/** Get the list of all attachments */
 public function actionAllattachment()
 {
     if (Yii::$app->request->post()) {
         $value = \Yii::$app->request->post();
         $congress = $value['congress'];
         $sda_id = isset($value['sda_id']) && $value['sda_id'] > 0 ? $value['sda_id'] : "";
         if ($congress) {
             if ($sda_id > 0) {
                 $records_sda = \backend\models\SdaAttachments::find()->where(['congress_id' => $congress, 'sda_id' => $sda_id, 'sda_feedback_id' => null])->all();
             } else {
                 $records_sda = \backend\models\SdaAttachments::find()->where(['congress_id' => $congress])->all();
             }
             $records_meeting = \backend\models\MeetingAttachments::find()->where(['congress_id' => $_POST['congress']])->all();
             $return = [];
             $data = [];
             foreach ($records_sda as $row) {
                 $protocol = stripos($_SERVER['SERVER_PROTOCOL'], 'https') === true ? 'https://' : 'https://';
                 $host = $_SERVER['HTTP_HOST'];
                 $congressname = CongressDetails::findOne($row['congress_id'])->name;
                 unset($row['sda_feedback_id']);
                 unset($row['session_id']);
                 $row = $row->toArray();
                 $filename = explode("/", $row['path']);
                 $filenames = end(explode(".", $filename[1]));
                 $data['filename'] = str_replace($filenames, "", $filename[1]);
                 $data['filename'] = str_replace(".", "", $filename[1]);
                 $data['filetype'] = $filenames;
                 $data['path'] = $protocol . $host . "/rest/backend/web/" . $row['path'];
                 $data['exits'] = file_exists($_SERVER['DOCUMENT_ROOT'] . '/rest/backend/web/' . $row['path']);
                 $return['sda'][] = $data;
             }
             $data2 = [];
             foreach ($records_meeting as $row) {
                 $protocol = stripos($_SERVER['SERVER_PROTOCOL'], 'https') === true ? 'https://' : 'https://';
                 $host = $_SERVER['HTTP_HOST'];
                 $row = $row->toArray();
                 $type = \backend\models\MeetingTypes::findOne($row['meeting_type_id']);
                 $congressname = CongressDetails::findOne($row['congress_id'])->name;
                 unset($row['meeting_type_id']);
                 $filename = explode("/", $row['path']);
                 $filenames = end(explode(".", $filename[1]));
                 $data2['filename'] = str_replace($filenames, "", $filename[1]);
                 $data2['filename'] = str_replace(".", "", $filename[1]);
                 $data2['filetype'] = $filenames;
                 $data2['path'] = $protocol . $host . "/rest/backend/web/" . $row['path'];
                 $data2['exits'] = file_exists($_SERVER['DOCUMENT_ROOT'] . '/rest/backend/web/' . $row['path']);
                 $return['meeting'][] = $data2;
             }
             return $return;
         } else {
             return "parameter missing";
         }
     } else {
         return 'invalid method';
     }
 }
 /**
  * Upload attachment for Meeting
  * @param int $id
  * @return mixed
  */
 public function actionUploadmeeting($id)
 {
     $id = (int) $id;
     $model1 = new MeetingAttachments();
     if ($model1->load(Yii::$app->request->post())) {
         //If request is post
         $model1->path = UploadedFile::getInstances($model1, 'path');
         foreach ($model1->path as $files) {
             $filesize = $files->size;
             if ($files->saveAs('uploads/' . $files->baseName . '.' . $files->extension)) {
                 $model1->congress_id = $id;
                 $path = "uploads/" . $files->name;
                 $filetype = $files->extension;
                 $cong = MeetingDetails::find()->where(['id' => $id])->one();
                 $congressid = $cong['congress_id'];
                 Yii::$app->db->createCommand("insert into meeting_attachments(meeting_id,path,congress_id,size,type)values('{$id}','{$path}','{$congressid}',' {$filesize}','{$filetype}')")->execute();
             }
         }
         return $this->redirect(array("meeting/update", 'id' => $id));
     }
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getMeetingAttachments()
 {
     return $this->hasMany(MeetingAttachments::className(), ['meeting_id' => 'id']);
 }