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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\Statistics; |
| 5 | |
| 6 | use AggregateMessageGroup; |
| 7 | use DeferredUpdates; |
| 8 | use DerivativeContext; |
| 9 | use HTMLForm; |
| 10 | use IContextSource; |
| 11 | use JobQueueGroup; |
| 12 | use MediaWiki\Cache\LinkBatchFactory; |
| 13 | use MediaWiki\Extension\Translate\MessageGroupProcessing\MessageGroupReviewStore; |
| 14 | use MediaWiki\Extension\Translate\MessageGroupProcessing\MessageGroups; |
| 15 | use MediaWiki\Extension\Translate\Utilities\Utilities; |
| 16 | use MediaWiki\Html\Html; |
| 17 | use MediaWiki\Languages\LanguageNameUtils; |
| 18 | use MessageGroup; |
| 19 | use MessageGroupStats; |
| 20 | use ObjectCache; |
| 21 | use SpecialPage; |
| 22 | use Wikimedia\Rdbms\ILoadBalancer; |
| 23 | use WikiPageMessageGroup; |
| 24 | |
| 25 | /** |
| 26 | * Implements includable special page Special:LanguageStats which provides |
| 27 | * translation statistics for all defined message groups. |
| 28 | * |
| 29 | * Loosely based on the statistics code in phase3/maintenance/language |
| 30 | * |
| 31 | * Use {{Special:LanguageStats/nl/1}} to show for 'nl' and suppress completely |
| 32 | * translated groups. |
| 33 | * |
| 34 | * @author Siebrand Mazeland |
| 35 | * @author Niklas Laxström |
| 36 | * @license GPL-2.0-or-later |
| 37 | * @ingroup SpecialPage TranslateSpecialPage Stats |
| 38 | */ |
| 39 | class LanguageStatsSpecialPage extends SpecialPage { |
| 40 | private LanguageNameUtils $languageNameUtils; |
| 41 | private StatsTable $table; |
| 42 | private array $targetValueName = [ 'code', 'language' ]; |
| 43 | /** Most of the displayed numbers added together at the bottom of the table. */ |
| 44 | private array $totals; |
| 45 | /** Flag to set if nothing to show. */ |
| 46 | private bool $nothing = false; |
| 47 | /** Flag to set if not all numbers are available. */ |
| 48 | private bool $incomplete = false; |
| 49 | /** Whether to hide rows which are fully translated. */ |
| 50 | private bool $noComplete = true; |
| 51 | /** Whether to hide rows which are fully untranslated. */ |
| 52 | private bool $noEmpty = false; |
| 53 | /** The target of stats, language code or group id. */ |
| 54 | private string $target; |
| 55 | /** Whether to regenerate stats. Activated by action=purge in query params. */ |
| 56 | private bool $purge; |
| 57 | /** |
| 58 | * Helper variable to avoid overcounting message groups that appear |
| 59 | * multiple times in the list with different parents. Aggregate message |
| 60 | * group stats are always excluded from totals. |
| 61 | */ |
| 62 | private array $statsCounted = []; |
| 63 | private array $states = []; |
| 64 | private LinkBatchFactory $linkBatchFactory; |
| 65 | private ProgressStatsTableFactory $progressStatsTableFactory; |
| 66 | private JobQueueGroup $jobQueueGroup; |
| 67 | private ILoadBalancer $loadBalancer; |
| 68 | private MessageGroupReviewStore $groupReviewStore; |
| 69 | |
| 70 | public function __construct( |
| 71 | LinkBatchFactory $linkBatchFactory, |
| 72 | ProgressStatsTableFactory $progressStatsTableFactory, |
| 73 | LanguageNameUtils $languageNameUtils, |
