first trial v2

wp-api-consumer.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Plugin Name: WP API Consumer
+ * Plugin URI: https://gitea.alluna.pt/jfig/wp-api-consumer
+ * Description: Shows the live value of https://nodered.jfig.net/api/v1/door-open in a menu item or via shortcode.
+ * Version:     1.0
+ * License:     GPL-2.0+
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Fetch the Boolean once every 10 s (adjust TTL to taste).
+ */
+function ds_get_state() {
+	$state = get_transient( 'ds_state' );
+
+	if ( false === $state ) {
+		$r = wp_remote_get( 'https://nodered.jfig.net/api/v1/door-open', [ 'timeout' => 4 ] );  // 4 s hard stop
+		$state = is_wp_error( $r ) ? '' : trim( wp_remote_retrieve_body( $r ) );
+		set_transient( 'ds_state', $state, 10 );
+	}
+	return $state;
+}
+
+/**
+ * Returns a coloured dot (🟢 / 🔴) or ⚪ if the API is unreachable.
+ */
+function ds_render() {
+	$s = strtolower( ds_get_state() );
+	if ( 'true' === $s )  return '<span class="door-state door-open"  aria-label="door open">🟢</span>';
+	if ( 'false' === $s ) return '<span class="door-state door-closed" aria-label="door closed">🔴</span>';
+	return '<span class="door-state door-unknown" aria-label="status unknown">⚪</span>';
+}
+add_shortcode( 'door_state', 'ds_render' );                                 // [door_state]
+
+/**
+ * Automatically append the indicator to a menu (optional).
+ * Replace 'primary' with your theme’s menu slug if different.
+ */
+function ds_menu_item( $items, $args ) {
+	if ( 'primary' === $args->theme_location ) {
+		$items .= '<li class="menu-item menu-item-door-state">' . ds_render() . '</li>';
+	}
+	return $items;
+}
+add_filter( 'wp_nav_menu_items', 'ds_menu_item', 10, 2 );
+