support plugin

nexus/Plugin/Plugin.php

@@ -0,0 +1,57 @@
+<?php
+namespace Nexus\Plugin;
+
+class Plugin
+{
+    private static mixed $providers = null;
+
+    public function __construct()
+    {
+        $this->loadProviders();
+        if (!isRunningInConsole()) {
+            $this->bootPlugins();
+        }
+    }
+
+    public function enabled($name): bool
+    {
+        return !empty(self::$providers[$name]['providers']);
+    }
+
+    public function getMainClass($name)
+    {
+        if (isset(self::$providers[$name]['providers'][0])) {
+            $className = self::$providers[$name]['providers'][0];
+            $className = str_replace('ServiceProvider', '', $className);
+            if (class_exists($className)) {
+                return new $className;
+            }
+        }
+    }
+
+    private function bootPlugins()
+    {
+        foreach (self::$providers as $name => $providers) {
+            $provider = $providers['providers'][0];
+            $parts = explode('\\', $provider);
+            if ($parts[0] == 'NexusPlugin') {
+                $className = str_replace('ServiceProvider', '', $provider);
+                call_user_func([new $className, 'boot']);
+            }
+        }
+    }
+
+    private function loadProviders()
+    {
+        if (is_null(self::$providers)) {
+            $path = ROOT_PATH . 'bootstrap/cache/packages.php';
+            if (file_exists($path)) {
+                self::$providers = require $path;
+            } else {
+                self::$providers = [];
+            }
+        }
+    }
+
+
+}