164 lines
5.3 KiB
PHP
164 lines
5.3 KiB
PHP
<?php
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/**
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* Plugin Name: Door Status Indicator
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* Plugin URI: https://example.com/
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* Description: Lightweight, dependency‑free plugin that polls a JSON endpoint (default: https://nodered.jfig.net/api/v1/door-open), caches the value for a few seconds, and shows a real‑time door open/closed indicator (🟢/🔴) via the [door_status] shortcode and the Admin Bar.
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* Version: 1.1.1
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* Author: J (ChatGPT helper)
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* Author URI: https://example.com/
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* License: GPL v2 or later
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* License URI: https://www.gnu.org/licenses/gpl-2.0.html
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* Text Domain: door-status-indicator
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/*
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|--------------------------------------------------------------------------
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| Configuration
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|--------------------------------------------------------------------------
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| Constants are expected in door-status-config.php located in the same
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| directory. If that file is missing, sane defaults are used so the plugin
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| still works out‑of‑the‑box.
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*/
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$config_file = plugin_dir_path( __FILE__ ) . 'door-status-config.php';
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if ( file_exists( $config_file ) ) {
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require_once $config_file;
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}
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// Fallback defaults (only if not already defined by the config file).
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! defined( 'DSI_API_URL' ) && define( 'DSI_API_URL', 'https://nodered.jfig.net/api/v1/door-open' );
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! defined( 'DSI_CACHE_KEY' ) && define( 'DSI_CACHE_KEY', 'dsi_door_open_status' );
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! defined( 'DSI_CACHE_TTL' ) && define( 'DSI_CACHE_TTL', 10 ); // seconds
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/*
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|--------------------------------------------------------------------------
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| Core – fetch & cache
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|--------------------------------------------------------------------------
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*/
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/**
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* Retrieves door‑open status (boolean) with transient caching.
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*
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* Supported JSON payloads (any case):
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* – true / false (bare boolean)
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* – {"open": true}
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* – {"doorOpen": true}
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*
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* @return bool True if open, false if closed (or on error).
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*/
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function dsi_get_status() : bool {
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$cached = get_transient( DSI_CACHE_KEY );
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if ( false !== $cached ) {
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return (bool) $cached;
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}
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$response = wp_remote_get( DSI_API_URL, [
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'timeout' => 3,
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'user-agent' => 'DoorStatusIndicator/1.1.1 (+https://wordpress.org/)',
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] );
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if ( is_wp_error( $response ) ) {
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set_transient( DSI_CACHE_KEY, false, DSI_CACHE_TTL );
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return false;
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}
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$body = wp_remote_retrieve_body( $response );
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$decoded = json_decode( $body, true );
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$status = false; // default to closed
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if ( is_bool( $decoded ) ) {
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$status = $decoded;
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} elseif ( is_array( $decoded ) ) {
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if ( isset( $decoded['open'] ) ) {
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$status = (bool) $decoded['open'];
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} elseif ( isset( $decoded['doorOpen'] ) ) {
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$status = (bool) $decoded['doorOpen'];
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}
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}
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set_transient( DSI_CACHE_KEY, $status, DSI_CACHE_TTL );
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return $status;
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}
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/*
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|--------------------------------------------------------------------------
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| Shortcode [door_status]
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|--------------------------------------------------------------------------
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*/
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function dsi_shortcode() : string {
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$open = dsi_get_status();
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$emoji = $open ? '<div class="door-status-indicator open">🟢 Open</div>' : '<div class="door-status-indicator closed">🔴 Closed</div>';
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return sprintf(
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'<span class="door-status-indicator" aria-label="Door is %s">%s</span>',
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$open ? 'open' : 'closed',
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$emoji
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);
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}
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add_shortcode( 'door_status', 'dsi_shortcode' );
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/*
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|--------------------------------------------------------------------------
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| Admin Bar indicator
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|--------------------------------------------------------------------------
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*/
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function dsi_admin_bar( WP_Admin_Bar $bar ) : void {
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if ( ! current_user_can( 'read' ) ) {
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return; // Logged‑in users only.
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}
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$open = dsi_get_status();
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$emoji = $open ? '🟢' : '🔴';
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$text = $open ? __( 'Door Open', 'door-status-indicator' ) : __( 'Door Closed', 'door-status-indicator' );
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$bar->add_node( [
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'id' => 'door-status-indicator',
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'title' => "$emoji $text",
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'href' => '#',
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'meta' => [ 'title' => $text ],
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] );
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}
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add_action( 'admin_bar_menu', 'dsi_admin_bar', 1000 );
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/*
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|--------------------------------------------------------------------------
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| Front‑end inline CSS (kept minimal)
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|--------------------------------------------------------------------------
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*/
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/**
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* Front-end + admin-bar styles for the indicator.
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*/
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function dsi_enqueue_assets() : void {
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// register & enqueue the standalone CSS file
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wp_enqueue_style(
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'door-status-indicator',
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plugins_url( 'door-status.css', __FILE__ ),
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[], // no dependencies
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'1.0.0' // file version
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);
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}
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add_action( 'wp_enqueue_scripts', 'dsi_enqueue_assets' );
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add_action( 'admin_enqueue_scripts', 'dsi_enqueue_assets' ); // so the Admin Bar icon also gets styled
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/*
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|--------------------------------------------------------------------------
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| WP‑CLI command (optional)
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|--------------------------------------------------------------------------
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*/
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if ( defined( 'WP_CLI' ) && WP_CLI ) {
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WP_CLI::add_command( 'door-status', function() {
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WP_CLI::success( dsi_get_status() ? 'Door is open 🟢' : 'Door is closed 🔴' );
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} );
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}
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// End of file
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