From 5359e6fb986c32f4b910ec82d8dc41d9c68f2d96 Mon Sep 17 00:00:00 2001
From: Rob Ostensen <rob@boxacle.net>
Date: Tue, 31 Jan 2012 00:19:45 -0600
Subject: [PATCH] ischedule: make invites and replies work

---
 inc/caldav-POST.php          |  2 +-
 inc/caldav-PUT-functions.php | 22 ++++++++++++++++++++++
 inc/iSchedule-POST.php       |  9 +++++----
 3 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/inc/caldav-POST.php b/inc/caldav-POST.php
index feb96c2d..301a4297 100644
--- a/inc/caldav-POST.php
+++ b/inc/caldav-POST.php
@@ -80,7 +80,7 @@ function handle_freebusy_request( $ic ) {
     if ( $qry->rows() == 0 ) {
       $remote = new iSchedule ();
       $answer = $remote->sendRequest ( $attendee->Value(), 'VFREEBUSY/REQUEST', $ical->Render() );
-      if ( $a === false ) {
+      if ( $answer === false ) {
         $reply->CalDAVElement($response, "request-status", "3.7;Invalid Calendar User" );
         $reply->CalDAVElement($response, "calendar-data" );
         continue;
diff --git a/inc/caldav-PUT-functions.php b/inc/caldav-PUT-functions.php
index 99581e17..f9be2fe7 100644
--- a/inc/caldav-PUT-functions.php
+++ b/inc/caldav-PUT-functions.php
@@ -19,6 +19,7 @@ require_once('AwlCache.php');
 require_once('vComponent.php');
 require_once('vCalendar.php');
 require_once('WritableCollection.php');
+include_once('iSchedule.php');
 
 $bad_events = null;
 
@@ -532,6 +533,27 @@ function do_scheduling_requests( vCalendar $resource, $create, $old_data = null
         }
       }
     }
+    else {
+      $remote = new iSchedule ();
+      $answer = $remote->sendRequest ( $email, 'VEVENT/REQUEST', $schedule_request->Render() );
+      if ( $answer === false ) {
+        $response = "3.7;Invalid Calendar User" ;
+      }
+      else {
+        foreach ( $answer as $a ) // should only be one element in array
+        {
+          if ( $a === false ) {
+            $response = "3.7;Invalid Calendar User" ;
+          }
+          elseif ( substr( $a, 0, 1 ) >= 1 ) {
+            $response = $a ;
+          }
+          else {
+            $response = "2.0;Success" ;
+          }
+        }
+      }
+    }
     dbg_error_log( 'PUT', 'Status for attendee <%s> set to "%s"', $attendee->Value(), $response );
     $attendee->SetParameterValue( 'SCHEDULE-STATUS', $response );
     $scheduling_actions = true;
diff --git a/inc/iSchedule-POST.php b/inc/iSchedule-POST.php
index bf70aefd..050fcf9b 100644
--- a/inc/iSchedule-POST.php
+++ b/inc/iSchedule-POST.php
@@ -138,6 +138,7 @@ function ischedule_freebusy_request( $ic, $attendees, $attendees_fail) {
 
     $vcal = new vCalendar( array('METHOD' => 'REPLY') );
     $vcal->AddComponent( $fb );
+    $vcal->AddComponent( $fb );
 
     $response = $reply->NewXMLElement( "response", false, false, 'urn:ietf:params:xml:ns:ischedule' );
     $response->NewElement( "recipient", 'mailto:'.$attendee->email, false, 'urn:ietf:params:xml:ns:ischedule' );
@@ -159,7 +160,7 @@ function ischedule_freebusy_request( $ic, $attendees, $attendees_fail) {
 
 function ischedule_request( $ic, $attendees, $attendees_fail ) {
   global $c, $session, $request;
-  $reply = new XMLDocument( array("DAV:" => "", "urn:ietf:params:xml:ns:caldav" => "C", "urn:ietf:params:xml:ns:ischedule" => "I" ) );
+  $reply = new XMLDocument( array( "urn:ietf:params:xml:ns:ischedule" => "I" ) );
   $responses = array();
   $ical = $ic->GetComponents('VEVENT');
   $ical = $ical[0];
@@ -186,15 +187,15 @@ function ischedule_request( $ic, $attendees, $attendees_fail ) {
         }
       }
     }
-    dbg_error_log( 'PUT', 'Status for attendee <%s> set to "%s"', $attendee->email, $response );
-    $XMLresponse->NewElement("recipient", $reply->href('mailto:'.$attendee->email), false, 'urn:ietf:params:xml:ns:ischedule' );
+    dbg_error_log( 'ischedule', 'Status for attendee <%s> set to "%s"', $attendee->email, $response );
+    $XMLresponse->NewElement("recipient", 'mailto:'.$attendee->email, false, 'urn:ietf:params:xml:ns:ischedule' );
     $XMLresponse->NewElement("request-status", $response, false, 'urn:ietf:params:xml:ns:ischedule' ); 
     $responses[] = $XMLresponse;
   }
 
   foreach ( $attendees_fail AS $k => $attendee ) {
     $XMLresponse = $reply->NewXMLElement("response", false, false, 'urn:ietf:params:xml:ns:ischedule');
-    $XMLresponse->NewElement("recipient", $reply->href('mailto:'.$attendee->email), false, 'urn:ietf:params:xml:ns:ischedule' );
+    $XMLresponse->NewElement("recipient", 'mailto:'.$attendee->email, false, 'urn:ietf:params:xml:ns:ischedule' );
     $XMLresponse->NewElement("request-status", '5.3;cannot schedule this user, unknown or access denied', false, 'urn:ietf:params:xml:ns:ischedule' ); 
     $responses[] = $XMLresponse;
   }