public IActionResult GetFile(CancellationToken cancellationToken, string fileName, [FromQuery] string directoryName)
{
return(new FileCallbackResult(
new MediaTypeHeaderValue(GetMimeType(fileName)),
async(outputStream, _) =>
{
using (var stream = _dbFileService.GetFileReadStream(fileName, directoryName))
{
await stream.CopyToParallelAsync(outputStream, 32000 * 10, cancellationToken);
}
}));
}
private IEnumerable<string> GetLogFileLines(string logFileName, string directoryName)
{
if (!_dbFileService.FileExistsAsync(logFileName, directoryName, CancellationToken.None).Result)
{
return Enumerable.Empty<string>();
}
var logFileStream = _dbFileService.GetFileReadStream(logFileName, directoryName);
var reader = new StreamReader(logFileStream);
return ReadAllLines(reader);
}