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