private async Task <(int, List <string>)> DownloadBatchAsync(string region, CancellationToken cancellationToken)
{
loggerService.StartMethod();
var downloadedFiles = new List <string>();
var batchNumber = 0;
var tmpDir = Path.Combine(FileSystem.CacheDirectory, region);
try
{
if (!Directory.Exists(tmpDir))
{
Directory.CreateDirectory(tmpDir);
}
}
catch (Exception ex)
{
loggerService.Exception("Failed to create directory", ex);
loggerService.EndMethod();
// catch error return batchnumber 0 / fileList 0
return(batchNumber, downloadedFiles);
}
//long sinceEpochSeconds = new DateTimeOffset(DateTime.UtcNow.AddDays(-14)).ToUnixTimeSeconds();
List <TemporaryExposureKeyExportFileModel> tekList = await httpDataService.GetTemporaryExposureKeyList(region, cancellationToken);
if (tekList.Count == 0)
{
loggerService.EndMethod();
return(batchNumber, downloadedFiles);
}
Debug.WriteLine("C19R Fetch Exposure Key");
Dictionary <string, long> lastTekTimestamp = userData.LastProcessTekTimestamp;
foreach (var tekItem in tekList)
{
long lastCreated = 0;
if (lastTekTimestamp.ContainsKey(region))
{
lastCreated = lastTekTimestamp[region];
}
else
{
lastTekTimestamp.Add(region, 0);
}
loggerService.Info($"tekItem.Created: {tekItem.Created}");
if (tekItem.Created > lastCreated || lastCreated == 0)
{
var tmpFile = Path.Combine(tmpDir, Guid.NewGuid().ToString() + ".zip");
Debug.WriteLine(Utils.SerializeToJson(tekItem));
Debug.WriteLine(tmpFile);
loggerService.Info($"Download TEK file. url: {tekItem.Url}");
using (Stream responseStream = await httpDataService.GetTemporaryExposureKey(tekItem.Url, cancellationToken))
using (var fileStream = File.Create(tmpFile))
{
try
{
await responseStream.CopyToAsync(fileStream, cancellationToken);
fileStream.Flush();
}
catch (Exception ex)
{
loggerService.Exception("Fail to copy", ex);
}
}
lastTekTimestamp[region] = tekItem.Created;
downloadedFiles.Add(tmpFile);
Debug.WriteLine($"C19R FETCH DIAGKEY {tmpFile}");
batchNumber++;
}
}
loggerService.Info($"Batch number: {batchNumber}, Downloaded files: {downloadedFiles.Count()}");
userData.LastProcessTekTimestamp = lastTekTimestamp;
await userDataService.SetAsync(userData);
loggerService.Info($"region: {region}, userData.LastProcessTekTimestamp[{region}]: {userData.LastProcessTekTimestamp[region]}");
loggerService.EndMethod();
return(batchNumber, downloadedFiles);
}
private async Task <(int, List <string>)> DownloadBatchAsync(string region, CancellationToken cancellationToken)
{
var downloadedFiles = new List <string>();
var batchNumber = 0;
var tmpDir = Path.Combine(FileSystem.CacheDirectory, region);
try
{
if (!Directory.Exists(tmpDir))
{
Directory.CreateDirectory(tmpDir);
}
}
catch
{
// catch error return batchnumber 0 / fileList 0
return(batchNumber, downloadedFiles);
}
long sinceEpochSeconds = new DateTimeOffset(DateTime.UtcNow.AddDays(-14)).ToUnixTimeSeconds();
List <TemporaryExposureKeyExportFileModel> tekList = await httpDataService.GetTemporaryExposureKeyList(region, cancellationToken);
if (tekList.Count == 0)
{
return(batchNumber, downloadedFiles);
}
Console.WriteLine("Fetch Exposure Key");
Dictionary <string, long> lastTekTimestamp = userData.LastProcessTekTimestamp;
foreach (var tekItem in tekList)
{
long lastCreated = 0;
if (lastTekTimestamp.ContainsKey(region))
{
lastCreated = lastTekTimestamp[region];
}
else
{
lastTekTimestamp.Add(region, 0);
}
if (tekItem.Created > lastCreated || lastCreated == 0)
{
var tmpFile = Path.Combine(tmpDir, Guid.NewGuid().ToString() + ".zip");
Console.WriteLine(Utils.SerializeToJson(tekItem));
Console.WriteLine(tmpFile);
using (Stream responseStream = await httpDataService.GetTemporaryExposureKey(tekItem.Url, cancellationToken))
using (var fileStream = File.Create(tmpFile))
{
try
{
await responseStream.CopyToAsync(fileStream, cancellationToken);
fileStream.Flush();
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
lastTekTimestamp[region] = tekItem.Created;
downloadedFiles.Add(tmpFile);
batchNumber++;
}
}
Console.WriteLine(batchNumber.ToString());
Console.WriteLine(downloadedFiles.Count());
userData.LastProcessTekTimestamp = lastTekTimestamp;
await userDataService.SetAsync(userData);
return(batchNumber, downloadedFiles);
}