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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Context\RequestContext; |
| 4 | use MediaWiki\MediaWikiServices; |
| 5 | use MediaWiki\Parser\Sanitizer; |
| 6 | use MediaWiki\Permissions\PermissionManager; |
| 7 | use MediaWiki\Title\Title; |
| 8 | use MediaWiki\User\User; |
| 9 | use MediaWiki\User\UserIdentity; |
| 10 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 11 | |
| 12 | class Thread { |
| 13 | /* SCHEMA changes must be reflected here. */ |
| 14 | |
| 15 | /* ID references to other objects that are loaded on demand: */ |
| 16 | /** @var int|null */ |
| 17 | protected $rootId; |
| 18 | /** @var int|null */ |
| 19 | protected $articleId; |
| 20 | /** @var int|null */ |
| 21 | protected $summaryId; |
| 22 | /** @var int|null */ |
| 23 | protected $ancestorId; |
| 24 | /** @var int|null */ |
| 25 | protected $parentId; |
| 26 | |
| 27 | /* Actual objects loaded on demand from the above when accessors are called: */ |
| 28 | /** @var Article|null */ |
| 29 | protected $root; |
| 30 | /** @var Article|null */ |
| 31 | protected $article; |
| 32 | /** @var Article|null */ |
| 33 | protected $summary; |
| 34 | /** @var self|null */ |
| 35 | protected $superthread; |
| 36 | /** @var self|null */ |
| 37 | protected $ancestor; |
| 38 | |
| 39 | /** @var int|null namespace of Subject page of the talkpage we're attached to */ |
| 40 | protected $articleNamespace; |
| 41 | /** @var string|null Subject page of the talkpage we're attached to: */ |
| 42 | protected $articleTitle; |
| 43 | |
| 44 | /** @var string Timestamp */ |
| 45 | protected $modified; |
| 46 | /** @var string Timestamp */ |
| 47 | protected $created; |
| 48 | /** @var string Timestamp */ |
| 49 | protected $sortkey; |
| 50 | |
| 51 | /** @var int */ |
| 52 | protected $id; |
| 53 | /** @var int|null */ |
| 54 | protected $type; |
| 55 | /** @var string|null */ |
| 56 | protected $subject; |
| 57 | /** @var int */ |
| 58 | protected $authorId; |
| 59 | /** @var string|null */ |
| 60 | protected $authorName; |
| 61 | /** @var string|null */ |
| 62 | protected $signature; |
| 63 | /** @var int */ |
| 64 | protected $replyCount; |
| 65 | |
| 66 | /** @var bool|null */ |
| 67 | protected $allDataLoaded; |
| 68 | |
| 69 | /** @var bool */ |
| 70 | protected $isHistorical = false; |
| 71 | |
| 72 | /** @var int|null */ |
| 73 | protected $rootRevision; |
| 74 | |
| 75 | /** @var int Flag about who has edited or replied to this thread. */ |
| 76 | public $editedness; |
| 77 | /** @var string[]|null */ |
| 78 | protected $editors = null; |
| 79 | |
| 80 | /** @var Thread[]|null */ |
| 81 | protected $replies; |
| 82 | /** @var array[]|null */ |
| 83 | protected $reactions; |
| 84 | |
| 85 | /** @var self|null */ |
| 86 | public $dbVersion; // A copy of the thread as it exists in the database. |
| 87 | /** @var ThreadRevision */ |
| 88 | public $threadRevision; |
| 89 | |
| 90 | /** @var Title[] */ |
| 91 | public static $titleCacheById = []; |
| 92 | /** @var self[][] */ |
| 93 | public static $replyCacheById = []; |
| 94 | /** @var Article[] */ |
| 95 | public static $articleCacheById = []; |
| 96 | /** @var array[][] */ |
| 97 | public static $reactionCacheById = []; |
| 98 | |
| 99 | /** @var int[] */ |
| 100 | public static $VALID_TYPES = [ |
| 101 | Threads::TYPE_NORMAL, Threads::TYPE_MOVED, Threads::TYPE_DELETED ]; |
| 102 | |
| 103 | public function isHistorical() { |
| 104 | return $this->isHistorical; |
| 105 | } |
| 106 | |
| 107 | public static function create( |
| 108 | $root, |
| 109 | Article $article, |
| 110 | User $user, |
| 111 | ?self $superthread, |
| 112 | $type = Threads::TYPE_NORMAL, |
| 113 | $subject = '', |
| 114 | $summary = '', |
| 115 | $bump = null, |
| 116 | $signature = null |
| 117 | ) { |
| 118 | $thread = new self( null ); |
| 119 | |
| 120 | if ( !in_array( $type, self::$VALID_TYPES ) ) { |
| 121 | throw new UnexpectedValueException( __METHOD__ . ": invalid change type $type." ); |
| 122 | } |
| 123 | |
| 124 | if ( $superthread ) { |
| 125 | $change_type = Threads::CHANGE_REPLY_CREATED; |
| 126 | } else { |
| 127 | $change_type = Threads::CHANGE_NEW_THREAD; |
| 128 | } |
| 129 | |
| 130 | $thread->setAuthor( $user ); |
| 131 | |
| 132 | if ( is_object( $root ) ) { |
| 133 | $thread->setRoot( $root ); |
| 134 | } else { |
| 135 | $thread->setRootId( $root ); |
| 136 | } |
| 137 | |
| 138 | $thread->setSuperthread( $superthread ); |
| 139 | $thread->setArticle( $article ); |
| 140 | $thread->setSubject( $subject ); |
| 141 | $thread->setType( $type ); |
| 142 | |
| 143 | if ( $signature !== null ) { |
| 144 | $thread->setSignature( $signature ); |
| 145 | } |
| 146 | |
| 147 | $thread->insert(); |
| 148 | |
| 149 | if ( $superthread ) { |
| 150 | $superthread->addReply( $thread ); |
| 151 | |
| 152 | $superthread->commitRevision( $change_type, $user, $thread, $summary, $bump ); |
| 153 | } else { |
| 154 | ThreadRevision::create( $thread, $change_type, $user ); |
| 155 | } |
| 156 | |
| 157 | // Create talk page |
| 158 | Threads::createTalkpageIfNeeded( $article->getPage() ); |
| 159 | |
| 160 | // Notifications |
| 161 | NewMessages::writeMessageStateForUpdatedThread( $thread, $change_type, $user ); |
| 162 | |
| 163 | $services = MediaWikiServices::getInstance(); |
| 164 | $userOptionsLookup = $services->getUserOptionsLookup(); |
| 165 | $watchlistManager = $services->getWatchlistManager(); |
| 166 | if ( $userOptionsLookup->getOption( $user, 'lqt-watch-threads', false ) ) { |
| 167 | $watchlistManager->addWatch( $user, $thread->topmostThread()->root()->getTitle() ); |
| 168 | } |
| 169 | |
| 170 | return $thread; |
| 171 | } |
| 172 | |
| 173 | public function insert() { |
| 174 | $this->dieIfHistorical(); |
| 175 | |
| 176 | if ( $this->id() ) { |
| 177 | throw new LogicException( "Attempt to insert a thread that already exists." ); |
| 178 | } |
| 179 | |
| 180 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 181 | |
| 182 | $row = $this->getRow(); |
| 183 | |
| 184 | $dbw->newInsertQueryBuilder() |
| 185 | ->insertInto( 'thread' ) |
| 186 | ->row( $row ) |
| 187 | ->caller( __METHOD__ ) |
| 188 | ->execute(); |
| 189 | $this->id = $dbw->insertId(); |
| 190 | |
| 191 | // Touch the root |
| 192 | if ( $this->root() ) { |
| 193 | $this->root()->getTitle()->invalidateCache(); |
| 194 | } |
| 195 | |
| 196 | // Touch the talk page, too. |
| 197 | $this->getTitle()->invalidateCache(); |
| 198 | |
| 199 | $this->dbVersion = clone $this; |
| 200 | $this->dbVersion->dbVersion = null; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * @param Article $article |
| 205 | */ |
| 206 | public function setRoot( $article ) { |
| 207 | $this->rootId = $article->getPage()->getId(); |
| 208 | $this->root = $article; |
| 209 | |
| 210 | if ( $article->getTitle()->getNamespace() != NS_LQT_THREAD ) { |
| 211 | throw new LogicException( "Attempt to set thread root to a non-Thread page" ); |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | public function setRootId( $article ) { |
| 216 | $this->rootId = $article; |
| 217 | $this->root = null; |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * @param int $change_type |
| 222 | * @param User $user |
| 223 | * @param self|null $change_object |
| 224 | * @param string $reason |
| 225 | * @param bool|null $bump |
| 226 | * |
| 227 | * @throws Exception |
| 228 | */ |
| 229 | public function commitRevision( |
| 230 | $change_type, |
| 231 | User $user, |
| 232 | $change_object = null, |
| 233 | $reason = "", |
| 234 | $bump = null |
| 235 | ) { |
| 236 | $this->dieIfHistorical(); |
| 237 | |
| 238 | global $wgThreadActionsNoBump; |
| 239 | if ( $bump === null ) { |
| 240 | $bump = !in_array( $change_type, $wgThreadActionsNoBump ); |
| 241 | } |
| 242 | if ( $bump ) { |
| 243 | $this->sortkey = wfTimestamp( TS_MW ); |
| 244 | } |
| 245 | |
| 246 | $original = $this->dbVersion; |
| 247 | if ( $original->signature() != $this->signature() ) { |
| 248 | $this->logChange( |
| 249 | Threads::CHANGE_EDITED_SIGNATURE, |
| 250 | $original, |
| 251 | null, |
| 252 | $reason |
| 253 | ); |
| 254 | } |
| 255 | |
| 256 | $this->modified = wfTimestampNow(); |
| 257 | $this->updateEditedness( $change_type, $user ); |
| 258 | $this->save( __METHOD__ . "/" . wfGetCaller() ); |
| 259 | |
| 260 | $topmost = $this->topmostThread(); |
| 261 | $topmost->modified = wfTimestampNow(); |
| 262 | if ( $bump ) { |
| 263 | $topmost->setSortKey( wfTimestamp( TS_MW ) ); |
| 264 | } |
| 265 | $topmost->save(); |
| 266 | |
| 267 | ThreadRevision::create( $this, $change_type, $user, $change_object, $reason ); |
| 268 | $this->logChange( $change_type, $original, $change_object, $reason ); |
| 269 | |