| 74 | JobQueueGroup $jobQueueGroup, |
| 75 | ILoadBalancer $loadBalancer, |
| 76 | MessageGroupReviewStore $groupReviewStore |
| 77 | ) { |
| 78 | parent::__construct( 'LanguageStats' ); |
| 79 | $this->totals = MessageGroupStats::getEmptyStats(); |
| 80 | $this->linkBatchFactory = $linkBatchFactory; |
| 81 | $this->progressStatsTableFactory = $progressStatsTableFactory; |
| 82 | $this->languageNameUtils = $languageNameUtils; |
| 83 | $this->jobQueueGroup = $jobQueueGroup; |
| 84 | $this->loadBalancer = $loadBalancer; |
| 85 | $this->groupReviewStore = $groupReviewStore; |
| 86 | } |
| 87 | |
| 88 | public function isIncludable() { |
| 89 | return true; |
| 90 | } |
| 91 | |
| 92 | protected function getGroupName() { |
| 93 | return 'translation'; |
| 94 | } |
| 95 | |
| 96 | public function execute( $par ) { |
| 97 | $this->target = $this->getLanguage()->getCode(); |
| 98 | $request = $this->getRequest(); |
| 99 | |
| 100 | $this->purge = $request->getVal( 'action' ) === 'purge'; |
| 101 | if ( $this->purge && !$request->wasPosted() ) { |
| 102 | self::showPurgeForm( $this->getContext() ); |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | $this->table = $this->progressStatsTableFactory->newFromContext( $this->getContext() ); |
| 107 | |
| 108 | $this->setHeaders(); |
| 109 | $this->outputHeader(); |
| 110 | |
| 111 | $out = $this->getOutput(); |
| 112 | |
| 113 | $out->addModules( 'ext.translate.special.languagestats' ); |
| 114 | $out->addModuleStyles( 'ext.translate.statstable' ); |
| 115 | |
| 116 | $params = $par ? explode( '/', $par ) : []; |
| 117 | |
| 118 | if ( isset( $params[0] ) && trim( $params[0] ) ) { |
| 119 | $this->target = $params[0]; |
| 120 | } |
| 121 | |
| 122 | if ( isset( $params[1] ) ) { |
| 123 | $this->noComplete = (bool)$params[1]; |
| 124 | } |
| 125 | |
| 126 | if ( isset( $params[2] ) ) { |
| 127 | $this->noEmpty = (bool)$params[2]; |
| 128 | } |
| 129 | |
| 130 | // Whether the form has been submitted, only relevant if not including |
| 131 | $submitted = !$this->including() && $request->getVal( 'x' ) === 'D'; |
| 132 | |
| 133 | // Default booleans to false if the form was submitted |
| 134 | foreach ( $this->targetValueName as $key ) { |
| 135 | $this->target = $request->getVal( $key, $this->target ); |
| 136 | } |
| 137 | $this->noComplete = $request->getBool( |
| 138 | 'suppresscomplete', |
| 139 | $this->noComplete && !$submitted |
| 140 | ); |
| 141 | $this->noEmpty = $request->getBool( 'suppressempty', $this->noEmpty && !$submitted ); |
| 142 | |
| 143 | if ( !$this->including() ) { |
| 144 | $out->addHelpLink( 'Help:Extension:Translate/Statistics_and_reporting' ); |
| 145 | $this->addForm(); |
| 146 | } |
| 147 | |
| 148 | if ( $this->isValidValue( $this->target ) ) { |
| 149 | $this->outputIntroduction(); |
| 150 | |
| 151 | $stats = $this->loadStatistics( $this->target, MessageGroupStats::FLAG_CACHE_ONLY ); |
| 152 | $output = $this->getTable( $stats ); |
| 153 | if ( $this->incomplete ) { |
| 154 | $out->wrapWikiMsg( |
| 155 | "<div class='error'>$1</div>", |
| 156 | 'translate-langstats-incomplete' |
| 157 | ); |
| 158 | } |
| 159 | |
