @param PendingChanges $form |
| 33 | * @param int|null $namespace |
| 34 | * @param string $category |
| 35 | * @param int|null $size |
| 36 | * @param bool $watched |
| 37 | * @param bool $stable |
| 38 | * @param ?string $tagFilter |
| 39 | */ |
| 40 | public function __construct( $form, $namespace, string $category = '', |
| 41 | ?int $size = null, bool $watched = false, bool $stable = false, ?string $tagFilter = '' |
| 42 | ) { |
| 43 | $this->mForm = $form; |
| 44 | # Must be a content page... |
| 45 | if ( $namespace !== null ) { |
| 46 | $namespace = (int)$namespace; |
| 47 | } |
| 48 | # Sanity check |
| 49 | if ( $namespace === null || !FlaggedRevs::isReviewNamespace( $namespace ) ) { |
| 50 | $namespace = FlaggedRevs::getReviewNamespaces(); |
| 51 | } |
| 52 | $this->namespace = $namespace; |
| 53 | $this->category = $category ? str_replace( ' ', '_', $category ) : null; |
| 54 | $this->tagFilter = $tagFilter ? str_replace( ' ', '_', $tagFilter ) : null; |
| 55 | $this->size = $size; |
| 56 | $this->watched = $watched; |
| 57 | $this->stable = $stable && !FlaggedRevs::isStableShownByDefault() |
| 58 | && !FlaggedRevs::useOnlyIfProtected(); |
| 59 | |
| 60 | parent::__construct(); |
| 61 | # Don't get too expensive |
| 62 | $this->mLimitsShown = [ 20, 50, 100 ]; |
| 63 | $this->setLimit( $this->mLimit ); // apply max limit |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * @inheritDoc |
| 68 | */ |
| 69 | public function setLimit( $limit ) { |
| 70 | $this->mLimit = min( $limit, self::PAGE_LIMIT ); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @inheritDoc |
| 75 | */ |
| 76 | public function formatRow( $row ): string { |
| 77 | return $this->mForm->formatRow( $row ); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @inheritDoc |
| 82 | */ |
| 83 | public function getDefaultQuery(): array { |
| 84 | $query = parent::getDefaultQuery(); |
| 85 | $query['category'] = $this->category; |
| 86 | $query['tagFilter'] = $this->tagFilter; |
| 87 | return $query; |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * @inheritDoc |
| 92 | */ |
| 93 | public function getQueryInfo(): array { |
| 94 | $tables = [ 'page', 'revision', 'flaggedpages' ]; |
| 95 | $fields = [ |
| 96 | 'page_namespace', |
| 97 | 'page_title', |
| 98 | 'page_len', |
| 99 | 'rev_len', |
| 100 | 'page_latest', |
| 101 | 'stable' => 'fp_stable', |
| 102 | 'quality' => 'fp_quality', |
| 103 | 'pending_since' => 'fp_pending_since' |
| 104 | ]; |
| 105 | $conds = [ $this->mDb->expr( 'fp_pending_since', '!=', null ) ]; |
| 106 | $joinConds = [ |
| 107 | 'page' => [ 'JOIN', 'page_id=fp_page_id' ], |
| 108 | 'revision' => [ 'JOIN', 'rev_id=fp_stable' ], |
| 109 | ]; |
| 110 | |
| 111 | # Filter by pages configured to be stable |
| 112 | if ( $this->stable ) { |
| 113 | $tables[] = 'flaggedpage_config'; |
| 114 | $joinConds['flaggedpage_config'] = [ 'JOIN', 'fpc_page_id=fp_page_id' ]; |
| 115 | $conds['fpc_override'] = 1; |
| 116 | } |
| 117 | # Filter by category |
| 118 | if ( $this->category != '' ) { |
| 119 | $tables[] = 'categorylinks'; |
| 120 | $tables[] = 'linktarget'; |
| 121 | $joinConds['categorylinks'] = [ 'JOIN', 'cl_from=fp_page_id' ]; |
| 122 | $joinConds['linktarget'] = [ 'JOIN', 'lt_id=cl_target_id' ]; |
| 123 | $conds['lt_title'] = $this->category; |
| 124 | $conds['lt_namespace'] = NS_CATEGORY; |
| 125 | } |
| 126 | # Index field for sorting |
| 127 | $this->mIndexField = 'fp_pending_since'; |
| 128 | $fields[] = $this->mIndexField; // Pager needs this |
| 129 | # Filter namespace |
| 130 | if ( $this->namespace !== null ) { |
| 131 | $conds['page_namespace'] = $this->namespace; |
| 132 | } |
| 133 | # Filter by watchlist |
| 134 | if ( $this->watched ) { |