| 270 | if ( $change_type == Threads::CHANGE_EDITED_ROOT ) { |
| 271 | NewMessages::writeMessageStateForUpdatedThread( $this, $change_type, $user ); |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | /** |
| 276 | * @param int $change_type |
| 277 | * @param self $original |
| 278 | * @param self|null $change_object |
| 279 | * @param string|null $reason |
| 280 | */ |
| 281 | public function logChange( |
| 282 | $change_type, |
| 283 | $original, |
| 284 | $change_object = null, |
| 285 | $reason = '' |
| 286 | ) { |
| 287 | $log = new LogPage( 'liquidthreads' ); |
| 288 | $user = $this->author(); |
| 289 | |
| 290 | if ( $reason === null ) { |
| 291 | $reason = ''; |
| 292 | } |
| 293 | |
| 294 | switch ( $change_type ) { |
| 295 | case Threads::CHANGE_MOVED_TALKPAGE: |
| 296 | $log->addEntry( |
| 297 | 'move', |
| 298 | $this->title(), |
| 299 | $reason, |
| 300 | [ $original->getTitle(), $this->getTitle() ], |
| 301 | $user |
| 302 | ); |
| 303 | break; |
| 304 | case Threads::CHANGE_SPLIT: |
| 305 | $log->addEntry( |
| 306 | 'split', |
| 307 | $this->title(), |
| 308 | $reason, |
| 309 | [ $this->subject(), $original->superthread()->title() ], |
| 310 | $user |
| 311 | ); |
| 312 | break; |
| 313 | case Threads::CHANGE_EDITED_SUBJECT: |
| 314 | $log->addEntry( |
| 315 | 'subjectedit', |
| 316 | $this->title(), |
| 317 | $reason, |
| 318 | [ $original->subject(), $this->subject() ], |
| 319 | $user |
| 320 | ); |
| 321 | break; |
| 322 | case Threads::CHANGE_MERGED_TO: |
| 323 | $oldParent = $change_object->dbVersion->isTopmostThread() |
| 324 | ? '' |
| 325 | : $change_object->dbVersion->superthread()->title(); |
| 326 | |
| 327 | $log->addEntry( |
| 328 | 'merge', |
| 329 | $this->title(), |
| 330 | $reason, |
| 331 | [ $oldParent, $change_object->superthread()->title() ], |
| 332 | $user |
| 333 | ); |
| 334 | break; |
| 335 | case Threads::CHANGE_ADJUSTED_SORTKEY: |
| 336 | $log->addEntry( |
| 337 | 'resort', |
| 338 | $this->title(), |
| 339 | $reason, |
| 340 | [ $original->sortkey(), $this->sortkey() ], |
| 341 | $user |
| 342 | ); |
| 343 | break; |
| 344 | case Threads::CHANGE_EDITED_SIGNATURE: |
| 345 | $log->addEntry( |
| 346 | 'signatureedit', |
| 347 | $this->title(), |
| 348 | $reason, |
| 349 | [ $original->signature(), $this->signature() ], |
| 350 | $user |
| 351 | ); |
| 352 | break; |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | private function updateEditedness( $change_type, User $user ) { |
| 357 | if ( $change_type == Threads::CHANGE_REPLY_CREATED |
| 358 | && $this->editedness == Threads::EDITED_NEVER ) { |
| 359 | $this->editedness = Threads::EDITED_HAS_REPLY; |
| 360 | } elseif ( $change_type == Threads::CHANGE_EDITED_ROOT ) { |
| 361 | $originalAuthor = $this->author(); |
| 362 | |
| 363 | if ( ( $user->getId() == 0 && $originalAuthor->getName() != $user->getName() ) |
| 364 | || $user->getId() != $originalAuthor->getId() ) { |
| 365 | $this->editedness = Threads::EDITED_BY_OTHERS; |
| 366 | } elseif ( $this->editedness == Threads::EDITED_HAS_REPLY ) { |
| 367 | $this->editedness = Threads::EDITED_BY_AUTHOR; |
| 368 | } |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Unless you know what you're doing, you want commitRevision |
| 374 | * @param string|null $fname |
| 375 | */ |
| 376 | public function save( $fname = null ) { |
| 377 | $this->dieIfHistorical(); |
| 378 | |
| 379 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 380 | |
| 381 | if ( !$fname ) { |
| 382 | $fname = __METHOD__ . "/" . wfGetCaller(); |
| 383 | } else { |
| 384 | $fname = __METHOD__ . "/" . $fname; |
| 385 | } |
| 386 | |
| 387 | $dbw->newUpdateQueryBuilder() |
| 388 | ->update( 'thread' ) |
| 389 | ->set( $this->getRow() ) |
| 390 | ->where( [ 'thread_id' => $this->id, ] ) |
| 391 | ->caller( $fname ) |
| 392 | ->execute(); |
| 393 | |
| 394 | // Touch the root |
| 395 | if ( $this->root() ) { |
| 396 | $this->root()->getTitle()->invalidateCache(); |
| 397 | } |
| 398 | |
| 399 | // Touch the talk page, too. |
| 400 | $this->getTitle()->invalidateCache(); |
| 401 | |
| 402 | $this->dbVersion = clone $this; |
| 403 | $this->dbVersion->dbVersion = null; |
| 404 | } |
| 405 | |
| 406 | public function getRow() { |
| 407 | $id = $this->id(); |
| 408 | |
| 409 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 410 | |
| 411 | // If there's no root, bail out with an error message |
| 412 | if ( !$this->rootId && !( $this->type & Threads::TYPE_DELETED ) ) { |
| 413 | throw new LogicException( "Non-deleted thread saved with empty root ID" ); |
| 414 | } |
| 415 | |
| 416 | if ( $this->replyCount < -1 ) { |
| 417 | wfWarn( |
| 418 | "Saving thread $id with negative reply count {$this->replyCount} " . |
| 419 | wfGetAllCallers() |
| 420 | ); |
| 421 | $this->replyCount = -1; |
| 422 | } |
| 423 | |
| 424 | $contLang = MediaWikiServices::getInstance()->getContentLanguage(); |
| 425 | // Reflect schema changes here. |
| 426 | $row = [ |
| 427 | 'thread_root' => $this->rootId, |
| 428 | 'thread_parent' => $this->parentId, |
| 429 | 'thread_article_namespace' => $this->articleNamespace, |
| 430 | 'thread_article_title' => $this->articleTitle, |
| 431 | 'thread_article_id' => $this->articleId, |
| 432 | 'thread_modified' => $dbw->timestamp( $this->modified ), |
| 433 | 'thread_created' => $dbw->timestamp( $this->created ), |
| 434 | 'thread_ancestor' => $this->ancestorId, |
| 435 | 'thread_type' => $this->type, |
| 436 | 'thread_subject' => $this->subject, |
| 437 | 'thread_author_id' => $this->authorId, |
| 438 | 'thread_author_name' => $this->authorName, |
| 439 | 'thread_summary_page' => $this->summaryId, |
| 440 | 'thread_editedness' => $this->editedness, |
| 441 | 'thread_sortkey' => $this->sortkey, |
| 442 | 'thread_replies' => $this->replyCount, |
| 443 | 'thread_signature' => $contLang->truncateForDatabase( $this->signature, 255, '' ), |
| 444 | ]; |
| 445 | if ( $id ) { |
| 446 | $row['thread_id'] = $id; |
| 447 | } |
| 448 | |
| 449 | return $row; |
| 450 | } |
| 451 | |
| 452 | public function author() { |
| 453 | if ( $this->authorId ) { |
| 454 | return User::newFromId( $this->authorId ); |
| 455 | } else { |
| 456 | // Do NOT validate username. If the user did it, they did it. |
| 457 | return User::newFromName( $this->authorName, false /* no validation */ ); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | public function delete( $reason, $commit = true ) { |
| 462 | if ( $this->type == Threads::TYPE_DELETED ) { |
| 463 | return; |
| 464 | } |
| 465 | |
| 466 | $this->type = Threads::TYPE_DELETED; |
| 467 | $user = RequestContext::getMain()->getUser(); // Need to inject |
| 468 | |
| 469 | if ( $commit ) { |
| 470 | $this->commitRevision( Threads::CHANGE_DELETED, $user, $this, $reason ); |
| 471 | } else { |
| 472 | $this->save( __METHOD__ ); |
| 473 | } |
| 474 | /* Mark thread as read by all users, or we get blank thingies in New Messages. */ |
| 475 | |
| 476 | $this->dieIfHistorical(); |
| 477 | |
| 478 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 479 | |
| 480 | $dbw->newDeleteQueryBuilder() |
| 481 | ->deleteFrom( 'user_message_state' ) |
| 482 | ->where( [ 'ums_thread' => $this->id() ] ) |
| 483 | ->caller( __METHOD__ ) |
| 484 | ->execute(); |
| 485 | |
| 486 | // Fix reply count. |
| 487 | $t = $this->superthread(); |
| 488 | |
| 489 | if ( $t ) { |
| 490 | $t->decrementReplyCount( 1 + $this->replyCount() ); |
| 491 | $t->save(); |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | public function undelete( $reason ) { |
| 496 | $this->type = Threads::TYPE_NORMAL; |
| 497 | $user = RequestContext::getMain()->getUser(); // Need to inject |
| 498 | $this->commitRevision( Threads::CHANGE_UNDELETED, $user, $this, $reason ); |
| 499 | |
| 500 | // Fix reply count. |
| 501 | $t = $this->superthread(); |
| 502 | if ( $t ) { |
| 503 | $t->incrementReplyCount( 1 ); |
| 504 | $t->save(); |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | public function moveToPage( $title, $reason, $leave_trace, User $user ) { |
| 509 | if ( !$this->isTopmostThread() ) { |
| 510 | throw new LogicException( "Attempt to move non-toplevel thread to another page" ); |
| 511 | } |
| 512 | |
| 513 | $this->dieIfHistorical(); |
| 514 | |
| 515 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 516 | |
| 517 | $oldTitle = $this->getTitle(); |
| 518 | $newTitle = $title; |
| 519 | |
| 520 | $new_articleNamespace = $title->getNamespace(); |
| 521 | $new_articleTitle = $title->getDBkey(); |
| 522 | $new_articleID = $title->getArticleID(); |
| 523 | |
| 524 | if ( !$new_articleID ) { |
| 525 | $page = MediaWikiServices::getInstance()->getWikiPageFactory()->newFromTitle( $newTitle ); |
| 526 | Threads::createTalkpageIfNeeded( $page ); |
| 527 | $new_articleID = $page->getId(); |
| 528 | } |
