Send CANCEL iTip message to declined attendees (with optional comment)

plugins/calendar/calendar.php

@@ -144,6 +144,7 @@ class calendar extends rcube_plugin
       $this->register_action('check-recent', array($this, 'check_recent'));
       $this->register_action('itip-status', array($this, 'event_itip_status'));
       $this->register_action('itip-remove', array($this, 'event_itip_remove'));
+      $this->register_action('itip-decline-reply', array($this, 'mail_itip_decline_reply'));
       $this->register_action('resources-list', array($this, 'resources_list'));
       $this->register_action('resources-owner', array($this, 'resources_owner'));
       $this->register_action('resources-calendar', array($this, 'resources_calendar'));
@@ -2222,18 +2223,10 @@ class calendar extends rcube_plugin
   }
 
 
-  /**
-   * Handler for POST request to import an event attached to a mail message
-   */
-  public function mail_import_event()
+  private function mail_get_itip_event($mbox, $uid, $mime_id)
   {
-    $uid = get_input_value('_uid', RCUBE_INPUT_POST);
-    $mbox = get_input_value('_mbox', RCUBE_INPUT_POST);
-    $mime_id = get_input_value('_part', RCUBE_INPUT_POST);
-    $status = get_input_value('_status', RCUBE_INPUT_POST);
-    $delete = intval(get_input_value('_del', RCUBE_INPUT_POST));
     $charset = RCMAIL_CHARSET;
-    
+
     // establish imap connection
     $imap = $this->rc->get_storage();
     $imap->set_mailbox($mbox);
@@ -2253,6 +2246,26 @@ class calendar extends rcube_plugin
 
     // successfully parsed events?
     if (!empty($events) && ($event = $events[$index])) {
+      return $event;
+    }
+  }
+
+  /**
+   * Handler for POST request to import an event attached to a mail message
+   */
+  public function mail_import_event()
+  {
+    $uid = get_input_value('_uid', RCUBE_INPUT_POST);
+    $mbox = get_input_value('_mbox', RCUBE_INPUT_POST);
+    $mime_id = get_input_value('_part', RCUBE_INPUT_POST);
+    $status = get_input_value('_status', RCUBE_INPUT_POST);
+    $delete = intval(get_input_value('_del', RCUBE_INPUT_POST));
+
+    $error_msg = $this->gettext('errorimportingevent');
+    $success = false;
+
+    // successfully parsed events?
+    if ($event = $this->mail_get_itip_event($mbox, $uid, $mime_id)) {
       // find writeable calendar to store event
       $cal_id = !empty($_REQUEST['_folder']) ? get_input_value('_folder', RCUBE_INPUT_POST) : null;
       $calendars = $this->driver->list_calendars(false, true);
@@ -2402,6 +2415,37 @@ class calendar extends rcube_plugin
   }
 
 
+  /**
+   * Handler for calendar/itip-remove requests
+   */
+  function mail_itip_decline_reply()
+  {
+    $uid = get_input_value('_uid', RCUBE_INPUT_POST);
+    $mbox = get_input_value('_mbox', RCUBE_INPUT_POST);
+    $mime_id = get_input_value('_part', RCUBE_INPUT_POST);
+
+    if (($event = $this->mail_get_itip_event($mbox, $uid, $mime_id)) && $this->ical->method == 'REPLY') {
+      $event['comment'] = get_input_value('_comment', RCUBE_INPUT_POST);
+
+      foreach ($event['attendees'] as $_attendee) {
+        if ($_attendee['role'] != 'ORGANIZER') {
+          $attendee = $_attendee;
+          break;
+        }
+      }
+
+      $itip = $this->load_itip();
+      if ($itip->send_itip_message($event, 'CANCEL', $attendee, 'itipsubjectcancel', 'itipmailbodycancel'))
+        $this->rc->output->command('display_message', $this->gettext(array('name' => 'sentresponseto', 'vars' => array('mailto' => $attendee['name'] ? $attendee['name'] : $attendee['email']))), 'confirmation');
+      else
+        $this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
+    }
+    else {
+      $this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
+    }
+  }
+
+
   /**
    * Read email message and return contents for a new event based on that message
    */

plugins/calendar/localization/en_US.inc

@@ -149,6 +149,8 @@ $labels['itipobjectnotfound'] = 'The event referred by this message was not foun
 $labels['itipmailbodyaccepted'] = "\$sender has accepted the invitation to the following event:\n\n*\$title*\n\nWhen: \$date\n\nInvitees: \$attendees";
 $labels['itipmailbodytentative'] = "\$sender has tentatively accepted the invitation to the following event:\n\n*\$title*\n\nWhen: \$date\n\nInvitees: \$attendees";
 $labels['itipmailbodydeclined'] = "\$sender has declined the invitation to the following event:\n\n*\$title*\n\nWhen: \$date\n\nInvitees: \$attendees";
+$labels['itipmailbodycancel'] = "\$sender has rejected your participation in the following event:\n\n*\$title*\n\nWhen: \$date\n\n\$comment";
+
 $labels['itipdeclineevent'] = 'Do you want to decline your invitation to this event?';
 $labels['declinedeleteconfirm'] = 'Do you also want to delete this declined event from your calendar?';
 

plugins/libcalendaring/lib/libcalendaring_itip.php

@@ -115,6 +115,7 @@ class libcalendaring_itip
                 'attendees' => join(', ', $attendees_list),
                 'sender' => $this->sender['name'],
                 'organizer' => $this->sender['name'],
+                'comment' => $event['comment'],
             )
         ));
 
