<?php
/**
* Called from Loco_cli_Commands::fetch
*/
abstract class Loco_cli_FetchCommand {
/**
* @param Loco_package_Project[] $projects project filter
* @param Loco_Locale[] $locales locale filter
* @param bool[] $opts switches
*/
public static function run( array $projects, array $locales, array $opts ){
$wp = new Loco_api_WordPressTranslations;
$done = 0;
// fetch for every "installed" locale if none specified
if( ! $locales ){
foreach( $wp->getInstalledCore() as $tag ){
if( 'en_US' === $tag ){
continue;
}
$locale = Loco_Locale::parse($tag);
if( $locale->isValid() ){
$locales[] = $locale;
}
}
if( ! $locales ){
throw new Loco_error_Exception('No installed languages, try with --locale=<code>');
}
}
foreach( $projects as $project ){
$type = strtolower( $project->getBundle()->getType() );
$domain = $project->getDomain()->getName();
$info = $project->getBundle()->getHeaderInfo();
$version = $info->Version;
// Currently only supporting WordPress community translation sources.
$args = [ 'version' => $version ];
if( 'core' !== $type ){
$type.= 's';
if( $project->getSlug() !== $domain ){
WP_CLI::warning( sprintf('Skipping %s, only single text domain %s supported',$project->getId(),$type));
continue;
}
$args['slug'] = $domain;
}
WP_CLI::log( sprintf('Looking up %s v%s..',$project,$version) );
Loco_cli_Utils::debug('Querying WordPress translations API for %s => %s..',$type,json_encode($args) );
$result = $wp->apiGet($type,$args);
// pre-index installable language packs
$packages = [];
foreach( $result['translations'] as $data ){
$packages[$data['language']] = $data['package'];
}
// Translations API does not error when GlotPress project doesn't exist, it just returns empty.
if( ! $packages ){
Loco_cli_Utils::debug('No installable language packs available for %s. Checking if a GlotPress project exists..',$project);
// Ping GlotPress project page. This is the only way we can know if an incomplete project exists
$response = wp_remote_head( sprintf('https://translate.wordpress.org/projects/wp-%s/%s/',$type,$args['slug']) );
$status = wp_remote_retrieve_response_code($response);
if( 404 === $status ){
WP_CLI::warning( sprintf("Skipping %s: 404 from translate.wordpress.org. Probably no GlotPress project.",$project) );
continue;
}
else if( 200 !== $status ){
WP_CLI::warning( sprintf("Status %u from translate.wordpress.org. Skipping %s.",$status,$project) );
}
Loco_cli_Utils::debug('> Ok, looks like GlotPress project exists; probably no locales above the threshold for a package build');
}
// Save path is under "system" location because we are installing from GlotPress
$dir = new Loco_fs_Directory( 'core' === $type ? '.' : $type );
$dir->normalize( loco_constant('WP_LANG_DIR') );
foreach( $locales as $locale ){
$tag = (string) $locale;
if( 'en_US' == $tag ){
WP_CLI::warning('There are no translations in en_US. It is the source locale.');
continue;
}
// Map WP locale codes to GlotPress teams. They differ, naturally.
$team = $locale->lang;
if( $locale->region ){
$team.= '-'.strtolower($locale->region);
}
$gp = Loco_data_CompiledData::get('gp');
if( array_key_exists($team,$gp['aliases']) ){
$team = $gp['aliases'][$team];
}
// variant code (e.g. formal) is a sub-entity and not part of team language id
$variant = $locale->variant;
if( ! $variant ){
$variant = 'default';
}
if( 'core' === $type ){
// core projects are per-version. "dev" being upcoming. Then e.g. 5.6.x for stable
if( $opts['trunk'] || preg_match('/^\\d.\\d-(?:rc|dev|beta)/i',$version) ){
$slug = 'dev';
}
else {
list($major,$minor) = explode('.',$version,3);
$slug = sprintf('%u.%u.x',$major,$minor);
}
// Core projects are sub projects. plugins and themes don't have this
$map = [
'default.' => '',
'default.admin' => '/admin',
'default.admin-network' => '/admin/network',
'continents-cities' => '/cc',
];
$slug .= $map[ $project->getId() ];
$url = 'https://translate.wordpress.org/projects/wp/'.$slug.'/'.$team.'/'.$variant.'/export-translations/?format=po';
}
else {
$slug = $domain;
// plugins are either "stable" or "dev"; themes don't appear to have stability/version slug ??