| 529 | |
| 530 | // Update on *all* subthreads. |
| 531 | $dbw->newUpdateQueryBuilder() |
| 532 | ->update( 'thread' ) |
| 533 | ->set( [ |
| 534 | 'thread_article_namespace' => $new_articleNamespace, |
| 535 | 'thread_article_title' => $new_articleTitle, |
| 536 | 'thread_article_id' => $new_articleID, |
| 537 | ] ) |
| 538 | ->where( [ 'thread_ancestor' => $this->id() ] ) |
| 539 | ->caller( __METHOD__ ) |
| 540 | ->execute(); |
| 541 | |
| 542 | $this->articleNamespace = $new_articleNamespace; |
| 543 | $this->articleTitle = $new_articleTitle; |
| 544 | $this->articleId = $new_articleID; |
| 545 | $this->article = null; |
| 546 | |
| 547 | $this->commitRevision( Threads::CHANGE_MOVED_TALKPAGE, $user, null, $reason ); |
| 548 | |
| 549 | // Notifications |
| 550 | NewMessages::writeMessageStateForUpdatedThread( $this, $this->type, $user ); |
| 551 | |
| 552 | if ( $leave_trace ) { |
| 553 | $this->leaveTrace( $reason, $oldTitle, $newTitle, $user ); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | /** |
| 558 | * Drop a note at the source location of a move, noting that a thread was moved from there. |
| 559 | * |
| 560 | * @param string $reason |
| 561 | * @param Title $oldTitle |
| 562 | * @param Title $newTitle |
| 563 | * @param User $user |
| 564 | */ |
| 565 | public function leaveTrace( $reason, $oldTitle, $newTitle, User $user ) { |
| 566 | $this->dieIfHistorical(); |
| 567 | |
| 568 | // Create redirect text |
| 569 | $mwRedir = \MediaWiki\MediaWikiServices::getInstance()->getMagicWordFactory()->get( 'redirect' ); |
| 570 | $redirectText = $mwRedir->getSynonym( 0 ) . |
| 571 | ' [[' . $this->title()->getPrefixedText() . "]]\n"; |
| 572 | |
| 573 | // Make the article edit. |
| 574 | $traceTitle = Threads::newThreadTitle( $this->subject(), new Article( $oldTitle, 0 ) ); |
| 575 | $redirectArticle = new Article( $traceTitle, 0 ); |
| 576 | |
| 577 | $redirectArticle->getPage()->doUserEditContent( |
| 578 | ContentHandler::makeContent( $redirectText, $traceTitle ), |
| 579 | $user, |
| 580 | $reason, |
| 581 | EDIT_NEW | EDIT_SUPPRESS_RC |
| 582 | ); |
| 583 | |
| 584 | // Add the trace thread to the tracking table. |
| 585 | $thread = self::create( |
| 586 | $redirectArticle, |
| 587 | new Article( $oldTitle, 0 ), |
| 588 | $user, |
| 589 | null, |
| 590 | Threads::TYPE_MOVED, |
| 591 | $this->subject() |
| 592 | ); |
| 593 | |
| 594 | $thread->setSortKey( $this->sortkey() ); |
| 595 | $thread->save(); |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * Lists total reply count, including replies to replies and such |
| 600 | * |
| 601 | * @return int |
| 602 | */ |
| 603 | public function replyCount() { |
| 604 | // Populate reply count |
| 605 | if ( $this->replyCount == -1 ) { |
| 606 | if ( $this->isTopmostThread() ) { |
| 607 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 608 | |
| 609 | $count = $dbr->newSelectQueryBuilder() |
| 610 | ->select( 'COUNT(*)' ) |
| 611 | ->from( 'thread' ) |
| 612 | ->where( [ 'thread_ancestor' => $this->id() ] ) |
| 613 | ->caller( __METHOD__ ) |
| 614 | ->fetchField(); |
| 615 | } else { |
| 616 | $count = self::recursiveGetReplyCount( $this ); |
| 617 | } |
| 618 | |
| 619 | $this->replyCount = $count; |
| 620 | $this->save(); |
| 621 | } |
| 622 | |
| 623 | return $this->replyCount; |
| 624 | } |
| 625 | |
| 626 | public function incrementReplyCount( $val = 1 ) { |
| 627 | $this->replyCount += $val; |
| 628 | |
| 629 | wfDebug( "Incremented reply count for thread " . $this->id() . " to " . |
| 630 | $this->replyCount . "\n" ); |
| 631 | |
| 632 | $thread = $this->superthread(); |
| 633 | |
| 634 | if ( $thread ) { |
| 635 | $thread->incrementReplyCount( $val ); |
| 636 | wfDebug( "Saving Incremented thread " . $thread->id() . |
| 637 | " with reply count " . $thread->replyCount . "\n" ); |
| 638 | $thread->save(); |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | public function decrementReplyCount( $val = 1 ) { |
| 643 | $this->incrementReplyCount( -$val ); |
| 644 | } |
| 645 | |
| 646 | /** |
| 647 | * @param stdClass $row |
| 648 | * @return self |
| 649 | */ |
| 650 | public static function newFromRow( $row ) { |
| 651 | $id = $row->thread_id; |
| 652 | |
| 653 | if ( isset( Threads::$cache_by_id[$id] ) ) { |
| 654 | return Threads::$cache_by_id[$id]; |
| 655 | } |
| 656 | |
| 657 | return new self( $row ); |
| 658 | } |
| 659 | |
| 660 | /** |
| 661 | * @param stdClass|null $line |
| 662 | * @param null $unused |
| 663 | */ |
| 664 | protected function __construct( $line, $unused = null ) { |
| 665 | /* SCHEMA changes must be reflected here. */ |
| 666 | |
| 667 | if ( $line === null ) { // For Thread::create(). |
| 668 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 669 | $this->modified = $dbr->timestamp( wfTimestampNow() ); |
| 670 | $this->created = $dbr->timestamp( wfTimestampNow() ); |
| 671 | $this->sortkey = wfTimestamp( TS_MW ); |
| 672 | $this->editedness = Threads::EDITED_NEVER; |
| 673 | $this->replyCount = 0; |
| 674 | return; |
| 675 | } |
| 676 | |
| 677 | $dataLoads = [ |
| 678 | 'thread_id' => 'id', |
| 679 | 'thread_root' => 'rootId', |
| 680 | 'thread_article_namespace' => 'articleNamespace', |
| 681 | 'thread_article_title' => 'articleTitle', |
| 682 | 'thread_article_id' => 'articleId', |
| 683 | 'thread_summary_page' => 'summaryId', |
| 684 | 'thread_ancestor' => 'ancestorId', |
| 685 | 'thread_parent' => 'parentId', |
| 686 | 'thread_modified' => 'modified', |
| 687 | 'thread_created' => 'created', |
| 688 | 'thread_type' => 'type', |
| 689 | 'thread_editedness' => 'editedness', |
| 690 | 'thread_subject' => 'subject', |
| 691 | 'thread_author_id' => 'authorId', |
| 692 | 'thread_author_name' => 'authorName', |
| 693 | 'thread_sortkey' => 'sortkey', |
| 694 | 'thread_replies' => 'replyCount', |
| 695 | 'thread_signature' => 'signature', |
| 696 | ]; |
| 697 | |
| 698 | foreach ( $dataLoads as $db_field => $member_field ) { |
| 699 | if ( isset( $line->$db_field ) ) { |
| 700 | $this->$member_field = $line->$db_field; |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | if ( isset( $line->page_namespace ) && isset( $line->page_title ) ) { |
| 705 | $root_title = Title::makeTitle( $line->page_namespace, $line->page_title ); |
| 706 | $this->root = new Article( $root_title, 0 ); |
| 707 | $this->root->getPage()->loadPageData( $line ); |
| 708 | } else { |
| 709 | if ( isset( self::$titleCacheById[$this->rootId] ) ) { |
| 710 | $root_title = self::$titleCacheById[$this->rootId]; |
| 711 | } else { |
| 712 | $root_title = Title::newFromID( $this->rootId ); |
| 713 | } |
| 714 | |
| 715 | if ( $root_title ) { |
| 716 | $this->root = new Article( $root_title, 0 ); |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | Threads::$cache_by_id[$line->thread_id] = $this; |
| 721 | if ( $line->thread_parent ) { |
| 722 | if ( !isset( self::$replyCacheById[$line->thread_parent] ) ) { |
| 723 | self::$replyCacheById[$line->thread_parent] = []; |
| 724 | } |
| 725 | self::$replyCacheById[$line->thread_parent][$line->thread_id] = $this; |
| 726 | } |
| 727 | |
| 728 | try { |
| 729 | $this->doLazyUpdates(); |
| 730 | } catch ( Exception $excep ) { |
| 731 | trigger_error( "Exception doing lazy updates: " . $excep->__toString() ); |
| 732 | } |
| 733 | |
| 734 | $this->dbVersion = clone $this; |
| 735 | $this->dbVersion->dbVersion = null; |
| 736 | } |
| 737 | |
| 738 | /** |
| 739 | * Load a list of threads in bulk, including all subthreads. |
| 740 | * |
| 741 | * @param stdClass[] $rows |
| 742 | * @return self[] |
| 743 | */ |
| 744 | public static function bulkLoad( $rows ) { |
| 745 | // Preload subthreads |
| 746 | $top_thread_ids = []; |
| 747 | $all_thread_rows = $rows; |
| 748 | $pageIds = []; |
| 749 | $linkBatch = MediaWikiServices::getInstance()->getLinkBatchFactory()->newLinkBatch(); |
| 750 | $userIds = []; |
| 751 | $loadEditorsFor = []; |
| 752 | |
| 753 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 754 | |
| 755 | if ( !is_array( self::$replyCacheById ) ) { |
| 756 | self::$replyCacheById = []; |
| 757 | } |
| 758 | |
| 759 | // Build a list of threads for which to pull replies, and page IDs to pull data for. |
| 760 | // Also, pre-initialise the reply cache. |
| 761 | foreach ( $rows as $row ) { |
| 762 | if ( $row->thread_ancestor ) { |
| 763 | $top_thread_ids[] = $row->thread_ancestor; |
| 764 | } else { |
| 765 | $top_thread_ids[] = $row->thread_id; |
| 766 | } |
| 767 | |
| 768 | // Grab page data while we're here. |
| 769 | if ( $row->thread_root ) { |
| 770 | $pageIds[] = $row->thread_root; |
| 771 | } |
| 772 | if ( $row->thread_summary_page ) { |
| 773 | $pageIds[] = $row->thread_summary_page; |
| 774 | } |
| 775 | if ( !isset( self::$replyCacheById[$row->thread_id] ) ) { |