@@ -465,9 +466,9 @@ class libcalendaring_itip
         $this->rc->output->add_script("rcube_libcalendaring.fetch_itip_object_status(" . json_serialize($metadata) . ")", 'docready');
 
         // get localized texts from the right domain
-        $this->rc->output->command('add_label', 'itip.savingdata', $this->gettext('savingdata'));
-        $this->rc->output->command('add_label', 'itip.declinedeleteconfirm', $this->gettext('declinedeleteconfirm'));
-        $this->rc->output->command('add_label', 'itip.declinedeleteconfirm', $this->gettext('declinedeleteconfirm'));
+        foreach (array('savingdata','deleteobjectconfirm','declinedeleteconfirm','declineattendee','declineattendeeconfirm','cancel') as $label) {
+          $this->rc->output->command('add_label', "itip.$label", $this->gettext($label));
+        }
 
         // show event details with buttons
         return $this->itip_object_details_table($event, $title) .

plugins/libcalendaring/libcalendaring.js

@@ -449,12 +449,12 @@ rcube_libcalendaring.add_from_itip_mail = function(mime_id, task, status)
     }
 
     rcmail.http_post(task + '/mailimportitip', {
-        '_uid': rcmail.env.uid,
-        '_mbox': rcmail.env.mailbox,
-        '_part': mime_id,
-        '_folder': $('#itip-saveto').val(),
-        '_status': status,
-        '_del': del?1:0
+        _uid: rcmail.env.uid,
+        _mbox: rcmail.env.mailbox,
+        _part: mime_id,
+        _folder: $('#itip-saveto').val(),
+        _status: status,
+        _del: del?1:0
       }, rcmail.set_busy(true, 'itip.savingdata'));
 
     return false;
@@ -465,21 +465,53 @@ rcube_libcalendaring.add_from_itip_mail = function(mime_id, task, status)
  */
 rcube_libcalendaring.remove_from_itip = function(uid, task, title)
 {
-  if (confirm(rcmail.gettext('itip.deleteobjectconfirm').replace('$title', title))) {
-    rcmail.http_post(task + '/itip-remove',
-      { uid: uid },
-      rcmail.set_busy(true, 'itip.savingdata'));
-  }
+    if (confirm(rcmail.gettext('itip.deleteobjectconfirm').replace('$title', title))) {
+        rcmail.http_post(task + '/itip-remove',
+            { uid: uid },
+            rcmail.set_busy(true, 'itip.savingdata')
+        );
+    }
 };
 
 /**
  *
  */
-rcube_libcalendaring.decline_attendee_reply = function(mime_id)
+rcube_libcalendaring.decline_attendee_reply = function(mime_id, task)
 {
-  // TODO: show dialog for entering a comment and send to server
+    // show dialog for entering a comment and send to server
+    var html = '<div class="itip-dialog-confirm-text">' + rcmail.gettext('itip.declineattendeeconfirm') + '</div>' +
+        '<textarea id="itip-decline-comment" class="itip-comment" cols="40" rows="8"></textarea>';
 
-  return false;
+    var dialog, buttons = [];
+    buttons.push({
+        text: rcmail.gettext('declineattendee', 'itip'),
+        click: function() {
+            rcmail.http_post(task + '/itip-decline-reply', {
+                _uid: rcmail.env.uid,
+                _mbox: rcmail.env.mailbox,
+                _part: mime_id,
+                _comment: $('#itip-decline-comment', window.parent.document).val()
+            }, rcmail.set_busy(true, 'itip.savingdata'));
+          dialog.dialog("close");
+        }
+    });
+
+    buttons.push({
+        text: rcmail.gettext('cancel', 'itip'),
+        click: function() {
+          dialog.dialog('close');
+        }
+    });
+
+    dialog = rcmail.show_popup_dialog(html, rcmail.gettext('declineattendee', 'itip'), buttons, {
+        width: 460,
+        open: function() {
+            $(this).parent().find('.ui-button').first().addClass('mainaction');
+            $('#itip-decline-comment').focus();
+        }
+    });
+
+    return false;
 };
 
 /**

plugins/libcalendaring/localization/en_US.inc

@@ -41,12 +41,15 @@ $labels['itipobjectnotfound'] = 'The object referred by this message was not fou
 $labels['itipsubjectaccepted'] = '"$title" has been accepted by $name';
 $labels['itipsubjecttentative'] = '"$title" has been tentatively accepted by $name';
 $labels['itipsubjectdeclined'] = '"$title" has been declined by $name';
+$labels['itipsubjectcancel'] = 'Your participation in "$title" has been cancelled';
 
 $labels['itipnewattendee'] = 'This is a reply from a new participant';
 $labels['updateattendeestatus'] = 'Update the participant\'s status';
 $labels['acceptinvitation'] = 'Do you accept this invitation?';
-$labels['acceptattendee'] = 'Accept attendee';
-$labels['declineattendee'] = 'Decline attendee';
+$labels['acceptattendee'] = 'Accept participant';
+$labels['declineattendee'] = 'Decline participant';
+$labels['declineattendeeconfirm'] = 'Enter a message to the declined participant (optional):';
+
 $labels['youhaveaccepted'] = 'You have accepted this invitation';
 $labels['youhavetentative'] = 'You have tentatively accepted this invitation';
 $labels['youhavedeclined'] = 'You have declined this invitation';

plugins/libcalendaring/skins/larry/libcal.css

@@ -52,3 +52,11 @@ span.edit-alarm-set {
 	width: 20px;
 	height: 16px;
 }
+
+.itip-dialog-confirm-text {
+	margin-bottom: 1em;
+}
+
+.popup textarea.itip-comment {
+	width: 98%;
+}