includes/specials/pagers/ProtectedPagesPager.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Pager
  20  */
  21
  22 use \MediaWiki\Linker\LinkRenderer;
  23
  24 /**
  25  * @todo document
  26  */
  27 class ProtectedPagesPager extends TablePager {
  28         public $mForm, $mConds;
  29         private $type, $level, $namespace, $sizetype, $size, $indefonly, $cascadeonly, $noredirect;
  30
  31         /**
  32          * @var LinkRenderer
  33          */
  34         private $linkRenderer;
  35
  36         /**
  37          * @param SpecialProtectedpages $form
  38          * @param array $conds
  39          * @param $type
  40          * @param $level
  41          * @param $namespace
  42          * @param string $sizetype
  43          * @param int $size
  44          * @param bool $indefonly
  45          * @param bool $cascadeonly
  46          * @param bool $noredirect
  47          * @param LinkRenderer $linkRenderer
  48          */
  49         function __construct( $form, $conds = [], $type, $level, $namespace,
  50                 $sizetype = '', $size = 0, $indefonly = false, $cascadeonly = false, $noredirect = false,
  51                 LinkRenderer $linkRenderer
  52         ) {
  53                 $this->mForm = $form;
  54                 $this->mConds = $conds;
  55                 $this->type = ( $type ) ? $type : 'edit';
  56                 $this->level = $level;
  57                 $this->namespace = $namespace;
  58                 $this->sizetype = $sizetype;
  59                 $this->size = intval( $size );
  60                 $this->indefonly = (bool)$indefonly;
  61                 $this->cascadeonly = (bool)$cascadeonly;
  62                 $this->noredirect = (bool)$noredirect;
  63                 $this->linkRenderer = $linkRenderer;
  64                 parent::__construct( $form->getContext() );
  65         }
  66
  67         function preprocessResults( $result ) {
  68                 # Do a link batch query
  69                 $lb = new LinkBatch;
  70                 $userids = [];
  71
  72                 foreach ( $result as $row ) {
  73                         $lb->add( $row->page_namespace, $row->page_title );
  74                         // field is nullable, maybe null on old protections
  75                         if ( $row->log_user !== null ) {
  76                                 $userids[] = $row->log_user;
  77                         }
  78                 }
  79
  80                 // fill LinkBatch with user page and user talk
  81                 if ( count( $userids ) ) {
  82                         $userCache = UserCache::singleton();
  83                         $userCache->doQuery( $userids, [], __METHOD__ );
  84                         foreach ( $userids as $userid ) {
  85                                 $name = $userCache->getProp( $userid, 'name' );
  86                                 if ( $name !== false ) {
  87                                         $lb->add( NS_USER, $name );
  88                                         $lb->add( NS_USER_TALK, $name );
  89                                 }
  90                         }
  91                 }
  92
  93                 $lb->execute();
  94         }
  95
  96         function getFieldNames() {
  97                 static $headers = null;
  98
  99                 if ( $headers == [] ) {
 100                         $headers = [
 101                                 'log_timestamp' => 'protectedpages-timestamp',
 102                                 'pr_page' => 'protectedpages-page',
 103                                 'pr_expiry' => 'protectedpages-expiry',
 104                                 'log_user' => 'protectedpages-performer',
 105                                 'pr_params' => 'protectedpages-params',
 106                                 'log_comment' => 'protectedpages-reason',
 107                         ];
 108                         foreach ( $headers as $key => $val ) {
 109                                 $headers[$key] = $this->msg( $val )->text();
 110                         }
 111                 }
 112
 113                 return $headers;
 114         }
 115
 116         /**
 117          * @param string $field
 118          * @param string $value
 119          * @return string HTML
 120          * @throws MWException
 121          */
 122         function formatValue( $field, $value ) {
 123                 /** @var $row object */
 124                 $row = $this->mCurrentRow;
 125
 126                 switch ( $field ) {
 127                         case 'log_timestamp':
 128                                 // when timestamp is null, this is a old protection row
 129                                 if ( $value === null ) {
 130                                         $formatted = Html::rawElement(
 131                                                 'span',
 132                                                 [ 'class' => 'mw-protectedpages-unknown' ],
 133                                                 $this->msg( 'protectedpages-unknown-timestamp' )->escaped()
 134                                         );
 135                                 } else {
 136                                         $formatted = htmlspecialchars( $this->getLanguage()->userTimeAndDate(
 137                                                 $value, $this->getUser() ) );
 138                                 }
 139                                 break;
 140
 141                         case 'pr_page':
 142                                 $title = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
 143                                 if ( !$title ) {
 144                                         $formatted = Html::element(
 145                                                 'span',
 146                                                 [ 'class' => 'mw-invalidtitle' ],
 147                                                 Linker::getInvalidTitleDescription(
 148                                                         $this->getContext(),
 149                                                         $row->page_namespace,
 150                                                         $row->page_title
 151                                                 )
 152                                         );
 153                                 } else {
 154                                         $formatted = $this->linkRenderer->makeLink( $title );
 155                                 }
 156                                 if ( !is_null( $row->page_len ) ) {
 157                                         $formatted .= $this->getLanguage()->getDirMark() .