| 776 | self::$replyCacheById[$row->thread_id] = []; |
| 777 | } |
| 778 | } |
| 779 | |
| 780 | $all_thread_ids = $top_thread_ids; |
| 781 | |
| 782 | // Pull replies to the threads provided, and as above, pull page IDs to pull data for, |
| 783 | // pre-initialise the reply cache, and stash the row object for later use. |
| 784 | if ( count( $top_thread_ids ) ) { |
| 785 | $res = $dbr->newSelectQueryBuilder() |
| 786 | ->select( '*' ) |
| 787 | ->from( 'thread' ) |
| 788 | ->where( [ |
| 789 | 'thread_ancestor' => $top_thread_ids, |
| 790 | $dbr->expr( 'thread_type', '!=', Threads::TYPE_DELETED ), |
| 791 | ] ) |
| 792 | ->caller( __METHOD__ ) |
| 793 | ->fetchResultSet(); |
| 794 | |
| 795 | foreach ( $res as $row ) { |
| 796 | // Grab page data while we're here. |
| 797 | if ( $row->thread_root ) { |
| 798 | $pageIds[] = $row->thread_root; |
| 799 | } |
| 800 | if ( $row->thread_summary_page ) { |
| 801 | $pageIds[] = $row->thread_summary_page; |
| 802 | } |
| 803 | $all_thread_rows[] = $row; |
| 804 | $all_thread_ids[$row->thread_id] = $row->thread_id; |
| 805 | } |
| 806 | } |
| 807 | |
| 808 | // Pull thread reactions |
| 809 | if ( count( $all_thread_ids ) ) { |
| 810 | $res = $dbr->newSelectQueryBuilder() |
| 811 | ->select( '*' ) |
| 812 | ->from( 'thread_reaction' ) |
| 813 | ->where( [ 'tr_thread' => $all_thread_ids ] ) |
| 814 | ->caller( __METHOD__ ) |
| 815 | ->fetchResultSet(); |
| 816 | |
| 817 | foreach ( $res as $row ) { |
| 818 | $thread_id = $row->tr_thread; |
| 819 | $info = [ |
| 820 | 'type' => $row->tr_type, |
| 821 | 'user-id' => $row->tr_user, |
| 822 | 'user-name' => $row->tr_user_text, |
| 823 | 'value' => $row->tr_value, |
| 824 | ]; |
| 825 | |
| 826 | $type = $info['type']; |
| 827 | $user = $info['user-name']; |
| 828 | |
| 829 | if ( !isset( self::$reactionCacheById[$thread_id] ) ) { |
| 830 | self::$reactionCacheById[$thread_id] = []; |
| 831 | } |
| 832 | |
| 833 | if ( !isset( self::$reactionCacheById[$thread_id][$type] ) ) { |
| 834 | self::$reactionCacheById[$thread_id][$type] = []; |
| 835 | } |
| 836 | |
| 837 | self::$reactionCacheById[$thread_id][$type][$user] = $info; |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | // Preload page data (restrictions, and preload Article object with everything from |
| 842 | // the page table. Also, precache the title and article objects for pulling later. |
| 843 | $articlesById = []; |
| 844 | if ( count( $pageIds ) ) { |
| 845 | // Pull restriction info. Needs to come first because otherwise it's done per |
| 846 | // page by loadPageData. |
| 847 | $restrictionRows = array_fill_keys( $pageIds, [] ); |
| 848 | $res = $dbr->newSelectQueryBuilder() |
| 849 | ->select( '*' ) |
| 850 | ->from( 'page_restrictions' ) |
| 851 | ->where( [ 'pr_page' => $pageIds ] ) |
| 852 | ->caller( __METHOD__ ) |
| 853 | ->fetchResultSet(); |
| 854 | foreach ( $res as $row ) { |
| 855 | $restrictionRows[$row->pr_page][] = $row; |
| 856 | } |
| 857 | |
| 858 | $res = $dbr->newSelectQueryBuilder() |
| 859 | ->select( '*' ) |
| 860 | ->from( 'page' ) |
| 861 | ->where( [ 'page_id' => $pageIds ] ) |
| 862 | ->caller( __METHOD__ ) |
| 863 | ->fetchResultSet(); |
| 864 | |
| 865 | $restrictionStore = MediaWikiServices::getInstance()->getRestrictionStore(); |
| 866 | foreach ( $res as $row ) { |
| 867 | $t = Title::newFromRow( $row ); |
| 868 | |
| 869 | if ( isset( $restrictionRows[$t->getArticleID()] ) ) { |
| 870 | $restrictionStore->loadRestrictionsFromRows( $t, $restrictionRows[$t->getArticleID()] ); |
| 871 | } |
| 872 | |
| 873 | $article = new Article( $t, 0 ); |
| 874 | $article->getPage()->loadPageData( $row ); |
| 875 | |
| 876 | self::$titleCacheById[$t->getArticleID()] = $t; |
| 877 | $articlesById[$article->getPage()->getId()] = $article; |
| 878 | |
| 879 | if ( count( self::$titleCacheById ) > 10000 ) { |
| 880 | self::$titleCacheById = []; |
| 881 | } |
| 882 | } |
| 883 | } |
| 884 | |
| 885 | // For every thread we have a row object for, load a Thread object, add the user and |
| 886 | // user talk pages to a link batch, cache the relevant user id/name pair, and |
| 887 | // populate the reply cache. |
| 888 | foreach ( $all_thread_rows as $row ) { |
| 889 | $thread = self::newFromRow( $row ); |
| 890 | |
| 891 | if ( isset( $articlesById[$thread->rootId] ) ) { |
| 892 | $thread->root = $articlesById[$thread->rootId]; |
| 893 | } |
| 894 | |
| 895 | // User cache data |
| 896 | $t = Title::makeTitleSafe( NS_USER, $row->thread_author_name ); |
| 897 | $linkBatch->addObj( $t ); |
| 898 | $t = Title::makeTitleSafe( NS_USER_TALK, $row->thread_author_name ); |
| 899 | $linkBatch->addObj( $t ); |
| 900 | |
| 901 | $userIds[$row->thread_author_id] = true; |
| 902 | |
| 903 | if ( $row->thread_editedness > Threads::EDITED_BY_AUTHOR ) { |
| 904 | $loadEditorsFor[$row->thread_root] = $thread; |
| 905 | $thread->setEditors( [] ); |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | // Pull list of users who have edited |
| 910 | if ( count( $loadEditorsFor ) ) { |
| 911 | $revQuery = self::getRevisionQueryInfo(); |
| 912 | $res = $dbr->newSelectQueryBuilder() |
| 913 | ->select( [ 'rev_user_text' => $revQuery['fields']['rev_user_text'], 'rev_page' ] ) |
| 914 | ->tables( $revQuery['tables'] ) |
| 915 | ->where( [ |
| 916 | 'rev_page' => array_keys( $loadEditorsFor ), |
| 917 | $dbr->expr( 'rev_parent_id', '!=', 0 ), |
| 918 | ] ) |
| 919 | ->caller( __METHOD__ ) |
| 920 | ->joinConds( $revQuery['joins'] ) |
| 921 | ->fetchResultSet(); |
| 922 | foreach ( $res as $row ) { |
| 923 | $pageid = $row->rev_page; |
| 924 | $editor = $row->rev_user_text; |
| 925 | $t = $loadEditorsFor[$pageid]; |
| 926 | |
| 927 | $t->addEditor( $editor ); |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | // Pull link batch data. |
| 932 | $linkBatch->execute(); |
| 933 | |
| 934 | $threads = []; |
| 935 | |
| 936 | // Fill and return an array with the threads that were actually requested. |
| 937 | foreach ( $rows as $row ) { |
| 938 | $threads[$row->thread_id] = Threads::$cache_by_id[$row->thread_id]; |
| 939 | } |
| 940 | |
| 941 | return $threads; |
| 942 | } |
| 943 | |
| 944 | /** |
| 945 | * @return User|null the User object representing the author of the first revision |
| 946 | * (or null, if the database is screwed up). |
| 947 | */ |
| 948 | public function loadOriginalAuthorFromRevision() { |
| 949 | $this->dieIfHistorical(); |
| 950 | |
| 951 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 952 | |
| 953 | $article = $this->root(); |
| 954 | |
| 955 | $revQuery = self::getRevisionQueryInfo(); |
| 956 | $line = $dbr->newSelectQueryBuilder() |
| 957 | ->select( [ 'rev_user_text' => $revQuery['fields']['rev_user_text'] ] ) |
| 958 | ->tables( $revQuery['tables'] ) |
| 959 | ->where( [ 'rev_page' => $article->getPage()->getId() ] ) |
| 960 | ->caller( __METHOD__ ) |
| 961 | ->orderBy( 'rev_timestamp' ) |
| 962 | ->joinConds( $revQuery['joins'] ) |
| 963 | ->fetchRow(); |
| 964 | if ( $line ) { |
| 965 | return User::newFromName( $line->rev_user_text, false ); |
| 966 | } else { |
| 967 | return null; |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | public static function recursiveGetReplyCount( self $thread, $level = 1 ) { |
| 972 | if ( $level > 80 ) { |
| 973 | return 1; |
| 974 | } |
| 975 | |
| 976 | $count = 0; |
| 977 | |
| 978 | foreach ( $thread->replies() as $reply ) { |
| 979 | if ( $thread->type != Threads::TYPE_DELETED ) { |
| 980 | $count++; |
| 981 | $count += self::recursiveGetReplyCount( $reply, $level + 1 ); |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | return $count; |
| 986 | } |
| 987 | |
| 988 | /** |
| 989 | * Lazy updates done whenever a thread is loaded. |
| 990 | * Much easier than running a long-running maintenance script. |
| 991 | */ |
| 992 | public function doLazyUpdates() { |
| 993 | if ( $this->isHistorical() ) { |
| 994 | return; // Don't do lazy updates on stored historical threads. |
| 995 | } |
| 996 | |
| 997 | // This is an invocation guard to avoid infinite recursion when fixing a |
| 998 | // missing ancestor. |
| 999 | static $doingUpdates = false; |
| 1000 | if ( $doingUpdates ) { |
| 1001 | return; |
| 1002 | } |
| 1003 | $doingUpdates = true; |
| 1004 | |
| 1005 | // Fix missing ancestry information. |
| 1006 | // (there was a bug where this was not saved properly) |
| 1007 | if ( $this->parentId && !$this->ancestorId ) { |
| 1008 | $this->fixMissingAncestor(); |
| 1009 | } |
| 1010 | |
| 1011 | $ancestor = $this->topmostThread(); |
| 1012 | |
| 1013 | $set = []; |
| 1014 | |
| 1015 | // Fix missing subject information |
| 1016 | // (this information only started to be added later) |
| 1017 | if ( !$this->subject && $this->root() ) { |
