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<?php
/**
* LearnDash Admin Translations handler.
* This class connects to a remote GlotPress server to retrieve needed translations for LearnDash core and related add-ons.
*
* @package LearnDash\Admin
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'LearnDash_Translations' ) ) {
/**
* Class for LearnDash Translations.
*/
class LearnDash_Translations {
/**
* Project slug for this instance.
*
* @var string $project_slug Project Slug.
*/
private $project_slug = '';
/**
* Available Translations for project.
*
* @var array $available_translations Available Translations.
*/
private $available_translations = array();
/**
* Installed Translations for project.
*
* @var array $installed_translations Installed Translations.
*/
private $installed_translations = array();
/**
* Array of All Project Slugs.
*
* @var array $project_slugs.
*/
private static $project_slugs = array();
/**
* Translations Directory on server.
*
* @var string $translations_dir.
*/
private static $translations_dir = '';
/**
* Options Key for storing translations data.
*
* @var string $options_key.
*/
private static $options_key = 'ld-translations';
/**
* Debug capture variable.
*
* @var array $debug_log_array.
*/
public static $debug_log_array = array();
/**
* Public constructor for class.
*
* @param string $project_slug Project slug for instance.
*/
public function __construct( $project_slug = '' ) {
if ( ! empty( $project_slug ) ) {
$this->project_slug = $project_slug;
}
}
/**
* Interface function to register new translation slug.
*
* @param string $project_slug Project Slug.
* @param string $project_language_dir Project Language Directory.
*/
public static function register_translation_slug( $project_slug = '', $project_language_dir = '' ) {
if ( ( ! empty( $project_slug ) ) && ( ! isset( self::$project_slugs[ $project_slug ] ) ) ) {
self::$project_slugs[ $project_slug ] = trailingslashit( $project_language_dir );
}
}
/**
* Get last update information.
*/
public static function get_last_update() {
$ld_translations = get_option( self::$options_key );
if ( isset( $ld_translations['last_check'] ) ) {
return $ld_translations['last_check'];
}
}
/**
* Get Language Directory for Project.
*
* @param string $project_slug Project Slug.
* @param boolean $relative_to_home if true relative directory is returned.
* @return string directory path.
*/
public static function get_language_directory( $project_slug = '', $relative_to_home = true ) {
if ( ( ! empty( $project_slug ) ) && ( isset( self::$project_slugs [ $project_slug ] ) ) ) {
if ( true !== $relative_to_home ) {
return trailingslashit( self::$project_slugs[ $project_slug ] );
} else {
$abspath_tmp = str_replace( '\\', '/', ABSPATH );
return str_replace( $abspath_tmp, '/', trailingslashit( self::$project_slugs[ $project_slug ] ) );
}
}
return '';
}
/**
* Check if language directory is writable for Project Slug.
*
* @param string $project_slug Project Slug.
* @return boolean true if directory is writable.
*/
public static function is_language_directory_writable( $project_slug = '' ) {
if ( ! empty( $project_slug ) ) {
$translations_dir = self::get_language_directory( $project_slug, false );
if ( ( ! empty( $translations_dir ) ) && ( is_writable( $translations_dir ) ) ) {
return true;
}
}
return false;
}
/**
* Check if project has available translations.
*
* @param string $project_slug Project Slug.
* @return boolean true.
*/
public static function project_has_available_translations( $project_slug = '' ) {
$ld_translations = get_option( self::$options_key );
if ( isset( $ld_translations['translation_sets'][ $project_slug ] ) ) {
return true;
}
return false;
}
/** Return available translations for project slug.
*
* @param string $project_slug Project Slug.
* @param string $locale Locale for translations.
* @return mixed Translation set array.
