public function postAddStreams()
 {
     $validator = Validator::make(Input::all(), array('stream_name' => 'required|max:30|min:3'));
     if ($validator->fails()) {
         $response = array('status' => 'failed', 'msg' => 'Item is not updated', 'errors' => $validator, 'error_messages' => $validator->messages());
         return Response::json($response);
     } else {
         $new_stream = Input::get('stream_name');
         $new_stream_id = Input::get('stream_id');
         if ($new_stream_id) {
             $streams = Streams::find($new_stream_id);
             $streams->stream_name = ucwords($new_stream);
             if ($streams->save()) {
                 $response = array('status' => 'success', 'data_send' => array('id' => $streams->id, 'inserted_item' => $streams->stream_name));
                 return Response::json($response);
             }
         } else {
             $streams = new Streams();
             $streams->stream_name = ucfirst($new_stream);
             $streams->school_id = $this->getSchoolId();
             if ($streams->save()) {
                 $response = array('status' => 'success', 'data_send' => array('id' => $streams->id, 'inserted_item' => $streams->stream_name));
                 return Response::json($response);
             }
         }
     }
     $response = array('status' => 'failed', 'msg' => 'Item is not updated');
     return Response::json($response);
 }