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<?php
defined('_VALID') or die('Restricted Access!');
class VComponent_Admin_language_files_install extends VModule_Admin_language
{
    public function __construct()
    {
        parent::__construct();
    }
    
    public function render()
    {
        $filter        = VF::factory('filter');
        $errors        = array();
        $messages    = array();
        $code        = (isset($_GET['code'])) ? $filter->get('code', 'STRING', 'GET') : '';
        $file        = array(
            'code' => '', 'name' => '', 'description' => '', 'type' => 'frontend'
        );
    
        if (isset($_POST['create-package'])) {
            $code            = $filter->get('code');
            $type            = $filter->get('type');
            $name            = $filter->get('name');
            $description    = $filter->get('description');
            
            if ($code == '') {
                $errors[]        = 'Please select a language for this package!';
            } else {
                $file['code']     = $code;
            }
            
            if ($name == '') {
                $errors[]        = 'Please enter a name (SLUG) for this package!';
            } elseif (!preg_match('/^[a-z0-9-]+$/', $name)) {
                $errors[]        = 'Package name (SLUG) can contain only letters, numbers and dashes!';
            } else {
                $this->db->query("SELECT file_id
                                  FROM #__language_files
                                  WHERE code = '".$this->db->escape($code)."'
                                  AND name = '".$this->db->escape($name)."'
                                  AND type = '".$this->db->escape($type)."'
                                  LIMIT 1");
                if ($this->db->affected_rows()) {
                    $errors[] = 'Package name is already used for another package (same code and type)!';
                } else {
                    $file['name'] = $name;
                }
            }
            
            if ($description == '') {
                $errors[]        = 'Please enter a description for this package!';
            } else {
                $file['description'] = $description;
            }
            
            $file['type'] = $type;
            
            if (!$errors) {
                $this->db->query("INSERT INTO #__language_files
                                  SET code = '".$this->db->escape($code)."',
                                      type = '".$this->db->escape($type)."',
                                      name = '".$this->db->escape($name)."',
                                      description = '".$this->db->escape($description)."',
                                      file = ''");
                $messages[] = 'Language file created!';
            }
        }
    
        $tpl = VF::factory('template');
        $tpl->menu            = 'main';
        $tpl->submenu        = 'extend';
        $tpl->extramenu        = 'language_install';
        $tpl->meta_title    = 'Admin::Language::Install';
        $tpl->errors        = $errors;
        $tpl->messages        = $messages;
        $tpl->code            = $code;
        $tpl->codes            = $this->get_language_codes();
        $tpl->file            = $file;
        $tpl->load(array('header', 'language_files_install', 'footer'));
        $tpl->display();
    }
    
    private function get_language_codes()
    {
        $this->db->query("SELECT code, name FROM #__language ORDER BY name ASC");
        if ($this->db->affected_rows()) {
            return $this->db->fetch_rows();
        }
        
        throw new VException('Failed to load languages!');
    }
}