*/
public static function project_get_available_translations( $project_slug = '', $locale = '' ) {
$ld_translations = get_option( self::$options_key );
if ( isset( $ld_translations['translation_sets'][ $project_slug ] ) ) {
if ( ! empty( $locale ) ) {
foreach ( $ld_translations['translation_sets'][ $project_slug ] as $translation_set ) {
if ( $translation_set['wp_locale'] == $locale ) {
return $translation_set;
}
}
}
return $ld_translations['translation_sets'][ $project_slug ];
}
return array();
}
/**
* Get Action URL.
*
* @param string $action Action.
* @param string $project Project Slug.
* @param string $locale Locale.
* @return string action URL.
*/
public static function get_action_url( $action = '', $project = '', $locale = '' ) {
if ( ! empty( $action ) ) {
$action_url = remove_query_arg( array( 'action', 'project', 'locale', 'ld-translation-nonce' ) );
$nonce_key = 'ld-translation-' . $action;
$action_url = add_query_arg( array( 'action' => $action ), $action_url );
if ( ! empty( $project ) ) {
$nonce_key .= '-' . $project;
$action_url = add_query_arg( array( 'project' => $project ), $action_url );
}
if ( ! empty( $locale ) ) {
$nonce_key .= '-' . $locale;
$action_url = add_query_arg( array( 'locale' => $locale ), $action_url );
}
$action_nonce = wp_create_nonce( $nonce_key );
$action_url = add_query_arg( array( 'ld-translation-nonce' => $action_nonce ), $action_url );
return $action_url;
}
return '';
}
/**
* Install Translations
*
* @param string $project Project Slug.
* @param string $locale Translation Locale.
*/
public static function install_translation( $project = '', $locale = '' ) {
$reply_data = array();
if ( ( ! empty( $project ) ) && ( ! empty( $locale ) ) ) {
if ( self::is_language_directory_writable( $project ) ) {
$translation_set = self::project_get_available_translations( $project, $locale );
if ( ( isset( $translation_set['links'] ) ) && ( ! empty( $translation_set['links'] ) ) ) {
foreach ( $translation_set['links'] as $link_key => $link_url ) {
/**
* Filters translation URL arguments.
*
* @param array $name An array of URL translation arguments.
*/
$url_args = apply_filters( 'learndash_translations_url_args', array( 'timeout' => LEARNDASH_HTTP_REMOTE_GET_TIMEOUT ) );
$dest_filename = self::get_language_directory( $project, false ) . $project . '-' . $locale . '.' . $link_key;
if ( file_exists( $dest_filename ) ) {
unlink( $dest_filename );
}
$response = wp_remote_get( $link_url, $url_args );
if ( ( is_array( $response ) ) && ( wp_remote_retrieve_response_code( $response ) == '200' ) ) {
$response_body = wp_remote_retrieve_body( $response );
if ( ! empty( $response_body ) ) {
$fp = fopen( $dest_filename, 'w+' ); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fopen
if ( false !== $fp ) {
fwrite( $fp, $response_body ); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fwrite
fclose( $fp ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fclose
$reply_data['status'] = true;
$reply_data['message'] = '<p>' . sprintf(
// translators: placeholders: Language Name, Language code.
esc_html_x( 'Translation installed: %1$s (%2$s)', 'placeholders: Language Name, Language code', 'learndash' ),
$translation_set['english_name'],
$translation_set['wp_locale']
) . '</p>';
$reply_data['translation_set'] = $translation_set;
}
}
}
}
}
}
}
return $reply_data;
}
/**
* Download .pot file
*
* @param string $project_slug Translation project slug.
*/
public static function download_pot_file( $project_slug = '' ) {
$reply_data = array();
if ( ! empty( $project_slug ) ) {
$pot_filename = self::get_language_directory( $project_slug, false ) . '' . $project_slug . '.pot';
if ( file_exists( $pot_filename ) ) {
$pot_file_contents = file_get_contents( $pot_filename ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
header( 'Content-type: text/x-gettext-translation' );
header( 'Content-Length: ' . strlen( $pot_file_contents ) );
header( 'Cache-Control: no-cache, must-revalidate' );
header( 'Pragma: no-cache' );
header( 'Expires: 0' );
header( 'Content-Disposition: attachment; filename="' . basename( $pot_filename ) . '"; modification-date="' . date( 'r' ) . '";' ); // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
echo $pot_file_contents; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
die();
}
$action_url = remove_query_arg( array( 'action', 'project', 'locale', 'ld-translation-nonce' ) );
learndash_safe_redirect( $action_url );
}
}
/**
* Download .po file
*
* @param string $project_slug Translation project slug.
