includes/specials/SpecialDeletedContributions.php

   1 <?php
   2 /**
   3  * Implements Special:DeletedContributions to display archived revisions
   4  * @ingroup SpecialPage
   5  */
   6
   7 class DeletedContribsPager extends IndexPager {
   8         public $mDefaultDirection = true;
   9         var $messages, $target;
  10         var $namespace = '', $mDb;
  11
  12         function __construct( $target, $namespace = false ) {
  13                 parent::__construct();
  14                 foreach( explode( ' ', 'deletionlog undeletebtn minoreditletter diff' ) as $msg ) {
  15                         $this->messages[$msg] = wfMsgExt( $msg, array( 'escape') );
  16                 }
  17                 $this->target = $target;
  18                 $this->namespace = $namespace;
  19                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
  20         }
  21
  22         function getDefaultQuery() {
  23                 $query = parent::getDefaultQuery();
  24                 $query['target'] = $this->target;
  25                 return $query;
  26         }
  27
  28         function getQueryInfo() {
  29                 list( $index, $userCond ) = $this->getUserCond();
  30                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
  31
  32                 return array(
  33                         'tables' => array( 'archive' ),
  34                         'fields' => array(
  35                                 'ar_rev_id', 'ar_namespace', 'ar_title', 'ar_timestamp', 'ar_comment', 'ar_minor_edit',
  36                                 'ar_user', 'ar_user_text', 'ar_deleted'
  37                         ),
  38                         'conds' => $conds,
  39                         'options' => array( 'USE INDEX' => $index )
  40                 );
  41         }
  42
  43         function getUserCond() {
  44                 $condition = array();
  45
  46                 $condition['ar_user_text'] = $this->target;
  47                 $index = 'usertext_timestamp';
  48
  49                 return array( $index, $condition );
  50         }
  51
  52         function getIndexField() {
  53                 return 'ar_timestamp';
  54         }
  55
  56         function getStartBody() {
  57                 return "<ul>\n";
  58         }
  59
  60         function getEndBody() {
  61                 return "</ul>\n";
  62         }
  63
  64         function getNavigationBar() {
  65                 if ( isset( $this->mNavigationBar ) ) {
  66                         return $this->mNavigationBar;
  67                 }
  68                 $linkTexts = array(
  69                         'prev' => wfMsgHtml( 'pager-newer-n', $this->mLimit ),
  70                         'next' => wfMsgHtml( 'pager-older-n', $this->mLimit ),
  71                         'first' => wfMsgHtml( 'histlast' ),
  72                         'last' => wfMsgHtml( 'histfirst' )
  73                 );
  74
  75                 $pagingLinks = $this->getPagingLinks( $linkTexts );
  76                 $limitLinks = $this->getLimitLinks();
  77                 $limits = implode( ' | ', $limitLinks );
  78
  79                 $this->mNavigationBar = "({$pagingLinks['first']} | {$pagingLinks['last']}) " .
  80                         wfMsgExt( 'viewprevnext', array( 'parsemag' ), $pagingLinks['prev'], $pagingLinks['next'], $limits );
  81                 return $this->mNavigationBar;
  82         }
  83
  84         function getNamespaceCond() {
  85                 if ( $this->namespace !== '' ) {
  86                         return array( 'ar_namespace' => (int)$this->namespace );
  87                 } else {
  88                         return array();
  89                 }
  90         }
  91
  92         /**
  93          * Generates each row in the contributions list.
  94          *
  95          * Contributions which are marked "top" are currently on top of the history.
  96          * For these contributions, a [rollback] link is shown for users with sysop
  97          * privileges. The rollback link restores the most recent version that was not
  98          * written by the target user.
  99          *
 100          * @todo This would probably look a lot nicer in a table.
 101          */
 102         function formatRow( $row ) {
 103                 wfProfileIn( __METHOD__ );
 104
 105                 global $wgLang, $wgUser;
 106
 107                 $sk = $this->getSkin();
 108
 109                 $rev = new Revision( array(
 110                                 'id'         => $row->ar_rev_id,
 111                                 'comment'    => $row->ar_comment,
 112                                 'user'       => $row->ar_user,
 113                                 'user_text'  => $row->ar_user_text,
 114                                 'timestamp'  => $row->ar_timestamp,
 115                                 'minor_edit' => $row->ar_minor_edit,
 116                                 'rev_deleted' => $row->ar_deleted,
 117                                 ) );
 118
 119                 $page = Title::makeTitle( $row->ar_namespace, $row->ar_title );
 120
 121                 $undelete = SpecialPage::getTitleFor( 'Undelete' );
 122
 123                 $logs = SpecialPage::getTitleFor( 'Log' );
 124                 $dellog = $sk->makeKnownLinkObj( $logs,
 125                         $this->messages['deletionlog'],
 126                         'type=delete&page=' . $page->getPrefixedUrl() );
 127
 128                 $reviewlink = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Undelete', $page->getPrefixedDBkey() ),
 129                         $this->messages['undeletebtn'] );
 130
 131                 $link = $sk->makeKnownLinkObj( $undelete,
 132                         htmlspecialchars( $page->getPrefixedText() ),
 133                         'target=' . $page->getPrefixedUrl() .