| 1018 | $detectedSubject = $this->root()->getTitle()->getText(); |
| 1019 | $parts = self::splitIncrementFromSubject( $detectedSubject ); |
| 1020 | |
| 1021 | $this->subject = $detectedSubject = $parts[1]; |
| 1022 | |
| 1023 | // Update in the DB |
| 1024 | $set['thread_subject'] = $detectedSubject; |
| 1025 | } |
| 1026 | |
| 1027 | // Fix inconsistent subject information |
| 1028 | // (in some intermediate versions this was not updated when the subject was changed) |
| 1029 | if ( $this->subject() != $ancestor->subject() ) { |
| 1030 | $set['thread_subject'] = $ancestor->subject(); |
| 1031 | |
| 1032 | $this->subject = $ancestor->subject(); |
| 1033 | } |
| 1034 | |
| 1035 | // Fix missing authorship information |
| 1036 | // (this information only started to be added later) |
| 1037 | if ( !$this->authorName ) { |
| 1038 | $author = $this->loadOriginalAuthorFromRevision(); |
| 1039 | |
| 1040 | $this->authorId = $author->getId(); |
| 1041 | $this->authorName = $author->getName(); |
| 1042 | |
| 1043 | $set['thread_author_name'] = $this->authorName; |
| 1044 | $set['thread_author_id'] = $this->authorId; |
| 1045 | } |
| 1046 | |
| 1047 | // Check for article being in subject, not talk namespace. |
| 1048 | // If the page is non-LiquidThreads and it's in subject-space, we'll assume it's meant |
| 1049 | // to be on the corresponding talk page, but only if the talk-page is a LQT page. |
| 1050 | // (Previous versions stored the subject page, for some totally bizarre reason) |
| 1051 | // Old versions also sometimes store the thread page for trace threads as the |
| 1052 | // article, not as the root. |
| 1053 | // Trying not to exacerbate this by moving it to be the 'Thread talk' page. |
| 1054 | $articleTitle = $this->getTitle(); |
| 1055 | global $wgLiquidThreadsMigrate; |
| 1056 | if ( !LqtDispatch::isLqtPage( $articleTitle ) && !$articleTitle->isTalkPage() && |
| 1057 | LqtDispatch::isLqtPage( $articleTitle->getTalkPage() ) && |
| 1058 | $articleTitle->getNamespace() != NS_LQT_THREAD && |
| 1059 | $wgLiquidThreadsMigrate |
| 1060 | ) { |
| 1061 | $newTitle = $articleTitle->getTalkPage(); |
| 1062 | $newArticle = new Article( $newTitle, 0 ); |
| 1063 | |
| 1064 | $set['thread_article_namespace'] = $newTitle->getNamespace(); |
| 1065 | $set['thread_article_title'] = $newTitle->getDBkey(); |
| 1066 | |
| 1067 | $this->articleNamespace = $newTitle->getNamespace(); |
| 1068 | $this->articleTitle = $newTitle->getDBkey(); |
| 1069 | $this->articleId = $newTitle->getArticleID(); |
| 1070 | |
| 1071 | $this->article = $newArticle; |
| 1072 | } |
| 1073 | |
| 1074 | // Check for article corruption from incomplete thread moves. |
| 1075 | // (thread moves only updated this on immediate replies, not replies to replies etc) |
| 1076 | if ( !$ancestor->getTitle()->equals( $this->getTitle() ) ) { |
| 1077 | $title = $ancestor->getTitle(); |
| 1078 | $set['thread_article_namespace'] = $title->getNamespace(); |
| 1079 | $set['thread_article_title'] = $title->getDBkey(); |
| 1080 | |
| 1081 | $this->articleNamespace = $title->getNamespace(); |
| 1082 | $this->articleTitle = $title->getDBkey(); |
| 1083 | $this->articleId = $title->getArticleID(); |
| 1084 | |
| 1085 | $this->article = $ancestor->article(); |
| 1086 | } |
| 1087 | |
| 1088 | // Check for invalid/missing articleId |
| 1089 | $articleTitle = null; |
| 1090 | $dbTitle = Title::makeTitleSafe( $this->articleNamespace, $this->articleTitle ); |
| 1091 | if ( $this->articleId && isset( self::$titleCacheById[$this->articleId] ) ) { |
| 1092 | // If it corresponds to a title, the article obviously exists. |
| 1093 | $articleTitle = self::$titleCacheById[$this->articleId]; |
| 1094 | $this->article = new Article( $articleTitle, 0 ); |
| 1095 | } elseif ( $this->articleId ) { |
| 1096 | $articleTitle = Title::newFromID( $this->articleId ); |
| 1097 | } |
| 1098 | |
| 1099 | // If still unfilled, the article ID referred to is no longer valid. Re-fill it |
| 1100 | // from the namespace/title pair if an article ID is provided |
| 1101 | if ( !$articleTitle && ( $this->articleId != 0 || $dbTitle->getArticleID() != 0 ) ) { |
| 1102 | $articleTitle = $dbTitle; |
| 1103 | $this->articleId = $articleTitle->getArticleID(); |
| 1104 | $this->article = new Article( $dbTitle, 0 ); |
| 1105 | |
| 1106 | $set['thread_article_id'] = $this->articleId; |
| 1107 | wfDebug( |
| 1108 | "Unfilled or non-existent thread_article_id, refilling to {$this->articleId}\n" |
| 1109 | ); |
| 1110 | |
| 1111 | // There are probably problems on the rest of the article, trigger a small update |
| 1112 | Threads::synchroniseArticleData( $this->article->getPage(), 100, 'cascade' ); |
| 1113 | } elseif ( $articleTitle && !$articleTitle->equals( $dbTitle ) ) { |
| 1114 | // The page was probably moved and this was probably not updated. |
| 1115 | wfDebug( |
| 1116 | "Article ID/Title discrepancy, resetting NS/Title to article provided by ID\n" |
| 1117 | ); |
| 1118 | $this->articleNamespace = $articleTitle->getNamespace(); |
| 1119 | $this->articleTitle = $articleTitle->getDBkey(); |
| 1120 | $this->article = new Article( $articleTitle, 0 ); |
| 1121 | |
| 1122 | $set['thread_article_namespace'] = $articleTitle->getNamespace(); |
| 1123 | $set['thread_article_title'] = $articleTitle->getDBkey(); |
| 1124 | |
| 1125 | // There are probably problems on the rest of the article, trigger a small update |
| 1126 | Threads::synchroniseArticleData( $this->article->getPage(), 100, 'cascade' ); |
| 1127 | } |
| 1128 | |
| 1129 | // Check for unfilled signature field. This field hasn't existed until |
| 1130 | // recently. |
| 1131 | if ( $this->signature === null ) { |
| 1132 | // Grab our signature. |
| 1133 | $sig = LqtView::getUserSignature( $this->author() ); |
| 1134 | $contLang = MediaWikiServices::getInstance()->getContentLanguage(); |
| 1135 | $set['thread_signature'] = $contLang->truncateForDatabase( $sig, 255, '' ); |
| 1136 | $this->setSignature( $sig ); |
| 1137 | } |
| 1138 | |
| 1139 | if ( count( $set ) ) { |
| 1140 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 1141 | |
| 1142 | $dbw->newUpdateQueryBuilder() |
| 1143 | ->update( 'thread' ) |
| 1144 | ->set( $set ) |
| 1145 | ->where( [ 'thread_id' => $this->id() ] ) |
| 1146 | ->caller( __METHOD__ ) |
| 1147 | ->execute(); |
| 1148 | } |
| 1149 | |
| 1150 | // Done |
| 1151 | $doingUpdates = false; |
| 1152 | } |
| 1153 | |
| 1154 | public function addReply( self $thread ) { |
| 1155 | $thread->setSuperThread( $this ); |
| 1156 | |
| 1157 | if ( is_array( $this->replies ) ) { |
| 1158 | $this->replies[$thread->id()] = $thread; |
| 1159 | } else { |
| 1160 | $this->replies(); |
| 1161 | // @phan-suppress-next-line PhanTypeArraySuspicious $replies set by replies() |
| 1162 | $this->replies[$thread->id()] = $thread; |
| 1163 | } |
| 1164 | |
| 1165 | // Increment reply count. |
| 1166 | $this->incrementReplyCount( $thread->replyCount() + 1 ); |
| 1167 | } |
| 1168 | |
| 1169 | private function removeReply( self $thread ) { |
| 1170 | $thread = $thread->id(); |
| 1171 | |
| 1172 | $this->replies(); |
| 1173 | |
| 1174 | unset( $this->replies[$thread] ); |
| 1175 | |
| 1176 | // Also, decrement the reply count. |
| 1177 | $threadObj = Threads::withId( $thread ); |
| 1178 | $this->decrementReplyCount( 1 + $threadObj->replyCount() ); |
| 1179 | } |
| 1180 | |
| 1181 | private function checkReplies( $replies ) { |
| 1182 | // Fixes a bug where some history pages were not working, before |
| 1183 | // superthread was properly instance-cached. |
| 1184 | if ( $this->isHistorical() ) { |
| 1185 | return; |
| 1186 | } |
| 1187 | foreach ( $replies as $reply ) { |
| 1188 | if ( !$reply->hasSuperthread() ) { |
| 1189 | throw new RuntimeException( "Post " . $this->id() . |
| 1190 | " has contaminated reply " . $reply->id() . |
| 1191 | ". Found no superthread." ); |
| 1192 | } |
| 1193 | |
| 1194 | if ( $reply->superthread()->id() != $this->id() ) { |
| 1195 | throw new RuntimeException( "Post " . $this->id() . |
| 1196 | " has contaminated reply " . $reply->id() . |
| 1197 | ". Expected " . $this->id() . ", got " . |
| 1198 | $reply->superthread()->id() ); |
| 1199 | } |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | /** |
| 1204 | * @return self[] |
| 1205 | */ |
| 1206 | public function replies() { |
| 1207 | if ( !$this->id() ) { |
| 1208 | return []; |
| 1209 | } |
| 1210 | |
| 1211 | if ( $this->replies !== null ) { |
| 1212 | $this->checkReplies( $this->replies ); |
| 1213 | return $this->replies; |
| 1214 | } |
| 1215 | |
| 1216 | $this->dieIfHistorical(); |
| 1217 | |
| 1218 | // Check cache |
| 1219 | if ( isset( self::$replyCacheById[$this->id()] ) ) { |
| 1220 | $this->replies = self::$replyCacheById[$this->id()]; |
| 1221 | return $this->replies; |