* @param string $locale_slug Locale slug.
*/
public static function download_po_file( $project_slug = '', $locale_slug = '' ) {
$reply_data = array();
if ( ( ! empty( $project_slug ) ) && ( ! empty( $locale_slug ) ) ) {
$installed_translations = self::get_installed_translations( $project_slug );
if ( isset( $installed_translations[ $locale_slug ] ) ) {
$installed_set = $installed_translations[ $locale_slug ];
$po_filename = self::get_language_directory( $project_slug, false ) . $installed_set['po'];
if ( file_exists( $po_filename ) ) {
$po_file_contents = file_get_contents( $po_filename ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
header( 'Content-type: text/x-gettext-translation' );
header( 'Content-Length: ' . strlen( $po_file_contents ) );
header( 'Cache-Control: no-cache, must-revalidate' );
header( 'Pragma: no-cache' );
header( 'Expires: 0' );
header( 'Content-Disposition: attachment; filename="' . basename( $po_filename ) . '"; modification-date="' . date( 'r' ) . '";' ); // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
echo $po_file_contents; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Need to output HTML.
die();
}
$action_url = remove_query_arg( array( 'action', 'project', 'locale', 'ld-translation-nonce' ) );
learndash_safe_redirect( $action_url );
}
}
}
/**
* Update Translations for Project
*
* @param string $project Project Slug.
* @param string $locale Locale.
*/
public static function update_translation( $project = '', $locale = '' ) {
$reply_data = array();
if ( ( ! empty( $project ) ) && ( ! empty( $locale ) ) ) {
if ( self::is_language_directory_writable( $project ) ) {
$translation_set = self::project_get_available_translations( $project, $locale );
if ( ( isset( $translation_set['links'] ) ) && ( ! empty( $translation_set['links'] ) ) ) {
foreach ( $translation_set['links'] as $link_key => $link_url ) {
/** This filter is documented in includes/class-ld-translations.php */
$url_args = apply_filters( 'learndash_translations_url_args', array( 'timeout' => LEARNDASH_HTTP_REMOTE_GET_TIMEOUT ) );
$dest_filename = self::get_language_directory( $project, false ) . $project . '-' . $locale . '.' . $link_key;
if ( file_exists( $dest_filename ) ) {
unlink( $dest_filename );
}
$response = wp_remote_get( $link_url, $url_args );
if ( ( is_array( $response ) ) && ( wp_remote_retrieve_response_code( $response ) == '200' ) ) {
$response_body = wp_remote_retrieve_body( $response );
if ( ! empty( $response_body ) ) {
$fp = fopen( $dest_filename, 'w+' ); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fopen
if ( false !== $fp ) {
fwrite( $fp, $response_body ); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fwrite
fclose( $fp ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fclose
$reply_data['status'] = true;
$reply_data['message'] = '<p>' . sprintf(
// translators: placeholders: Language Name, Language code.
esc_html_x( 'Translation updated: %1$s (%2$s)', 'placeholders: Language Name, Language code', 'learndash' ),
$translation_set['english_name'],
$translation_set['wp_locale']
) . '</p>';
}
}
}
}
}
}
}
return $reply_data;
}
/**
* Remove translations for Project.
*
* @param string $project Project Slug.
* @param string $locale Locale for translation.
