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                         "rev_user_text = " . $this->dbr->addQuotes($this->username) .
  87                         $nscond;
  88                 $sql .= " ORDER BY rev_timestamp ASC LIMIT " . ($this->limit+1);
  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                         "rev_user_text = " . $this->dbr->addQuotes($this->username) .
 105                         $nscond;
 106                 $sql .= " ORDER BY rev_timestamp ASC LIMIT " . ($this->limit + 1);
 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_timestamp,rev_comment,rev_minor_edit,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 $limitQuery";
 134                 return $sql;
 135         }
 136
 137         function find() {
 138                 $contribs = array();
 139                 $res = $this->dbr->query($this->make_sql(), "contribs_finder::find");
 140                 while ($c = $this->dbr->fetchObject($res))
 141                         $contribs[] = $c;
 142                 $this->dbr->freeResult($res);
 143                 return $contribs;
 144         }
 145 };
 146
 147 /**
 148  * Special page "user contributions".
 149  * Shows a list of the contributions of a user.
 150  *
 151  * @return      none
 152  * @param       string  $par    (optional) user name of the user for which to show the contributions
 153  */
 154 function wfSpecialContributions( $par = null ) {
 155         global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest, $wgTitle;
 156         $fname = 'wfSpecialContributions';
 157
 158         $target = isset($par) ? $par : $wgRequest->getVal( 'target' );
 159         if (!strlen($target)) {
 160                 $wgOut->errorpage('notargettitle', 'notargettext');
 161                 return;
 162         }
 163
 164         $nt = Title::newFromURL( $target );
 165         if (!$nt) {
 166                 $wgOut->errorpage( 'notargettitle', 'notargettext' );
 167                 return;
 168         }
 169         $nt =& Title::makeTitle(NS_USER, $nt->getDBkey());
 170
 171         $limit = min($wgRequest->getInt('limit', 50), 500);
 172         $offset = $wgRequest->getVal('offset');
 173         /* Offset must be an integral. */
 174         if (!strlen($offset) || !preg_match("/^[0-9]+$/", $offset))
 175                 $offset = 0;
 176
 177         $title = Title::makeTitle(NS_SPECIAL, "Contributions");
 178         $urlbits = "target=" . wfUrlEncode($target);
 179         $myurl = $title->escapeLocalURL($urlbits);
 180
 181         $finder = new contribs_finder(($target == 'newbies') ? 'newbies' : $nt->getText());
 182
 183         $finder->set_limit($limit);
 184         $finder->set_offset($offset);
 185
 186         if (($ns = $wgRequest->getVal('namespace', null)) !== null)
 187                 $finder->set_namespace($ns);
 188
 189         if ($wgRequest->getText('go') == "prev") {
 190                 $prevts = $finder->get_previous_offset_for_paging();
 191                 $prevurl = $title->getLocalURL($urlbits . "&offset=$prevts&limit=$limit");
 192                 $wgOut->redirect($prevurl);
 193                 return;
 194         }
 195
 196         if ($wgRequest->getText('go') == "first") {
 197                 $prevts = $finder->get_first_offset_for_paging();
 198                 $prevurl = $title->getLocalURL($urlbits . "&offset=$prevts&limit=$limit");
 199                 $wgOut->redirect($prevurl);
 200                 return;
 201         }
 202
 203         $sk = $wgUser->getSkin();
 204
 205         $id = User::idFromName($nt->getText());
 206
 207         if ( 0 == $id ) {
 208                 $ul = $nt->getText();
 209         } else {
 210                 $ul = $sk->makeLinkObj( $nt, htmlspecialchars( $nt->getText() ) );
 211                 $userCond = '=' . $id;
 212         }
 213         $talk = $nt->getTalkPage();
 214         if( $talk ) {
 215                 $ul .= ' (' . $sk->makeLinkObj( $talk, $wgLang->getNsText( NS_TALK ) ) . ')';
 216         }
 217
 218         if ($target == 'newbies') {
 219                 $ul = wfMsg ('newbies');
 220         }
 221
 222         $wgOut->setSubtitle( wfMsgHtml( 'contribsub', $ul ) );
 223
 224         $contribsPage = Title::makeTitle( NS_SPECIAL, 'Contributions' );
 225         $contribs = $finder->find();
 226
 227         if (count($contribs) == 0) {
 228                 $wgOut->addWikiText( wfMsg( "nocontribs" ) );
 229                 return;
 230         }
 231
 232         list($early, $late) = $finder->get_edit_limits();
 233         $lastts = count($contribs) ? $contribs[count($contribs) - 1]->rev_timestamp : 0;
 234         $atstart = (!count($contribs) || $late == $contribs[0]->rev_timestamp);
 235         $atend = (!count($contribs) || $early == $lastts);
 236
 237         $lasturl = $wgTitle->escapeLocalURL("action=history&limit={$limit}");
 238
 239         $firsttext = wfMsgHtml("histfirst");
 240         $lasttext = wfMsgHtml("histlast");
 241
 242         $prevtext = wfMsg("prevn", $limit);
 243         if ($atstart) {
 244                 $lastlink = $lasttext;
