xmlEmailsToPo.php

<?php
 
require(dirname(dirname(dirname(dirname(__FILE__)))) . '/tools/bootstrap.inc.php');
 
class xmlEmailsToPo extends CommandLineTool {
   protected $sourceXmlFile;
 
   protected $poFile;
 
   function __construct($argv = array()) {
      parent::__construct($argv);
 
      array_shift($argv); // Shift the tool name off the top
 
      $this->sourceXmlFile = array_shift($argv);
      $this->poFile = array_shift($argv);
 
      if (empty($this->sourceXmlFile) || !file_exists($this->sourceXmlFile)) {
         $this->usage();
         exit(2);
      }
 
      if (empty($this->poFile)) {
         $this->usage();
         exit(3);
      }
   }
 
   function usage() {
      echo "Script to convert XML email file to PO format\n"
         . "Usage: {$this->scriptName} input-locale-file.xml output-file.po\n";
   }
 
   static function parseEmailFile($filename, &$locale) {
      $localeData = array();
      $xmlDao = new XMLDAO();
      $data = $xmlDao->parse($filename, array('email_texts', 'email_text', 'subject', 'body', 'description'));
      if (!$data) return null;
 
      $locale = $data->getAttribute('locale');
 
      foreach ($data->getChildren() as $emailNode) {
         $key = $emailNode->getAttribute('key');
 
         $subject = $emailNode->getChildValue('subject');
         $body = $emailNode->getChildValue('body');
         $description = $emailNode->getChildValue('description');
 
         $localeData[$key] = array(
            'subject' => $emailNode->getChildValue('subject'),
            'body' => $emailNode->getChildValue('body'),
            'description' => $emailNode->getChildValue('description'),
         );
      }
 
      return $localeData;
   }
 
   function execute() {
      $localeData = array();
      $locale = null;
 
      $sourceData = self::parseEmailFile($this->sourceXmlFile, $locale);
      if (!$sourceData) throw new Exception('Unable to load source file ' . $this->sourceXmlFile);
 
      import('lib.pkp.classes.file.EditableEmailFile');
      $editableEmailFile = new EditableEmailFile($locale, $this->sourceXmlFile);
 
      $translations = new \Gettext\Translations();
      foreach ($sourceData as $emailKey => $sourceEmailData) {
         // Convert EMAIL_KEY_NAME to emailKeyName
         $camelEmailKey = str_replace(' ', '', ucwords(str_replace('_', ' ', strtolower($emailKey))));
         $camelEmailKey[0] = strtolower($camelEmailKey[0]);
 
         foreach (array('subject', 'body', 'description') as $elementName) {
            $elementValue = $sourceEmailData[$elementName];
            $key = "emails.$camelEmailKey.$elementName";
 
            $translation = new \Gettext\Translation('', $key);
            $translation->setTranslation($elementValue);
            $translations->append($translation);
         }
 
         $editableEmailFile->update(
            $emailKey,
            "{translate key=\"emails.$camelEmailKey.subject\"}",
            "{translate key=\"emails.$camelEmailKey.body\"}",
            "{translate key=\"emails.$camelEmailKey.description\"}"
         );
      }
      $editableEmailFile->write();
 
      $translations->toPoFile($this->poFile);
   }
}
 
$tool = new xmlEmailsToPo(isset($argv) ? $argv : array());
$tool->execute();