Add generic NameValue class for name value pair collections

src/Ramcar/JOStatus.php

@@ -2,7 +2,7 @@
 
 namespace App\Ramcar;
 
-class JOStatus
+class JOStatus extends NameValue
 {
     const PENDING       = 'pending';
     const RIDER_ASSIGN  = 'rider_assign';
@@ -19,18 +19,4 @@ class JOStatus
         'cancelled' => 'Cancelled',
         'fulfilled' => 'Fulfilled',
     ];
-
-    static public function getCollection()
-    {
-        return self::COLLECTION;
-    }
-
-    static public function validate($type_text)
-    {
-        if (isset(self::COLLECTION[$type_text]))
-            return true;
-
-        return false;
-    }
-
 }

src/Ramcar/NameValue.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Ramcar;
+
+class NameValue
+{
+    static public function getCollection()
+    {
+        return static::COLLECTION;
+    }
+
+    static public function validate($type_text)
+    {
+        if (isset(static::COLLECTION[$type_text]))
+            return true;
+
+        return false;
+    }
+}