includes/SpecialContributions.php

   1 <?php
   2 /**
   3  * @package MediaWiki
   4  * @subpackage SpecialPage
   5  */
   6
   7 /** @package MediaWiki */
   8 class contribs_finder {
   9         var $username, $offset, $limit, $namespace;
  10         var $dbr;
  11
  12         function contribs_finder($username) {
  13                 $this->username = $username;
  14                 $this->namespace = false;
  15                 $this->dbr =& wfGetDB(DB_SLAVE);
  16         }
  17
  18         function set_namespace($ns) {
  19                 $this->namespace = $ns;
  20         }
  21
  22         function set_limit($limit) {
  23                 $this->limit = $limit;
  24         }
  25
  26         function set_offset($offset) {
  27                 $this->offset = $offset;
  28         }
  29
  30         function get_edit_limit($dir) {
  31                 list($index, $usercond) = $this->get_user_cond();
  32                 $nscond = $this->get_namespace_cond();
  33                 $use_index = $this->dbr->useIndexClause($index);
  34                 extract($this->dbr->tableNames('revision', 'page'));
  35                 $sql =  "SELECT rev_timestamp " .
  36                         " FROM $page,$revision $use_index " .
  37                         " WHERE rev_page=page_id AND $usercond $nscond" .
  38                         " ORDER BY rev_timestamp $dir LIMIT 1";
  39
  40                 $res = $this->dbr->query($sql, "contribs_finder::get_edit_limit");
  41                 while ($o = $this->dbr->fetchObject($res))
  42                         $row = $o;
  43                 return $row->rev_timestamp;
  44         }
  45
  46         function get_edit_limits() {
  47                 return array(
  48                         $this->get_edit_limit("ASC"),
  49                         $this->get_edit_limit("DESC")
  50                 );
  51         }
  52
  53         function get_user_cond() {
  54                 $condition = '';
  55
  56                 if ($this->username == 'newbies') {
  57                         $max = $this->dbr->selectField('user', 'max(user_id)', false, 'make_sql');
  58                         $condition = '>' . (int)($max - $max / 100);
  59                 }
  60
  61                 if ($condition == '') {
  62                         $condition = ' rev_user_text=' . $this->dbr->addQuotes($this->username);
  63                         $index = 'usertext_timestamp';
  64                 } else {
  65                         $condition = ' rev_user '.$condition ;
  66                         $index = 'user_timestamp';
  67                 }
  68                 return array($index, $condition);
  69         }
  70
  71         function get_namespace_cond() {
  72                 if ($this->namespace !== false)
  73                         return ' AND page_namespace = ' . (int)$this->namespace;
  74                 return '';
  75         }
  76
  77         function get_previous_offset_for_paging() {
  78                 list($index, $usercond) = $this->get_user_cond();
  79                 $nscond = $this->get_namespace_cond();
  80
  81                 $use_index = $this->dbr->useIndexClause($index);
  82                 extract($this->dbr->tableNames('page', 'revision'));
  83
  84                 $sql =  "SELECT rev_timestamp FROM $page, $revision $use_index " .
  85                         "WHERE page_id = rev_page AND rev_timestamp > '" . $this->offset . "' AND " .
  86                         $usercond . $nscond;
  87                 $sql .= " ORDER BY rev_timestamp ASC";
  88                 $sql = $this->dbr->limitResult($sql, $this->limit, 0);
  89                 $res = $this->dbr->query($sql);
  90                 $rows = array();
  91                 while ($obj = $this->dbr->fetchObject($res))
  92                         $rows[] = $obj;
  93                 $this->dbr->freeResult($res);
  94                 return $rows[count($rows) - 1]->rev_timestamp;
  95         }
  96
  97         function get_first_offset_for_paging() {
  98                 list($index, $usercond) = $this->get_user_cond();
  99                 $use_index = $this->dbr->useIndexClause($index);
 100                 extract($this->dbr->tableNames('page', 'revision'));
 101                 $nscond = $this->get_namespace_cond();
 102                 $sql =  "SELECT rev_timestamp FROM $page, $revision $use_index " .
 103                         "WHERE page_id = rev_page AND " .
