From 733c6cda5cd65d5c6624f370b45ab7351ea77dbd Mon Sep 17 00:00:00 2001
From: Timoffei Bubigo <olfei@outlook.com>
Date: Wed, 23 Dec 2020 11:35:40 +0300
Subject: [PATCH] Dynamic commands loader

---
 core/app/Console/Kernel.php | 62 +++++++++++++++++++++++++++++++------
 1 file changed, 52 insertions(+), 10 deletions(-)

diff --git a/core/app/Console/Kernel.php b/core/app/Console/Kernel.php
index 0b2bb34..2bbcae6 100644
--- a/core/app/Console/Kernel.php
+++ b/core/app/Console/Kernel.php
@@ -8,23 +8,65 @@ use Laravel\Lumen\Console\Kernel as ConsoleKernel;
 
 class Kernel extends ConsoleKernel
 {
-    /**
-     * The Artisan commands provided by your application.
-     *
-     * @var array
-     */
-    protected $commands = [
-        HelloWorld::class
-    ];
-
     /**
      * Define the application's command schedule.
      *
-     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
+     * @param \Illuminate\Console\Scheduling\Schedule $schedule
      * @return void
      */
     protected function schedule(Schedule $schedule)
     {
         //
     }
+
+    private function extractClass($file)
+    {
+        $fp = fopen($file, 'r');
+        $class = $namespace = $buffer = '';
+        $i = 0;
+        while (!$class) {
+            if (feof($fp)) break;
+
+            $buffer .= fread($fp, 512);
+            $tokens = token_get_all($buffer);
+
+            if (strpos($buffer, '{') === false) continue;
+
+            for (;$i<count($tokens);$i++) {
+                if ($tokens[$i][0] === T_NAMESPACE) {
+                    for ($j=$i+1;$j<count($tokens); $j++) {
+                        if ($tokens[$j][0] === T_STRING) {
+                            $namespace .= '\\'.$tokens[$j][1];
+                        } else if ($tokens[$j] === '{' || $tokens[$j] === ';') {
+                            break;
+                        }
+                    }
+                }
+
+                if ($tokens[$i][0] === T_CLASS) {
+                    for ($j=$i+1;$j<count($tokens);$j++) {
+                        if ($tokens[$j] === '{') {
+                            $class = $tokens[$i+2][1];
+                        }
+                    }
+                }
+            }
+        }
+
+        return $namespace . '\\' . $class;
+    }
+
+    public function getCommands()
+    {
+        $commands_path = base_path() . '/../commands';
+        $files = array_diff(scandir(base_path() . '/../commands'), array('.', '..'));
+
+        $classes = [];
+        foreach($files as $file) {
+            $classes[] = $this->extractClass($commands_path . '/' . $file);
+        }
+
+        $commands = parent::getCommands();
+        return array_merge($commands, $classes);
+    }
 }