public bool ValidateBusinessRules(FlowChunk chunk, out List<string> errorMessages)
{
errorMessages = new List<string>();
if (MaxFileSize.HasValue && chunk.TotalSize > MaxFileSize.Value)
errorMessages.Add(MaxFileSizeMessage ?? "size");
if (AcceptedExtensions.Count > 0 && AcceptedExtensions.SingleOrDefault(x => x == chunk.FileName.Split('.').Last()) == null)
errorMessages.Add(AcceptedExtensionsMessage ?? "type");
return errorMessages.Count == 0;
}
public FlowJsPostChunkResponse PostChunk(FlowChunk chunk, IFlowValidationRules validationRules)
{
var errResponse = new FlowJsPostChunkResponse();
errResponse.Status = PostChunkStatus.Error;
errResponse.ErrorMessages.Add("damaged");
List<string> errorMessages = null;
var file = chunk.Files[0];
var response = new FlowJsPostChunkResponse { FileName = chunk.FileName, Size = chunk.TotalSize };
var chunkIsValid = true;
if (validationRules != null)
chunkIsValid = validationRules.ValidateBusinessRules(chunk, out errorMessages);
if (!chunkIsValid)
{
response.Status = PostChunkStatus.Error;
response.ErrorMessages = errorMessages;
return response;
}
var chunkFullPathName = GetChunkFilename(chunk.Number, chunk.Identifier);
try
{
file.SaveAs(chunkFullPathName);
}
catch (Exception)
{
throw;
}
lock(lockObj)
{
for (int i = 1, l = chunk.TotalChunks; i <= l; i++)
{
var chunkNameToTest = GetChunkFilename(i, chunk.Identifier);
var exists = File.Exists(chunkNameToTest);
if (!exists)
{
response.Status = PostChunkStatus.PartlyDone;
return response;
}
}
var fileAry = new List<string>();
for (int i = 1, l = chunk.TotalChunks; i <= l; i++)
{
fileAry.Add("flow-" + chunk.Identifier + "." + i);
}
response.FilePath = MergeChunks(fileAry, chunk.FileName);
for (int i = 0, l = fileAry.Count; i < l; i++)
{
try
{
File.Delete(Path.Combine(filesPath.GetFlowJsTempDirectory(), fileAry[i]));
}
catch (Exception)
{
}
}
}
response.Status = PostChunkStatus.Done;
return response;
}
public FlowJsPostChunkResponse PostChunk(FlowChunk chunk)
{
return PostChunk(chunk, null);
}