Improve invitation handling: only search writeable calendars for already saved events; fix RSVP button display

plugins/calendar/calendar.php

@@ -602,7 +602,7 @@ class calendar extends rcube_plugin
         
         // search for event if only UID is given
         if (!isset($event['calendar']) && $event['uid']) {
-          if (!($event = $this->driver->get_event($event))) {
+          if (!($event = $this->driver->get_event($event, true))) {
             break;
           }
           $undo_time = 0;
@@ -665,7 +665,7 @@ class calendar extends rcube_plugin
         $status = $event['fallback'];
         $html = html::div('rsvp-status', $status != 'CANCELLED' ? $this->gettext('acceptinvitation') : '');
         $this->load_driver();
-        if ($existing = $this->driver->get_event($event)) {
+        if ($existing = $this->driver->get_event($event, true)) {
           $emails = $this->get_user_emails();
           foreach ($existing['attendees'] as $i => $attendee) {
             if ($attendee['email'] && in_array($attendee['email'], $emails)) {
@@ -674,7 +674,7 @@ class calendar extends rcube_plugin
             }
           }
         }
-        else if ($status != 'NEEDS-ACTION')
+        if ($status == 'unknown')
           $action = 'import';
         
         if (in_array($status, array('ACCEPTED','TENTATIVE','DECLINED'))) {
@@ -1094,9 +1094,13 @@ class calendar extends rcube_plugin
    */
   public function generate_randomdata()
   {
-    $cats = array_keys($this->driver->list_categories());
-    $cals = $this->driver->list_calendars();
     $num = $_REQUEST['_num'] ? intval($_REQUEST['_num']) : 100;
+    $cats = array_keys($this->driver->list_categories());
+    $cals = array();
+    foreach ($this->driver->list_calendars() as $cid => $cal) {
+      if ($cal['active'])
+        $cals[$cid] = $cal;
+    }
     
     while ($count++ < $num) {
       $start = round((time() + rand(-2600, 2600) * 1000) / 300) * 300;
@@ -1705,13 +1709,21 @@ class calendar extends rcube_plugin
   public function mail_message_load($p)
   {
     $this->message = $p['object'];
+    $itip_part = null;
 
     // check all message parts for .ics files
     foreach ((array)$this->message->mime_parts as $idx => $part) {
       if ($this->is_vcalendar($part)) {
-        $this->ics_parts[] = $part->mime_id;
+        if ($part->ctype_parameters['method'])
+          $itip_part = $part->mime_id;
+        else
+          $this->ics_parts[] = $part->mime_id;
       }
     }
+    
+    // priorize part with method parameter
+    if ($itip_part)
+      $this->ics_parts = array($itip_part);
   }
 
   /**
@@ -1898,7 +1910,7 @@ class calendar extends rcube_plugin
         $event['calendar'] = $calendar['id'];
         
         // check for existing event with the same UID
-        $existing = $this->driver->get_event($event);
+        $existing = $this->driver->get_event($event['uid'], true);
         
         if ($existing) {
           // only update attendee status

plugins/calendar/drivers/calendar_driver.php

@@ -202,10 +202,11 @@ abstract class calendar_driver
    *
    * @param mixed  UID string or hash array with event properties:
    *        id: Event identifier
-   *  calendar: Calendar identifier
+   *  calendar: Calendar identifier (optional)
+   * @param boolean If true, only writeable calendars shall be searched
    * @return array Event object as hash array
    */
-  abstract function get_event($event);
+  abstract function get_event($event, $writeable = null);
 
   /**
    * Get events from source.

plugins/calendar/drivers/database/database_driver.php

@@ -637,9 +637,10 @@ class database_driver extends calendar_driver
   /**
    * Return data of a specific event
    * @param mixed  Hash array with event properties or event UID
+   * @param boolean Only search in writeable calendars (currently ignored)
    * @return array Hash array with event properties
    */
-  public function get_event($event)
+  public function get_event($event, $writeable = null)
   {
     $id = is_array($event) ? ($event['id'] ? $event['id'] : $event['uid']) : $event;
     $col = $event['id'] && is_numeric($event['id']) ? 'event_id' : 'uid';

plugins/calendar/drivers/kolab/kolab_driver.php

@@ -360,15 +360,24 @@ class kolab_driver extends calendar_driver
    * @see calendar_driver::get_event()
    * @return array Hash array with event properties, false if not found
    */
-  public function get_event($event)
+  public function get_event($event, $writeable = null)
   {
-    $id = $event['id'] ? $event['id'] : $event['uid'];
-    if ($event['calendar'] && ($storage = $this->calendars[$event['calendar']])) {
+    if (is_array($event)) {
+      $id = $event['id'] ? $event['id'] : $event['uid'];
+      $cal = $event['calendar'];
+    }
+    else {
+      $id = $event;
+    }
+    
+    if ($cal && ($storage = $this->calendars[$cal])) {
       return $storage->get_event($id);
     }
     // iterate over all calendar folders and search for the event ID
-    else if (!$event['calendar']) {
+    else if (!$cal) {
       foreach ($this->calendars as $storage) {
+        if ($writeable && !rcube_kolab::is_subscribed($storage->get_realname()))
+          continue;
         if ($result = $storage->get_event($id)) {
           return $result;
         }