public async Task <FileDownloadInfo> DownloadFileAsync(string fileName)
{
var client = _blobClientFactory.GetContainerClient(AzureBlobConstants.BlobDocumentsContainerName);
var lowerFileName = fileName.ToLower();
var blobClient = client.GetBlobClient(lowerFileName);
var isBlobClientExists = await blobClient.ExistsAsync();
if (!isBlobClientExists)
{
_serviceLogger.LogWarning($"File '{fileName}' is not found in blob storage");
return(new FileDownloadInfo
{
Status = HttpStatusCode.NotFound.ToString("G"),
Content = null,
ContentType = string.Empty
});
}
var downloadResult = await blobClient.DownloadAsync();
using var downloadInfo = downloadResult.Value;
using var rawResponse = downloadResult.GetRawResponse();
_serviceLogger.LogInfo($"File '{fileName}' download responded with status '{rawResponse.Status}-{rawResponse.ReasonPhrase}'");
return(new FileDownloadInfo
{
Status = rawResponse.ReasonPhrase,
ContentType = downloadInfo.ContentType,
Content = downloadInfo.Content
});
}
public void LogWarning_LogMessageSentWithWarningLogLevel()
{
//Arrange
var message = _fixture.Create <string>();
var serilogLoggerMock = new Mock <ISerilogLogger>();
_serviceLoggerFactoryMock
.Setup(factory => factory.GetLogger())
.Returns(serilogLoggerMock.Object);
//Act
_sut.LogWarning(message);
//Assert
serilogLoggerMock
.Verify(logger => logger.Write(LogEventLevel.Warning, message), Times.Once);
}
public async Task <IActionResult> Download([FromRoute] string fileName)
{
if (string.IsNullOrEmpty(fileName))
{
_logger.LogWarning("Attempt to download a file with empty name.");
return(BadRequest("File name should not be empty"));
}
var downloadInfo = await _pdfDocumentHandler.DownloadAsync(fileName);
if (downloadInfo.Status == HttpStatusCode.NotFound.ToString("G"))
{
_logger.LogWarning("Attempt to download not existing file.");
return(NotFound($"File with name '{fileName}' does not exist"));
}
return(File(downloadInfo.Content, downloadInfo.ContentType));
}
