<?php
/*********************************************************************************
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2012 SugarCRM Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by SugarCRM".
 ********************************************************************************/

require_once('modules/ModuleBuilder/MB/MBModule.php');

class MBPackage{
    var $name;
    var $is_uninstallable = true;
    var $description = '';
    var $has_images = true;
    var $modules = array();
    var $date_modified = '';
    var $author = '';
    var $key = '';
    var $readme='';
    function MBPackage($name){
        $this->name = $name;
        $this->load();
        
    }
    function loadModules($force=false){
        if(!file_exists(MB_PACKAGE_PATH . '/' . $this->name .'/modules'))return;
        $d = dir(MB_PACKAGE_PATH . '/' . $this->name .'/modules');
        while($e = $d->read()){
            if(substr($e, 0, 1) != '.' && is_dir(MB_PACKAGE_PATH . '/'. $this->name. '/modules/' . $e)){
                $this->getModule($e, $force);
            }
        }
    }
    
    /**
     * Loads the translated module titles from the selected language into.
     * Will override currently loaded string to reflect undeployed label changes.
     * $app_list_strings
     * @return 
     * @param $languge String language identifyer
     */
    function loadModuleTitles($languge = '') 
    {
        if (empty($language))
        {
            $language = $GLOBALS['current_language'];
        }
        global $app_list_strings;
        $packLangFilePath = $this->getPackageDir() . "/language/application/" . $language . ".lang.php";
        if (file_exists($packLangFilePath))
        {
            
            require($packLangFilePath);
        }
    }
    
    /**
     * @param $name
     * @param bool $force
     * @return MBModule
     */
    function getModule($name, $force=true){
        if(!$force && !empty($this->modules[$name]))
            return $this->modules[$name];

        $path = $this->getPackageDir();
        $this->modules[$name] = new MBModule($name, $path, $this->name, $this->key);

        return $this->modules[$name];
    }

    /**
     * Returns an MBModule by the given full name (package key + module name)
     * if it exists in this package
     *
     * @param string $name
     * @return MBModule
     */
    public function getModuleByFullName($name){
        foreach($this->modules as $mname => $module) {
            if ($this->key . "_" . $mname == $name)
                return $module;
        }
    }
    
    function deleteModule($name){
        $this->modules[$name]->delete();
        unset($this->modules[$name]);
    }
    
function getManifest($version_specific = false, $for_export = false){
    //If we are exporting the package, we must ensure a different install key
    $pre = $for_export ? MB_EXPORTPREPEND : "";
    $date = TimeDate::getInstance()->nowDb();
    $time = time();
    $this->description = to_html($this->description);
    $is_uninstallable = ($this->is_uninstallable ? true : false);
    if($GLOBALS['sugar_flavor'] == 'CE') {
        $flavors = array('CE','PRO','ENT');
    } else {
        $flavors = array($GLOBALS['sugar_flavor']);
    }
    $version = (!empty($version_specific))?$GLOBALS['sugar_version']:'';

    // Build an array and use var_export to build this file
    $manifest = array(
        array('acceptable_sugar_versions' => array($version)),
        array('acceptable_sugar_flavors' => $flavors),
        'readme' => $this->readme,
        'key' => $this->key,
        'author' => $this->author,
        'description' => $this->description,
        'icon' => '',
        'is_uninstallable' => $is_uninstallable,
        'name' => $pre.$this->name,
        'published_date' => $date,
        'type' => 'module',
        'version' => $time,
        'remove_tables' => 'prompt',
    );
        
              
    $header = file_get_contents('modules/ModuleBuilder/MB/header.php');
    
    return $header."\n// THIS CONTENT IS GENERATED BY MBPackage.php\n".'$manifest = '.var_export_helper($manifest).";\n\n";
/*
    return  <<<EOQ
    $header
    \$manifest = array (
         'acceptable_sugar_versions' => 
          array (
            $version
          ),
          'acceptable_sugar_flavors' =>
          array(
            $flavor
          ),
          'readme'=>'$this->readme',
          'key'=>'$this->key',
          'author' => '$this->author',
          'description' => '$this->description',
          'icon' => '',
          'is_uninstallable' => $is_uninstallable,
          'name' => '$pre$this->name',
          'published_date' => '$date',
          'type' => 'module',
          'version' => '$time',
          'remove_tables' => 'prompt',
          );
EOQ;
*/
}
    