| 1222 | } |
| 1223 | |
| 1224 | $this->replies = []; |
| 1225 | |
| 1226 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 1227 | |
| 1228 | $res = $dbr->newSelectQueryBuilder() |
| 1229 | ->select( '*' ) |
| 1230 | ->from( 'thread' ) |
| 1231 | ->where( [ |
| 1232 | 'thread_parent' => $this->id(), |
| 1233 | $dbr->expr( 'thread_type', '!=', Threads::TYPE_DELETED ), |
| 1234 | ] ) |
| 1235 | ->caller( __METHOD__ ) |
| 1236 | ->fetchResultSet(); |
| 1237 | |
| 1238 | $rows = []; |
| 1239 | foreach ( $res as $row ) { |
| 1240 | $rows[] = $row; |
| 1241 | } |
| 1242 | |
| 1243 | $this->replies = self::bulkLoad( $rows ); |
| 1244 | |
| 1245 | $this->checkReplies( $this->replies ); |
| 1246 | |
| 1247 | return $this->replies; |
| 1248 | } |
| 1249 | |
| 1250 | public function setSuperthread( ?self $thread ) { |
| 1251 | if ( $thread == null ) { |
| 1252 | $this->parentId = null; |
| 1253 | $this->ancestorId = 0; |
| 1254 | return; |
| 1255 | } |
| 1256 | |
| 1257 | $this->parentId = $thread->id(); |
| 1258 | $this->superthread = $thread; |
| 1259 | |
| 1260 | if ( $thread->isTopmostThread() ) { |
| 1261 | $this->ancestorId = $thread->id(); |
| 1262 | $this->ancestor = $thread; |
| 1263 | } else { |
| 1264 | $this->ancestorId = $thread->ancestorId(); |
| 1265 | $this->ancestor = $thread->topmostThread(); |
| 1266 | } |
| 1267 | } |
| 1268 | |
| 1269 | public function superthread() { |
| 1270 | if ( !$this->hasSuperthread() ) { |
| 1271 | return null; |
| 1272 | } elseif ( $this->superthread ) { |
| 1273 | return $this->superthread; |
| 1274 | } else { |
| 1275 | $this->dieIfHistorical(); |
| 1276 | $this->superthread = Threads::withId( $this->parentId ); |
| 1277 | return $this->superthread; |
| 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | public function hasSuperthread() { |
| 1282 | return !$this->isTopmostThread(); |
| 1283 | } |
| 1284 | |
| 1285 | /** |
| 1286 | * @return self |
| 1287 | */ |
| 1288 | public function topmostThread() { |
| 1289 | if ( $this->isTopmostThread() ) { |
| 1290 | $this->ancestor = $this; |
| 1291 | return $this->ancestor; |
| 1292 | } elseif ( $this->ancestor ) { |
| 1293 | return $this->ancestor; |
| 1294 | } else { |
| 1295 | $this->dieIfHistorical(); |
| 1296 | |
| 1297 | $thread = Threads::withId( $this->ancestorId ); |
| 1298 | |
| 1299 | if ( !$thread ) { |
| 1300 | $thread = $this->fixMissingAncestor(); |
| 1301 | } |
| 1302 | |
| 1303 | $this->ancestor = $thread; |
| 1304 | |
| 1305 | return $thread; |
| 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | /** |
| 1310 | * @param self|int $newAncestor |
| 1311 | */ |
| 1312 | public function setAncestor( $newAncestor ) { |
| 1313 | if ( is_object( $newAncestor ) ) { |
| 1314 | $this->ancestorId = $newAncestor->id(); |
| 1315 | } else { |
| 1316 | $this->ancestorId = $newAncestor; |
| 1317 | } |
| 1318 | } |
| 1319 | |
| 1320 | /** |
| 1321 | * Due to a bug in earlier versions, the topmost thread sometimes isn't there. |
| 1322 | * Fix the corruption by repeatedly grabbing the parent until we hit the topmost thread. |
| 1323 | * |
| 1324 | * @return self |
| 1325 | */ |
| 1326 | public function fixMissingAncestor() { |
| 1327 | $thread = $this; |
| 1328 | |
| 1329 | $this->dieIfHistorical(); |
| 1330 | |
| 1331 | while ( !$thread->isTopmostThread() ) { |
| 1332 | $thread = $thread->superthread(); |
| 1333 | } |
| 1334 | |
| 1335 | $this->ancestorId = $thread->id(); |
| 1336 | |
| 1337 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 1338 | $dbw->newUpdateQueryBuilder() |
| 1339 | ->update( 'thread' ) |
| 1340 | ->set( [ 'thread_ancestor' => $thread->id() ] ) |
| 1341 | ->where( [ 'thread_id' => $this->id() ] ) |
| 1342 | ->caller( __METHOD__ ) |
| 1343 | ->execute(); |
| 1344 | |
| 1345 | // @phan-suppress-next-line PhanTypeMismatchReturnNullable Would crash above if null |
| 1346 | return $thread; |
| 1347 | } |
| 1348 | |
| 1349 | public function isTopmostThread() { |
| 1350 | return $this->ancestorId == $this->id || |
| 1351 | $this->parentId == 0; |
| 1352 | } |
| 1353 | |
| 1354 | public function setArticle( Article $a ) { |
| 1355 | $this->articleId = $a->getPage()->getId(); |
| 1356 | $this->articleNamespace = $a->getTitle()->getNamespace(); |
| 1357 | $this->articleTitle = $a->getTitle()->getDBkey(); |
| 1358 | $this->touch(); |
| 1359 | } |
| 1360 | |
| 1361 | public function touch() { |
| 1362 | // Nothing here yet |
| 1363 | } |
| 1364 | |
| 1365 | /** |
| 1366 | * @return Article |
| 1367 | */ |
| 1368 | public function article() { |
| 1369 | if ( $this->article ) { |
| 1370 | return $this->article; |
| 1371 | } |
| 1372 | |
| 1373 | if ( $this->articleId !== null ) { |
| 1374 | if ( isset( self::$articleCacheById[$this->articleId] ) ) { |
| 1375 | return self::$articleCacheById[$this->articleId]; |
| 1376 | } |
| 1377 | |
| 1378 | if ( isset( self::$titleCacheById[$this->articleId] ) ) { |
| 1379 | $title = self::$titleCacheById[$this->articleId]; |
| 1380 | } else { |
| 1381 | $title = Title::newFromID( $this->articleId ); |
| 1382 | } |
| 1383 | |
| 1384 | if ( $title ) { |
| 1385 | $article = new Article( $title, 0 ); |
| 1386 | self::$articleCacheById[$this->articleId] = $article; |
| 1387 | } |
| 1388 | } |
| 1389 | |
| 1390 | if ( isset( $article ) && $article->getPage()->exists() ) { |
| 1391 | $this->article = $article; |
| 1392 | return $article; |
| 1393 | } else { |
| 1394 | $title = Title::makeTitle( $this->articleNamespace, $this->articleTitle ); |
| 1395 | return new Article( $title, 0 ); |
| 1396 | } |
| 1397 | } |
| 1398 | |
| 1399 | /** |
| 1400 | * @return int |
| 1401 | */ |
| 1402 | public function id() { |
| 1403 | return $this->id; |
| 1404 | } |
| 1405 | |
| 1406 | /** |
| 1407 | * @return int|null |
| 1408 | */ |
| 1409 | public function ancestorId() { |
| 1410 | return $this->ancestorId; |
| 1411 | } |
| 1412 | |
| 1413 | /** |
| 1414 | * The 'root' is the page in the Thread namespace corresponding to this thread. |
| 1415 | * |
| 1416 | * @return Article|null |
| 1417 | */ |
| 1418 | public function root() { |
| 1419 | if ( !$this->rootId ) { |
| 1420 | return null; |
| 1421 | } |
| 1422 | if ( !$this->root ) { |
| 1423 | if ( isset( self::$articleCacheById[$this->rootId] ) ) { |
| 1424 | $this->root = self::$articleCacheById[$this->rootId]; |
| 1425 | return $this->root; |
| 1426 | } |
| 1427 | |
| 1428 | if ( isset( self::$titleCacheById[$this->rootId] ) ) { |
| 1429 | $title = self::$titleCacheById[$this->rootId]; |
| 1430 | } else { |
| 1431 | $title = Title::newFromID( $this->rootId ); |
| 1432 | } |
| 1433 | |
| 1434 | if ( !$title && $this->type() != Threads::TYPE_DELETED ) { |
| 1435 | if ( !$this->isHistorical() ) { |
| 1436 | $this->delete( '', false /* !commit */ ); |
| 1437 | } else { |
| 1438 | $this->type = Threads::TYPE_DELETED; |
| 1439 | } |
| 1440 | } |
| 1441 | |
| 1442 | if ( !$title ) { |
| 1443 | return null; |
| 1444 | } |
| 1445 | |
| 1446 | $this->root = new Article( $title, 0 ); |
| 1447 | } |
| 1448 | return $this->root; |
| 1449 | } |
| 1450 | |
| 1451 | /** |
| 1452 | * @return int |
| 1453 | */ |
| 1454 | public function editedness() { |
| 1455 | return $this->editedness; |
| 1456 | } |
| 1457 | |
| 1458 | /** |
| 1459 | * @return Article|null |
| 1460 | */ |
| 1461 | public function summary() { |
| 1462 | if ( !$this->summaryId ) { |
| 1463 | return null; |
| 1464 | } |
| 1465 | |
| 1466 | if ( !$this->summary ) { |
| 1467 | $title = Title::newFromID( $this->summaryId ); |
| 1468 | |
| 1469 | if ( !$title ) { |
| 1470 | wfDebug( __METHOD__ . ": supposed summary doesn't exist" ); |
| 1471 | $this->summaryId = null; |
| 1472 | return null; |
| 1473 | } |
| 1474 | |
| 1475 | $this->summary = new Article( $title, 0 ); |
| 1476 | } |
| 1477 | |
| 1478 | return $this->summary; |
| 1479 | } |
| 1480 | |
| 1481 | public function hasSummary() { |
| 1482 | return $this->summaryId != null; |
| 1483 | } |
| 1484 | |
| 1485 | /** |
| 1486 | * @param Article $post |
| 1487 | */ |
| 1488 | public function setSummary( $post ) { |
| 1489 | // Weird -- this was setting $this->summary to NULL before I changed it. |
| 1490 | // If there was some reason why, please tell me! -- Andrew |
| 1491 | $this->summary = $post; |
| 1492 | $this->summaryId = $post->getPage()->getId(); |
| 1493 | } |
| 1494 | |
| 1495 | /** |
| 1496 | * @return Title|null |
| 1497 | */ |
| 1498 | public function title() { |
| 1499 | if ( is_object( $this->root() ) ) { |
| 1500 | return $this->root()->getTitle(); |
| 1501 | } else { |
| 1502 | // wfWarn( "Thread ".$this->id()." has no title." ); |
| 1503 | return null; |
| 1504 | } |
| 1505 | } |
| 1506 | |
| 1507 | public static function splitIncrementFromSubject( $subject_string ) { |
