From d51ed17fab3daf6f9a18c0d720171eb9dd0af4b8 Mon Sep 17 00:00:00 2001
From: mgalgoci <mgalgoci@alumni.egroupware.org>
Date: Thu, 19 Aug 2004 15:38:01 +0000
Subject: [PATCH] account for imported events that end up having no
 participants.

---
 calendar/inc/class.bocalendar.inc.php | 22 ++++++++++++++--------
 calendar/inc/class.uicalendar.inc.php | 11 +++++++----
 2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/calendar/inc/class.bocalendar.inc.php b/calendar/inc/class.bocalendar.inc.php
index 0438c3dfe1..931ca64abe 100755
--- a/calendar/inc/class.bocalendar.inc.php
+++ b/calendar/inc/class.bocalendar.inc.php
@@ -1524,12 +1524,15 @@
 			{
 				// Check if the $user is one of the participants or has a read-grant from one of them
 				//
-				foreach($event['participants'] as $uid => $accept)
+				if (isset($event['participants']) && is_array($event['participants']))
 				{
-					if ($this->grants[$uid] & PHPGW_ACL_READ || $uid == $user)
+					foreach($event['participants'] as $uid => $accept)
 					{
-						$grants |= PHPGW_ACL_READ;
-						break;
+						if ($this->grants[$uid] & PHPGW_ACL_READ || $uid == $user)
+							{
+							$grants |= PHPGW_ACL_READ;
+							break;
+						}
 					}
 				}
 			}
@@ -3137,12 +3140,15 @@
 				);
 			}
 
-			$participants = array();
-			foreach($event['participants'] as $user => $short_status)
+			if (isset($event['participants']) && is_array($event['participants']))
 			{
-				if($GLOBALS['phpgw']->accounts->exists($user))
+				$participants = array();
+				foreach($event['participants'] as $user => $short_status)
 				{
-					$participants[$user] = $GLOBALS['phpgw']->common->grab_owner_name($user).' ('.$this->get_long_status($short_status).')';
+					if($GLOBALS['phpgw']->accounts->exists($user))
+					{
+						$participants[$user] = $GLOBALS['phpgw']->common->grab_owner_name($user).' ('.$this->get_long_status($short_status).')';
+					}
 				}
 			}
 			$var['participants'] = Array(
diff --git a/calendar/inc/class.uicalendar.inc.php b/calendar/inc/class.uicalendar.inc.php
index ec3800824f..cbf0b04dcb 100755
--- a/calendar/inc/class.uicalendar.inc.php
+++ b/calendar/inc/class.uicalendar.inc.php
@@ -3487,14 +3487,17 @@ return;
 
 			$vars['title']['tr_color'] = $this->theme['th_bg'];
 
-			foreach($vars['participants']['data'] as $user => $str)
+			if (isset($vars['participants']['data']) && is_array($vars['participants']['data']))
 			{
-				if ($this->bo->check_perms(PHPGW_ACL_EDIT,0,$user) && ereg('^(.*) \((.*)\)$',$str,$parts))
+				foreach($vars['participants']['data'] as $user => $str)
 				{
-					$vars['participants']['data'][$user] = $parts[1].' (<a href="'.$this->page('edit_status','&cal_id='.$event['id'].'&owner='.$user).'">'.$parts[2].'</a>)';
+					if ($this->bo->check_perms(PHPGW_ACL_EDIT,0,$user) && ereg('^(.*) \((.*)\)$',$str,$parts))
+					{
+						$vars['participants']['data'][$user] = $parts[1].' (<a href="'.$this->page('edit_status','&cal_id='.$event['id'].'&owner='.$user).'">'.$parts[2].'</a>)';
+					}
 				}
+				$vars['participants']['data'] = implode("<br>\n",$vars['participants']['data']);
 			}
-			$vars['participants']['data'] = implode("<br>\n",$vars['participants']['data']);
 
 			foreach($vars as $var)
 			{