*/
public static function remove_translation( $project = '', $locale = '' ) {
$reply_data = array();
if ( ( ! empty( $project ) ) && ( ! empty( $locale ) ) ) {
if ( self::is_language_directory_writable( $project ) ) {
$translation_set = self::project_get_available_translations( $project, $locale );
if ( ( isset( $translation_set['links'] ) ) && ( ! empty( $translation_set['links'] ) ) ) {
foreach ( $translation_set['links'] as $link_key => $link_url ) {
/** This filter is documented in includes/class-ld-translations.php */
$url_args = apply_filters( 'learndash_translations_url_args', array() );
$dest_filename = self::get_language_directory( $project, false ) . $project . '-' . $locale . '.' . $link_key;
if ( file_exists( $dest_filename ) ) {
unlink( $dest_filename );
$reply_data['status'] = true;
$reply_data['message'] = '<p>' . sprintf(
// translators: placeholders: Language Name, Language code.
esc_html_x( 'Translation removed: %1$s (%2$s)', 'placeholders: Language Name, Language code', 'learndash' ),
$translation_set['english_name'],
$translation_set['wp_locale']
) . '</p>';
}
}
}
}
}
return $reply_data;
}
/**
* Refresh Translations
*/
public static function refresh_translations() {
$ld_translations = get_option( self::$options_key );
$ld_translations['last_check'] = 0;
update_option( self::$options_key, $ld_translations );
self::get_available_translations();
}
/**
* Show translations metabox for Project Slug.
*/
public function show_meta_box() {
if ( ! empty( $this->project_slug ) ) {
$this->installed_translations = self::get_installed_translations( $this->project_slug );
$this->available_translations = self::get_available_translations( $this->project_slug );
?>
<div id="wrap-ld-translations-<?php echo esc_attr( $this->project_slug ); ?>" class="wrap wrap-ld-translations">
<?php
if ( ( ! empty( $this->available_translations ) ) || ( ! empty( $this->installed_translations ) ) ) {
$this->show_installed_translations();
$this->show_available_translations();
} else {
?>
<p><?php esc_html_e( 'No translations available for this plugin.', 'learndash' ); ?></p>
<?php
}
?>
</div>
<?php
}
}
/**
* Get available translations for project.
*
* @param string $project Project Slug.
* @param boolean $force Force update.
*/
public static function get_available_translations( $project = '', $force = false ) {
if ( ! empty( self::$project_slugs ) ) {
$ld_translations = get_option( self::$options_key, null );
if ( ! isset( $ld_translations['last_check'] ) ) {
$ld_translations['last_check'] = time() - ( LEARNDASH_TRANSLATIONS_URL_CACHE + 1 );
} elseif ( ( isset( $_GET['action'] ) ) && ( 'refresh' === $_GET['action'] ) ) {
if ( ( isset( $_GET['ld-translation-nonce'] ) ) && ( ! empty( $_GET['ld-translation-nonce'] ) ) && ( wp_verify_nonce( $_GET['ld-translation-nonce'], 'ld-translation-refresh' ) ) ) {
$ld_translations['last_check'] = time() - ( LEARNDASH_TRANSLATIONS_URL_CACHE + 1 );
}
}
$time_diff = abs( time() - intval( $ld_translations['last_check'] ) );
if ( ( true === $force ) || ( $time_diff > LEARNDASH_TRANSLATIONS_URL_CACHE ) ) {
$project_slugs = implode( ',', array_keys( self::$project_slugs ) );
$url = add_query_arg(
array(
'ldlms-glotpress' => 1,
'action' => 'translation_sets',
'project' => $project_slugs,
),
trailingslashit( LEARNDASH_TRANSLATIONS_URL_BASE )
);
$url_args = array( 'timeout' => 10 );
/** This filter is documented in includes/class-ld-translations.php */
$url_args = apply_filters( 'learndash_translations_url_args', $url_args );
$response = wp_remote_get( $url, $url_args );
if ( ( is_array( $response ) ) && ( wp_remote_retrieve_response_code( $response ) == '200' ) ) {
$response_body = wp_remote_retrieve_body( $response );
