public async Task DownloadAsync(
DownloadFileParametersModel downloadFileParametersModel,
CancellationToken cancellationToken)
{
try
{
cancellationToken.ThrowIfCancellationRequested();
using (var client = new HttpClient())
{
using (var result = await client.GetAsync(
Path.Combine(
$"{downloadFileParametersModel.RemoteUri}" +
$"{downloadFileParametersModel.FileNameRemote}.{downloadFileParametersModel.FileFormat}"
),
cancellationToken))
{
if (result.IsSuccessStatusCode)
{
var fileBytes = await result.Content.ReadAsByteArrayAsync();
await File.WriteAllBytesAsync(
Path.Combine(
$"{downloadFileParametersModel.PathToFile}",
$"{downloadFileParametersModel.FileNameLocal}.{downloadFileParametersModel.FileFormat}"),
fileBytes, cancellationToken);
}
}
}
}
catch (Exception ex)
{
throw new NotSupportedException("Ошибка во время выполнения." + ex);
}
}
public async Task <DownloadAsyncResponseModel> DownloadAsync(CancellationToken cancellationToken)
{
try
{
cancellationToken.ThrowIfCancellationRequested();
_logger.LogInformation("DownloadAsync: " + "Start");
// проверяем свежесть файла
var isNewFile = await _fileService.CheckExcelFile(DateTime.UtcNow, _fileName);
// TODO: вынести в конфиг
// TODO: ссылки хранить в бд
// https://www.mirea.ru/upload/medialibrary/97d/KBiSP-4-kurs-2-sem-_1_.xlsx
var downloadFileParametersModel = new DownloadFileParametersModel
{
PathToFile = Path.Combine("Infrastructure", "ScheduleFile"),
RemoteUri = new Uri("https://www.mirea.ru/upload/medialibrary/97d/"),
FileNameLocal = "scheduleFile",
FileNameRemote = "KBiSP-4-kurs-2-sem",
FileFormat = "xlsx"
};
_logger.LogInformation("DownloadAsync: " + "isNewFile: " + isNewFile);
var result = new DownloadAsyncResponseModel
{
IsNewFile = isNewFile
};
// если не свежий => качаем новый (1 сутки)
if (!isNewFile)
{
await _fileService.DownloadAsync(
downloadFileParametersModel, cancellationToken);
result.Message = "Данные обновлены!";
}
else
{
result.Message = "Обновление невозможно. Попробуйте позже.";
}
return(result);
}
catch (Exception ex)
{
_logger.LogError("Exception DownloadAsync: " + ex);
throw new NotSupportedException("Ошибка во время выполнения." + ex);
}
}
public async void DownloadByLinkAsync_DoneTask_ShouldBeDownloadFile(int fileNameFlag)
{
// Arrange
var fileService = new FileService();
var fileName = Path.Combine(TestValueProvider.GetValueStringByFlag(fileNameFlag));
var downloadFileParametersModel = new DownloadFileParametersModel
{
//https://www.mirea.ru/upload/medialibrary/97d/KBiSP-4-kurs-2-sem-_1_.xlsx
PathToFile = string.Empty,
RemoteUri = new Uri("https://www.mirea.ru/upload/medialibrary/97d/"),
FileNameLocal = fileName,
FileNameRemote = "KBiSP-4-kurs-2-sem-_1_",
FileFormat = "xlsx"
};
// Act
await fileService.DownloadAsync(downloadFileParametersModel, CancellationToken.None);
// Assert
var result = File.Exists(fileName + ".xlsx");
Assert.True(result);
}