function buildInstall($path){
    $installdefs = array ('id' => $this->name,
        'beans'=>array(),
        'layoutdefs'=>array(),
        'relationships'=>array(),
    );
    if($this->has_images){
        $installdefs['image_dir'] = '<basepath>/icons'; 
    }
    foreach(array_keys($this->modules) as $module){
        $this->modules[$module]->build($path);
        $this->modules[$module]->addInstallDefs($installdefs);
    }
    $this->path = $this->getPackageDir(); 
    if(file_exists($this->path . '/language')){
        $d= dir($this->path . '/language');
        while($e = $d->read()){
            $lang_path = $this->path .'/language/' . $e;
            if(substr($e, 0, 1) != '.' && is_dir($lang_path)){
                $f = dir($lang_path);
                while($g = $f->read()){
                    if(substr($g, 0, 1) != '.' && is_file($lang_path.'/'. $g)){
                        $lang = substr($g, 0, strpos($g, '.'));
                        $installdefs['language'][] = array(
                        'from'=> '<basepath>/SugarModules/language/'.$e . '/'. $g,
                        'to_module'=> $e,
                        'language'=> $lang  
                        );
                    }
                }
            }
        }
            
        copy_recursive( $this->path . '/language/', $path . '/language/');
        $icon_path = $path . '/../icons/default/images/';
        mkdir_recursive($icon_path);
        copy_recursive($this->path . '/icons/', $icon_path);
    }
    return "\n".'$installdefs = ' . var_export_helper($installdefs). ';';

}
    
    function getPackageDir(){
        return MB_PACKAGE_PATH . '/' . $this->name;
    }
    
    function getBuildDir(){
        return MB_PACKAGE_BUILD . DIRECTORY_SEPARATOR . $this->name;
    }
    
    function getZipDir(){
        return $this->getPackageDir() . '/zips';
    }
    
    
    function load(){
        $path = $this->getPackageDir();
        if(file_exists($path .'/manifest.php')){
            require($path . '/manifest.php');
            if(!empty($manifest)){
                $this->date_modified = $manifest['published_date'];
                $this->is_uninstallable = $manifest['is_uninstallable'];
                $this->author = $manifest['author'];
                $this->key = $manifest['key'];
                $this->description = $manifest['description'];
                if(!empty($manifest['readme']))
                    $this->readme = $manifest['readme'];
            }
        }
        $this->loadModules(true);
    }

    function save(){
        $path = $this->getPackageDir();
        if(mkdir_recursive($path)){
            //Save all the modules when we save a package
            $this->updateModulesMetaData(true);
            sugar_file_put_contents_atomic($path .'/manifest.php', $this->getManifest());
        }
    }
    
    function build($export=true, $clean = false){
        $this->loadModules();
        require_once('include/utils/zip_utils.php');
        $package_path = $this->getPackageDir();
        $path = $this->getBuildDir() . '/SugarModules';
        if($clean && file_exists($path))rmdir_recursive($path);
        if(mkdir_recursive($path)){
            
            $manifest = $this->getManifest().$this->buildInstall($path);
            $fp = sugar_fopen($this->getBuildDir() .'/manifest.php', 'w');
            fwrite($fp, $manifest);
            fclose($fp);
            
        }
        if(file_exists('modules/ModuleBuilder/MB/LICENSE.txt')){
            copy('modules/ModuleBuilder/MB/LICENSE.txt', $this->getBuildDir() . '/LICENSE.txt');
        }else if(file_exists('LICENSE.txt')){
            copy('LICENSE.txt', $this->getBuildDir() . '/LICENSE.txt');
        }
        $package_dir = $this->getPackageDir();
        $date = date('Y_m_d_His');
        $zipDir = $this->getZipDir();
        if(!file_exists($zipDir))mkdir_recursive($zipDir);
        $cwd = getcwd();
        chdir($this->getBuildDir());
        zip_dir('.',$cwd . '/'. $zipDir. '/'. $this->name. $date. '.zip');
        chdir($cwd);
        if($export){
            header('Location:' . $zipDir. '/'. $this->name. $date. '.zip');
        }
        return array(
            'zip'=>$zipDir. '/'. $this->name. $date. '.zip',
            'manifest'=>$this->getBuildDir(). '/manifest.php',
            'name'=>$this->name. $date,
            );
    }
    
