public function searchProduct($query)
 {
     $segments = explode('/', $query);
     $todos = ProductModel::where('product_name', 'like', '%' . $segments[0] . '%')->get();
     if (count($todos) > 0) {
         return ['message' => 'FOUND', 'state' => 'search results', 'result' => $todos];
     } else {
         return ['message' => 'NOT FOUND', 'state' => 'search results'];
     }
 }
 public function relatedItems($id)
 {
     $segments = explode('/', $id);
     $todos = ProductModel::where('farmer_username', '=', $segments)->get();
     if (count($todos) > 0) {
         return ['message' => 'OK', 'state' => 'related items', 'result' => $todos];
     } else {
         return ['message' => 'NOT FOUND', 'state' => 'related items'];
     }
 }