| 1508 | preg_match( '/^(.*) \((\d+)\)$/', $subject_string, $matches ); |
| 1509 | if ( count( $matches ) != 3 ) { |
| 1510 | throw new LogicException( |
| 1511 | __METHOD__ . ": thread subject has no increment: " . $subject_string |
| 1512 | ); |
| 1513 | } else { |
| 1514 | return $matches; |
| 1515 | } |
| 1516 | } |
| 1517 | |
| 1518 | public function subject() { |
| 1519 | return $this->subject; |
| 1520 | } |
| 1521 | |
| 1522 | public function formattedSubject() { |
| 1523 | return LqtView::formatSubject( $this->subject() ); |
| 1524 | } |
| 1525 | |
| 1526 | public function setSubject( $subject ) { |
| 1527 | $this->subject = $subject; |
| 1528 | |
| 1529 | foreach ( $this->replies() as $reply ) { |
| 1530 | $reply->setSubject( $subject ); |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | /** |
| 1535 | * Currently equivalent to isTopmostThread. |
| 1536 | * |
| 1537 | * @return bool |
| 1538 | */ |
| 1539 | public function hasDistinctSubject() { |
| 1540 | return $this->isTopmostThread(); |
| 1541 | } |
| 1542 | |
| 1543 | /** |
| 1544 | * Synonym for replies() |
| 1545 | * |
| 1546 | * @return self[] |
| 1547 | */ |
| 1548 | public function subthreads() { |
| 1549 | return $this->replies(); |
| 1550 | } |
| 1551 | |
| 1552 | public function modified() { |
| 1553 | return $this->modified; |
| 1554 | } |
| 1555 | |
| 1556 | public function created() { |
| 1557 | return $this->created; |
| 1558 | } |
| 1559 | |
| 1560 | public function type() { |
| 1561 | return $this->type; |
| 1562 | } |
| 1563 | |
| 1564 | public function setType( $t ) { |
| 1565 | $this->type = $t; |
| 1566 | } |
| 1567 | |
| 1568 | public function getAnchorName() { |
| 1569 | $wantedId = $this->subject() . "_{$this->id()}"; |
| 1570 | return Sanitizer::escapeIdForLink( $wantedId ); |
| 1571 | } |
| 1572 | |
| 1573 | public function updateHistory() { |
| 1574 | } |
| 1575 | |
| 1576 | public function setAuthor( UserIdentity $user ) { |
| 1577 | $this->authorId = $user->getId(); |
| 1578 | $this->authorName = $user->getName(); |
| 1579 | } |
| 1580 | |
| 1581 | /** |
| 1582 | * Load all lazy-loaded data in prep for (e.g.) serialization. |
| 1583 | */ |
| 1584 | public function loadAllData() { |
| 1585 | // Make sure superthread and topmost thread are loaded. |
| 1586 | $this->superthread(); |
| 1587 | $this->topmostThread(); |
| 1588 | |
| 1589 | // Make sure replies, and all the data therein, is loaded. |
| 1590 | foreach ( $this->replies() as $reply ) { |
| 1591 | $reply->loadAllData(); |
| 1592 | } |
| 1593 | } |
| 1594 | |
| 1595 | /** |
| 1596 | * On serialization, load all data because it will be different in the DB when we wake up. |
| 1597 | * |
| 1598 | * @return string[] |
| 1599 | */ |
| 1600 | public function __sleep() { |
| 1601 | $this->loadAllData(); |
| 1602 | |
| 1603 | $fields = array_keys( get_object_vars( $this ) ); |
| 1604 | |
| 1605 | // Filter out article objects, there be dragons (or unserialization problems) |
| 1606 | $fields = array_diff( $fields, [ 'root', 'article', 'summary', 'sleeping', |
| 1607 | 'dbVersion' ] ); |
| 1608 | |
| 1609 | return $fields; |
| 1610 | } |
| 1611 | |
| 1612 | public function __wakeup() { |
| 1613 | // Mark as historical. |
| 1614 | $this->isHistorical = true; |
| 1615 | } |
| 1616 | |
| 1617 | /** |
| 1618 | * This is a safety valve that makes sure that the DB is NEVER touched by a historical thread |
| 1619 | * (even for reading, because the data will be out of date). |
| 1620 | * |
| 1621 | * @throws Exception |
| 1622 | */ |
| 1623 | public function dieIfHistorical() { |
| 1624 | if ( $this->isHistorical() ) { |
| 1625 | throw new LogicException( "Attempted write or DB operation on historical thread" ); |
| 1626 | } |
| 1627 | } |
| 1628 | |
| 1629 | /** |
| 1630 | * @return int|null |
| 1631 | */ |
| 1632 | public function rootRevision() { |
| 1633 | if ( !$this->isHistorical() || |
| 1634 | !isset( $this->topmostThread()->threadRevision ) || |
| 1635 | !$this->root() |
| 1636 | ) { |
| 1637 | return null; |
| 1638 | } |
| 1639 | |
| 1640 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 1641 | |
| 1642 | $revision = $this->topmostThread()->threadRevision; |
| 1643 | $timestamp = $dbr->timestamp( $revision->getTimestamp() ); |
| 1644 | |
| 1645 | $row = $dbr->newSelectQueryBuilder() |
| 1646 | ->select( '*' ) |
| 1647 | ->from( 'revision' ) |
| 1648 | ->join( 'page', null, 'rev_page=page_id' ) |
| 1649 | ->where( [ |
| 1650 | $dbr->expr( 'rev_timestamp', '<=', $timestamp ), |
| 1651 | 'page_namespace' => $this->root()->getTitle()->getNamespace(), |
| 1652 | 'page_title' => $this->root()->getTitle()->getDBkey(), |
| 1653 | ] ) |
| 1654 | ->caller( __METHOD__ ) |
| 1655 | ->orderBy( 'rev_timestamp', SelectQueryBuilder::SORT_DESC ) |
| 1656 | ->fetchRow(); |
| 1657 | |
| 1658 | return $row->rev_id; |
| 1659 | } |
| 1660 | |
| 1661 | public function sortkey() { |
| 1662 | return $this->sortkey; |
| 1663 | } |
| 1664 | |
| 1665 | public function setSortKey( $k = null ) { |
| 1666 | if ( $k === null ) { |
| 1667 | $k = wfTimestamp( TS_MW ); |
| 1668 | } |
| 1669 | |
| 1670 | $this->sortkey = $k; |
| 1671 | } |
| 1672 | |
| 1673 | public function replyWithId( $id ) { |
| 1674 | if ( $this->id() == $id ) { |
| 1675 | return $this; |
| 1676 | } |
| 1677 | |
| 1678 | foreach ( $this->replies() as $reply ) { |
| 1679 | $obj = $reply->replyWithId( $id ); |
| 1680 | if ( $obj ) { |
| 1681 | return $obj; |
| 1682 | } |
| 1683 | } |
| 1684 | |
| 1685 | return null; |
| 1686 | } |
| 1687 | |
| 1688 | public static function createdSortCallback( self $a, self $b ) { |
| 1689 | $a = $a->created(); |
| 1690 | $b = $b->created(); |
| 1691 | |
| 1692 | if ( $a == $b ) { |
| 1693 | return 0; |
| 1694 | } elseif ( $a > $b ) { |
| 1695 | return 1; |
| 1696 | } else { |
| 1697 | return -1; |
| 1698 | } |
| 1699 | } |
| 1700 | |
| 1701 | public function split( $newSubject, $reason = '', $newSortkey = null ) { |
| 1702 | $oldTopThread = $this->topmostThread(); |
| 1703 | $oldParent = $this->superthread(); |
| 1704 | |
| 1705 | $original = $this->dbVersion; |
| 1706 | |
| 1707 | self::recursiveSet( $this, $newSubject, $this, null ); |
| 1708 | |
| 1709 | $oldParent->removeReply( $this ); |
| 1710 | |
| 1711 | $bump = null; |
| 1712 | if ( $newSortkey !== null ) { |
| 1713 | $this->setSortKey( $newSortkey ); |
| 1714 | $bump = false; |
| 1715 | } |
| 1716 | |
| 1717 | // For logging purposes, will be reset by the time this call returns. |
| 1718 | $this->dbVersion = $original; |
| 1719 | $user = RequestContext::getMain()->getUser(); // Need to inject |
| 1720 | |
| 1721 | $this->commitRevision( Threads::CHANGE_SPLIT, $user, null, $reason, $bump ); |
| 1722 | $oldTopThread->commitRevision( Threads::CHANGE_SPLIT_FROM, $user, $this, $reason ); |
| 1723 | } |
| 1724 | |
| 1725 | public function moveToParent( self $newParent, $reason = '' ) { |
| 1726 | $newSubject = $newParent->subject(); |
| 1727 | |
| 1728 | $original = $this->dbVersion; |
| 1729 | |
| 1730 | $oldTopThread = $newParent->topmostThread(); |
| 1731 | $oldParent = $this->superthread(); |
| 1732 | $newTopThread = $newParent->topmostThread(); |
| 1733 | |
| 1734 | self::recursiveSet( $this, $newSubject, $newTopThread, $newParent ); |
| 1735 | |
| 1736 | $newParent->addReply( $this ); |
| 1737 | |
| 1738 | if ( $oldParent ) { |
| 1739 | $oldParent->removeReply( $this ); |
| 1740 | } |
| 1741 | |
| 1742 | $this->dbVersion = $original; |
| 1743 | $user = RequestContext::getMain()->getUser(); // Need to inject |
| 1744 | |
| 1745 | $oldTopThread->commitRevision( Threads::CHANGE_MERGED_FROM, $user, $this, $reason ); |
| 1746 | $newParent->commitRevision( Threads::CHANGE_MERGED_TO, $user, $this, $reason ); |
| 1747 | } |
| 1748 | |
| 1749 | /** |
| 1750 | * @param self $thread |
| 1751 | * @param string $subject |
| 1752 | * @param self $ancestor |
| 1753 | * @param self|null $superthread |
| 1754 | */ |
| 1755 | public static function recursiveSet( |
| 1756 | self $thread, |
| 1757 | $subject, |
| 1758 | self $ancestor, |
| 1759 | $superthread = null |
| 1760 | ) { |
| 1761 | $thread->setSubject( $subject ); |
| 1762 | $thread->setAncestor( $ancestor->id() ); |
| 1763 | |
| 1764 | if ( $superthread ) { |
| 1765 | $thread->setSuperThread( $superthread ); |
| 1766 | } |
| 1767 | |
| 1768 | $thread->save(); |
| 1769 | |
| 1770 | foreach ( $thread->replies() as $subThread ) { |
| 1771 | self::recursiveSet( $subThread, $subject, $ancestor ); |
| 1772 | } |
| 1773 | } |
| 1774 | |
| 1775 | public static function validateSubject( $subject, User $user, &$title, $replyTo, $article ) { |
| 1776 | $t = null; |
| 1777 | $ok = true; |
| 1778 | |
| 1779 | while ( !$t ) { |
| 1780 | try { |
| 1781 | if ( !$replyTo && $subject ) { |
| 1782 | $t = Threads::newThreadTitle( $subject, $article ); |
