includes/rcfeed/JSONRCFeedFormatter.php

   1 <?php
   2 class JSONRCFeedFormatter implements RCFeedFormatter {
   3         /**
   4          * Generates a notification that can be easily interpreted by a machine.
   5          * @see RCFeedFormatter::getLine
   6          */
   7         public function getLine( array $feed, RecentChange $rc, $actionComment ) {
   8                 global $wgCanonicalServer, $wgScriptPath, $wgArticlePath, $wgDBname;
   9                 $attrib = $rc->getAttributes();
  10
  11                 $packet = array(
  12                         // Usually, RC ID is exposed only for patrolling purposes,
  13                         // but there is no real reason not to expose it in other cases,
  14                         // and I can see how this may be potentially useful for clients.
  15                         'id' => $attrib['rc_id'],
  16                         'type' => $attrib['rc_type'],
  17                         'namespace' => $rc->getTitle()->getNamespace(),
  18                         'title' => $rc->getTitle()->getPrefixedText(),
  19                         'comment' => $attrib['rc_comment'],
  20                         'timestamp' => (int)wfTimestamp( TS_UNIX, $attrib['rc_timestamp'] ),
  21                         'user' => $attrib['rc_user_text'],
  22                         'bot' => (bool)$attrib['rc_bot'],
  23                 );
  24
  25                 if ( isset( $feed['channel'] ) ) {
  26                         $packet['channel'] = $feed['channel'];
  27                 }
  28
  29                 $type = $attrib['rc_type'];
  30                 if ( $type == RC_EDIT || $type == RC_NEW ) {
  31                         global $wgUseRCPatrol, $wgUseNPPatrol;
  32
  33                         $packet['minor'] = $attrib['rc_minor'];
  34                         if ( $wgUseRCPatrol || ( $type == RC_NEW && $wgUseNPPatrol ) ) {
  35                                 $packet['patrolled'] = $attrib['rc_patrolled'];
  36                         }
  37                 }
  38
  39                 switch ( $type ) {
  40                         case RC_EDIT:
  41                                 $packet['length'] = array( 'old' => $attrib['rc_old_len'], 'new' => $attrib['rc_new_len'] );
  42                                 $packet['revision'] = array( 'old' => $attrib['rc_last_oldid'], 'new' => $attrib['rc_this_oldid'] );
  43                                 break;
  44
  45                         case RC_NEW:
  46                                 $packet['length'] = array( 'old' => NULL, 'new' => $attrib['rc_new_len'] );
  47                                 $packet['revision'] = array( 'old' => NULL, 'new' => $attrib['rc_this_oldid'] );
  48                                 break;
  49
  50                         case RC_LOG:
  51                                 $packet['log_type'] = $attrib['rc_log_type'];
  52                                 $packet['log_action'] = $attrib['rc_log_action'];
  53                                 if ( $attrib['rc_params'] ) {
  54                                         wfSuppressWarnings();
  55                                         $params = unserialize( $attrib['rc_params'] );
  56                                         wfRestoreWarnings();
  57                                         if (
  58                                                 // If it's an actual serialised false...
  59                                                 $attrib['rc_params'] == serialize( false ) ||
  60                                                 // Or if we did not get false back when trying to unserialise
  61                                                 $params !== false
  62                                         ) {
  63                                                 // From ApiQueryLogEvents::addLogParams
  64                                                 $logParams = array();
  65                                                 // Keys like "4::paramname" can't be used for output so we change them to "paramname"
  66                                                 foreach ( $params as $key => $value ) {
  67                                                         if ( strpos( $key, ':' ) === false ) {
  68                                                                 $logParams[$key] = $value;
  69                                                                 continue;
  70                                                         }
  71                                                         $logParam = explode( ':', $key, 3 );
  72                                                         $logParams[$logParam[2]] = $value;
  73                                                 }
  74                                                 $packet['log_params'] = $logParams;
  75                                         } else {
  76                                                 $packet['log_params'] = explode( "\n", $attrib['rc_params'] );
  77                                         }
  78                                 }
  79                                 $packet['log_action_comment'] = $actionComment;
  80                                 break;
  81                 }
  82
  83                 $packet['server_url'] = $wgCanonicalServer;
  84                 $packet['server_script_path'] = $wgScriptPath ?: '/';
  85                 $packet['wiki'] = $wgDBname;
  86
  87                 return FormatJson::encode( $packet );
  88         }
  89 }