| 135 | $uid = $this->getUser()->getId(); |
| 136 | if ( $uid ) { |
| 137 | $tables[] = 'watchlist'; |
| 138 | $conds['wl_user'] = $uid; |
| 139 | $joinConds['watchlist'] = [ 'JOIN', [ |
| 140 | 'wl_namespace=page_namespace', |
| 141 | 'wl_title=page_title' |
| 142 | ] ]; |
| 143 | } |
| 144 | } |
| 145 | # Filter by bytes changed |
| 146 | if ( $this->size !== null && $this->size >= 0 ) { |
| 147 | $conds[] = new RawSQLExpression( |
| 148 | "(GREATEST(page_len, rev_len) - LEAST(page_len, rev_len)) <= " . intval( $this->size ) |
| 149 | ); |
| 150 | } |
| 151 | # Filter by tag |
| 152 | if ( $this->tagFilter !== null && $this->tagFilter !== '' ) { |
| 153 | $changeTagsStore = MediaWikiServices::getInstance()->getChangeTagsStore(); |
| 154 | if ( !$changeTagsStore->canViewTag( $this->tagFilter, $this->getAuthority() ) ) { |
| 155 | $conds[] = '1=0'; |
| 156 | } else { |
| 157 | $tables[] = 'change_tag'; |
| 158 | $tables[] = 'change_tag_def'; |
| 159 | $joinConds['change_tag'] = [ 'JOIN', 'ct_rev_id=rev_id' ]; |
| 160 | $joinConds['change_tag_def'] = [ 'JOIN', 'ct_tag_id=ctd_id' ]; |
| 161 | $conds['ctd_name'] = $this->tagFilter; |
| 162 | } |
| 163 | } |
| 164 | # Don't display pages with expired protection (T350527) |
| 165 | if ( FlaggedRevs::useOnlyIfProtected() ) { |
| 166 | $tables[] = 'flaggedpage_config'; |
| 167 | $joinConds['flaggedpage_config'] = [ 'JOIN', 'fpc_page_id=fp_page_id' ]; |
| 168 | $conds[] = new RawSQLExpression( $this->mDb->buildComparison( '>', |
| 169 | [ 'fpc_expiry' => $this->mDb->timestamp() ] ) . ' OR fpc_expiry = "infinity"' |
| 170 | ); |
| 171 | } |
| 172 | # Set sorting options |
| 173 | $sortField = $this->getRequest()->getVal( 'sort', 'fp_pending_since' ); |
| 174 | $sortOrder = $this->getRequest()->getVal( 'asc' ) ? 'ASC' : 'DESC'; |
| 175 | $options = [ 'ORDER BY' => "$sortField $sortOrder" ]; |
| 176 | # Return query information |
| 177 | return [ |
| 178 | 'tables' => $tables, |
| 179 | 'fields' => $fields, |
| 180 | 'conds' => $conds, |
| 181 | 'options' => $options, |
| 182 | 'join_conds' => $joinConds, |
| 183 | ]; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * @inheritDoc |
| 188 | */ |
| 189 | public function getIndexField() { |
| 190 | return $this->mIndexField; |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * @inheritDoc |
| 195 | */ |
| 196 | protected function doBatchLookups() { |
| 197 | $this->mResult->seek( 0 ); |
| 198 | $lb = MediaWikiServices::getInstance()->getLinkBatchFactory(); |
| 199 | $batch = $lb->newLinkBatch(); |
| 200 | foreach ( $this->mResult as $row ) { |
| 201 | $batch->add( $row->page_namespace, $row->page_title ); |
| 202 | } |
| 203 | $batch->execute(); |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * @inheritDoc |
| 208 | * @since 1.43 |
| 209 | */ |
| 210 | public function getDefaultSort(): string { |
| 211 | return 'fp_pending_since'; |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * @inheritDoc |
| 216 | * @since 1.43 |
| 217 | */ |
| 218 | protected function getFieldNames(): array { |
| 219 | $fields = [ |
| 220 | 'page_title' => 'pendingchanges-table-page', |
| 221 | 'review' => 'pendingchanges-table-review', |
| 222 | 'rev_len' => 'pendingchanges-table-size', |
| 223 | 'fp_pending_since' => 'pendingchanges-table-pending-since', |
| 224 | ]; |
| 225 | |
| 226 | if ( $this->getAuthority()->isAllowed( 'unwatchedpages' ) ) { |
| 227 | $fields['watching'] = 'pendingchanges-table-watching'; |
| 228 | } |
| 229 | |
| 230 | return $fields; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * @inheritDoc |
| 235 | * @since 1.43 |
| 236 | */ |
| 237 | public function formatValue( $name, $value ): ?string { |
