[WIP] Improvement

app/Models/User.php

@@ -41,4 +41,9 @@ class User extends Authenticatable
     protected $casts = [
         'email_verified_at' => 'datetime',
     ];
+
+    public function managedCorporates()
+    {
+        return $this->belongsToMany(Corporate::class, 'corporate_manager', 'user_id', 'corporate_id');
+    }
 }