| 160 | if ( $this->incomplete || $this->purge ) { |
| 161 | DeferredUpdates::addCallableUpdate( function () { |
| 162 | // Attempt to recache on the fly the missing stats, unless a |
| 163 | // purge was requested, because that is likely to time out. |
| 164 | // Even though this is executed inside a deferred update, it |
| 165 | // counts towards the maximum execution time limit. If that is |
| 166 | // reached, or any other failure happens, no updates at all |
| 167 | // will be written into the database, as it does only single |
| 168 | // update at the end. Hence we always add a job too, so that |
| 169 | // even the slower updates will get done at some point. In |
| 170 | // regular case (no purge), the job sees that the stats are |
| 171 | // already updated, so it is not much of an overhead. |
| 172 | $jobParams = $this->getCacheRebuildJobParameters( $this->target ); |
| 173 | $jobParams[ 'purge' ] = $this->purge; |
| 174 | $this->jobQueueGroup->push( RebuildMessageGroupStatsJob::newJob( $jobParams ) ); |
| 175 | |
| 176 | // $this->purge is only true if request was posted |
| 177 | if ( !$this->purge ) { |
| 178 | $this->loadStatistics( $this->target ); |
| 179 | } |
| 180 | } ); |
| 181 | } |
| 182 | if ( $this->nothing ) { |
| 183 | $out->wrapWikiMsg( "<div class='error'>$1</div>", 'translate-mgs-nothing' ); |
| 184 | } |
| 185 | $out->addHTML( $output ); |
| 186 | } elseif ( $submitted ) { |
| 187 | $this->invalidTarget(); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Get stats. |
| 193 | * @param string $target For which target to get stats |
| 194 | * @param int $flags See MessageGroupStats for possible flags |
| 195 | * @return array[] |
| 196 | */ |
| 197 | private function loadStatistics( string $target, int $flags = 0 ): array { |
| 198 | return MessageGroupStats::forLanguage( $target, $flags ); |
| 199 | } |
| 200 | |
| 201 | private function getCacheRebuildJobParameters( $target ): array { |
| 202 | return [ 'languagecode' => $target ]; |
| 203 | } |
| 204 | |
| 205 | /** Return true if language exist in the list of allowed languages or false otherwise. */ |
| 206 | private function isValidValue( string $value ): bool { |
| 207 | $langs = $this->languageNameUtils->getLanguageNames(); |
| 208 | |
| 209 | return isset( $langs[$value] ); |
| 210 | } |
| 211 | |
| 212 | /** Called when the target is unknown. */ |
| 213 | private function invalidTarget(): void { |
| 214 | $this->getOutput()->wrapWikiMsg( |
| 215 | "<div class='error'>$1</div>", |
| 216 | 'translate-page-no-such-language' |
| 217 | ); |
| 218 | } |
| 219 | |
| 220 | public static function showPurgeForm( IContextSource $context ): void { |
| 221 | $formDescriptor = [ |
| 222 | 'intro' => [ |
| 223 | 'type' => 'info', |
| 224 | 'vertical-label' => true, |
| 225 | 'raw' => true, |
| 226 | 'default' => $context->msg( 'confirm-purge-top' )->parse() |
| 227 | ], |
| 228 | ]; |
| 229 | |
| 230 | $derivativeContext = new DerivativeContext( $context ); |
| 231 | $requestValues = $derivativeContext->getRequest()->getQueryValues(); |
| 232 | |
| 233 | HTMLForm::factory( 'ooui', $formDescriptor, $derivativeContext ) |
| 234 | ->setWrapperLegendMsg( 'confirm-purge-title' ) |