if ( ! empty( $response_body ) ) {
$ld_translation_sets = json_decode( $response_body, true );
$ld_translation = array(
'last_check' => time(),
'translation_sets' => $ld_translation_sets,
);
update_option( self::$options_key, $ld_translation );
}
}
}
if ( ! empty( $project ) ) {
if ( ( isset( $ld_translations['translation_sets'][ $project ] ) ) && ( ! empty( $ld_translations['translation_sets'][ $project ] ) ) ) {
return $ld_translations['translation_sets'][ $project ];
}
}
}
}
/**
* Show installed translations
*/
public function show_installed_translations() {
$pot_file = self::get_language_directory( $this->project_slug, false ) . '' . $this->project_slug . '.pot';
if ( file_exists( $pot_file ) ) {
?>
<p style="float:right"><?php esc_html_e( 'Download the original strings (POT) File.', 'learndash' ); ?>
<a id="learndash-translations-pot-file-<?php echo esc_attr( $this->project_slug ); ?>" class="button button-secondary learndash-translations-pot-file" href="<?php echo esc_url( self::get_action_url( 'pot_download', esc_attr( $this->project_slug ) ) ); ?>" title="<?php esc_html_e( 'Download POT File from your server.', 'learndash' ); ?>"><span class="dashicons dashicons-download"></span><?php esc_html_e( 'POT', 'learndash' ); ?></a>
</p><div style="clear:both"></div>
<?php
}
?>
<h4><?php esc_html_e( 'Installed Translations', 'learndash' ); ?></h4>
<table class="ld-installed-translations wp-list-table widefat fixed striped posts">
<thead>
<tr>
<th class="column-locale"><?php esc_html_e( 'Locale', 'learndash' ); ?></th>
<th class="column-title"><?php esc_html_e( 'Name / Native', 'learndash' ); ?></th>
<th class="column-actions-local"><?php esc_html_e( 'Download', 'learndash' ); ?></th>
<th class="column-action-remote"><?php esc_html_e( 'Actions', 'learndash' ); ?></th>
</tr>
</thead>
<tbody>
<?php
if ( ( is_array( $this->available_translations ) ) && ( ! empty( $this->available_translations ) ) && ( is_array( $this->installed_translations ) ) && ( ! empty( $this->installed_translations ) ) ) {
foreach ( $this->available_translations as $idx => $translation_set ) {
$translation_locale = $translation_set['wp_locale'];
if ( isset( $this->installed_translations[ $translation_locale ] ) ) {
$installed_set = $this->installed_translations[ $translation_locale ];
$this->show_installed_translation_row( $translation_locale, $translation_set, $installed_set );
}
}
foreach ( $this->installed_translations as $installed_locale => $installed_set ) {
$install_matched = false;
foreach ( $this->available_translations as $idx => $translation_set ) {
$translation_locale = $translation_set['wp_locale'];
if ( $translation_locale == $installed_locale ) {
$install_matched = true;
break;
}
}
if ( ! $install_matched ) {
$this->show_installed_translation_row( $installed_locale, null, $installed_set );
}
}
} else {
?>
<tr>
<td colspan="4"><?php echo esc_html__( 'No Translations installed', 'learndash' ); ?></td>
</tr>
<?php
}
?>
</tbody>
</table>
<p>
<?php
echo sprintf(
// translators: placeholder: Language directory.
esc_html_x( 'All translations are stored into the directory: %s', 'placeholder: Language directory', 'learndash' ),
'<code>' . esc_attr( '<site root>' ) . esc_attr( self::get_language_directory( $this->project_slug, true ) ) . '</code>'
);
?>
<?php
if ( ! self::is_language_directory_writable( $this->project_slug ) ) {
?>
<br /><span class="error"><?php esc_html_e( 'The language directory is not writable', 'learndash' ); ?></span>
<?php
}
?>
</p>
<?php
}
/**
* Show installed translations row.
*
* @param string $locale Locale.
* @param mixed $translation_set Array of translations.
* @param mixed $installed_set Array of installed translations.
