private string ConsolidateFile(ResumableConfiguration configuration)
{
var path = GetFilePath(configuration);
using (var destStream = File.Create(path, 15000))
{
for (int chunkNumber = 1; chunkNumber <= configuration.Chunks; chunkNumber++)
{
var chunkFileName = GetChunkFileName(chunkNumber, configuration.Identifier);
using (var sourceStream = File.OpenRead(chunkFileName))
{
sourceStream.CopyTo(destStream);
}
}
destStream.Close();
}
return path;
}
private void DeleteChunks(ResumableConfiguration configuration)
{
for (int chunkNumber = 1; chunkNumber <= configuration.Chunks; chunkNumber++)
{
var chunkFileName = GetChunkFileName(chunkNumber, configuration.Identifier);
File.Delete(chunkFileName);
}
}
private bool AllChunksAreHere(ResumableConfiguration configuration)
{
for (int chunkNumber = 1; chunkNumber <= configuration.Chunks; chunkNumber++)
if (!ChunkIsHere(chunkNumber, configuration.Identifier)) return false;
return true;
}
private void TryAssembleFile(ResumableConfiguration configuration)
{
if (AllChunksAreHere(configuration))
{
// Create a single file
var path = ConsolidateFile(configuration);
// Rename consolidated with original name of upload
RenameFile(path, Path.Combine(root, configuration.FileName));
// Delete chunk files
DeleteChunks(configuration);
}
}
private string GetFilePath(ResumableConfiguration configuration)
{
return Path.Combine(root, configuration.Identifier);
}