KLEEJA UPDATER

an example to update kleeja direcly to the last approved version in github

includes/adm/update_kleeja.php

@@ -0,0 +1,139 @@
+<?php
+/**
+*
+* @package adm
+* @copyright (c) 2007 Kleeja.com
+* @license ./docs/license.txt
+*
+*/
+
+// not for directly open
+if (!defined('IN_ADMIN'))
+{
+	exit();
+}
+
+
+$new_version = unserialize( $config['new_version'] )['version_number'];
+
+
+// he can reinstall kleeja if he want by $_GET['install_again'] => for developers only
+if (!ig('install_again')) 
+{
+    // not reinstall , he want to update , => check if kleeja need or not
+    if ( ! version_compare(strtolower(KLEEJA_VERSION), strtolower($new_version), '<') ) 
+    {
+        // kleeja doesn't need to update
+        kleeja_admin_info('there is no update for your version' ,  ADMIN_PATH );
+        exit;
+    }
+} // $_GET['install_again'] is set => reinstall kleeja => check if he is a developer
+else 
+{
+    //  please no .
+    if ( ! defined('DEV_STAGE') ) 
+    {
+        kleeja_admin_err(":( NOOO!!");
+        exit;
+    }
+}
+
+/**
+ * we will download the last version from github and extract it in cache folder
+ * then scan the new version files , and put it to the PATH 
+ * we don't need to create the folders again in PATH
+ * and if we have to update the DB or removing some old files ,
+ * we can check if there any update file of this version from the new install folder
+ * EX : if file exists PATH . 'install/update/$old_version_$new_version.php': require_once the file
+ */
+
+$kj_new_pack_link = 'https://github.com/kleeja-official/kleeja/archive/';
+
+$old_version = KLEEJA_VERSION;
+$new_version = unserialize( $config['new_version'] )['version_number'];
+
+$down_new_pack = fetch_remote_file($kj_new_pack_link . $new_version . '.zip', PATH . 'cache/kleeja.zip', 60, false, 10, true);
+
+if ($down_new_pack) // we connected to github & downloaded the last version to cache folder
+{
+    // let's extract the zip to cache
+    $zip = new ZipArchive;
+
+    if ($zip->open( PATH . 'cache/kleeja.zip' ) == TRUE) 
+    {
+        $zip->extractTo( PATH . 'cache/' );
+        $zip->close();
+    }
+        
+        // some folder don't need it
+        $no_need = array(
+        'cache', // delete_cache() function
+        'plugins', // kleeja now support plugins update
+        'uploads',
+        'styles', // kleeja will support style_update soon
+        'install' // befor removing install folder , we will take what we want from it
+    );
+
+    // let's check if there any update files in install folder
+    $update_file = PATH . "cache/kleeja-{$new_version}/install/includes/update_files/{$old_version}_to_{$new_version}.php";
+    if (file_exists($update_file)) 
+    {
+        // move the update file from install folder to cache folder to include it later and delete install folder
+        // becuse if install folder is exists , it can make some problems if dev mode is not active
+        rename($update_file , PATH . "cache/update_{$old_version}_to_{$new_version}.php");
+    }
+        
+    foreach ($no_need as $folderName) 
+    {
+        delete_plugin_folder( PATH . "cache/kleeja-{$new_version}/{$folderName}" );
+    }
+
+    // delete plugin folder function with some changes :)
+    $it = new RecursiveDirectoryIterator(PATH . "cache/kleeja-{$new_version}/", RecursiveDirectoryIterator::SKIP_DOTS);
+    $files = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);
+
+    foreach ($files as $file) 
+    {
+        if ($file->isLink()) 
+        { 
+            file_put_contents( 
+                str_replace("cache/kleeja-{$new_version}/", '' , $file->getPathname()) ,
+                file_get_contents( $file->getPathname() )
+             );
+            unlink($file->getPathname());
+        } 
+        else if ($file->isDir()) 
+        { 
+            // here is folder , when we finish update , we will delete all folders and files
+            continue;
+        }
+        else 
+        {
+            file_put_contents( 
+                str_replace("cache/kleeja-{$new_version}/", '' , $file->getPathname()) ,
+                file_get_contents( $file->getPathname() )
+             );
+            unlink($file->getPathname());
+        }
+    }
+
+    if (file_exists( $updateFiles = PATH . "cache/update_{$old_version}_to_{$new_version}.php")) 
+    {
+        require_once $updateFiles; // we will include what we want to do in this file , and kleeja will done
+    }
+
+    // after we made success update , let's delete files and folders incache
+
+    // kleeja new version files
+    delete_plugin_folder(PATH . "cache/kleeja-{$new_version}");
+
+    // delete old cache files
+    delete_cache('' , true);
+
+    /**
+     * DDISPLAY SUCCESS MSG HERE , AND ALSO WE CAN INCLUDE SUCCESS MSG ON UPDATE FILE
+     * OR WE CAN INCLUDE UPDATE FILES IN GITHUB , AND DOWNLOAD IT IN CACHE FOLDER WHEN IT REQUEST 
+     * AND DELETE AFTER WE FINISH ;
+     */
+
+}