Vladimir Bryzgalov
101 lines
3.0 KiB
PHP
101 lines
3.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace WPMultiCity;
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final class Router
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{
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public static function register(): void
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{
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\add_action('wp', [self::class, 'route'], 9999);
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\add_filter('query_vars', [self::class, 'add_town_query_var']);
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}
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public static function add_town_query_var(array $vars): array
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{
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$vars[] = 'town';
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return $vars;
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}
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public static function route(): void
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{
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if (\is_admin()) {
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return;
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}
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if (\defined('DOING_AJAX') && \DOING_AJAX) {
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return;
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}
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$town_slug = Helpers::current_town();
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if ($town_slug === null) {
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return;
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}
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$main = Helpers::main_town_slug();
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if ($main !== null && $town_slug === $main) {
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return;
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}
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$request_uri = $_SERVER['REQUEST_URI'] ?? '/';
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if (!Helpers::is_routable_path($request_uri)) {
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return;
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}
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$url_original = self::strip_town_prefix($request_uri, $town_slug);
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if (self::is_root($url_original)) {
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$term = Helpers::get_term_by_slug($town_slug);
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if ($term === null) {
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return;
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}
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$page_id = 0;
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if (\function_exists('get_field')) {
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$page_id = (int) (\get_field('main_page_alt', 'town_' . $term->term_id) ?? 0);
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}
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if (!$page_id) {
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$fallback = Helpers::index_town_alt_page_id();
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if ($fallback === null) {
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return;
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}
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$page_id = $fallback;
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}
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self::install_query($page_id, $town_slug, true);
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return;
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}
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$page_id = \url_to_postid($url_original);
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if (!$page_id) {
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return;
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}
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$swap = Helpers::page_unic_swap($page_id, $town_slug);
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if ($swap !== null) {
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$page_id = $swap;
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}
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self::install_query($page_id, $town_slug, false);
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}
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private static function strip_town_prefix(string $uri, string $town_slug): string
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{
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$path = strtok($uri, '?');
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$query = (strpos($uri, '?') !== false) ? substr($uri, strpos($uri, '?')) : '';
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$new_path = preg_replace('#^/' . preg_quote($town_slug, '#') . '(/|$)#', '/', (string) $path);
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return ($new_path ?? '/') . $query;
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}
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private static function is_root(string $url): bool
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{
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$path = strtok($url, '?');
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return $path === '/' || $path === false || $path === '';
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}
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private static function install_query(int $page_id, string $town_slug, bool $is_front_page): void
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{
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global $wp_query, $wp_the_query, $post;
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$post = \get_post($page_id);
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$wp_query = new \WP_Query(['page_id' => $page_id, 'town' => $town_slug]);
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$wp_query->is_page = true;
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if ($is_front_page) {
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$wp_query->is_front_page = true;
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}
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$wp_the_query = $wp_query;
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\status_header(200);
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}
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}
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