From 4253bedcf559dfb61d569ba964b6679f9df2b313 Mon Sep 17 00:00:00 2001
From: Dany De Bontridder <dany@alchimerys.be>
Date: Mon, 5 Jul 2010 18:05:41 +0000
Subject: [PATCH] Merged revisions 3431-3432 via svnmerge from
 svn+ssh://danydb@svn/svn/phpcompta/branches/rel510

........
  r3431 | danydb | 2010-07-05 19:56:48 +0200 (Mon, 05 Jul 2010) | 2 lines

  the plugin can check the version of phpcompta
........
  r3432 | danydb | 2010-07-05 19:57:34 +0200 (Mon, 05 Jul 2010) | 2 lines

  Update : check the version for plugin , new global variable $version_phpcompta
........
---
 include/class_database.php  | 19 +++++++++++++++++--
 include/class_extension.php |  8 ++++++++
 include/constant.php        |  3 +++
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/include/class_database.php b/include/class_database.php
index 5d7f8cc20..457f3c5fc 100644
--- a/include/class_database.php
+++ b/include/class_database.php
@@ -423,14 +423,29 @@ de donn&eacute;es");
       return true;
     }
     /*!\brief test if a table exist 
+     *\param $p_name table name
+     *\param  $schema name of the schema default public
      * \return true if a table exist otherwise false
      */
-    function exist_table($p_name) {
-      $r=$this->count_sql("select tablename from pg_tables where tablename=lower($1)", array($p_name));
+    function exist_table($p_name,$p_schema='public') {
+      $r=$this->count_sql("select table_name from information_schema.tables where table_schema=$1 and table_name=lower($2)", array($p_schema,$p_name));
       if ( $r==0)
 	return false;
       return true;
     }
+    /**
+     * Check if a column exists in a table
+     * @param $col : column name
+     * @param $table :table name
+     * @param $schema :schema name, default public
+     *@return true or false
+     */
+    function exist_column($col,$table,$schema) {
+      $r=$this->get_value('select count(*) from information_schema.columns where table_name=lower($1) and column_name=lower($2) and table_schema=lower($3)',
+			  array($col,$table,$schema));
+      if ( $r > 0 ) return true;
+      return false;
+    }
     /**
      *@brief check if the large object exists
      *@param $p_oid of the large object
diff --git a/include/class_extension.php b/include/class_extension.php
index 6c752a2b0..6ccf95554 100644
--- a/include/class_extension.php
+++ b/include/class_extension.php
@@ -246,6 +246,14 @@ ex_id=>''
     $a=$cn->get_array($sql,array($_SESSION['g_user']));
     return $a;
   }
+  static function check_version($i) {
+    global $version_phpcompta;
+    if ( ! isset ($version_phpcompta) || $version_phpcompta < $i ) {
+      alert('Cette extension ne fonctionne pas sur cett version de PhpCompta'.
+	    ' Veuillez mettre votre programme a jour');
+      exit();
+    }
+  }
   /*!\brief test this class
    */	
   static function test_me() {
diff --git a/include/constant.php b/include/constant.php
index 098137fea..d46a29280 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -25,6 +25,9 @@
  */
 require_once ('config.inc.php');
 require_once('constant.security.php');
+// SVNVERSION
+global $version_phpcompta;
+$version_phpcompta=3428;
 
 define ("DBVERSION",85);
 define ("DBVERSIONREPO",12);