download static method

dynamic download({ required String url, required String savePath, required dynamic onSuccess(String), required dynamic onFailed(String), required dynamic onProgress(double), })

Implementation

static  download({required String url, required String savePath,required Function(String) onSuccess,required Function(String) onFailed,required Function(double) onProgress}) async {
  var cancelToken = CancelToken();
  var dio = Dio();
  var progress = 0.0;
  // if(!isPDF(url)){
  //   log('🔥 Download , Allowed for pdf files only . ');
  //   onFailed.call('🔥 Download , Allowed for pdf files only . ');
  //   return null;
  // }

  try {
    log('📥 Start download from url -> $url');
    Response response = await dio.get(
      url,
      cancelToken: cancelToken,
      onReceiveProgress: (done,total){
        progress = done / total;
          if (progress >= 1) {
            log('✅ File has finished downloading. Try opening the file.');
            onSuccess.call(savePath);

          }
        onProgress.call((progress * 100));
      },
      options: Options(
          responseType: ResponseType.bytes,
          followRedirects: false,
          validateStatus: (status) {
            if(status == 200){
              return true;
            }else{
              cancelToken.cancel();
              return false;
            }
          }),
    );
    var file = File(savePath).openSync(mode: FileMode.write);
    file.writeFromSync(response.data);
    await file.close();
  } on DioError catch (e) {
    log(e.message);
   if(File(savePath).existsSync()){
     await  File(savePath).delete();
   }
    log('🔥 Download failed, please check the link . ');
    onFailed.call('🔥 Download failed, please check the link . ');

  }
}