Adding export language to po files command see #4467

src/ChamiloLMS/Command/Translation/ExportLanguagesCommand.php

@@ -0,0 +1,117 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace ChamiloLMS\Command\Translation;
+
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Finder\Finder;
+
+/**
+ * Class ExportLanguagesCommand
+ * @package ChamiloLMS\Command\Translation
+ */
+class ExportLanguagesCommand extends Command
+{
+    /**
+     *
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('translation:export_to_gettext')
+            ->setDescription('Export chamilo translations to po files');
+            //->addArgument('theme', InputArgument::OPTIONAL, 'The theme to dump, if none is set then all themes will be generated', null);
+    }
+
+    /**
+     * @param Console\Input\InputInterface $input
+     * @param Console\Output\OutputInterface $output
+     * @return int|null|void
+     */
+    protected function execute(Console\Input\InputInterface $input, Console\Output\OutputInterface $output)
+    {
+        $languageList = array('spanish');
+        foreach ($languageList as $lang) {
+            $output->writeln('<info>Generating lang po files for $lang</info>');
+            $this->convertLanguageToGettext($lang, $output);
+        }
+    }
+
+    private function convertLanguageToGettext($destinationLanguage, $output)
+    {
+        /** @var \Silex\Application $app */
+        $app = $this->getApplication()->getSilexApplication();
+        $tempPath = $app['paths']['sys_temp_path'].'langs';
+
+        if (!is_dir($tempPath)) {
+            mkdir($tempPath);
+            $output->writeln('<info>folder $tempPath created </info>');
+        }
+
+        $isocode = api_get_language_isocode($destinationLanguage);
+
+        $englishPath = $app['paths']['root_sys'].'main/lang/english/';
+
+        // Translate this language.
+
+        $toLanguagePath = $app['paths']['root_sys'].'main/lang/'.$destinationLanguage;
+
+        if (is_dir($englishPath)) {
+            if ($dh = opendir($englishPath)) {
+                while (($file = readdir($dh)) !== false) {
+                    $info = pathinfo($file);
+                    if ($info['extension'] != 'php') {
+                        continue;
+                    }
+                    $translations = array();
+                    $filename = $englishPath.'/'.$file;
+                    $po = file($filename);
+                    if (!file_exists($filename) || !file_exists($toLanguagePath.'/'.$file)) {
+                        continue;
+                    }
+
+                    foreach ($po as $line) {
+                        $pos = strpos($line, '=');
+                        if ($pos) {
+                            $variable = (substr($line, 1, $pos-1));
+                            $variable = trim($variable);
+                            require $filename;
+                            $my_variable_in_english = $$variable;
+                            require $toLanguagePath.'/'.$file;
+                            $my_variable = $$variable;
+                            $translations[] = array('msgid' =>$my_variable_in_english, 'msgstr' =>$my_variable);
+                        }
+                    }
+
+                    //var_dump($translations);
+                    $info['filename'] = explode('.', $info['filename']);
+                    $info['filename'] = $info['filename'][0];
+
+                    if (!is_dir($tempPath.'/'.$info['filename'])) {
+                        mkdir($tempPath.'/'.$info['filename']);
+                        $output->writeln('<info>folder '.$tempPath.'/'.$info['filename'].' created </info>');
+                    }
+
+                    $new_po_file = $tempPath.'/'.$info['filename'].'/'.$isocode.'.po';
+                    $fp = fopen($new_po_file, 'w');
+
+                    foreach ($translations as $item) {
+                        $line = 'msgid "'.addslashes($item['msgid']).'"'."\n";
+                        $line .= 'msgstr "'.addslashes($item['msgstr']).'"'."\n\n";
+                        fwrite($fp, $line);
+                    }
+                    fclose($fp);
+
+                    $message = "File $file converted to ".$new_po_file;
+                    $output->writeln($message);
+
+                }
+                closedir($dh);
+            }
+        }
+    }
+}