up

app/Models/WhatsappSystemConfig.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class WhatsappSystemConfig extends Model
+{
+    protected $table = 'whatsapp_system_config';
+
+    protected $fillable = ['config_key', 'config_value', 'description'];
+
+    public static function get(string $key, string $default = ''): string
+    {
+        $record = static::where('config_key', $key)->first();
+        return $record ? ($record->config_value ?? $default) : $default;
+    }
+
+    public static function set(string $key, string $value): void
+    {
+        static::updateOrCreate(
+            ['config_key' => $key],
+            ['config_value' => $value]
+        );
+    }
+}