    
    function getNodes(){
        $this->loadModules();
        $node = array('name'=>$this->name, 'action'=>'module=ModuleBuilder&action=package&package=' . $this->name, 'children'=>array());
        foreach(array_keys($this->modules) as $module){
            $node['children'][] = $this->modules[$module]->getNodes();
        }
        return $node;
    }
    
    function populateFromPost(){
        $this->description = trim($_REQUEST['description']);
        $this->author = trim($_REQUEST['author']);
        $this->key = trim($_REQUEST['key']);
        $this->readme = trim($_REQUEST['readme']);
    }
    
    function rename($new_name){
        $old= $this->getPackageDir();
        $this->name = $new_name;
        $new = $this->getPackageDir();
        if(file_exists($new)){
            return false;   
        }
        if(rename($old, $new)){
            return true;
        }
            
        return false;
    }
    
    function updateModulesMetaData($save=false){
            foreach(array_keys($this->modules) as $module){
                $old_name = $this->modules[$module]->key_name;
            	$this->modules[$module]->key_name = $this->key . '_' . $this->modules[$module]->name;
                $this->modules[$module]->renameMetaData($this->modules[$module]->getModuleDir(), $old_name);
                $this->modules[$module]->renameLanguageFiles($this->modules[$module]->getModuleDir());
                if($save)$this->modules[$module]->save();
            }
        
    }
    
    function copy($new_name){
        $old= $this->getPackageDir();
        
        $count = 0;
        $this->name = $new_name;
        $new= $this->getPackageDir();
        while(file_exists($new)){
            $count++;
            $this->name = $new_name . $count;
            $new= $this->getPackageDir();
        }
        
        $new = $this->getPackageDir();
        if(copy_recursive($old, $new)){
            $this->updateModulesMetaData();
            return true;
        }
        return false;
        
    }
    
    function delete(){
        return rmdir_recursive($this->getPackageDir());
    }
    
    
        //creation of the installdefs[] array for the manifest when exporting customizations
    function customBuildInstall($modules, $path, $extensions = array()){
        $columns=$this->getColumnsName();
        $installdefs = array ('id' => $this->name, 'relationships' => array());
        $include_path="$path/SugarModules/include/language";
        if(file_exists($include_path) && is_dir($include_path)){
            $dd= dir($include_path);
            while($gg = $dd->read()){
                if(substr($gg, 0, 1) != '.' && is_file($include_path . '/' . $gg)){
                    $lang = substr($gg, 0, strpos($gg, '.'));
                    $installdefs['language'][] = array(
                    'from'=> '<basepath>/SugarModules/include/language/'. $gg,
                    'to_module'=> 'application',
                    'language'=>$lang    
                    );
                }
            }
        }
        
        foreach($modules as $value){
            $custom_module = $this->getCustomModules($value);
            foreach($custom_module as $va){
                if ($va == 'language'){
                    $this->getLanguageManifestForModule($value, $installdefs);
                    $this->getCustomFieldsManifestForModule($value, $installdefs);
                }//fi
                if($va == 'metadata'){
                    $this->getCustomMetadataManifestForModule($value, $installdefs);
                }//fi
            }//foreach
            $relationshipsMetaFiles = $this->getCustomRelationshipsMetaFilesByModuleName($value, true, true,$modules);
            if($relationshipsMetaFiles)
            {
                foreach ($relationshipsMetaFiles as $file)
                {
                    $installdefs['relationships'][] = array('meta_data' => str_replace('custom', '<basepath>', $file)); 
                }
            }
        }//foreach
        if (is_dir($path . DIRECTORY_SEPARATOR . 'Extension'))
        {
            $this->getExtensionsManifestForPackage($path, $installdefs);
        }
        return "\n".'$installdefs = ' . var_export_helper($installdefs). ';';
    }
    