| 1783 | } elseif ( $replyTo ) { |
| 1784 | $t = Threads::newReplyTitle( $replyTo, $user ); |
| 1785 | } |
| 1786 | |
| 1787 | if ( $t ) { |
| 1788 | break; |
| 1789 | } |
| 1790 | } catch ( Exception $e ) { |
| 1791 | } |
| 1792 | |
| 1793 | $subject = md5( (string)mt_rand() ); // Just a random title |
| 1794 | $ok = false; |
| 1795 | } |
| 1796 | |
| 1797 | $title = $t; |
| 1798 | |
| 1799 | return $ok; |
| 1800 | } |
| 1801 | |
| 1802 | /** |
| 1803 | * Returns true, or a string with either thread or talkpage, noting which is protected |
| 1804 | * |
| 1805 | * @param User $user |
| 1806 | * @param string $rigor |
| 1807 | * @return bool|string |
| 1808 | */ |
| 1809 | public function canUserReply( User $user, $rigor = PermissionManager::RIGOR_SECURE ) { |
| 1810 | $rootTitle = $this->topmostThread()->title(); |
| 1811 | $restrictionStore = MediaWikiServices::getInstance()->getRestrictionStore(); |
| 1812 | $threadRestrictions = $rootTitle ? $restrictionStore->getRestrictions( $rootTitle, 'reply' ) : []; |
| 1813 | $talkpageRestrictions = $restrictionStore->getRestrictions( $this->getTitle(), 'reply' ); |
| 1814 | |
| 1815 | $threadRestrictions = array_fill_keys( $threadRestrictions, 'thread' ); |
| 1816 | $talkpageRestrictions = array_fill_keys( $talkpageRestrictions, 'talkpage' ); |
| 1817 | |
| 1818 | $restrictions = array_merge( $threadRestrictions, $talkpageRestrictions ); |
| 1819 | |
| 1820 | foreach ( $restrictions as $right => $source ) { |
| 1821 | if ( $right == 'sysop' ) { |
| 1822 | $right = 'protect'; |
| 1823 | } |
| 1824 | if ( !$user->isAllowed( $right ) ) { |
| 1825 | return $source; |
| 1826 | } |
| 1827 | } |
| 1828 | |
| 1829 | return self::canUserCreateThreads( $user, $rigor ); |
| 1830 | } |
| 1831 | |
| 1832 | /** |
| 1833 | * @param User $user |
| 1834 | * @param Article $talkpage |
| 1835 | * @param string $rigor |
| 1836 | * @return bool |
| 1837 | */ |
| 1838 | public static function canUserPost( $user, $talkpage, $rigor = PermissionManager::RIGOR_SECURE ) { |
| 1839 | $restrictions = MediaWikiServices::getInstance()->getRestrictionStore() |
| 1840 | ->getRestrictions( $talkpage->getTitle(), 'newthread' ); |
| 1841 | |
| 1842 | foreach ( $restrictions as $right ) { |
| 1843 | if ( !$user->isAllowed( $right ) ) { |
| 1844 | return false; |
| 1845 | } |
| 1846 | } |
| 1847 | |
| 1848 | return self::canUserCreateThreads( $user, $rigor ); |
| 1849 | } |
| 1850 | |
| 1851 | /** |
| 1852 | * Generally, not some specific page |
| 1853 | * |
| 1854 | * @param User $user |
| 1855 | * @param string $rigor |
| 1856 | * @return bool |
| 1857 | */ |
| 1858 | public static function canUserCreateThreads( $user, $rigor = PermissionManager::RIGOR_SECURE ) { |
| 1859 | $userText = $user->getName(); |
| 1860 | $pm = MediaWikiServices::getInstance()->getPermissionManager(); |
| 1861 | |
| 1862 | static $canCreateNew = []; |
| 1863 | if ( !isset( $canCreateNew[$userText] ) ) { |
| 1864 | $title = Title::makeTitleSafe( |
| 1865 | NS_LQT_THREAD, 'Test title for LQT thread creation check' ); |
| 1866 | $canCreateNew[$userText] = $pm->userCan( 'edit', $user, $title, $rigor ); |
| 1867 | } |
| 1868 | |
| 1869 | return $canCreateNew[$userText]; |
| 1870 | } |
| 1871 | |
| 1872 | /** |
| 1873 | * @return string|null Signature wikitext, may be null for very old unserialized comments (T365495) |
| 1874 | */ |
| 1875 | public function signature() { |
| 1876 | return $this->signature; |
| 1877 | } |
| 1878 | |
| 1879 | public function setSignature( $sig ) { |
| 1880 | $sig = LqtView::signaturePST( $sig, $this->author() ); |
| 1881 | $this->signature = $sig; |
| 1882 | } |
| 1883 | |
| 1884 | public function editors() { |
| 1885 | if ( $this->editors === null ) { |
| 1886 | if ( $this->editedness() < Threads::EDITED_BY_AUTHOR ) { |
| 1887 | return []; |
| 1888 | } elseif ( $this->editedness == Threads::EDITED_BY_AUTHOR ) { |
| 1889 | return [ $this->author()->getName() ]; |
| 1890 | } |
| 1891 | |
| 1892 | // Load editors |
| 1893 | $this->editors = []; |
| 1894 | |
| 1895 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 1896 | $revQuery = self::getRevisionQueryInfo(); |
| 1897 | $res = $dbr->newSelectQueryBuilder() |
| 1898 | ->select( [ 'rev_user_text' => $revQuery['fields']['rev_user_text'] ] ) |
| 1899 | ->tables( $revQuery['tables'] ) |
| 1900 | ->where( [ |
| 1901 | 'rev_page' => $this->root()->getPage()->getId(), |
| 1902 | $dbr->expr( 'rev_parent_id', '!=', 0 ), |
| 1903 | ] ) |
| 1904 | ->caller( __METHOD__ ) |
| 1905 | ->joinConds( $revQuery['joins'] ) |
| 1906 | ->fetchResultSet(); |
| 1907 | |
| 1908 | $editors = []; |
| 1909 | foreach ( $res as $row ) { |
| 1910 | $editors[$row->rev_user_text] = 1; |
| 1911 | } |
| 1912 | |
| 1913 | $this->editors = array_keys( $editors ); |
| 1914 | } |
| 1915 | |
| 1916 | return $this->editors; |
| 1917 | } |
| 1918 | |
| 1919 | public function setEditors( $e ) { |
| 1920 | $this->editors = $e; |
| 1921 | } |
| 1922 | |
| 1923 | public function addEditor( $e ) { |
| 1924 | $this->editors[] = $e; |
| 1925 | $this->editors = array_unique( $this->editors ); |
| 1926 | } |
| 1927 | |
| 1928 | /** |
| 1929 | * @return Title the Title object for the article this thread is attached to. |
| 1930 | */ |
| 1931 | public function getTitle() { |
| 1932 | return $this->article()->getTitle(); |
| 1933 | } |
| 1934 | |
| 1935 | public function getReactions( $requestedType = null ) { |
| 1936 | if ( $this->reactions === null ) { |
| 1937 | if ( isset( self::$reactionCacheById[$this->id()] ) ) { |
| 1938 | $this->reactions = self::$reactionCacheById[$this->id()]; |
| 1939 | } else { |
| 1940 | $reactions = []; |
| 1941 | |
| 1942 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 1943 | |
| 1944 | $res = $dbr->newSelectQueryBuilder() |
| 1945 | ->select( [ 'tr_user', 'tr_user_text', 'tr_type', 'tr_value' ] ) |
| 1946 | ->from( 'thread_reaction' ) |
| 1947 | ->where( [ 'tr_thread' => $this->id() ] ) |
| 1948 | ->caller( __METHOD__ ) |
| 1949 | ->fetchResultSet(); |
| 1950 | |
| 1951 | foreach ( $res as $row ) { |
| 1952 | $user = $row->tr_user_text; |
| 1953 | $type = $row->tr_type; |
| 1954 | $info = [ |
| 1955 | 'type' => $type, |
| 1956 | 'user-id' => $row->tr_user, |
| 1957 | 'user-name' => $row->tr_user_text, |
| 1958 | 'value' => $row->tr_value, |
| 1959 | ]; |
| 1960 | |
| 1961 | if ( !isset( $reactions[$type] ) ) { |
| 1962 | $reactions[$type] = []; |
| 1963 | } |
| 1964 | |
| 1965 | $reactions[$type][$user] = $info; |
| 1966 | } |
| 1967 | |
| 1968 | $this->reactions = $reactions; |
| 1969 | } |
| 1970 | } |
| 1971 | |
| 1972 | if ( $requestedType === null ) { |
| 1973 | return $this->reactions; |
| 1974 | } else { |
| 1975 | return $this->reactions[$requestedType]; |
| 1976 | } |
| 1977 | } |
| 1978 | |
| 1979 | public function addReaction( $user, $type, $value ) { |
| 1980 | $info = [ |
| 1981 | 'type' => $type, |
| 1982 | 'user-id' => $user->getId(), |
| 1983 | 'user-name' => $user->getName(), |
| 1984 | 'value' => $value, |
| 1985 | ]; |
| 1986 | |
| 1987 | if ( !isset( $this->reactions[$type] ) ) { |
| 1988 | $this->reactions[$type] = []; |
| 1989 | } |
| 1990 | |
| 1991 | $this->reactions[$type][$user->getName()] = $info; |
| 1992 | |
| 1993 | $row = [ |
| 1994 | 'tr_type' => $type, |
| 1995 | 'tr_thread' => $this->id(), |
| 1996 | 'tr_user' => $user->getId(), |
| 1997 | 'tr_user_text' => $user->getName(), |
| 1998 | 'tr_value' => $value, |
| 1999 | ]; |
| 2000 | |
| 2001 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 2002 | |
| 2003 | $dbw->newInsertQueryBuilder() |
| 2004 | ->insertInto( 'thread_reaction' ) |
| 2005 | ->row( $row ) |
| 2006 | ->caller( __METHOD__ ) |
| 2007 | ->execute(); |
| 2008 | } |
| 2009 | |
| 2010 | public function deleteReaction( $user, $type ) { |
| 2011 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 2012 | |
| 2013 | if ( isset( $this->reactions[$type][$user->getName()] ) ) { |
| 2014 | unset( $this->reactions[$type][$user->getName()] ); |
| 2015 | } |
| 2016 | |
| 2017 | $dbw->newDeleteQueryBuilder() |
| 2018 | ->deleteFrom( 'thread_reaction' ) |
| 2019 | ->where( [ |
| 2020 | 'tr_thread' => $this->id(), |
| 2021 | 'tr_user' => $user->getId(), |
| 2022 | 'tr_type' => $type |
| 2023 | ] ) |
| 2024 | ->caller( __METHOD__ ) |
| 2025 | ->execute(); |
| 2026 | } |
| 2027 | |
| 2028 | /** |
| 2029 | * @return array[] |
| 2030 | */ |
| 2031 | private static function getRevisionQueryInfo() { |
| 2032 | $info = MediaWikiServices::getInstance()->getRevisionStore()->getQueryInfo(); |
| 2033 | if ( !isset( $info['fields']['rev_user_text'] ) ) { |
| 2034 | $info['fields']['rev_user_text'] = 'rev_user_text'; |
| 2035 | } |
| 2036 | |
| 2037 | return $info; |
| 2038 | } |
| 2039 | } |