| 238 | return htmlspecialchars( $value ); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * @inheritDoc |
| 243 | * @since 1.43 |
| 244 | */ |
| 245 | protected function isFieldSortable( $field ): bool { |
| 246 | return isset( self::INDEX_FIELDS[$field] ); |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Builds and returns the start body HTML for the table. |
| 251 | * |
| 252 | * @return string HTML |
| 253 | * @since 1.43 |
| 254 | */ |
| 255 | protected function getStartBody(): string { |
| 256 | return Html::openElement( 'div', [ 'class' => 'cdx-table mw-fr-pending-changes-table' ] ) . |
| 257 | $this->buildTableHeader() . |
| 258 | Html::openElement( 'div', [ 'class' => 'cdx-table__table-wrapper' ] ) . |
| 259 | $this->buildTableElement(); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Builds and returns the table header HTML. |
| 264 | * |
| 265 | * @return string HTML |
| 266 | */ |
| 267 | private function buildTableHeader(): string { |
| 268 | $headerCaption = $this->buildHeaderCaption(); |
| 269 | $headerContent = $this->buildTableCaption( 'cdx-table__header__header-content' ); |
| 270 | |
| 271 | return Html::rawElement( |
| 272 | 'div', |
| 273 | [ 'class' => 'cdx-table__header' ], |
| 274 | $headerCaption . $headerContent |
| 275 | ); |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Builds and returns the header caption HTML. |
| 280 | * |
| 281 | * @return string HTML |
| 282 | */ |
| 283 | private function buildHeaderCaption(): string { |
| 284 | return Html::rawElement( |
| 285 | 'div', |
| 286 | [ 'class' => 'cdx-table__header__caption', 'aria-hidden' => 'true' ], |
| 287 | $this->msg( 'pendingchanges-table-caption' )->escaped() |
| 288 | ); |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * Retrieves the count of pending pages. |
| 293 | * |
| 294 | * @return int The count of pending pages. |
| 295 | */ |
| 296 | private function getPendingCount(): int { |
| 297 | return $this->mDb->newSelectQueryBuilder() |
| 298 | ->select( '*' ) |
| 299 | ->from( 'flaggedpages' ) |
| 300 | ->join( 'page', null, 'fp_page_id = page_id' ) |
| 301 | ->where( $this->mDb->expr( 'fp_pending_since', '!=', null ) ) |
| 302 | ->andWhere( [ 'page_namespace' => FlaggedRevs::getReviewNamespaces() ] ) |
| 303 | ->caller( __METHOD__ ) |
| 304 | ->fetchRowCount(); |
| 305 | } |
| 306 | |
| 307 | /** |
| 308 | * Builds and returns the table element HTML. |
| 309 | * |
| 310 | * @return string HTML |
| 311 | */ |
| 312 | private function buildTableElement(): string { |
| 313 | $caption = Html::element( 'caption', [], $this->msg( 'pendingchanges-table-caption' )->text() ); |
| 314 | $thead = $this->buildTableHeaderCells(); |
| 315 | |
| 316 | return Html::openElement( 'table', [ 'class' => 'cdx-table__table cdx-table__table--borders-vertical' ] ) . |
| 317 | $caption . |
| 318 | $thead . |
| 319 | Html::openElement( 'tbody' ); |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * Builds and returns the table header cells HTML. |
| 324 | * |
| 325 | * @return string HTML |
| 326 | */ |
| 327 | private function buildTableHeaderCells(): string { |
| 328 | $fields = $this->getFieldNames(); |
| 329 | $headerCells = ''; |
| 330 | |
| 331 | foreach ( $fields as $field => $labelKey ) { |
| 332 | $class = ( $field === 'review' || $field === 'history' ) ? 'cdx-table__table__cell--align-center' : ''; |
| 333 | |
| 334 | if ( $field === 'history' ) { |
| 335 | $headerCells .= Html::rawElement( |
| 336 | 'th', |
| 337 | [ 'scope' => 'col', 'class' => $class ], |
| 338 | Html::rawElement( |
| 339 | 'span', |
| 340 | [ 'class' => 'fr-cdx-icon-clock', 'aria-hidden' => 'true' ] |
| 341 | ) |
| 342 | ); |
| 343 | } elseif ( $this->isFieldSortable( $field ) ) { |