if( 'plugins' === $type ) {
$slug .= $opts['trunk'] ? '/dev' : '/stable';
}
$url = 'https://translate.wordpress.org/projects/wp-'.$type.'/'.$slug.'/'.$team.'/' . $variant . '/export-translations/?format=po';
}
// Note that this export URL is not a documented API and may change without notice
// TODO We could pass If-Modified-Since with current PO file header, BUT that could not know if existing file is purged or not. Make configurable?
WP_CLI::log( sprintf('Fetching PO from %s..',$url));
$response = wp_remote_get($url);
$status = wp_remote_retrieve_response_code($response);
if( 200 !== $status ){
WP_CLI::warning( sprintf('Status %u from translate.wordpress.org; skipping "%s". Probably no translation team',$status,$tag) );
continue;
}
Loco_cli_Utils::debug('OK, last modified %s', wp_remote_retrieve_header($response,'last-modified') );
/*/ TODO fallback to installable package
if( $packages && ! array_key_exists($tag,$packages) ){
WP_ClI::warning( sprintf('%s is not installable in `%s` (probably not complete enough)',$project,$tag) );
}*/
// Parse PO data to check it's valid, and also because we're going to compile it.
$pobody = wp_remote_retrieve_body($response);
$podata = Loco_gettext_Data::fromSource($pobody);
$response = null;
// keep translations if file already exists in this location.
$pofile = $project->initLocaleFile($dir,$locale);
$info = new Loco_mvc_FileParams( [], $pofile );
Loco_cli_Utils::debug('Saving %s..', $info->relpath );
$compiler = new Loco_gettext_Compiler($pofile);
if( $pofile->exists() ){
$info = new Loco_mvc_FileParams( [], $pofile );
Loco_cli_Utils::debug('PO already exists at %s (%s), merging..',$info->relpath,$info->size);
$original = Loco_gettext_Data::load($pofile);
$matcher = new Loco_gettext_Matcher($project);
$matcher->loadRefs($podata,true);
// downloaded file is in memory can be replaced with merged version
$podata = clone $original;
$podata->clear();
$stats = $matcher->merge($original,$podata);
$original = null;
if( ! $stats['add'] && ! $stats['del'] && ! $stats['fuz'] && ! $stats['trn'] ){
WP_CLI::log( sprintf('%s unchanged in "%s". Skipping %s', $project,$locale,$info->relpath) );
continue;
}
// Overwrite merged PO, which will back up first if configured
Loco_cli_Utils::debug('OK: %u added, %u dropped, %u fuzzy', count($stats['add']), count($stats['del']), count($stats['fuz']) );
$podata->localize($locale);
$compiler->writePo($podata);
}
// Copy PO directly to disk as per remote source
else {
$compiler->writeFile($pofile,$pobody);
$podata->inheritHeader( Loco_gettext_Data::dummy()->localize($locale)->getHeaders() );
}
// Compile new MO and JSON files..
Loco_cli_Utils::debug('Compiling %s.{mo,json}',$pofile->filename() );
$compiler->writeMo($podata);
$compiler->writeJson($project,$podata);
$pofile->clearStat();
WP_CLI::success( sprintf('Fetched %s for "%s": %s PO at %s', $project,$locale,$info->size,$info->relpath) );
Loco_error_AdminNotices::get()->flush();
// clean up memory and ready for next file
unset($podata,$pobody);
$done++;
}
}
if( 0 === $done ){
WP_CLI::success('Completed OK, but no files were installed');
}
}
}