 104                         $usercond . $nscond;
 105                 $sql .= " ORDER BY rev_timestamp ASC";
 106                 $sql = $this->dbr->limitResult($sql, $this->limit, 0);
 107                 $res = $this->dbr->query($sql);
 108                 $rows = array();
 109                 while ($obj = $this->dbr->fetchObject($res))
 110                         $rows[] = $obj;
 111                 $this->dbr->freeResult($res);
 112                 return $rows[count($rows) - 1]->rev_timestamp;
 113         }
 114
 115         /* private */ function make_sql() {
 116                 $userCond = $condition = $index = $offsetQuery = $limitQuery = "";
 117
 118                 extract($this->dbr->tableNames('page', 'revision'));
 119                 list($index, $userCond) = $this->get_user_cond();
 120
 121                 $limitQuery = 'LIMIT '.$this->limit;
 122                 if ($this->offset)
 123                         $offsetQuery = "AND rev_timestamp <= '{$this->offset}'";
 124
 125                 $nscond = $this->get_namespace_cond();
 126                 $use_index = $this->dbr->useIndexClause($index);
 127                 $sql = "SELECT
 128                         page_namespace,page_title,page_is_new,page_latest,
 129                         rev_id,rev_page,rev_text_id,rev_timestamp,rev_comment,rev_minor_edit,rev_user,rev_user_text,
 130                         rev_deleted
 131                         FROM $page,$revision $use_index
 132                         WHERE page_id=rev_page AND $userCond $nscond $offsetQuery
 133                         ORDER BY rev_timestamp DESC";
 134                 $sql = $this->dbr->limitResult($sql, $this->limit, 0);
 135                 return $sql;
 136         }
 137
 138         function find() {
 139                 $contribs = array();
 140                 $res = $this->dbr->query($this->make_sql(), 'contribs_finder::find');
 141                 while ($c = $this->dbr->fetchObject($res))
 142                         $contribs[] = $c;
 143                 $this->dbr->freeResult($res);
 144                 return $contribs;
 145         }
 146 };
 147
 148 /**
 149  * Special page "user contributions".
 150  * Shows a list of the contributions of a user.
 151  *
 152  * @return      none
 153  * @param       string  $par    (optional) user name of the user for which to show the contributions
 154  */
 155 function wfSpecialContributions( $par = null ) {
 156         global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest, $wgTitle, $wgScript, $wgSysopUserBans;
 157         $fname = 'wfSpecialContributions';
 158
 159         $target = isset($par) ? $par : $wgRequest->getVal( 'target' );
 160         if (!strlen($target)) {
 161                 $wgOut->errorpage('notargettitle', 'notargettext');
 162                 return;
 163         }
 164
 165         $nt = Title::newFromURL( $target );
 166         if (!$nt) {
 167                 $wgOut->errorpage( 'notargettitle', 'notargettext' );
 168                 return;
 169         }
 170         $nt =& Title::makeTitle(NS_USER, $nt->getDBkey());
 171
 172         list( $limit, $offset) = wfCheckLimits();
 173         $offset = $wgRequest->getVal('offset');
 174         /* Offset must be an integral. */
 175         if (!strlen($offset) || !preg_match('/^[0-9]+$/', $offset))
 176                 $offset = 0;
 177
 178         $title = Title::makeTitle(NS_SPECIAL, 'Contributions');
 179         $urlbits = 'target=' . wfUrlEncode($target);
 180         $myurl = $title->escapeLocalURL($urlbits);
 181
 182         $finder = new contribs_finder(($target == 'newbies') ? 'newbies' : $nt->getText());
 183
 184         $finder->set_limit($limit);
 185         $finder->set_offset($offset);
 186
 187         $nsurl = $xnsurl = '';
 188         if (($ns = $wgRequest->getVal('namespace', null)) !== null && $ns !== '') {
 189                 $nsurl = '&namespace='.$ns;
 190                 $xnsurl = htmlspecialchars($nsurl);
 191                 $finder->set_namespace($ns);
 192         }
 193
 194         $boturl = '';
 195         if ($wgUser->isAllowed('rollback') && $wgRequest->getBool( 'bot' ))
 196                 $boturl = '&amp;bot=1';
 197
 198         if ($wgRequest->getText('go') == 'prev') {
 199                 $prevts = $finder->get_previous_offset_for_paging();
 200                 $prevurl = $title->getLocalURL($urlbits . "&offset=$prevts&limit=$limit$nsurl$boturl");
 201                 $wgOut->redirect($prevurl);
 202                 return;
 203         }
 204
 205         if ($wgRequest->getText('go') == 'first' && $target != 'newbies') {
 206                 $prevts = $finder->get_first_offset_for_paging();
 207                 $prevurl = $title->getLocalURL($urlbits . "&offset=$prevts&limit=$limit$nsurl$boturl");
 208                 $wgOut->redirect($prevurl);
 209                 return;
 210         }
 211
 212         $sk = $wgUser->getSkin();
 213
 214         $id = User::idFromName($nt->getText());
 215
 216         if ( 0 == $id ) {
 217                 $ul = $nt->getText();
 218         } else {
 219                 $ul = $sk->makeLinkObj( $nt, htmlspecialchars( $nt->getText() ) );
 220                 $userCond = '=' . $id;
 221         }
 222         $talk = $nt->getTalkPage();
