/**
* Hooks the WP admin_init action to redirect any requests accessing
* content which is not in the current language.
*
* @return void
**/
function bbl_admin_init()
{
global $pagenow;
$taxonomy = isset($_GET['taxonomy']) ? sanitize_text_field($_GET['taxonomy']) : false;
$post_type = isset($_GET['post_type']) ? sanitize_text_field($_GET['post_type']) : false;
// Deal with the special URL case of the listing screens for vanilla posts
if (!$post_type && 'edit.php' == $pagenow) {
$post_type = 'post';
}
$cur_lang_code = bbl_get_current_lang_code();
if ($taxonomy) {
$new_taxonomy = bbl_get_taxonomy_in_lang($taxonomy, $cur_lang_code);
if ($taxonomy != $new_taxonomy) {
$url = add_query_arg(array('taxonomy' => rawurlencode($new_taxonomy)));
wp_safe_redirect($url);
exit;
}
}
if ($post_type) {
$new_post_type = bbl_get_post_type_in_lang($post_type, $cur_lang_code);
if ($post_type != $new_post_type) {
$url = add_query_arg(array('post_type' => rawurlencode($new_post_type)));
wp_safe_redirect($url);
exit;
}
}
}
/**
* Hooks the Babble bbl_pre_sync_properties filter to
* log any changes to parent. We're not making changes
* to the data, just logging significant changes for
* debug purposes.
*
* @param array $postdata The data which will be applied to the post as part of the sync
* @param int $origin_id The ID of the post we are syncing from
* @return array The data which will be applied to the post as part of the sync
**/
public function pre_sync_properties($postdata, $origin_id)
{
$current_post = get_post($postdata['ID']);
if ($current_post->post_parent != $postdata['post_parent']) {
$user = wp_get_current_user();
$remote_ip = $_SERVER['REMOTE_ADDR'];
$referer = $_SERVER['HTTP_REFERER'];
$lang = bbl_get_current_lang_code();
$origin_lang = bbl_get_post_lang_code($origin_id);
bbl_log("Babble: {$user->user_login} has changed {$postdata['ID']} parent from {$current_post->post_parent} ({$current_post->post_type}) to {$postdata['post_parent']}. \tOrigin: {$origin_id}. Origin lang: {$origin_lang}. IP {$remote_ip}. User lang: {$lang}. Referer {$referer}.", true);
}
return $postdata;
}
/**
* Takes a set of query vars and amends them to show the content
* in the current language.
*
* @param array $query_vars A set of WordPress query vars (sometimes called query arguments)
* @param string|boolean $request If this is called on the parse_request hook, $request contains the root relative URL
* @return array $query_vars A set of WordPress query vars
**/
protected function translate_query_vars(array $query_vars, $request = false)
{
// Sequester the original query, in case we need it to get the default content later
$query_vars['bbl_original_query'] = $query_vars;
// We've done this already (avoid re-translating the vars)
if (isset($query_vars['bbl_done_translation']) && $query_vars['bbl_done_translation']) {
return $query_vars;
}
$query_vars['bbl_done_translation'] = true;
$lang_url_prefix = isset($query_vars['lang_url_prefix']) ? $query_vars['lang_url_prefix'] : get_query_var('lang_url_prefix');
$lang = isset($query_vars['lang']) ? $query_vars['lang'] : get_query_var('lang');
// Detect language specific homepages
if ($request == $lang_url_prefix) {
// This is running in Admin, and as such seems to be f*****g up the menus. Idk when this became an issue.
if (isset($query_vars['post_type']) && 'nav_menu_item' == $query_vars['post_type']) {
return $query_vars;
}
unset($query_vars['error']);
// @FIXME: Cater for front pages which don't list the posts
if ('page' == get_option('show_on_front') && ($page_on_front = get_option('page_on_front'))) {
// @TODO: Get translated page ID
$query_vars['p'] = $this->get_post_in_lang($page_on_front, bbl_get_current_lang_code())->ID;
$query_vars['post_type'] = $this->get_post_type_in_lang('page', bbl_get_current_lang_code());
return $query_vars;
}
// Trigger the archive listing for the relevant shadow post type
// of 'post' for this language.
if (bbl_get_default_lang_code() != $lang && empty($query_vars['s'])) {
$post_type = isset($query_vars['post_type']) ? $query_vars['post_type'] : 'post';
$query_vars['post_type'] = $this->get_post_type_in_lang($post_type, bbl_get_current_lang_code());
}
return $query_vars;
}
// If we're asking for the default content, it's fine
if (bbl_get_default_lang_code() == $lang) {
return $query_vars;
}
// Now swap the query vars so we get the content in the right language post_type
// @FIXME: Do I need to change $wp->matched query? I think $wp->matched_rule is fine?
// @FIXME: Danger of post type slugs clashing??
if (isset($query_vars['pagename']) && $query_vars['pagename']) {
// Substitute post_type for
$query_vars['name'] = $query_vars['pagename'];
$query_vars[bbl_get_post_type_in_lang('page', $query_vars['lang'])] = $query_vars['pagename'];
$query_vars['post_type'] = bbl_get_post_type_in_lang('page', bbl_get_current_lang_code());
// Trigger a listing of translated posts if this is meant to
// be the blog page.
if ('page' == get_option('show_on_front')) {
// Test if the current page is in the same translation group as
// the 'page_for_posts.