*/
public function show_installed_translation_row( $locale = '', $translation_set = null, $installed_set = null ) {
if ( ! empty( $locale ) ) {
?>
<tr>
<td class="column-locale"><?php echo esc_attr( $locale ); ?></td>
<td class="column-title">
<?php
if ( ! is_null( $translation_set ) ) {
echo esc_html( $translation_set['english_name'] ) . '/' . esc_html( $translation_set['native_name'] );
} else {
esc_html_e( 'Not from LearnDash', 'learndash' );
}
?>
</td>
<td class="column-actions-local">
<?php
if ( isset( $installed_set['po'] ) ) {
?>
<a id="learndash-translations-po-file-<?php echo esc_attr( $locale ); ?>" class="button button-secondary learndash-translations-po-file" href="<?php echo esc_url( self::get_action_url( 'po_download', $this->project_slug, $locale ) ); ?>" title="<?php esc_html_e( 'Download PO File from your server.', 'learndash' ); ?>"><span class="dashicons dashicons-download"></span><?php esc_html_e( 'PO', 'learndash' ); ?></a>
<?php
}
?>
</td>
<td class="column-actions-remote">
<a id="learndash-translations-<?php echo esc_attr( $this->project_slug ); ?>-<?php echo esc_attr( $locale ); ?>-remove" class="button button-secondary learndash-translations-remove" href="<?php echo esc_url( self::get_action_url( 'remove', $this->project_slug, $locale ) ); ?>" title="<?php esc_html_e( 'Remove translation from server', 'learndash' ); ?>"><span class="dashicons dashicons-trash"></span></a>
<?php
if ( ! is_null( $translation_set ) ) {
?>
<a href="<?php echo esc_url( self::get_action_url( 'update', $this->project_slug, $locale ) ); ?>" class="button button-primary learndash-translations-update" title="<?php esc_html_e( 'Update translation from LearnDash', 'learndash' ); ?>"><?php esc_html_e( 'Update', 'learndash' ); ?></a>
<?php
}
?>
</td>
</tr>
<?php
}
}
/**
* Show available translations.
*/
public function show_available_translations() {
$wp_languages = get_available_languages();
if ( empty( $wp_languages ) ) {
$wp_languages = array();
}
if ( ! in_array( 'en_US', $wp_languages, true ) ) {
$wp_languages = array_merge( array( 'en_US' ), $wp_languages );
}
// Taken from options-general.php.
if ( ! is_multisite() && defined( 'WPLANG' ) && '' !== WPLANG && 'en_US' !== WPLANG && ! in_array( WPLANG, $wp_languages, true ) ) {
$wp_languages[] = WPLANG;
}
$wp_locale = get_locale();
if ( ( ! empty( $wp_locale ) ) && ( ! in_array( $wp_locale, $wp_languages, true ) ) ) {
$wp_languages[] = $wp_locale;
}
if ( ( is_array( $this->available_translations ) ) && ( ! empty( $this->available_translations ) ) ) {
$available_translations = array();
$available_translations['recommended'] = array();
$available_translations['available'] = array();
// First we split into buckets based on languages installed to WP.
