includes/SpecialContributions.php

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