Added extendable exception codes trait

Author: toonvandenbos

src/Exceptions/Concerns/HasExtendableCodes.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Whitecube\LaravelFlexibleContent\Exceptions\Concerns;
+
+trait HasExtendableCodes
+{
+    /**
+     * Add a new exception code to the existing array
+     *
+     * @param int $code
+     * @param string $message
+     * @return void
+     **/
+    static public function registerCode($code, $message)
+    {
+        static::$codes[$code] = $message;
+    }
+
+    /**
+     * Get message for given exception code
+     *
+     * @param int $code
+     * @return null|string
+     **/
+    static public function getCodeMessage($code)
+    {
+        return static::$codes[$code] ?? null;
+    }
+}

src/Exceptions/InstanceNotInsertableException.php

@@ -7,6 +7,8 @@
 
 class InstanceNotInsertableException extends InvalidArgumentException
 {
+    use Concerns\HasExtendableCodes;
+
     /**
      * The main refusal reason codes.
      *
@@ -20,7 +22,7 @@ class InstanceNotInsertableException extends InvalidArgumentException
      *
      * @var array
      **/
-    static public $reasons = [
+    static public $codes = [
         1 => 'Limit reached',
         2 => 'Layout limit reached',
     ];
@@ -34,7 +36,7 @@ class InstanceNotInsertableException extends InvalidArgumentException
      */
     static public function make(Layout $instance, $code) : InvalidArgumentException
     {
-        $reason = static::$reasons[$code] ?? 'Unknown refusal reason';
+        $reason = static::getCodeMessage($code) ?? 'Unknown refusal reason';
 
         return new static($reason . ': Could not insert instance "' . $instance->getId() . '" with key "' . $instance->getKey() . '".', $code);
     }