foreach ( $this->available_translations as $translation_set ) {
if ( ! isset( $this->installed_translations[ $translation_set['wp_locale'] ] ) ) {
if ( in_array( $translation_set['wp_locale'], $wp_languages, true ) === true ) {
$available_translations['recommended'][ $translation_set['wp_locale'] ] = $translation_set;
} else {
$available_translations['available'][ $translation_set['wp_locale'] ] = $translation_set;
}
}
}
if ( ( ! empty( $available_translations['recommended'] ) ) || ( ! empty( $available_translations['available'] ) ) ) {
?>
<div id="learndash-translations-available">
<h4><?php esc_html_e( 'Available Translations', 'learndash' ); ?></h4>
<select id="ld-translation-install-locale-<?php echo esc_attr( $this->project_slug ); ?>" class="ld-translation-install-locale" data-project="<?php echo esc_attr( $this->project_slug ); ?>">
<option value=""><?php esc_html_e( '-- Install Translation --', 'learndash' ); ?></option>
<?php
$show_opt_group = false;
if ( ( ! empty( $available_translations['recommended'] ) ) && ( ! empty( $available_translations['available'] ) ) ) {
$show_opt_group = true;
}
if ( ! empty( $available_translations['recommended'] ) ) {
if ( $show_opt_group ) {
?>
<optgroup label="<?php esc_html_e( 'Recommended', 'learndash' ); ?>">
<?php
}
foreach ( $available_translations['recommended'] as $translation_set ) {
?>
<option value="<?php echo esc_url( self::get_action_url( 'install', $this->project_slug, $translation_set['wp_locale'] ) ); ?>"><?php echo esc_html( $translation_set['english_name'] ) . ' / ' . esc_html( $translation_set['native_name'] ) . ' (' . esc_html( $translation_set['wp_locale'] ) . ')'; ?></option>
<?php
}
if ( $show_opt_group ) {
?>
</optgroup>
<?php
}
}
if ( ! empty( $available_translations['available'] ) ) {
if ( $show_opt_group ) {
?>
<optgroup label="<?php esc_html_e( 'Available', 'learndash' ); ?>">
<?php
}
foreach ( $available_translations['available'] as $translation_set ) {
?>
<option value="<?php echo esc_url( self::get_action_url( 'install', $this->project_slug, $translation_set['wp_locale'] ) ); ?>"><?php echo esc_html( $translation_set['english_name'] ) . ' / ' . esc_html( $translation_set['native_name'] ) . ' (' . esc_html( $translation_set['wp_locale'] ) . ')'; ?></option>
<?php
}
if ( $show_opt_group ) {
?>
</optgroup>
<?php
}
}
?>
</select>
<a id="learndash-translation-install-<?php echo esc_attr( $this->project_slug ); ?>" class="button button-primary learndash-translations-install" href="#"><?php esc_html_e( 'Install', 'learndash' ); ?></a>
</div>
<?php
}
}
}
/**
* Get installed translations.
*
* @param string $project_slug Translation project slug.
*/
public static function get_installed_translations( $project_slug = '' ) {
$translation_files = array();
if ( ! empty( $project_slug ) ) {
$languages_plugins_dir = self::get_language_directory( $project_slug, false );
$languages_plugins_dir_mo = $languages_plugins_dir . $project_slug . '-*.mo';
$mo_files = glob( $languages_plugins_dir_mo );
if ( ! empty( $mo_files ) ) {
foreach ( $mo_files as $mo_file ) {
$mo_file = basename( $mo_file );
$mo_file_local = str_replace( array( $project_slug . '-', '.mo' ), '', $mo_file );
if ( ! empty( $mo_file_local ) ) {
if ( ! isset( $translation_files[ $mo_file_local ] ) ) {
$translation_files[ $mo_file_local ] = array();
$translation_files[ $mo_file_local ]['mo'] = $mo_file;
$translation_files[ $mo_file_local ]['mo_mtime'] = filemtime( $languages_plugins_dir . $mo_file );
$po_file = str_replace( '.mo', '.po', $mo_file );
$languages_plugins_dir_po = $languages_plugins_dir . $po_file;
if ( file_exists( $languages_plugins_dir_po ) ) {
$translation_files[ $mo_file_local ]['po'] = $po_file;
$translation_files[ $mo_file_local ]['po_mtime'] = filemtime( $languages_plugins_dir . $po_file );
}
}
}
}
}
}
return $translation_files;
}
/**
* Log debug message
*
* @param string $message Message.
*/
public static function log_debug_message( $message = '' ) {
self::$debug_log_array[] = $message;
}
/**
* Show debug log output
*/
public static function show_debug_log_output() {
if ( ! empty( self::$debug_log_array ) ) {
foreach ( self::$debug_log_array as $message ) {
echo '<br />' . esc_html( $message );
}
}
}
// End of functions.
}
}