 158                                                 ' ' . Html::rawElement(
 159                                                         'span',
 160                                                         [ 'class' => 'mw-protectedpages-length' ],
 161                                                         Linker::formatRevisionSize( $row->page_len )
 162                                                 );
 163                                 }
 164                                 break;
 165
 166                         case 'pr_expiry':
 167                                 $formatted = htmlspecialchars( $this->getLanguage()->formatExpiry(
 168                                         $value, /* User preference timezone */true ) );
 169                                 $title = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
 170                                 if ( $this->getUser()->isAllowed( 'protect' ) && $title ) {
 171                                         $changeProtection = $this->linkRenderer->makeKnownLink(
 172                                                 $title,
 173                                                 $this->msg( 'protect_change' )->text(),
 174                                                 [],
 175                                                 [ 'action' => 'unprotect' ]
 176                                         );
 177                                         $formatted .= ' ' . Html::rawElement(
 178                                                         'span',
 179                                                         [ 'class' => 'mw-protectedpages-actions' ],
 180                                                         $this->msg( 'parentheses' )->rawParams( $changeProtection )->escaped()
 181                                                 );
 182                                 }
 183                                 break;
 184
 185                         case 'log_user':
 186                                 // when timestamp is null, this is a old protection row
 187                                 if ( $row->log_timestamp === null ) {
 188                                         $formatted = Html::rawElement(
 189                                                 'span',
 190                                                 [ 'class' => 'mw-protectedpages-unknown' ],
 191                                                 $this->msg( 'protectedpages-unknown-performer' )->escaped()
 192                                         );
 193                                 } else {
 194                                         $username = UserCache::singleton()->getProp( $value, 'name' );
 195                                         if ( LogEventsList::userCanBitfield(
 196                                                 $row->log_deleted,
 197                                                 LogPage::DELETED_USER,
 198                                                 $this->getUser()
 199                                         ) ) {
 200                                                 if ( $username === false ) {
 201                                                         $formatted = htmlspecialchars( $value );
 202                                                 } else {
 203                                                         $formatted = Linker::userLink( $value, $username )
 204                                                                 . Linker::userToolLinks( $value, $username );
 205                                                 }
 206                                         } else {
 207                                                 $formatted = $this->msg( 'rev-deleted-user' )->escaped();
 208                                         }
 209                                         if ( LogEventsList::isDeleted( $row, LogPage::DELETED_USER ) ) {
 210                                                 $formatted = '<span class="history-deleted">' . $formatted . '</span>';
 211                                         }
 212                                 }
 213                                 break;
 214
 215                         case 'pr_params':
 216                                 $params = [];
 217                                 // Messages: restriction-level-sysop, restriction-level-autoconfirmed
 218                                 $params[] = $this->msg( 'restriction-level-' . $row->pr_level )->escaped();
 219                                 if ( $row->pr_cascade ) {
 220                                         $params[] = $this->msg( 'protect-summary-cascade' )->escaped();
 221                                 }
 222                                 $formatted = $this->getLanguage()->commaList( $params );
 223                                 break;
 224
 225                         case 'log_comment':
 226                                 // when timestamp is null, this is an old protection row
 227                                 if ( $row->log_timestamp === null ) {
 228                                         $formatted = Html::rawElement(
 229                                                 'span',