    private function getLanguageManifestForModule($module, &$installdefs)
    {
    	$lang_path = 'custom' . DIRECTORY_SEPARATOR . 'modules' . DIRECTORY_SEPARATOR . $module . DIRECTORY_SEPARATOR . 'language';
        foreach(scandir($lang_path) as $langFile)
        {
	        if(substr($langFile, 0, 1) != '.' && is_file($lang_path . DIRECTORY_SEPARATOR . $langFile)){
	            $lang = substr($langFile, 0, strpos($langFile, '.'));
	            $installdefs['language'][] = array(
	                'from'=> '<basepath>/SugarModules/modules/' . $module . '/language/'. $langFile,
	                'to_module'=> $module,
	                'language'=>$lang
	            );
	        }
        }  
    }
    
    private function getCustomFieldsManifestForModule($module, &$installdefs)
    {
    	$db = DBManagerFactory::getInstance();
    	$result=$db->query("SELECT *  FROM fields_meta_data where custom_module='$module'");
    	while($row = $db->fetchByAssoc($result)){
    		$name = $row['id'];
    		foreach($row as $col=>$res){
    			switch ($col) {
    				case 'custom_module':
    					$installdefs['custom_fields'][$name]['module'] = $res;
    					break;
    				case 'required':
    					$installdefs['custom_fields'][$name]['require_option'] = $res;
    					break;
    				case 'vname':
    					$installdefs['custom_fields'][$name]['label'] = $res;
    					break;
    				case 'required':
    					$installdefs['custom_fields'][$name]['require_option'] = $res;
    					break;
    				case 'massupdate':
    					$installdefs['custom_fields'][$name]['mass_update'] = $res;
    					break;
    				case 'comments':
    					$installdefs['custom_fields'][$name]['comments'] = $res;
    					break;
    				case 'help':
    					$installdefs['custom_fields'][$name]['help'] = $res;
    					break;
    				case 'len':
    					$installdefs['custom_fields'][$name]['max_size'] = $res;
    					break;
    				default:
    					$installdefs['custom_fields'][$name][$col] = $res;
    			}//switch
    		}//foreach
    	}//while
    }
    
    private function getCustomMetadataManifestForModule($module, &$installdefs)
    {
    	$meta_path = 'custom/modules/' . $module . '/metadata';
    	foreach(scandir($meta_path) as $meta_file)
    	{
    		if(substr($meta_file, 0, 1) != '.' && is_file($meta_path . '/' . $meta_file)){
    			if($meta_file == 'listviewdefs.php'){
    				$installdefs['copy'][] = array(
                                'from'=> '<basepath>/SugarModules/modules/'. $module . '/metadata/'. $meta_file,
                                'to'=> 'custom/modules/'. $module . '/metadata/' . $meta_file,   
    				);
    			}
    			else{
    				$installdefs['copy'][] = array(
                                'from'=> '<basepath>/SugarModules/modules/'. $module . '/metadata/'. $meta_file,
                                'to'=> 'custom/modules/'. $module . '/metadata/' . $meta_file,   
    				);
    				$installdefs['copy'][] = array(
                                'from'=> '<basepath>/SugarModules/modules/'. $module . '/metadata/'. $meta_file,
                                'to'=> 'custom/working/modules/'. $module . '/metadata/' . $meta_file,   
    				);
    			}
    		}
    	}
    }

    /**
     * @todo private changed protected for testing purposes.
     * 
     * @param string $path
     * @param array $installdefs link
     */
    protected function getExtensionsManifestForPackage($path, &$installdefs)
    {
        if(empty($installdefs['copy']))
        {
            $installdefs['copy']= array();
        }
        $generalPath = DIRECTORY_SEPARATOR . 'Extension' . DIRECTORY_SEPARATOR . 'modules';

        //do not process if path is not a valid directory, or recursiveIterator will break.
        if(!is_dir($path.$generalPath))
        {
            return;
        }
        
        $recursiveIterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($path . $generalPath),
                RecursiveIteratorIterator::SELF_FIRST
        );

        /* @var $fInfo SplFileInfo */
        foreach (new RegexIterator($recursiveIterator, "/\.php$/i") as $fInfo)
        {

            $newPath = substr($fInfo->getPathname(), strrpos($fInfo->getPathname(), $generalPath));

