private async Task <AttachmentEditOutput> ExecuteNewAttachment(AttachmentEditInput input)
{
Attachment attachment = new Attachment(DateTime.Now, input.Name, input.SourceReference);
attachment.Description = input.Description;
switch (input.AttachmentBy)
{
case GetAttachmentBy.PART:
attachment.PartId = input.EntityId;
break;
case GetAttachmentBy.PARTINSTANCE:
attachment.PartInstanceId = input.EntityId;
break;
case GetAttachmentBy.PRICE:
attachment.PriceId = input.EntityId;
break;
case GetAttachmentBy.DISTRIBUTOR:
attachment.DistributorId = input.EntityId;
break;
case GetAttachmentBy.MANUFACTURER:
attachment.ManufacturerId = input.EntityId;
break;
default:
return(new AttachmentEditOutput(null, false, "Invalid Entity Type"));
}
var response = await FileService.UploadFileAsync(input.SourceReference, input.Name);
if (!string.IsNullOrEmpty(response))
{
attachment.FileReference = response;
var entity = await this._attachmentRepositry.AddAsync(attachment);
var count = await this._unitOfWork.Save();
if (count > 0)
{
return(new AttachmentEditOutput(entity, true, "Success"));
}
else
{
await FileService.DeleteFileAsync(input.SourceReference);
await this._unitOfWork.Undo();
return(new AttachmentEditOutput(null, false, "Save Failed"));
}
}
else
{
return(new AttachmentEditOutput(null, false, "Error Uploading File"));
}
}
public async Task <AttachmentEditOutput> Execute(AttachmentEditInput input)
{
switch (input.AttachmentOperation)
{
case AttachmentOperation.DELETE:
return(await this.ExecuteDeleteAttachment(input));
case AttachmentOperation.NEW:
return(await this.ExecuteNewAttachment(input));
default:
return(new AttachmentEditOutput(null, false, "Invalid Attachment Operation"));
}
}
private async Task <AttachmentEditOutput> ExecuteDeleteAttachment(AttachmentEditInput input)
{
var attachment = await this._attachmentRepositry.GetEntityAsync(e => e.Id == input.AttachmentId);
if (attachment != null)
{
var response = await FileService.DeleteFileAsync(attachment.FileReference);
if (response)
{
var entity = await this._attachmentRepositry.DeleteAsync(attachment);
var count = await this._unitOfWork.Save();
if (count > 0)
{
return(new AttachmentEditOutput(entity, true, "Success"));
}
else
{
await FileService.DeleteFileAsync(input.SourceReference);
await this._unitOfWork.Undo();
return(new AttachmentEditOutput(null, false, "Save Failed"));
}
}
else
{
return(new AttachmentEditOutput(null, false, "Invalid Entity Type"));
}
}
else
{
return(new AttachmentEditOutput(null, false, "Attachment Not Found"));
}
}