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<?php
defined('_VALID') or die('Restricted Access!');
class VComponent_mobile_user_avatar extends VComponent_mobile_user
{
    public function __construct()
    {
        parent::__construct();
    }
    
    public function render()
    {
        VAuth::check('Registered', MOBILE_URL.'/user/login/');
        
        $errors        = array();
        $messages    = array();
        $step        = 'upload';
        if (isset($_POST['submit-avatar'])) {
            $filter    = VF::factory('filter');
            $unique    = $filter->get('unique');
            $mime    = $filter->get('mime');
            
            if ($unique == '') {
                $errors[]    = 'Unique upload identifier not set!';
            } elseif (!ctype_digit($unique)) {
                $errors[]    = 'Invalid unique upload identifier!';
            }
            
            if (!$ext = $this->mime_to_ext($mime)) {
                $errors[]    = 'Invalid image format!';
            }
        
            if (!$errors) {
                $file    = TMP_DIR.'/uploads/'.$unique.'.'.$ext;
                if (file_exists($file) && is_file($file)) {
                    $size        = filesize($file);
                    $image        = VF::factory('image');
                    if (!$image->load($file)) {
                        $errors[]    = 'Invalid image file!';
                    }
                } else {
                    $errors[]    = 'Failed to find file!';
                }
            }
            
            if (!$errors) {
                $dst_tmp    = BASE_DIR.'/mobile/tmp/'.$unique.'.tmp.'.$ext;
                $width        = $image->src['width'];
                $height        = $image->src['height'];
                $awidth        = VF::cfg_item('module.user.avatar_width');
                $aheight    = VF::cfg_item('module.user.avatar_height');
                if ($width > 300) {
                      if (!$image->resize(300, 0, 'TO_WIDTH', $dst_tmp)) {
                          $errors[] = $image->get_error();
                    }
                } else {
                    copy($file, $dst_tmp);
                }
                
                $step    = 'crop';
                
                $this->tpl->url        = MOBILE_URL.'/tmp/'.$unique.'.tmp.'.$ext;
                $this->tpl->width    = $awidth;
                $this->tpl->height    = $aheight;
            }
        }
        
        if (isset($_POST['submit-crop'])) {
            $user_id    = $_SESSION['user_id'];
            $img        = trim($_POST['crop']);
            $dst        = MEDIA_DIR.'/users/'.$user_id.'.png';
            
            $fp            = fopen($dst, "wb");
            $data        = explode(',', $img);
            fwrite($fp, base64_decode($data['1']));
            fclose($fp);
            
            $_SESSION['avatar'] = 'png';
            
            $this->db->query("UPDATE #__user SET avatar = 'png' WHERE user_id = ".$user_id." LIMIT 1");
            
            $step        = 'upload';
            $messages[]    = 'Avatar added!';
        }
        
        $this->tpl->menu        = 'community';
        $this->tpl->submenu        = 'avatar';
        $this->tpl->meta_title    = __('avatar');
        $this->tpl->messages    = $messages;
        $this->tpl->errors        = $errors;
        $this->tpl->unique        = mt_rand().time();
        $this->tpl->step        = $step;
        $this->tpl->load(array('header', 'user_avatar', 'footer'));
        $this->tpl->display();
    }

    private function mime_to_ext($mime)
    {
        $mimes    = array(
            'image/gif' => 'gif',
            'image/jpeg' => 'jpg',
            'image/png' => 'png'
        );
    
        return (isset($mimes[$mime])) ? $mimes[$mime] : false;
    }
}