ees_login_design_management.inc

<?php
require_once SQ_INCLUDE_PATH.'/asset_management.inc';

class EES_Login_Design_Management extends Asset_Management
{


    function __construct(Package_Manager $pm)
    {
        Asset_Management::__construct($pm);

        $this->vars = Array(
                        'id_name'   => Array(
                                        'default'   => 'EES Login Design',
                                       ),
                      );

    }//end constructor


    function _upgrade($current_version)
    {
        if (!parent::_upgrade($current_version)) return FALSE;
        if (version_compare($current_version, '0.2', '<')) {
            // version 0.1 -> 0.2
            // There is some css changes to default ees login design
            // if no custom changes has ever been made, we should automatically restore it to default
            pre_echo('STARTING EES LOGIN DESIGN UPGRADE - FROM VERSION 0.1');

            $new_parse_file = SQ_SYSTEM_ROOT.'/core/assets/system/ees_login_design/design_files/index.html';
            // for all possible previous versions of parse file  (different commit person, date)
            // compare md5 sum to make sure no custom changes has been made
            $source_parse_file_md5 = Array();
            $source_parse_file_md5[] = 'a0596932a27bffbd9347d3944e9711de';
            $source_parse_file_md5[] = '5ad7fd75432a2df88880779a4b2804bd';
            $source_parse_file_md5[] = 'ffdfb655681c6c05abff6163240a46af';
            $source_parse_file_md5[] = '46c990414c686b66bc8f949d124010bf';
            $source_parse_file_md5[] = 'c00cf668108207f1a41a50ab767cb42d';
            $source_parse_file_md5[] = 'c9f3ec8e7860951262e40de8e034c57c';
            
            $new_file = file_get_contents($new_parse_file);
            $design = $GLOBALS['SQ_SYSTEM']->am->getSystemAsset('ees_login_design');
            $design_edit_fns = $design->getEditFns();
            

            // Update design parse file for ees_login_design, there is some css changes
            $parse_file = $design->data_path.'/parse.txt';
            $ext_file = file_get_contents($parse_file);
            $parse_file_md5 = md5(file_get_contents($parse_file));
            
            $can_restore = FALSE;
            foreach ($source_parse_file_md5 as $md5key) {
                if ($parse_file_md5 == $md5key) {
                $can_restore = TRUE;
                }
            }
            if (!$can_restore) {
                    echo 'Parse file of EES login design has been modified. Skipping.'."\n";
                pre_echo('EES LOGIN DESIGN UPGRADE COMPLETE - FROM VERSION 0.1');
                return TRUE;
            }
            if (!is_file($parse_file) || !is_file($new_parse_file)) {
                trigger_error ('parse file is not available');
                return FALSE;
            }
            else {      

                // update the parse file
                if(!$this->_updateFile($new_parse_file, 'parse.txt', $design->data_path, $design->data_path_suffix)) {
                    trigger_error('failed to update parse file '.$new_parse_file);
                    return FALSE;
                }

                $design_edit_fns->parseAndProcessFile($design);
                $design->generateDesignFile();

                echo 'Parse file of EES login design is successfully updated...'."\n";
            }   
    
    
            pre_echo('EES LOGIN DESIGN UPGRADE COMPLETE - FROM VERSION 0.1');

        }//end if - upgrade to version 0.2
        
        return TRUE;

    }//end _upgrade()
    
    
    function _updateFile ($new_file, $file_name, $data_path, $data_path_suffix) {
        require_once SQ_FUDGE_PATH.'/general/file_system.inc';
        $fv = $GLOBALS['SQ_SYSTEM']->getFileVersioning();

        $file_path = $data_path.'/'.$file_name;

        if (!unlink($file_path)) {
            trigger_error('failed to remove old file '.$file_name);
            return FALSE;
        }

        if (string_to_file(file_get_contents($new_file), $file_path)) {
            // add a new version to the repository
            $file_status = $fv->upToDate($file_path);
            if (FUDGE_FV_MODIFIED & $file_status) {
                if (!$fv->commit($file_path, '')) {
                    trigger_localised_error('CORE0160', E_USER_WARNING);
                }
            }
        } else {
            trigger_error('Can not overwrite old file '.$file_name);
        }

        // make sure we have the latest version of our file
        if (!$fv->checkOut($data_path_suffix.'/'.$file_name, $data_path)) {
            trigger_localised_error('CORE0032', E_USER_WARNING);
            return FALSE;
        }//end if


        return TRUE;
    }//end _updateFile


}//end class
?>