public CacheResult BuildPackage(DateTime packageDate)
{
List <byte[]> streamBytesList = new List <byte[]>();
//create file and store in cache if file does not exist in cache
var keys = _temporaryExposureKeyRepository.GetKeysOnlyFromApiOriginCountry(packageDate, _fetchCommandTimeout);
int skip = 0;
while (keys.Count > skip)
{
var keysBatch = keys.Skip(skip).Take(_maxKeysPerFile);
skip += _maxKeysPerFile;
using (Stream stream = _databaseKeysToBinaryStreamMapperService.ExportDiagnosisKeys(keysBatch.ToList()))
{
using (var memoryStream = new MemoryStream())
{
stream.Seek(0, SeekOrigin.Begin);
stream.CopyTo(memoryStream);
stream.Seek(0, SeekOrigin.Begin);
streamBytesList.Add(memoryStream.ToArray());
}
}
}
return(new CacheResult()
{
FileBytesList = streamBytesList
});
}