 223         if( $talk ) {
 224                 # Talk page link
 225                 $tools[] = $sk->makeLinkObj( $talk, $wgLang->getNsText( NS_TALK ) );
 226                 if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && User::isIP( $nt->getText() ) ) ) {
 227                         # Block link
 228                         if( $wgUser->isAllowed( 'block' ) )
 229                                 $tools[] = $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Blockip/' . urlencode( $nt->getText() ) ), wfMsgHtml( 'blocklink' ) );
 230                         # Block log link
 231                         $tools[] = $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Log' ), htmlspecialchars( LogPage::logName( 'block' ) ), 'type=block&page=' . urlencode( $nt->getPrefixedText() ) );
 232                 }
 233                 # Other logs link
 234                 $tools[] = $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Log' ), wfMsgHtml( 'log' ), 'user=' . urlencode( $nt->getText() ) );
 235                 $ul .= ' (' . implode( ' | ', $tools ) . ')';
 236         }
 237
 238         if ($target == 'newbies') {
 239                 $ul = wfMsg ('newbies');
 240         }
 241
 242         $wgOut->setSubtitle( wfMsgHtml( 'contribsub', $ul ) );
 243
 244         wfRunHooks('SpecialContributionsBeforeMainOutput', $id );
 245
 246         $arr =  $wgContLang->getFormattedNamespaces();
 247         $nsform = "<form method='get' action=\"$wgScript\">\n";
 248         $nsform .= wfElement('input', array(
 249                         'name' => 'title',
 250                         'type' => 'hidden',
 251                         'value' => $wgTitle->getPrefixedText()));
 252         $nsform .= wfElement('input', array(
 253                         'name' => 'offset',
 254                         'type' => 'hidden',
 255                         'value' => $offset));
 256         $nsform .= wfElement('input', array(
 257                         'name' => 'limit',
 258                         'type' => 'hidden',
 259                         'value' => $limit));
 260         $nsform .= wfElement('input', array(
 261                         'name' => 'target',
 262                         'type' => 'hidden',
 263                         'value' => $target));
 264         $nsform .= '<p>';
 265         $nsform .= wfMsgHtml('namespace');
 266
 267         $nsform .= ' ';
 268         $nsform .= HTMLnamespaceselector( $ns, '' );
 269
 270         $nsform .= wfElement('input', array(
 271                         'type' => 'submit',
 272                         'value' => wfMsg('allpagessubmit')));
 273         $nsform .= "</p></form>\n";
 274
 275         $wgOut->addHTML($nsform);
 276
 277         $contribsPage = Title::makeTitle( NS_SPECIAL, 'Contributions' );
 278         $contribs = $finder->find();
 279
 280         if (count($contribs) == 0) {
 281                 $wgOut->addWikiText( wfMsg( 'nocontribs' ) );
 282                 return;
 283         }
 284
 285         list($early, $late) = $finder->get_edit_limits();
 286         $lastts = count($contribs) ? $contribs[count($contribs) - 1]->rev_timestamp : 0;
 287         $atstart = (!count($contribs) || $late == $contribs[0]->rev_timestamp);
 288         $atend = (!count($contribs) || $early == $lastts);
 289
 290         $firsttext = wfMsgHtml('histfirst');
 291         $lasttext = wfMsgHtml('histlast');
 292
 293         $prevtext = wfMsg('prevn', $limit);
 294         if ($atstart) {
 295                 $lastlink = $lasttext;
 296                 $prevlink = $prevtext;
 297         } else {
 298                 $lastlink = "<a href=\"$myurl&amp;limit=$limit$xnsurl$boturl\">$lasttext</a>";
 299                 $prevlink = "<a href=\"$myurl&amp;offset=$offset&amp;limit=$limit$xnsurl$boturl&amp;go=prev\">$prevtext</a>";
 300         }
 301
 302         $nexttext = wfMsg('nextn', $limit);
 303         if ($atend) {
 304                 $firstlink = $firsttext;
 305                 $nextlink = $nexttext;
 306         } else {
 307                 $firstlink = "<a href=\"$myurl&amp;limit=$limit$xnsurl$boturl&amp;go=first\">$firsttext</a>";
 308                 $nextlink = "<a href=\"$myurl&amp;offset=$lastts&amp;limit=$limit$xnsurl$boturl\">$nexttext</a>";
 309         }
 310         if ($target == 'newbies') {
 311                 $firstlast ="($lastlink)";
 312         } else {
 313                 $firstlast = "($lastlink | $firstlink)";
 314         }
 315
 316         $urls = array();
 317         foreach (array(20, 50, 100, 250, 500) as $num)
 318                 $urls[] = "<a href=\"$myurl&amp;offset=$offset&amp;limit={$num}$xnsurl$boturl\">".$wgLang->formatNum($num)."</a>";
 319         $bits = implode($urls, ' | ');
 320
 321         $prevnextbits = $firstlast .' '. wfMsgHtml('viewprevnext', $prevlink, $nextlink, $bits);
 322
 323         $wgOut->addHTML( "<p>{$prevnextbits}</p>\n");
 324
 325         $wgOut->addHTML( "<ul>\n" );
 326
 327         foreach ($contribs as $contrib)
 328                 $wgOut->addHTML(ucListEdit($sk, $contrib));
 329
 330         $wgOut->addHTML( "</ul>\n" );
 331         $wgOut->addHTML( "<p>{$prevnextbits}</p>\n");
 332 }
 333
 334
 335 /**
 336  * Generates each row in the contributions list.