            $installdefs['copy'][] = array(
                'from' => '<basepath>' . $newPath,
                'to' => 'custom' . $newPath
            );
        }
    }

    //return an array which contain the name of fields_meta_data table's columns 
    function getColumnsName(){
         
        $meta = new FieldsMetaData();
        $arr = array(); 
         foreach($meta->getFieldDefinitions() as $key=>$value) {
            $arr[] = $key;
        }
        return $arr;
    }


    //creation of the custom fields ZIP file (use getmanifest() and customBuildInstall() )  
    function exportCustom($modules, $export=true, $clean = true){
        
        $relationshipFiles = array();

        $path = $this->getBuildDir();
        if ($clean && file_exists($path)) {
            rmdir_recursive($path);
        }
        //Copy the custom files to the build dir
        foreach ($modules as $module) {
            $pathmod = "$path/SugarModules/modules/$module";
            if (mkdir_recursive($pathmod)) {
                if (file_exists("custom/modules/$module")) {
                    copy_recursive("custom/modules/$module", "$pathmod");
                    //Don't include cached extension files
                    if (is_dir("$pathmod/Ext"))
                        rmdir_recursive("$pathmod/Ext");
                }
                //Convert modstring files to extension compatible arrays
                $this->convertLangFilesToExtensions("$pathmod/language");
            }

            $extensions = $this->getExtensionsList($module, $modules);
            $relMetaFiles = $this->getCustomRelationshipsMetaFilesByModuleName($module, true,false,$modules);
            $extensions = array_merge($extensions, $relMetaFiles);

            foreach ($extensions as $file) {
                $fileInfo = new SplFileInfo($file);
                $trimmedPath = ltrim($fileInfo->getPath(), 'custom');

                sugar_mkdir($path . $trimmedPath, NULL, true);
                copy($file, $path . $trimmedPath . '/' . $fileInfo->getFilename());
            }
        }

        $this->copyCustomDropdownValuesForModules($modules,$path);
        if(file_exists($path)){
            $manifest = $this->getManifest(true).$this->customBuildInstall($modules,$path);
            sugar_file_put_contents($path .'/manifest.php', $manifest);
        }
        if(file_exists('modules/ModuleBuilder/MB/LICENSE.txt')){
            copy('modules/ModuleBuilder/MB/LICENSE.txt', $path . '/LICENSE.txt');
        }
        else if(file_exists('LICENSE.txt')){
            copy('LICENSE.txt', $path . '/LICENSE.txt');
        }
        require_once('include/utils/zip_utils.php');
        $date = date('Y_m_d_His');
        $zipDir = $this->getZipDir();
        if(!file_exists($zipDir))mkdir_recursive($zipDir);
        $cwd = getcwd();
        chdir($this->getBuildDir());
        zip_dir('.',$cwd . '/'. $zipDir. '/'. $this->name. $date. '.zip');
        chdir($cwd);
        if($clean && file_exists($this->getBuildDir()))rmdir_recursive($this->getBuildDir());
        if($export){
            header('Location:' . $zipDir. '/'. $this->name. $date. '.zip');
        }
        return $zipDir. '/'. $this->name. $date. '.zip';
    }
    
    private function convertLangFilesToExtensions($langDir)
    {
        if (is_dir($langDir))
        {
            foreach(scandir($langDir) as $langFile)
            {
                $mod_strings = array();
                if (strcasecmp(substr($langFile, -4), ".php") != 0)
                    continue;
                include("$langDir/$langFile");
                $out = "<?php \n // created: " . date('Y-m-d H:i:s') . "\n";
                foreach($mod_strings as $lbl_key => $lbl_val ) 
                {
                    $out .= override_value_to_string("mod_strings", $lbl_key, $lbl_val) . "\n";
                }
                $out .= "\n?>\n";
                sugar_file_put_contents("$langDir/$langFile", $out);
            }
        }
    }
    private function copyCustomDropdownValuesForModules($modules, $path)
    {
        if(file_exists("custom/include/language")){
            if(mkdir_recursive("$path/SugarModules/include")){
                global $app_list_strings;
                $backStrings = $app_list_strings;
                foreach(scandir("custom/include/language") as $langFile)
                {
                    $app_list_strings = array();
                    if (strcasecmp(substr($langFile, -4), ".php") != 0)
                       continue;
                    include("custom/include/language/$langFile");
                    $out = "<?php \n";
                    $lang = substr($langFile, 0, -9);
                    $options = $this->getCustomDropDownStringsForModules($modules, $app_list_strings); 
                    foreach($options as $name => $arr) {
                        $out .= override_value_to_string('app_list_strings', $name, $arr);
                    }
                    mkdir_recursive("$path/SugarModules/include/language/");
                    sugar_file_put_contents("$path/SugarModules/include/language/$lang.$this->name.php", $out);
                }
                $app_list_strings = $backStrings;
            }
        }
    }
    