$current_post = get_page_by_path($query_vars['pagename'], null, $query_vars['post_type']);
if ($this->get_transid(get_option('page_for_posts')) == $this->get_transid($current_post)) {
$query_vars['post_type'] = bbl_get_post_type_in_lang('post', bbl_get_current_lang_code());
unset($query_vars['name']);
unset($query_vars[bbl_get_post_type_in_lang('page', $query_vars['lang'])]);
}
}
unset($query_vars['page']);
unset($query_vars['pagename']);
} elseif (isset($query_vars['year']) && $query_vars['year']) {
// @FIXME: This is not a reliable way to detect queries for the 'post' post_type.
$query_vars['post_type'] = bbl_get_post_type_in_lang('post', bbl_get_current_lang_code());
} elseif (isset($query_vars['post_type'])) {
if (is_array($query_vars['post_type'])) {
$new_post_types = array();
foreach ($query_vars['post_type'] as $post_type) {
$new_post_types[] = bbl_get_post_type_in_lang($post_type, bbl_get_current_lang_code());
}
$query_vars['post_type'] = $new_post_types;
} else {
$query_vars['post_type'] = bbl_get_post_type_in_lang($query_vars['post_type'], bbl_get_current_lang_code());
}
} else {
// @FIXME: A solution to the plugin's inability to translate base posts AND pages.
global $wpdb;
$query_slug = !empty($query_vars['name']) ? $query_vars['name'] : $query_vars['attachment'];
$request_language = strtolower(bbl_get_current_lang_code());
$results = $wpdb->get_row("SELECT * FROM {$wpdb->posts} WHERE {$wpdb->posts}.post_name='{$query_slug}' AND post_type LIKE '%{$request_language}' ", OBJECT);
if ($results && !is_wp_error($results) && !empty($results->post_type)) {
$query_vars['post_type'] = $results->post_type;
} else {
$query_vars['post_type'] = bbl_get_post_type_in_lang('post', bbl_get_current_lang_code());
}
}
return $query_vars;
}
/**
* Returns the link to a post type in a particular language.
*
* @param string $post_type A post type for which you want a translated archive link
* @param string $lang_code The code for the language the link is requested in
* @return void
**/
function bbl_get_post_type_archive_link_in_lang($post_type, $lang_code = null)
{
if (is_null($lang_code)) {
$lang_code = bbl_get_current_lang_code();
}
bbl_switch_to_lang($lang_code);
$lang_post_type = bbl_get_post_type_in_lang($post_type, $lang_code);
$link = get_post_type_archive_link($lang_post_type);
bbl_restore_lang();
return apply_filters('bbl_post_type_archive_link_in_lang', $link);
}
/**
* Add a link to an arbitrary link, e.g. 404, within the site.
*
* @param object $lang A Babble language object for this link
* @return void
**/
protected function add_arbitrary_link($lang)
{
$classes = array();
if (!preg_match('|^/[^/]+/(.*)?|', $_SERVER['REQUEST_URI'], $matches)) {
return;
}
bbl_switch_to_lang($lang->code);
$href = home_url($matches[1]);
bbl_restore_lang();
$href = apply_filters('bbl_switch_arbitrary_link', $href, $lang);
$title = sprintf(__('Switch to %s', 'babble'), $lang->display_name);
$classes[] = 'bbl-existing';
$classes[] = 'bbl-existing-term';
$classes[] = "bbl-lang-{$lang->code} bbl-lang-{$lang->url_prefix}";
$classes[] = 'bbl-lang';
$classes[] = 'bbl-term';
if ($lang == bbl_get_current_lang_code()) {
$classes[] = 'bbl-active';
}
$this->links[$lang->code] = array('classes' => $classes, 'href' => $href, 'id' => $lang->url_prefix, 'meta' => array('class' => strtolower(join(' ', array_unique($classes)))), 'title' => $title, 'lang' => $lang);
}
/**
* Takes a set of query vars and amends them to show the content
* in the current language.
*
* @param array $query_vars A set of WordPress query vars (sometimes called query arguments)
* @param string|boolean $request If this is called on the parse_request hook, $request contains the root relative URL
* @return array $query_vars A set of WordPress query vars
**/
protected function translate_query_vars(array $query_vars, $request = false)
{
// Sequester the original query, in case we need it to get the default content later
$query_vars['bbl_original_query'] = $query_vars;
// We've done this already (avoid re-translating the vars)
if (isset($query_vars['bbl_done_translation']) && $query_vars['bbl_done_translation']) {
return $query_vars;
}
$query_vars['bbl_done_translation'] = true;
$lang_url_prefix = isset($query_vars['lang_url_prefix']) ? $query_vars['lang_url_prefix'] : get_query_var('lang_url_prefix');
$lang = isset($query_vars['lang']) ? $query_vars['lang'] : get_query_var('lang');
// Detect language specific homepages
if ($request == $lang_url_prefix) {
unset($query_vars['error']);
// @FIXME: Cater for front pages which don't list the posts
if ('page' == get_option('show_on_front') && ($page_on_front = get_option('page_on_front'))) {
// @TODO: Get translated page ID
$query_vars['p'] = $this->get_post_in_lang($page_on_front, bbl_get_current_lang_code())->ID;
$query_vars['post_type'] = $this->get_post_type_in_lang('page', bbl_get_current_lang_code());
return $query_vars;
}
// Trigger the archive listing for the relevant shadow post type
// of 'post' for this language.
