From 0b472d97f334babed107e435362211b92f0da6b2 Mon Sep 17 00:00:00 2001
From: hickert <hickert@594d385d-05f5-0310-b6e9-bd551577e9d8>
Date: Wed, 5 Dec 2007 11:03:30 +0000
Subject: [PATCH] Added CSN check to plugin - Makes more sense

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@8010 594d385d-05f5-0310-b6e9-bd551577e9d8
---
 include/class_plugin.inc | 36 ++++++++++++++++++++++++++++++++++++
 include/class_tabs.inc   |  1 -
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/include/class_plugin.inc b/include/class_plugin.inc
index b71e576ca..c7b2346e5 100644
--- a/include/class_plugin.inc
+++ b/include/class_plugin.inc
@@ -118,6 +118,9 @@ class plugin
   /* This can be set to render the tabulators in another stylesheet */
   var $pl_notify= FALSE;
 
+  /* Object entry CSN */
+  var $entryCSN         = "";
+  var $CSN_check_active = FALSE;
 
   /* This variable indicates that this class can handle multiple dns at once. */
   var $multiple_support = FALSE; 
@@ -151,6 +154,11 @@ class plugin
     $ldap= $this->config->get_ldap_link();
     if ($dn !== NULL){
 
+      /* Get entry CSN */
+      if($this->CSN_check_active){
+        $this->entryCSN = getEntryCSN($dn);
+      }
+
       /* Load data to 'attrs' and save 'dn' */
       if ($parent !== NULL){
         $this->attrs= $parent->attrs;
@@ -280,6 +288,11 @@ class plugin
   /* Save data to object */
   function save_object()
   {
+    /* Update entry CSN if it is empty. */
+    if(empty($this->entryCSN) && $this->CSN_check_active){
+      $this->entryCSN = getEntryCSN($this->dn);
+    }
+
     if($this->multiple_support_active){
       foreach($this->attributes as $attr){
         if(isset($_POST["use_".$attr])){
@@ -328,6 +341,9 @@ class plugin
     /* include global link_info */
     $ldap= $this->config->get_ldap_link();
 
+    /* Save all plugins */
+    $this->entryCSN = "";
+
     /* Start with empty array */
     $this->attrs= array();
 
@@ -477,6 +493,14 @@ class plugin
 
     }
 
+    /* Check entryCSN */
+    if($this->CSN_check_active){
+      $current_csn = getEntryCSN($this->dn);
+      if($current_csn != $this->entryCSN && !empty($this->entryCSN) && !empty($current_csn)){
+        $this->entryCSN = $current_csn;
+        $message[] = _("The object has changed since opened in GOsa. Please ensure that nobody has done serious changes that may get lost   if you save this entry.");
+      }
+    }
     return ($message);
   }
 
@@ -1657,6 +1681,18 @@ class plugin
     return($ret);
   }
 
+
+  /* This function enables the entry Serial ID check.
+   * If an entry was edited while we have edited the entry too,
+   *  an error message will be shown. 
+   * To configure this check correctly read the FAQ.
+   */    
+  function enable_CSN_check()
+  {
+    $this->CSN_check_active =TRUE;
+  }
+
+
   function set_multi_edit_value()
   {
 
diff --git a/include/class_tabs.inc b/include/class_tabs.inc
index c54739fb6..219c9d15c 100644
--- a/include/class_tabs.inc
+++ b/include/class_tabs.inc
@@ -284,7 +284,6 @@ class tabs
         $obj->pl_notify= FALSE;
       }
     }
-    $messages = array_unique($messages);
     return ($messages);
   }
 
-- 
2.30.2