    function getCustomDropDownStringsForModules($modules, $list_strings) {
        global $beanList, $beanFiles;
        $options = array();
        foreach($modules as $module)
        {
            if (!empty($beanList[$module]))
            {
                require_once($beanFiles[$beanList[$module]]);
                $bean = new $beanList[$module]();
                foreach($bean->field_defs as $field => $def) 
                {
                    if (isset($def['options']) && isset($list_strings[$def['options']]))
                    {
                        $options[$def['options']] = $list_strings[$def['options']];
                    }
                }
            }
        }
        return $options;
    }


    //if $module=false : return an array with custom module and there customizations.
    //if $module=!false : return an array with the directories of custom/module/$module.
    function getCustomModules($module=false){
        global $mod_strings;
        $path='custom/modules/';
		$extPath = 'custom/Extension/modules/';
        if(!file_exists($path) || !is_dir($path)){
            return array($mod_strings['LBL_EC_NOCUSTOM'] => "");
        }
        else{
            if ($module != false ){
                $path=$path . $module . '/';
            }
            $scanlisting = scandir($path);
            $dirlisting = array();
            foreach ($scanlisting as $value){
                if(is_dir($path . $value) == true && $value != '.' && $value != '..') {
                    $dirlisting[] = $value;
                }
            }
			if(empty($dirlisting)){
                return array($mod_strings['LBL_EC_NOCUSTOM'] => "");
            }
            if ($module == false ){
                foreach ($dirlisting as $value){
                	if(!file_exists('modules/' . $value . '/metadata/studio.php'))
                		continue;
                    $custommodules[$value]=$this->getCustomModules($value);
                    foreach ($custommodules[$value] as $va){
                        switch ($va) {
                        case 'language':
                                $return[$value][$va] = $mod_strings['LBL_EC_CUSTOMFIELD'];
                            break;
                        case 'metadata':
                            $return[$value][$va] = $mod_strings['LBL_EC_CUSTOMLAYOUT'];
                            break;
                        case 'Ext':
                            
							$return[$value][$va] = $mod_strings['LBL_EC_CUSTOMFIELD'];
                            break;
                        case '':
                            $return[$value . " " . $mod_strings['LBL_EC_EMPTYCUSTOM']] = "";
                            break;
                        default:
                            $return[$value][$va] = $mod_strings['LBL_UNDEFINED'];
                        }
                    }
                }
                return $return;
            }
            else{
                return $dirlisting;
            }
        }
    }
	
    /**
     * Get _custom_ extensions for module.
     * Default path - custom/Extension/modules/$module/Ext.
     * 
     * @param array $module Name.
     * @param mixed $includeRelationships ARRAY - relationships files between $module and names in array;
     * TRUE - with all relationships files; 
     * @return array Paths.
     */
    protected function getExtensionsList($module, $includeRelationships = true)
    {
        if (BeanFactory::getBeanName($module) === false)
        {
            return array();
        }
        
        $result = array();
        $includeMask = false;
        $extPath = sprintf('custom%1$sExtension%1$smodules%1$s' . $module . '%1$sExt', DIRECTORY_SEPARATOR);

        //do not process if path is not a valid directory, or recursiveIterator will break.
        if(!is_dir($extPath))
        {
            return $result;
        }


        if (is_array($includeRelationships))
        {
            $includeMask = array();
            $customRels = $this->getCustomRelationshipsByModuleName($module);