| 235 | ->setSubmitTextMsg( 'confirm_purge_button' ) |
| 236 | ->addHiddenFields( $requestValues ) |
| 237 | ->show(); |
| 238 | } |
| 239 | |
| 240 | /** HTMLForm for the top form rendering. */ |
| 241 | private function addForm(): void { |
| 242 | $formDescriptor = [ |
| 243 | 'language' => [ |
| 244 | 'type' => 'text', |
| 245 | 'name' => 'language', |
| 246 | 'id' => 'language', |
| 247 | 'label' => $this->msg( 'translate-language-code-field-name' )->text(), |
| 248 | 'size' => 10, |
| 249 | 'default' => $this->target, |
| 250 | ], |
| 251 | 'suppresscomplete' => [ |
| 252 | 'type' => 'check', |
| 253 | 'label' => $this->msg( 'translate-suppress-complete' )->text(), |
| 254 | 'name' => 'suppresscomplete', |
| 255 | 'id' => 'suppresscomplete', |
| 256 | 'default' => $this->noComplete, |
| 257 | ], |
| 258 | 'suppressempty' => [ |
| 259 | 'type' => 'check', |
| 260 | 'label' => $this->msg( 'translate-ls-noempty' )->text(), |
| 261 | 'name' => 'suppressempty', |
| 262 | 'id' => 'suppressempty', |
| 263 | 'default' => $this->noEmpty, |
| 264 | ], |
| 265 | ]; |
| 266 | |
| 267 | $context = new DerivativeContext( $this->getContext() ); |
| 268 | $context->setTitle( $this->getPageTitle() ); // Remove subpage |
| 269 | |
| 270 | $htmlForm = HTMLForm::factory( 'ooui', $formDescriptor, $context ); |
| 271 | |
| 272 | /* Since these pages are in the tabgroup with Special:Translate, |
| 273 | * it makes sense to retain the selected group/language parameter |
| 274 | * on post requests even when not relevant to the current page. */ |
| 275 | $val = $this->getRequest()->getVal( 'group' ); |
| 276 | if ( $val !== null ) { |
| 277 | $htmlForm->addHiddenField( 'group', $val ); |
| 278 | } |
| 279 | |
| 280 | $htmlForm |
| 281 | ->addHiddenField( 'x', 'D' ) // To detect submission |
| 282 | ->setMethod( 'get' ) |
| 283 | ->setSubmitTextMsg( 'translate-ls-submit' ) |
| 284 | ->setWrapperLegendMsg( 'translate-mgs-fieldset' ) |
| 285 | ->prepareForm() |
| 286 | ->displayForm( false ); |
| 287 | } |
| 288 | |
| 289 | /** Output something helpful to guide the confused user. */ |
| 290 | private function outputIntroduction(): void { |
| 291 | $languageName = Utilities::getLanguageName( |
| 292 | $this->target, |
| 293 | $this->getLanguage()->getCode() |
| 294 | ); |
| 295 | |
| 296 | $rcInLangLink = $this->getLinkRenderer()->makeKnownLink( |
| 297 | SpecialPage::getTitleFor( 'Translate', '!recent' ), |
| 298 | $this->msg( 'languagestats-recenttranslations' )->text(), |
| 299 | [], |
| 300 | [ |
| 301 | 'action' => 'proofread', |
| 302 | 'language' => $this->target |
| 303 | ] |
| 304 | ); |
| 305 | |
| 306 | $out = $this->msg( 'languagestats-stats-for', $languageName )->rawParams( $rcInLangLink ) |
| 307 | ->parseAsBlock(); |
| 308 | $this->getOutput()->addHTML( $out ); |
| 309 | } |
| 310 | |
| 311 | private function getWorkflowStateCell( string $messageGroupId ): string { |
| 312 | if ( $this->states === [] ) { |
| 313 | return ''; |
| 314 | } |
| 315 | |
| 316 | return $this->table->makeWorkflowStateCell( |
| 317 | $this->states[$messageGroupId] ?? null, |
| 318 | MessageGroups::getGroup( $messageGroupId ), |
