init

app/Models/Config.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Config extends Model
+{
+    protected $fillable = ['key', 'value'];
+
+    public static function get($key, $default = null)
+    {
+        $config = self::where('key', $key)->first();
+
+        return $config ? $config->value : $default;
+    }
+
+    public static function set($key, $value)
+    {
+        return self::updateOrCreate(['key' => $key], ['value' => $value]);
+    }
+}