            $includeRelationships[] = $module;

            foreach ($customRels as $k => $v)
            {
                if (
                    in_array($v->getLhsModule(), $includeRelationships) &&
                    in_array($v->getRhsModule(), $includeRelationships)
                )
                {
                    $includeMask[] = $k;
                }
            }
        }

        $recursiveIterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($extPath),
                RecursiveIteratorIterator::SELF_FIRST
        );

        /* @var $fileInfo SplFileInfo */
        foreach ($recursiveIterator as $fileInfo)
        {

            if ($fileInfo->isFile() && !in_array($fileInfo->getPathname(), $result))
            {
                //get the filename in lowercase for easier comparison
                $fn = $fileInfo->getFilename();
                if(!empty($fn))
                {
                    $fn = strtolower($fn);
                }

                if ($this->filterExportedRelationshipFile($fn,$module,$includeRelationships) ){
                    $result[] = $fileInfo->getPathname();
                }
            }
        }

        return $result;
    }

    /**
     * Processes the name of the file and compares against the passed in module names to
     * evaluate whether the file should be included for export.  Returns true or false
     *
     * @param $fn (file name that is being evaluated)
     * @param $module (name of current module being evaluated)
     * @param $includeRelationship (list of related modules that are also being exported, to be used as filters)
     * @return boolean true or false
     */
    function filterExportedRelationshipFile($fn,$module,$includeRelationships)
    {
        $shouldExport = false;
        if(empty($fn) || !is_array($includeRelationships) || empty($includeRelationships))
        {
            return $shouldExport;
        }

        //if file name does not contain the current module name then it is not a relationship file,
        //or if the module has the current module name twice seperated with an underscore, then this is a relationship within itself
        //in both cases set the shouldExport flag to true
        $lc_mod = strtolower($module);
        $fn = strtolower($fn);
        if ((strpos($fn, $lc_mod) === false) || (strpos($fn, $lc_mod.'_'.$lc_mod) !== false))
        {
            $shouldExport = true;
        }else{

            //grab only rels that have both modules in the export list
            foreach ($includeRelationships as $relatedModule)
            {
                //skip if the related module is empty
                if(empty($relatedModule))
                {
                    continue;
                }

                //if the filename also has the related module name, then add the relationship file
                //strip the current module,as we have already checked for existance of module name and dont want any false positives
                $fn = str_replace($lc_mod,'',$fn);
                if (strpos($fn, strtolower($relatedModule)) !== false)
                {
                    //both modules exist in the filename lets include in the results array
                    $shouldExport = true;
                    break;
                }
            }
        }

        return $shouldExport;
    }

    /**
     * Returns a set of field defs for fields that will exist when this package is deployed
     * based on the relationships in all of its modules.
     * 
     * @param $moduleName (module must be from whithin this package)
     * @return array Field defs
     */
    function getRelationshipsForModule($moduleName) {
    	$ret = array();
    	if (isset($this->modules[$moduleName])) {
    		$keyName = $this->modules[$moduleName]->key_name;
    		foreach($this->modules as $mName => $module) {
    			$rels = $module->getRelationships();
    			$relList = $rels->getRelationshipList();
    			foreach($relList as $rName ) {
    			    $rel = $rels->get ( $rName ) ;
    			     if ($rel->lhs_module == $keyName || $rel->rhs_module == $keyName) {
                        $ret[$rName] =  $rel;
    			     }
    			}
    		}
    	}
    	return $ret; 
    }
    

    function exportProjectInstall($package, $for_export){
        $pre = $for_export ? MB_EXPORTPREPEND : "";
        $installdefs = array ('id' => $pre . $this->name);
        $installdefs['copy'][] = array(
            'from'=> '<basepath>/' . $this->name,
            'to'=> 'custom/modulebuilder/packages/'. $this->name,   
        );
        return "\n".'$installdefs = ' . var_export_helper($installdefs). ';';