| 344 | $isCurrentSortField = ( $this->mSort === $field ); |
| 345 | $currentAsc = $this->getRequest()->getVal( 'asc', '1' ); |
| 346 | |
| 347 | $newSortAsc = $isCurrentSortField && $currentAsc === '1' ? '' : '1'; |
| 348 | $newSortDesc = $isCurrentSortField && $currentAsc === '1' ? '1' : ''; |
| 349 | |
| 350 | $ariaSort = 'none'; |
| 351 | if ( $isCurrentSortField ) { |
| 352 | $ariaSort = $currentAsc === '1' ? 'ascending' : 'descending'; |
| 353 | } |
| 354 | |
| 355 | $iconClass = 'fr-cdx-icon-sort-vertical'; |
| 356 | if ( $isCurrentSortField ) { |
| 357 | $iconClass = $currentAsc === '1' ? 'fr-icon-asc' : 'fr-icon-desc'; |
| 358 | } |
| 359 | |
| 360 | $currentParams = $this->getRequest()->getValues(); |
| 361 | unset( $currentParams['title'], $currentParams['sort'], $currentParams['asc'], $currentParams['desc'] ); |
| 362 | $currentParams['sort'] = $field; |
| 363 | $currentParams['asc'] = $newSortAsc; |
| 364 | $currentParams['desc'] = $newSortDesc; |
| 365 | |
| 366 | $href = $this->getTitle()->getLocalURL( $currentParams ); |
| 367 | |
| 368 | $headerCells .= Html::rawElement( |
| 369 | 'th', |
| 370 | [ |
| 371 | 'scope' => 'col', |
| 372 | 'class' => 'cdx-table__table__cell--has-sort ' . $class, |
| 373 | 'aria-sort' => $ariaSort, |
| 374 | ], |
| 375 | Html::rawElement( |
| 376 | 'a', |
| 377 | [ 'href' => $href ], |
| 378 | Html::rawElement( |
| 379 | 'button', |
| 380 | [ |
| 381 | 'class' => 'cdx-table__table__sort-button', |
| 382 | 'aria-selected' => $isCurrentSortField ? 'true' : 'false' |
| 383 | ], |
| 384 | $this->msg( $labelKey )->escaped() . ' ' . |
| 385 | Html::rawElement( |
| 386 | 'span', |
| 387 | [ 'class' => 'cdx-icon cdx-icon--small cdx-table__table__sort-icon ' . |
| 388 | $iconClass, 'aria-hidden' => 'true' ] |
| 389 | ) |
| 390 | ) |
| 391 | ) |
| 392 | ); |
| 393 | } else { |
| 394 | $headerCells .= Html::rawElement( |
| 395 | 'th', |
| 396 | [ 'scope' => 'col', 'class' => $class ], |
| 397 | Html::rawElement( |
| 398 | 'span', |
| 399 | [ 'class' => 'cdx-table__th-content' ], |
| 400 | $this->msg( $labelKey )->escaped() |
| 401 | ) |
| 402 | ); |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | return Html::rawElement( |
| 407 | 'thead', |
| 408 | [], |
| 409 | Html::rawElement( |
| 410 | 'tr', |
| 411 | [], |
| 412 | $headerCells |
| 413 | ) |
| 414 | ); |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * Builds and returns the end body HTML for the table. |
| 419 | * |
| 420 | * @return string HTML |
| 421 | * @since 1.43 |
| 422 | */ |
| 423 | protected function getEndBody(): string { |
| 424 | return Html::closeElement( 'tbody' ) . |
| 425 | Html::closeElement( 'table' ) . |
| 426 | Html::closeElement( 'div' ) . |
| 427 | $this->buildTableCaption( 'cdx-table__footer' ) . |
| 428 | Html::closeElement( 'div' ); |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * Builds and returns the table caption, currently used both in |
| 433 | * the header and the footer. |
| 434 | * |
| 435 | * @param string $class The class to use for the returning element |
| 436 | * @return string HTML |
| 437 | */ |
| 438 | private function buildTableCaption( string $class ): string { |
| 439 | $pendingCount = $this->getPendingCount(); |
| 440 | $formattedCount = $this->getLanguage()->formatNum( $pendingCount ); |
| 441 | $chip = Html::element( 'strong', [ 'class' => 'cdx-info-chip' ], $formattedCount ); |
| 442 | $message = $this->msg( 'pendingchanges-table-footer' ) |
| 443 | ->rawParams( $chip ) |
| 444 | ->numParams( $pendingCount ) |
| 445 | ->escaped(); |
| 446 | |
| 447 | return Html::rawElement( |
| 448 | 'div', |
| 449 | [ 'class' => $class ], |
| 450 | Html::rawElement( 'span', [], $message ) |
| 451 | ); |
| 452 | } |
| 453 | } |