 245                 $prevlink = $prevtext;
 246         } else {
 247                 $lastlink = "<a href=\"$myurl&amp;limit=$limit\">$lasttext</a>";
 248                 $prevlink = "<a href=\"$myurl&amp;offset=$offset&amp;limit=$limit&amp;go=prev\">$prevtext</a>";
 249         }
 250
 251         $nexttext = wfMsg("nextn", $limit);
 252         if ($atend) {
 253                 $firstlink = $firsttext;
 254                 $nextlink = $nexttext;
 255         } else {
 256                 $firstlink = "<a href=\"$myurl&amp;limit=$limit&amp;go=first\">$firsttext</a>";
 257                 $nextlink = "<a href=\"$myurl&amp;offset=$lastts&amp;limit=$limit\">$nexttext</a>";
 258         }
 259         $firstlast = "($lastlink | $firstlink)";
 260
 261         $urls = array();
 262         foreach (array(20, 50, 100, 250, 500) as $num)
 263                 $urls[] = "<a href=\"$myurl&amp;offset=$offset&amp;limit={$num}\">".$wgLang->formatNum($num)."</a>";
 264         $bits = implode($urls, ' | ');
 265
 266         $prevnextbits = "$firstlast " . wfMsgHtml("viewprevnext", $prevlink, $nextlink, $bits);
 267
 268         $wgOut->addHTML( "<p>{$prevnextbits}</p>\n");
 269
 270         $wgOut->addHTML( "<ul>\n" );
 271
 272         foreach ($contribs as $contrib)
 273                 $wgOut->addHTML(ucListEdit($sk, $contrib));
 274
 275         $wgOut->addHTML( "</ul>\n" );
 276         $wgOut->addHTML( "<p>{$prevnextbits}</p>\n");
 277 }
 278
 279
 280 /**
 281  * Generates each row in the contributions list.
 282  *
 283  * Contributions which are marked "top" are currently on top of the history.
 284  * For these contributions, a [rollback] link is shown for users with sysop
 285  * privileges. The rollback link restores the most recent version that was not
 286  * written by the target user.
 287  *
 288  * If the contributions page is called with the parameter &bot=1, all rollback
 289  * links also get that parameter. It causes the edit itself and the rollback
 290  * to be marked as "bot" edits. Bot edits are hidden by default from recent
 291  * changes, so this allows sysops to combat a busy vandal without bothering
 292  * other users.
 293  *
 294  * @todo This would probably look a lot nicer in a table.
 295  */
 296 function ucListEdit( $sk, $row ) {
 297         $fname = 'ucListEdit';
 298         wfProfileIn( $fname );
 299
 300         global $wgLang, $wgOut, $wgUser, $wgRequest;
 301         static $messages;
 302         if( !isset( $messages ) ) {
 303                 foreach( explode( ' ', 'uctop diff newarticle rollbacklink diff hist minoreditletter' ) as $msg ) {
 304                         $messages[$msg] = wfMsg( $msg );
 305                 }
 306         }
 307
 308         $page =& Title::makeTitle( $row->page_namespace, $row->page_title );
 309         $link = $sk->makeKnownLinkObj( $page, '' );
 310         $difftext = $topmarktext = '';
 311         if( $row->rev_id == $row->page_latest ) {
 312                 $topmarktext .= '<strong>' . $messages['uctop'] . '</strong>';
 313                 if( !$row->page_is_new ) {
 314                         $difftext .= $sk->makeKnownLinkObj( $page, '(' . $messages['diff'] . ')', 'diff=0' );
 315                 } else {
 316                         $difftext .= $messages['newarticle'];
 317                 }
 318
 319                 if( $wgUser->isAllowed('rollback') ) {
 320                         $extraRollback = $wgRequest->getBool( 'bot' ) ? '&bot=1' : '';
 321                         $extraRollback .= '&token=' . urlencode(
 322                                 $wgUser->editToken( array( $page->getPrefixedText(), $row->rev_user_text ) ) );
 323                         $topmarktext .= ' ['. $sk->makeKnownLinkObj( $page,
 324                                 $messages['rollbacklink'],
 325                                 'action=rollback&from=' . urlencode( $row->rev_user_text ) . $extraRollback ) .']';
 326                 }
 327
 328         }
 329         if( $row->rev_deleted && !$wgUser->isAllowed( 'undelete' ) ) {
 330                 $difftext = '(' . $messages['diff'] . ')';
 331         } else {
 332                 $difftext = $sk->makeKnownLinkObj( $page, '(' . $messages['diff'].')', 'diff=prev&oldid='.$row->rev_id );
 333         }
 334         $histlink='('.$sk->makeKnownLinkObj( $page, $messages['hist'], 'action=history' ) . ')';
 335
 336         $comment = $sk->commentBlock( $row->rev_comment, $page );
 337         $d = $wgLang->timeanddate( $row->rev_timestamp, true );
 338
 339         if( $row->rev_minor_edit ) {
 340                 $mflag = '<span class="minor">' . $messages['minoreditletter'] . '</span> ';
 341         } else {
 342                 $mflag = '';
 343         }
 344
 345         $ret = "{$d} {$histlink} {$difftext} {$mflag} {$link} {$comment} {$topmarktext}";
 346         if( $row->rev_deleted ) {
 347                 $ret = '<span class="deleted">' . $ret . '</span> ' . htmlspecialchars( wfMsg( 'deletedrev' ) );
 348         }
 349         $ret = "<li>$ret</li>\n";
 350         wfProfileOut( $fname );
 351         return $ret;
 352 }
 353
 354 ?>