if (bbl_get_default_lang_code() != $lang && empty($query_vars['s'])) {
$post_type = isset($query_vars['post_type']) ? $query_vars['post_type'] : 'post';
$query_vars['post_type'] = $this->get_post_type_in_lang($post_type, bbl_get_current_lang_code());
}
return $query_vars;
}
// If we're asking for the default content, it's fine
if (bbl_get_default_lang_code() == $lang) {
return $query_vars;
}
// Now swap the query vars so we get the content in the right language post_type
// @FIXME: Do I need to change $wp->matched query? I think $wp->matched_rule is fine?
// @FIXME: Danger of post type slugs clashing??
if (isset($query_vars['pagename']) && $query_vars['pagename']) {
// Substitute post_type for
$query_vars['name'] = $query_vars['pagename'];
$query_vars[bbl_get_post_type_in_lang('page', $query_vars['lang'])] = $query_vars['pagename'];
$query_vars['post_type'] = bbl_get_post_type_in_lang('page', bbl_get_current_lang_code());
// Trigger a listing of translated posts if this is meant to
// be the blog page.
if ('page' == get_option('show_on_front')) {
// Test if the current page is in the same translation group as
// the 'page_for_posts.
$current_post = get_page_by_path($query_vars['pagename'], null, $query_vars['post_type']);
if ($this->get_transid(get_option('page_for_posts')) == $this->get_transid($current_post)) {
$query_vars['post_type'] = bbl_get_post_type_in_lang('post', bbl_get_current_lang_code());
unset($query_vars['name']);
unset($query_vars[bbl_get_post_type_in_lang('page', $query_vars['lang'])]);
}
}
unset($query_vars['page']);
unset($query_vars['pagename']);
} elseif (isset($query_vars['year']) && $query_vars['year']) {
// @FIXME: This is not a reliable way to detect queries for the 'post' post_type.
$query_vars['post_type'] = bbl_get_post_type_in_lang('post', bbl_get_current_lang_code());
} elseif (isset($query_vars['post_type'])) {
if (is_array($query_vars['post_type'])) {
$new_post_types = array();
foreach ($query_vars['post_type'] as $post_type) {
$new_post_types[] = bbl_get_post_type_in_lang($post_type, bbl_get_current_lang_code());
}
$query_vars['post_type'] = $new_post_types;
} else {
$query_vars['post_type'] = bbl_get_post_type_in_lang($query_vars['post_type'], bbl_get_current_lang_code());
}
} else {
$query_vars['post_type'] = bbl_get_post_type_in_lang('post', bbl_get_current_lang_code());
}
return $query_vars;
}
/**
* Hooks the WP filter get_edit_post_link
*
* @filter get_edit_post_link
* @param string $url The edit post link URL
* @param int $post_ID The ID of the post to edit
* @param string $context The link context.
*
* @return string The edit post link URL
* @author Simon Wheatley
**/
public function get_edit_post_link($url, $post_ID, $context)
{
if ($this->no_recursion) {
return $url;
}
if (bbl_get_default_lang_code() == bbl_get_post_lang_code($post_ID)) {
return $url;
}
$completed_jobs = $this->get_completed_post_jobs(bbl_get_default_lang_post($post_ID));
if (!isset($completed_jobs[bbl_get_current_lang_code()])) {
return $url;
}
$job = $completed_jobs[bbl_get_current_lang_code()];
if (!current_user_can('publish_post', $job->ID)) {
return $url;
}
$this->no_recursion = true;
$url = get_edit_post_link($completed_jobs[bbl_get_current_lang_code()]->ID);
$this->no_recursion = false;
return $url;
}
/**
* Returns a slug translated into a particular language.
*
* @TODO: This is more or less the same method as Babble_Post_Public::get_taxonomy_lang_code, do I need to DRY that up?
*
* @param string $slug The slug to translate
* @param string $lang_code The language code for the required language (optional, defaults to current)
* @return string A translated slug
**/
public function get_slug_in_lang($slug, $lang_code = null)
{
if (is_null($lang_code)) {
$lang_code = bbl_get_current_lang_code();
}
$_slug = mb_strtolower(apply_filters('bbl_translate_taxonomy_slug', $slug, $lang_code));
// @FIXME: For some languages the translation might be the same as the original
if ($_slug && $_slug != $slug) {
return $_slug;
}
// Do we need to check that the slug is unique at this point?
return mb_strtolower("{$_slug}_{$lang_code}");
}