internal bool ValidateBusinessRules(FlowValidationRules rules, out List <string> errorMessages)
{
var acceptedFileExtensions = new AcceptedFileExtensions();
errorMessages = new List <string>();
if (rules.MaxFileSize.HasValue && TotalSize > rules.MaxFileSize.Value)
{
errorMessages.Add(rules.MaxFileSizeMessage ?? "size");
}
if (!acceptedFileExtensions.IsExtensionAllowed(rules.AcceptedExtensions, FileName))
{
errorMessages.Add(rules.AcceptedExtensionsMessage ?? "type");
}
return(errorMessages.Count == 0);
}
private FlowJsPostChunkResponse PostChunkBase(HttpRequestMessage request, string folder, FlowValidationRules validationRules)
{
var chunk = new FlowChunk();
//var requestIsSane = chunk.ParseForm(request.Form);
var requestIsSane = chunk.ParseForm((Dictionary <string, object>)request.Properties);
if (!requestIsSane)
{
var errResponse = new FlowJsPostChunkResponse();
errResponse.Status = PostChunkStatus.Error;
errResponse.ErrorMessages.Add("damaged");
}
List <string> errorMessages = null;
//var file = request.Files[0];
var file = File.Create("");
//var response = new FlowJsPostChunkResponse { FileName = chunk.FileName, Size = chunk.TotalSize };
var fileExtension = chunk.FileName.Substring(chunk.FileName.LastIndexOf('.'));
var newFileName = Guid.NewGuid().ToString();
var newFullFileName = String.Format("{0}{1}", newFileName, fileExtension);
var response = new FlowJsPostChunkResponse {
Path = folder, OriginalFileName = chunk.FileName, FileName = newFileName, FileExtension = fileExtension, Size = chunk.TotalSize, CreationDate = DateTime.Now.ToString()
};
var chunkIsValid = true;
if (validationRules != null)
{
chunkIsValid = chunk.ValidateBusinessRules(validationRules, out errorMessages);
}
if (!chunkIsValid)
{
response.Status = PostChunkStatus.Error;
response.ErrorMessages = errorMessages;
return(response);
}
var chunkFullPathName = GetChunkFilename(chunk.Number, chunk.Identifier, folder);
try
{
// create folder if it does not exist
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
// save file
//file.SaveAs(chunkFullPathName);
}
catch (Exception)
{
throw;
}
// see if we have more chunks to upload. If so, return here
for (int i = 1, l = chunk.TotalChunks; i <= l; i++)
{
var chunkNameToTest = GetChunkFilename(i, chunk.Identifier, folder);
var exists = File.Exists(chunkNameToTest);
if (!exists)
{
response.Status = PostChunkStatus.PartlyDone;
return(response);
}
}
// if we are here, all chunks are uploaded
var fileAry = new List <string>();
for (int i = 1, l = chunk.TotalChunks; i <= l; i++)
{
fileAry.Add("flow-" + chunk.Identifier + "." + i);
}
//MultipleFilesToSingleFile(folder, fileAry, chunk.FileName);
MultipleFilesToSingleFile(folder, fileAry, newFullFileName);
for (int i = 0, l = fileAry.Count; i < l; i++)
{
try
{
File.Delete(Path.Combine(folder, fileAry[i]));
}
catch (Exception)
{
}
}
response.Status = PostChunkStatus.Done;
return(response);
}
public FlowJsPostChunkResponse PostChunk(HttpRequestMessage request, string folder, FlowValidationRules validationRules)
{
return(PostChunkBase(request, folder, validationRules));
}