    }
    
    
    function exportProject($package, $export=true, $clean = true){
        $tmppath="custom/modulebuilder/projectTMP/";
        if(file_exists($this->getPackageDir())){
            if(mkdir_recursive($tmppath)){
                copy_recursive($this->getPackageDir(), $tmppath ."/". $this->name);
                $manifest = $this->getManifest(true, $export).$this->exportProjectInstall($package, $export);
                $fp = sugar_fopen($tmppath .'/manifest.php', 'w');
                fwrite($fp, $manifest);
                fclose($fp);
                if(file_exists('modules/ModuleBuilder/MB/LICENSE.txt')){
                    copy('modules/ModuleBuilder/MB/LICENSE.txt', $tmppath . '/LICENSE.txt');
                }
                else if(file_exists('LICENSE.txt')){
                    copy('LICENSE.txt', $tmppath . '/LICENSE.txt');
                }
                $readme_contents = $this->readme;
                $readmefp = sugar_fopen($tmppath.'/README.txt','w');
                fwrite($readmefp, $readme_contents);
                fclose($readmefp);
            }
        }
        require_once('include/utils/zip_utils.php');
        $date = date('Y_m_d_His');
        $zipDir = "custom/modulebuilder/packages/ExportProjectZips";
        if(!file_exists($zipDir))mkdir_recursive($zipDir);
        $cwd = getcwd();
        chdir($tmppath);
        zip_dir('.',$cwd . '/'. $zipDir. '/project_'. $this->name. $date. '.zip');
        chdir($cwd);
        if($clean && file_exists($tmppath))rmdir_recursive($tmppath);
        if($export){
            header('Location:' . $zipDir. '/project_'. $this->name. $date. '.zip');
        }
        return $zipDir. '/project_'. $this->name. $date. '.zip';
    }
    
    /**
     * This returns an UNFILTERED list of custom relationships by module name.  You will have to filter the relationships
     * by the modules being exported after calling this method
     * @param string $moduleName
     * @param bool $lhs Return relationships where $moduleName - left module in join.
     * @return mixed Array or false when module name is wrong.
     */
    protected function getCustomRelationshipsByModuleName($moduleName, $lhs = false)
    {
        if (BeanFactory::getBeanName($moduleName) === false)
        {
            return false;
        }
        
        $result = array();
        $relation = null;
        $module = new StudioModule($moduleName);

        /* @var $rel DeployedRelationships */
        $rel = $module->getRelationships();

        $relList = $rel->getRelationshipList();

        foreach ($relList as $relationshipName)
        {
            $relation = $rel->get($relationshipName);

            if ($relation->getFromStudio())
            {
                if ($lhs && $relation->getLhsModule() != $moduleName)
                {
                    continue;
                }
                $result[$relationshipName] = $relation;
            }
        }

        return $result;
    }
    
    /**
     * @param string $moduleName
     * @param bool $lhs Return relationships where $moduleName - left module in join.
     * @param bool $metadataOnly Return only relationships metadata file.
     * @param $includeRelationship (list of related modules that are also being exported)
     * @return array (array of relationships filtered to only include relationships to modules being exported)
     */
    protected function getCustomRelationshipsMetaFilesByModuleName($moduleName, $lhs = false, $metadataOnly = false,$exportedModulesFilter=array())
    {
        
        $path = $metadataOnly ?
                'custom' . DIRECTORY_SEPARATOR . 'metadata' . DIRECTORY_SEPARATOR :
                'custom' . DIRECTORY_SEPARATOR;
        $result = array();


        //do not process if path is not a valid directory, or recursiveIterator will break.
        if(!is_dir($path))
        {
            return $result;
        }

        $relationships = $this->getCustomRelationshipsByModuleName($moduleName, $lhs);
        
        if (!$relationships)
        {
            return array();
        }
        
        $recursiveIterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($path),
                RecursiveIteratorIterator::SELF_FIRST
        );

        /**
         * @var $fileInfo SplFileInfo 
         */
        foreach ($recursiveIterator as $fileInfo)
        {
            if ($fileInfo->isFile() && !in_array($fileInfo->getPathname(), $result))
            {
                foreach ($relationships as $k => $v)
                {

                    if (strpos($fileInfo->getFilename(), $k) !== false)
                    {   //filter by modules being exported
                        if ($this->filterExportedRelationshipFile($fileInfo->getFilename(),$moduleName,$exportedModulesFilter) ){
                            $result[] = $fileInfo->getPathname();
                            break;
                        }
                    }
                }
            }
        }

        return $result;
    }

    public function deleteBuild()
    {
        return rmdir_recursive($this->getBuildDir());
    }

}

?>