/**
* If the user leaves certain meta info blank, forcefully fill it with our own
*
* @param int $pid
* @param \WP_Post $post
*/
function add_required_data($pid, $post)
{
$pb_author = get_post_meta($pid, 'pb_author', true);
if (!$pb_author) {
// if the pb_author metadata value is not set, set it to the primary book user's name
if (0 !== get_current_user_id()) {
/** @var $user_info \WP_User */
$user_info = get_userdata(get_current_user_id());
$name = $user_info->display_name;
update_post_meta($pid, 'pb_author', $name);
}
}
$pb_language = get_post_meta($pid, 'pb_language', true);
if (!$pb_language) {
// if the pb_language metadata value is not set, set it to the network default
$locale = get_site_option('WPLANG');
$locale = array_search($locale, \PressBooks\L10n\wplang_codes());
if (!$locale) {
$locale = 'en';
}
update_post_meta($pid, 'pb_language', $locale);
}
$pb_cover_image = get_post_meta($pid, 'pb_cover_image', true);
if (!$pb_cover_image) {
// if the pb_cover_image metadata value is not set, set it to the default image
update_post_meta($pid, 'pb_cover_image', \PressBooks\Image\default_cover_url());
}
}
/**
* Hook for add_filter('locale ', ...), change the user interface language
*
* @param string $lang
*
* @return string
*/
function set_locale($lang)
{
// Cheap cache
static $loc = '__UNSET__';
if (is_admin()) {
// go with the user setting
// get_current_user_id uses wp_get_current_user which may not be available the first time(s) get_locale is called
if ('__UNSET__' == $loc && function_exists('wp_get_current_user')) {
$loc = get_user_option('user_interface_lang');
}
} elseif ($GLOBALS['pagenow'] == 'wp-signup.php') {
// use global setting
$loc = get_site_option('WPLANG');
} else {
// go with the book info setting
$metadata = \PressBooks\Book::getBookInformation();
if ('__UNSET__' == $loc && !empty($metadata['pb_language'])) {
$locations = \PressBooks\L10n\wplang_codes();
$loc = $locations[$metadata['pb_language']];
}
}
// Return
if ('__UNSET__' == $loc) {
return $lang;
} else {
return $loc ? $loc : $lang;
}
}
/**
* @covers \PressBooks\L10n\wplang_codes
*/
public function test_wplang_codes()
{
$wplang_codes = \PressBooks\L10n\wplang_codes();
$this->assertTrue(is_array($wplang_codes));
}