 134                         '&timestamp=' . $rev->getTimestamp() );
 135
 136                 $last = $sk->makeKnownLinkObj( $undelete,
 137                         $this->messages['diff'],
 138                         "target=" . $page->getPrefixedUrl() .
 139                         "&timestamp=" . $rev->getTimestamp() .
 140                         "&diff=prev" );
 141
 142                 $comment = $sk->revComment( $rev );
 143                 $d = $wgLang->timeanddate( $rev->getTimestamp(), true );
 144
 145                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 146                         $d = '<span class="history-deleted">' . $d . '</span>';
 147                 } else {
 148                         $link = $sk->makeKnownLinkObj( $undelete, $d,
 149                                 'target=' . $page->getPrefixedUrl() .
 150                                 '&timestamp=' . $rev->getTimestamp() );
 151                 }
 152
 153                 $pagelink = $sk->makeLinkObj( $page );
 154
 155                 if( $rev->isMinor() ) {
 156                         $mflag = '<span class="minor">' . $this->messages['minoreditletter'] . '</span> ';
 157                 } else {
 158                         $mflag = '';
 159                 }
 160
 161
 162                 $ret = "{$link} ($last) ({$dellog}) ({$reviewlink}) . . {$mflag} {$pagelink} {$comment}";
 163                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 164                         $ret .= ' ' . wfMsgHtml( 'deletedrev' );
 165                 }
 166
 167                 $ret = "<li>$ret</li>\n";
 168
 169                 wfProfileOut( __METHOD__ );
 170                 return $ret;
 171         }
 172
 173         /**
 174          * Get the Database object in use
 175          *
 176          * @return Database
 177          */
 178         public function getDatabase() {
 179                 return $this->mDb;
 180         }
 181 }
 182
 183 class DeletedContributionsPage extends SpecialPage {
 184         function __construct() {
 185                 parent::__construct( 'DeletedContributions', 'deletedhistory',
 186                 /*listed*/ true, /*function*/ false, /*file*/ false );
 187         }
 188
 189         /**
 190          * Special page "deleted user contributions".
 191          * Shows a list of the deleted contributions of a user.
 192          *
 193          * @return      none
 194          * @param       $par    String: (optional) user name of the user for which to show the contributions
 195          */
 196         function execute( $par ) {
 197                 global $wgUser;
 198                 $this->setHeaders();
 199
 200                 if ( !$this->userCanExecute( $wgUser ) ) {
 201                         $this->displayRestrictionError();
 202                         return;
 203                 }
 204
 205                 global $wgUser, $wgOut, $wgLang, $wgRequest;
 206
 207                 $wgOut->setPageTitle( wfMsg( 'deletedcontributions-title' ) );
 208
 209                 $options = array();
 210
 211                 if ( isset( $par ) ) {
 212                         $target = $par;
 213                 } else {
 214                         $target = $wgRequest->getVal( 'target' );
 215                 }
 216
 217                 if ( !strlen( $target ) ) {
 218                         $wgOut->addHTML( $this->getForm( '' ) );
 219                         return;
 220                 }
 221
 222                 $options['limit'] = $wgRequest->getInt( 'limit', 50 );
 223                 $options['target'] = $target;
 224
 225                 $nt = Title::makeTitleSafe( NS_USER, $target );
 226                 if ( !$nt ) {
 227                         $wgOut->addHTML( $this->getForm( '' ) );
 228                         return;
 229                 }
 230                 $id = User::idFromName( $nt->getText() );
 231
 232                 $target = $nt->getText();
 233                 $wgOut->setSubtitle( $this->getSubTitle( $nt, $id ) );
 234
 235                 if ( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
 236                         $options['namespace'] = intval( $ns );
 237                 } else {
 238                         $options['namespace'] = '';
 239                 }
 240
 241                 $wgOut->addHTML( $this->getForm( $options ) );
 242
 243                 $pager = new DeletedContribsPager( $target, $options['namespace'] );
 244                 if ( !$pager->getNumRows() ) {
 245                         $wgOut->addWikiText( wfMsg( 'nocontribs' ) );
 246                         return;
 247                 }
 248
 249                 # Show a message about slave lag, if applicable
 250                 if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 251                         $wgOut->showLagWarning( $lag );
 252
 253                 $wgOut->addHTML(
 254                         '<p>' . $pager->getNavigationBar() . '</p>' .