 230                                                 [ 'class' => 'mw-protectedpages-unknown' ],
 231                                                 $this->msg( 'protectedpages-unknown-reason' )->escaped()
 232                                         );
 233                                 } else {
 234                                         if ( LogEventsList::userCanBitfield(
 235                                                 $row->log_deleted,
 236                                                 LogPage::DELETED_COMMENT,
 237                                                 $this->getUser()
 238                                         ) ) {
 239                                                 $formatted = Linker::formatComment( $value !== null ? $value : '' );
 240                                         } else {
 241                                                 $formatted = $this->msg( 'rev-deleted-comment' )->escaped();
 242                                         }
 243                                         if ( LogEventsList::isDeleted( $row, LogPage::DELETED_COMMENT ) ) {
 244                                                 $formatted = '<span class="history-deleted">' . $formatted . '</span>';
 245                                         }
 246                                 }
 247                                 break;
 248
 249                         default:
 250                                 throw new MWException( "Unknown field '$field'" );
 251                 }
 252
 253                 return $formatted;
 254         }
 255
 256         function getQueryInfo() {
 257                 $conds = $this->mConds;
 258                 $conds[] = 'pr_expiry > ' . $this->mDb->addQuotes( $this->mDb->timestamp() ) .
 259                         ' OR pr_expiry IS NULL';
 260                 $conds[] = 'page_id=pr_page';
 261                 $conds[] = 'pr_type=' . $this->mDb->addQuotes( $this->type );
 262
 263                 if ( $this->sizetype == 'min' ) {
 264                         $conds[] = 'page_len>=' . $this->size;
 265                 } elseif ( $this->sizetype == 'max' ) {
 266                         $conds[] = 'page_len<=' . $this->size;
 267                 }
 268
 269                 if ( $this->indefonly ) {
 270                         $infinity = $this->mDb->addQuotes( $this->mDb->getInfinity() );
 271                         $conds[] = "pr_expiry = $infinity OR pr_expiry IS NULL";
 272                 }
 273                 if ( $this->cascadeonly ) {
 274                         $conds[] = 'pr_cascade = 1';
 275                 }
 276                 if ( $this->noredirect ) {
 277                         $conds[] = 'page_is_redirect = 0';
 278                 }
 279
 280                 if ( $this->level ) {
 281                         $conds[] = 'pr_level=' . $this->mDb->addQuotes( $this->level );
 282                 }
 283                 if ( !is_null( $this->namespace ) ) {
 284                         $conds[] = 'page_namespace=' . $this->mDb->addQuotes( $this->namespace );
 285                 }
 286
 287                 return [
 288                         'tables' => [ 'page', 'page_restrictions', 'log_search', 'logging' ],
 289                         'fields' => [
 290                                 'pr_id',
 291                                 'page_namespace',
 292                                 'page_title',
 293                                 'page_len',
 294                                 'pr_type',
 295                                 'pr_level',
 296                                 'pr_expiry',
 297                                 'pr_cascade',
 298                                 'log_timestamp',
 299                                 'log_user',
 300                                 'log_comment',
 301                                 'log_deleted',
 302                         ],
 303                         'conds' => $conds,
 304                         'join_conds' => [
 305                                 'log_search' => [
 306                                         'LEFT JOIN', [
 307                                                 'ls_field' => 'pr_id', 'ls_value = ' . $this->mDb->buildStringCast( 'pr_id' )
 308                                         ]
 309                                 ],
 310                                 'logging' => [
 311                                         'LEFT JOIN', [
 312                                                 'ls_log_id = log_id'
 313                                         ]
 314                                 ]
 315                         ]
 316                 ];
 317         }
 318
 319         protected function getTableClass() {
 320                 return parent::getTableClass() . ' mw-protectedpages';
 321         }
 322
 323         function getIndexField() {
 324                 return 'pr_id';
 325         }
 326
 327         function getDefaultSort() {
 328                 return 'pr_id';
 329         }
 330
 331         function isFieldSortable( $field ) {
 332                 // no index for sorting exists
 333                 return false;
 334         }
 335 }