| 319 | $this->target |
| 320 | ); |
| 321 | } |
| 322 | |
| 323 | private function getTable( array $stats ): string { |
| 324 | global $wgTranslateWorkflowStates; |
| 325 | |
| 326 | $table = $this->table; |
| 327 | $out = ''; |
| 328 | |
| 329 | // This avoids a database query per translatable page, which would be caused by |
| 330 | // $group->getSourceLanguage() in $this->getWorkflowStateCell without preloading |
| 331 | $lb = $this->linkBatchFactory->newLinkBatch(); |
| 332 | foreach ( MessageGroups::getAllGroups() as $group ) { |
| 333 | if ( $group instanceof WikiPageMessageGroup ) { |
| 334 | $lb->addObj( $group->getTitle() ); |
| 335 | } |
| 336 | } |
| 337 | $lb->setCaller( __METHOD__ )->execute(); |
| 338 | |
| 339 | $structure = MessageGroups::getGroupStructure(); |
| 340 | |
| 341 | if ( $wgTranslateWorkflowStates ) { |
| 342 | $this->states = $this->groupReviewStore->getWorkflowStatesForLanguage( |
| 343 | $this->target, |
| 344 | array_keys( $structure ) |
| 345 | ); |
| 346 | // An array where keys are state names and values are numbers |
| 347 | $this->table->addExtraColumn( $this->msg( 'translate-stats-workflow' ) ); |
| 348 | } |
| 349 | |
| 350 | foreach ( $structure as $item ) { |
| 351 | $out .= $this->makeGroupGroup( $item, $stats ); |
| 352 | } |
| 353 | |
| 354 | if ( $out ) { |
| 355 | $table->setMainColumnHeader( $this->msg( 'translate-ls-column-group' ) ); |
| 356 | $out = $table->createHeader() . "\n" . $out; |
| 357 | $out .= Html::closeElement( 'tbody' ); |
| 358 | |
| 359 | $out .= Html::openElement( 'tfoot' ); |
| 360 | $out .= $table->makeTotalRow( |
| 361 | $this->msg( 'translate-languagestats-overall' ), |
| 362 | $this->totals |
| 363 | ); |
| 364 | $out .= Html::closeElement( 'tfoot' ); |
| 365 | |
| 366 | $out .= Html::closeElement( 'table' ); |
| 367 | |
| 368 | return $out; |
| 369 | } else { |
| 370 | $this->nothing = true; |
| 371 | |
| 372 | return ''; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * Creates a html table row for given (top-level) message group. |
| 378 | * If $item is an array, meaning that the first group is an |
| 379 | * AggregateMessageGroup and the latter are its children, it will recurse |
| 380 | * and create rows for them too. |
| 381 | * @param MessageGroup|MessageGroup[] $item |
| 382 | * @param array $cache Cache as returned by MessageGroupStats::forLanguage |
| 383 | * @param MessageGroup|null $parent MessageGroup (do not use, used internally only) |
| 384 | * @param int $depth The depth level of nesting. Top level is zero. |
| 385 | */ |
| 386 | private function makeGroupGroup( $item, array $cache, MessageGroup $parent = null, int $depth = 0 ): string { |
| 387 | if ( !is_array( $item ) ) { |
| 388 | return $this->makeGroupRow( $item, $cache, $parent, $depth ); |
| 389 | } |
| 390 | |
| 391 | // The first group in the array is the parent AggregateMessageGroup |
| 392 | $out = ''; |
| 393 | $top = array_shift( $item ); |
| 394 | $out .= $this->makeGroupRow( $top, $cache, $parent, $depth ); |
| 395 | |
| 396 | // Rest are children |
| 397 | foreach ( $item as $subgroup ) { |
| 398 | $out .= $this->makeGroupGroup( $subgroup, $cache, $top, $depth + 1 ); |
