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   1  <?php
   2  
   3  namespace dokuwiki\Subscriptions;
   4  
   5  use Diff;
   6  use InlineDiffFormatter;
   7  use UnifiedDiffFormatter;
   8  
   9  class PageSubscriptionSender extends SubscriptionSender
  10  {
  11      /**
  12       * Send the diff for some page change
  13       *
  14       * @param string   $subscriber_mail The target mail address
  15       * @param string   $template        Mail template ('subscr_digest', 'subscr_single', 'mailtext', ...)
  16       * @param string   $id              Page for which the notification is
  17       * @param int|null $rev             Old revision if any
  18       * @param string   $summary         Change summary if any
  19       * @param int|null $current_rev     New revision if any
  20       *
  21       * @return bool                     true if successfully sent
  22       */
  23      public function sendPageDiff($subscriber_mail, $template, $id, $rev = null, $summary = '', $current_rev = null)
  24      {
  25          global $DIFF_INLINESTYLES;
  26  
  27          // prepare replacements (keys not set in hrep will be taken from trep)
  28          $trep = [
  29              'PAGE' => $id,
  30              'NEWPAGE' => wl($id, $current_rev ? ('rev=' . $current_rev) : '', true, '&'),
  31              'SUMMARY' => $summary,
  32              'SUBSCRIBE' => wl($id, ['do' => 'subscribe'], true, '&'),
  33          ];
  34          $hrep = [];
  35  
  36          if ($rev) {
  37              $subject = 'changed';
  38              $trep['OLDPAGE'] = wl($id, "rev=$rev", true, '&');
  39  
  40              $old_content = rawWiki($id, $rev);
  41              $new_content = rawWiki($id);
  42  
  43              $df = new Diff(
  44                  explode("\n", $old_content),
  45                  explode("\n", $new_content)
  46              );
  47              $dformat = new UnifiedDiffFormatter();
  48              $tdiff = $dformat->format($df);
  49  
  50              $DIFF_INLINESTYLES = true;
  51              $df = new Diff(
  52                  explode("\n", $old_content),
  53                  explode("\n", $new_content)
  54              );
  55              $dformat = new InlineDiffFormatter();
  56              $hdiff = $dformat->format($df);
  57              $hdiff = '<table>' . $hdiff . '</table>';
  58              $DIFF_INLINESTYLES = false;
  59          } else {
  60              $subject = 'newpage';
  61              $trep['OLDPAGE'] = '---';
  62              $tdiff = rawWiki($id);
  63              $hdiff = nl2br(hsc($tdiff));
  64          }
  65  
  66          $trep['DIFF'] = $tdiff;
  67          $hrep['DIFF'] = $hdiff;
  68  
  69          $headers = ['Message-Id' => $this->getMessageID($id)];
  70          if ($rev) {
  71              $headers['In-Reply-To'] = $this->getMessageID($id, $rev);
  72          }
  73  
  74          return $this->send(
  75              $subscriber_mail,
  76              $subject,
  77              $id,
  78              $template,
  79              $trep,
  80              $hrep,
  81              $headers
  82          );
  83      }
  84  }