includes/LogPage.php

   1 <?php
   2 # Class to simplify the use of log pages
   3
   4 class LogPage {
   5         /* private */ var $mTitle, $mContent, $mContentLoaded, $mId, $mComment;
   6         var $mUpdateRecentChanges ;
   7
   8         function LogPage( $title, $defaulttext = "<ul>\n</ul>"  )
   9         {
  10                 # For now, assume title is correct dbkey
  11                 # and log pages always go in Wikipedia namespace
  12                 $this->mTitle = str_replace( " ", "_", $title );
  13                 $this->mId = 0;
  14                 $this->mUpdateRecentChanges = true ;
  15                 $this->mContentLoaded = false;
  16                 $this->getContent( $defaulttext );
  17         }
  18
  19         function getContent( $defaulttext = "<ul>\n</ul>" )
  20         {
  21                 $sql = "SELECT cur_id,cur_text,cur_timestamp FROM cur " .
  22                         "WHERE cur_namespace=" . Namespace::getWikipedia() . " AND " .
  23                         "cur_title='" . wfStrencode($this->mTitle ) . "'";
  24                 $res = wfQuery( $sql, DB_READ, "LogPage::getContent" );
  25
  26                 if( wfNumRows( $res ) > 0 ) {
  27                         $s = wfFetchObject( $res );
  28                         $this->mId = $s->cur_id;
  29                         $this->mContent = $s->cur_text;
  30                         $this->mTimestamp = $s->cur_timestamp;
  31                 } else {
  32                         $this->mId = 0;
  33                         $this->mContent = $defaulttext;
  34                         $this->mTimestamp = wfTimestampNow();
  35                 }
  36                 $this->mContentLoaded = true; # Well, sort of
  37
  38                 return $this->mContent;
  39         }
  40
  41         function getTimestamp()
  42         {
  43                 if( !$this->mContentLoaded ) {
  44                         $this->getContent();
  45                 }
  46                 return $this->mTimestamp;
  47         }
  48
  49         function saveContent()
  50         {
  51                 if( wfReadOnly() ) return;
  52
  53                 global $wgUser;
  54                 $fname = "LogPage::saveContent";
  55                 $uid = $wgUser->getID();
  56                 $ut = wfStrencode( $wgUser->getName() );
  57
  58                 if( !$this->mContentLoaded ) return false;
  59                 $this->mTimestamp = $now = wfTimestampNow();
  60                 $won = wfInvertTimestamp( $now );
  61                 if($this->mId == 0) {
  62                         $sql = "INSERT INTO cur (cur_timestamp,cur_user,cur_user_text,
  63                                 cur_namespace,cur_title,cur_text,cur_comment,cur_restrictions,
  64                                 inverse_timestamp,cur_touched)
  65                                 VALUES ('{$now}', {$uid}, '{$ut}', " .
  66                                 Namespace::getWikipedia() . ", '" .
  67                                 wfStrencode( $this->mTitle ) . "', '" .
  68                                 wfStrencode( $this->mContent ) . "', '" .
  69                                 wfStrencode( $this->mComment ) . "', 'sysop', '{$won}','{$now}')";
  70                         wfQuery( $sql, DB_WRITE, $fname );
  71                         $this->mId = wfInsertId();
  72                 } else {
  73                         $sql = "UPDATE cur SET cur_timestamp='{$now}', " .
  74                           "cur_user={$uid}, cur_user_text='{$ut}', " .
  75                           "cur_text='" . wfStrencode( $this->mContent ) . "', " .
  76                           "cur_comment='" . wfStrencode( $this->mComment ) . "', " .
  77                           "cur_restrictions='sysop', inverse_timestamp='{$won}', cur_touched='{$now}' " .
  78                           "WHERE cur_id={$this->mId}";
  79                         wfQuery( $sql, DB_WRITE, $fname );
  80                 }
  81
  82                 # And update recentchanges
  83                 if ( $this->mUpdateRecentChanges ) {
  84                         $titleObj = Title::makeTitle( Namespace::getWikipedia(), $this->mTitle );
  85                         RecentChange::notifyLog( $now, $titleObj, $wgUser, $this->mComment );
  86                 }
  87                 return true;
  88         }
  89
  90         function addEntry( $action, $comment, $textaction = "" )
  91         {
  92                 global $wgLang, $wgUser;
  93
  94                 $comment_esc = wfEscapeWikiText( $comment );
  95
  96                 $this->getContent();
  97
  98                 $ut = $wgUser->getName();
  99                 $uid = $wgUser->getID();
 100                 if( $uid ) {
 101                         $ul = "[[" .
 102                           $wgLang->getNsText( Namespace::getUser() ) .
 103                           ":{$ut}|{$ut}]]";
 104                 } else {
 105                         $ul = $ut;
 106                 }
 107                 $d = $wgLang->timeanddate( wfTimestampNow(), false );
 108
 109                 if( preg_match( "/^(.*?)<ul>(.*)$/sD", $this->mContent, $m ) ) {
 110                         $before = $m[1];
 111                         $after = $m[2];
 112                 } else {
 113                         $before = "";
 114                         $after = "";
 115                 }
 116
 117                 if($textaction)
 118                         $this->mComment = $textaction;
 119                 else
 120                         $this->mComment = $action;
 121
 122                 if ( "" == $comment ) {
 123                         $inline = "";
 124                 } else {
 125                         $inline = " <em>({$comment_esc})</em>";
 126                         # comment gets escaped again, so we use the unescaped version
 127                         $this->mComment .= ": {$comment}";
 128                 }
 129                 $this->mContent = "{$before}<ul><li>{$d} {$ul} {$action}{$inline}</li>\n{$after}";
 130
 131                 # TODO: automatic log rotation...
 132
 133                 return $this->saveContent();
 134         }
 135
 136         function replaceContent( $text, $comment = "" )
 137         {
 138                 $this->mContent = $text;
 139                 $this->mComment = $comment;
 140                 $this->mTimestamp = wfTimestampNow();
 141                 return $this->saveContent();
 142         }
 143
 144         function showAsDisabledPage( $rawhtml = true )
 145         {
 146                 global $wgLang, $wgOut;
 147                 if( $wgOut->checkLastModified( $this->getTimestamp() ) ){
 148                         # Client cache fresh and headers sent, nothing more to do.
 149                         return;
 150                 }
 151                 $func = ( $rawhtml ? "addHTML" : "addWikiText" );
 152                 $wgOut->$func(
 153                         "<p>" . wfMsg( "perfdisabled" ) . "</p>\n\n" .
 154                         "<p>" . wfMsg( "perfdisabledsub", $wgLang->timeanddate( $this->getTimestamp() ) ) . "</p>\n\n" .
 155                         "<hr />\n\n" .
 156                         $this->getContent()
 157                         );
 158                 return;
 159
 160         }
 161 }
 162
 163 ?>