| 399 | } |
| 400 | |
| 401 | return $out; |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Actually creates the table for single message group, unless it |
| 406 | * is in the exclusion list or hidden by filters. |
| 407 | */ |
| 408 | private function makeGroupRow( |
| 409 | MessageGroup $group, |
| 410 | array $cache, |
| 411 | MessageGroup $parent = null, |
| 412 | int $depth = 0 |
| 413 | ): string { |
| 414 | $groupId = $group->getId(); |
| 415 | |
| 416 | if ( $this->table->isExcluded( $group, $this->target ) ) { |
| 417 | return ''; |
| 418 | } |
| 419 | |
| 420 | $stats = $cache[$groupId]; |
| 421 | $total = $stats[MessageGroupStats::TOTAL]; |
| 422 | $translated = $stats[MessageGroupStats::TRANSLATED]; |
| 423 | $fuzzy = $stats[MessageGroupStats::FUZZY]; |
| 424 | |
| 425 | // Quick checks to see whether filters apply |
| 426 | if ( $this->noComplete && $fuzzy === 0 && $translated === $total ) { |
| 427 | return ''; |
| 428 | } |
| 429 | if ( $this->noEmpty && $translated === 0 && $fuzzy === 0 ) { |
| 430 | return ''; |
| 431 | } |
| 432 | |
| 433 | if ( $total === null ) { |
| 434 | $this->incomplete = true; |
| 435 | } |
| 436 | |
| 437 | // Calculation of summary row values |
| 438 | if ( !$group instanceof AggregateMessageGroup && |
| 439 | !isset( $this->statsCounted[$groupId] ) |
| 440 | ) { |
| 441 | $this->totals = MessageGroupStats::multiAdd( $this->totals, $stats ); |
| 442 | $this->statsCounted[$groupId] = true; |
| 443 | } |
| 444 | |
| 445 | // Place any state checks like $this->incomplete above this |
| 446 | $params = $stats; |
| 447 | $params[] = $this->states[$groupId] ?? ''; |
| 448 | $params[] = md5( $groupId ); |
| 449 | $params[] = $this->getLanguage()->getCode(); |
| 450 | $params[] = md5( $this->target ); |
| 451 | $params[] = $parent ? $parent->getId() : '!'; |
| 452 | $params[] = $depth; |
| 453 | |
| 454 | $cache = ObjectCache::getInstance( CACHE_ANYTHING ); |
| 455 | |
| 456 | return $cache->getWithSetCallback( |
| 457 | $cache->makeKey( __METHOD__ . '-v3', implode( '-', $params ) ), |
| 458 | $cache::TTL_DAY, |
| 459 | function () use ( $translated, $total, $groupId, $group, $parent, $stats, $depth ) { |
| 460 | // Any data variable read below should be part of the cache key above |
| 461 | $extra = []; |
| 462 | if ( $translated === $total ) { |
| 463 | $extra = [ 'action' => 'proofread' ]; |
| 464 | } |
| 465 | |
| 466 | $rowParams = []; |
| 467 | $rowParams['data-groupid'] = $groupId; |
| 468 | $rowParams['class'] = get_class( $group ); |
| 469 | if ( $parent ) { |
| 470 | $rowParams['data-parentgroup'] = $parent->getId(); |
| 471 | } |
| 472 | if ( $depth ) { |
| 473 | $rowParams['data-depth'] = $depth; |
| 474 | } |
| 475 | |
| 476 | return "\t" . |
| 477 | Html::openElement( 'tr', $rowParams ) . |
| 478 | "\n\t\t" . |
| 479 | Html::rawElement( |
| 480 | 'td', |
| 481 | [], |
| 482 | $this->table->makeGroupLink( $group, $this->target, $extra ) |
| 483 | ) . $this->table->makeNumberColumns( $stats ) . |
| 484 | $this->getWorkflowStateCell( $groupId ) . |
| 485 | "\n\t" . |
| 486 | Html::closeElement( 'tr' ) . |
| 487 | "\n"; |
| 488 | } |
| 489 | ); |
| 490 | } |
| 491 | } |