/// <summary>
/// Gets the updated chunks.
/// </summary>
public IEnumerable <DifferenceChunkDto> GetUpdatedChunks(string fileName, IEnumerable <CachedChunkDto> cacheChunks)
{
string downloadFilePath = Path.Combine(CommonConstants.ServerFilesLocation, $"{fileName}");
List <Chunk> chunks = RabinKarpAlgorithm.Slice(File.ReadAllBytes(downloadFilePath));
return(ChunkDifferentiator.GetUpdatedChunks(cacheChunks.Select(CachedChunkDtoMapper.Map).ToList(), chunks).Select(DifferenceChunkDtoMapper.Map));
}
private async Task <Stream> UpdateCachedFile(string fileName, byte[] cachedFileContent, ServerServiceClient serverServiceClient, string cachedFileLocation)
{
List <Chunk> cachedChunks = RabinKarpAlgorithm.Slice(cachedFileContent);
DifferenceChunkDto[] differenceChunkDtos = await serverServiceClient.GetUpdatedChunksAsync(fileName, cachedChunks.Select(CachedChunkDtoMapper.Map).ToArray());
byte[] newFileContent = ConstructContentOfTheUpdateFile(differenceChunkDtos, cachedChunks, fileName);
System.IO.File.WriteAllBytes(cachedFileLocation, newFileContent);
return(new MemoryStream(newFileContent));
}
