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