 337  *
 338  * Contributions which are marked "top" are currently on top of the history.
 339  * For these contributions, a [rollback] link is shown for users with sysop
 340  * privileges. The rollback link restores the most recent version that was not
 341  * written by the target user.
 342  *
 343  * If the contributions page is called with the parameter &bot=1, all rollback
 344  * links also get that parameter. It causes the edit itself and the rollback
 345  * to be marked as "bot" edits. Bot edits are hidden by default from recent
 346  * changes, so this allows sysops to combat a busy vandal without bothering
 347  * other users.
 348  *
 349  * @todo This would probably look a lot nicer in a table.
 350  */
 351 function ucListEdit( $sk, $row ) {
 352         $fname = 'ucListEdit';
 353         wfProfileIn( $fname );
 354
 355         global $wgLang, $wgUser, $wgRequest;
 356         static $messages;
 357         if( !isset( $messages ) ) {
 358                 foreach( explode( ' ', 'uctop diff newarticle rollbacklink diff hist minoreditletter' ) as $msg ) {
 359                         $messages[$msg] = wfMsg( $msg );
 360                 }
 361         }
 362
 363         $rev = new Revision( $row );
 364
 365         $page = Title::makeTitle( $row->page_namespace, $row->page_title );
 366         $link = $sk->makeKnownLinkObj( $page );
 367         $difftext = $topmarktext = '';
 368         if( $row->rev_id == $row->page_latest ) {
 369                 $topmarktext .= '<strong>' . $messages['uctop'] . '</strong>';
 370                 if( !$row->page_is_new ) {
 371                         $difftext .= '(' . $sk->makeKnownLinkObj( $page, $messages['diff'], 'diff=0' ) . ')';
 372                 } else {
 373                         $difftext .= $messages['newarticle'];
 374                 }
 375
 376                 if( $wgUser->isAllowed('rollback') ) {
 377                         $extraRollback = $wgRequest->getBool( 'bot' ) ? '&bot=1' : '';
 378                         $extraRollback .= '&token=' . urlencode(
 379                                 $wgUser->editToken( array( $page->getPrefixedText(), $row->rev_user_text ) ) );
 380                         $topmarktext .= ' ['. $sk->makeKnownLinkObj( $page,
 381                                 $messages['rollbacklink'],
 382                                 'action=rollback&from=' . urlencode( $row->rev_user_text ) . $extraRollback ) .']';
 383                 }
 384
 385         }
 386         if( $rev->userCan( MW_REV_DELETED_TEXT ) ) {
 387                 $difftext = '(' . $sk->makeKnownLinkObj( $page, $messages['diff'], 'diff=prev&oldid='.$row->rev_id ) . ')';
 388         } else {
 389                 $difftext = '(' . $messages['diff'] . ')';
 390         }
 391         $histlink='('.$sk->makeKnownLinkObj( $page, $messages['hist'], 'action=history' ) . ')';
 392
 393         $comment = $sk->revComment( $rev );
 394         $d = $wgLang->timeanddate( wfTimestamp(TS_MW, $row->rev_timestamp), true );
 395
 396         if( $rev->isDeleted( MW_REV_DELETED_TEXT ) ) {
 397                 $d = '<span class="history-deleted">' . $d . '</span>';
 398         }
 399
 400         if( $row->rev_minor_edit ) {
 401                 $mflag = '<span class="minor">' . $messages['minoreditletter'] . '</span> ';
 402         } else {
 403                 $mflag = '';
 404         }
 405
 406         $ret = "{$d} {$histlink} {$difftext} {$mflag} {$link} {$comment} {$topmarktext}";
 407         if( $rev->isDeleted( MW_REV_DELETED_TEXT ) ) {
 408                 $ret .= ' ' . wfMsgHtml( 'deletedrev' );
 409         }
 410         $ret = "<li>$ret</li>\n";
 411         wfProfileOut( $fname );
 412         return $ret;
 413 }
 414
 415 ?>