 255                         $pager->getBody() .
 256                         '<p>' . $pager->getNavigationBar() . '</p>' );
 257
 258                 # If there were contributions, and it was a valid user or IP, show
 259                 # the appropriate "footer" message - WHOIS tools, etc.
 260                 if( $target != 'newbies' ) {
 261                         $message = IP::isIPAddress( $target )
 262                                 ? 'sp-contributions-footer-anon'
 263                                 : 'sp-contributions-footer';
 264
 265
 266                         $text = wfMsgNoTrans( $message, $target );
 267                         if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 268                                 $wgOut->addHTML( '<div class="mw-contributions-footer">' );
 269                                 $wgOut->addWikiText( $text );
 270                                 $wgOut->addHTML( '</div>' );
 271                         }
 272                 }
 273         }
 274
 275         /**
 276          * Generates the subheading with links
 277          * @param $nt @see Title object for the target
 278          */
 279         function getSubTitle( $nt, $id ) {
 280                 global $wgSysopUserBans, $wgLang, $wgUser;
 281
 282                 $sk = $wgUser->getSkin();
 283
 284                 if ( 0 == $id ) {
 285                         $user = $nt->getText();
 286                 } else {
 287                         $user = $sk->makeLinkObj( $nt, htmlspecialchars( $nt->getText() ) );
 288                 }
 289                 $talk = $nt->getTalkPage();
 290                 if( $talk ) {
 291                         # Talk page link
 292                         $tools[] = $sk->makeLinkObj( $talk, wfMsgHtml( 'talkpagelinktext' ) );
 293                         if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && User::isIP( $nt->getText() ) ) ) {
 294                                 # Block link
 295                                 if( $wgUser->isAllowed( 'block' ) )
 296                                         $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 297                                                 wfMsgHtml( 'blocklink' ) );
 298                                 # Block log link
 299                                 $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Log' ),
 300                                         wfMsgHtml( 'sp-contributions-blocklog' ), 'type=block&page=' . $nt->getPrefixedUrl() );
 301                         }
 302                         # Other logs link
 303                         $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Log' ),
 304                                 wfMsgHtml( 'log' ), 'user=' . $nt->getPartialUrl() );
 305                         # Link to undeleted contributions
 306                         $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Contributions', $nt->getDBkey() ),
 307                                 wfMsgHtml( 'contributions' ) );
 308
 309                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 310
 311                         $links = implode( ' | ', $tools );
 312                 }
 313
 314                 // Old message 'contribsub' had one parameter, but that doesn't work for
 315                 // languages that want to put the "for" bit right after $user but before
 316                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 317                 // otherwise use 'contribsub2'.
 318                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 319                         return wfMsgHtml( 'contribsub2', $user, $links );
 320                 } else {
 321                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 322                 }
 323         }
 324
 325         /**
 326          * Generates the namespace selector form with hidden attributes.
 327          * @param $options Array: the options to be included.
 328          */
 329         function getForm( $options ) {
 330                 global $wgScript, $wgTitle, $wgRequest;
 331
 332                 $options['title'] = $wgTitle->getPrefixedText();
 333                 if ( !isset( $options['target'] ) ) {
 334                         $options['target'] = '';
 335                 } else {
 336                         $options['target'] = str_replace( '_' , ' ' , $options['target'] );
 337                 }
 338
 339                 if ( !isset( $options['namespace'] ) ) {
 340                         $options['namespace'] = '';
 341                 }
 342
 343                 if ( !isset( $options['contribs'] ) ) {
 344                         $options['contribs'] = 'user';
 345                 }
 346
 347                 if ( $options['contribs'] == 'newbie' ) {
 348                         $options['target'] = '';
 349                 }
 350
 351                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
 352
 353                 foreach ( $options as $name => $value ) {
 354                         if ( in_array( $name, array( 'namespace', 'target', 'contribs' ) ) ) {
 355                                 continue;
 356                         }
 357                         $f .= "\t" . Xml::hidden( $name, $value ) . "\n";
 358                 }
 359
 360                 $f .=  Xml::openElement( 'fieldset' ) .
 361                         Xml::element( 'legend', array(), wfMsg( 'sp-contributions-search' ) ) .
 362                         Xml::tags( 'label', array( 'for' => 'target' ), wfMsgExt( 'sp-contributions-username', 'parseinline' ) ) . ' ' .
 363                         Xml::input( 'target', 20, $options['target']) . ' '.
 364                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 365                         Xml::namespaceSelector( $options['namespace'], '' ) . ' ' .
 366                         Xml::submitButton( wfMsg( 'sp-contributions-submit' ) ) .
 367                         Xml::closeElement( 'fieldset' ) .
 368                         Xml::closeElement( 'form' );
 369                 return $f;
 370         }
 371 }