public static long SaveMessage(string body, string flag, long? ParentId, File[] files,bool ishotnews)
{
var db = DCFactory.GetDataContext<BasicDataContext>();
var msg = new Message
{
Body = body,
CreatedBy = flag == MessageFlag.SystemMessage ? "SYSTEM" : UserHelper.IsDealer ? UserHelper.DealerCode : UserHelper.Username,
CreatedDate = DateTime.Now,
Flag = flag,
ParentId = ParentId,
Type= MessageType.NormalMessage
};
if (ishotnews)
msg.Type = MessageType.HotMesssage;
if (files != null)
{
foreach (var item in files)
if (item != null)
item.Message = msg;
}
db.Messages.InsertOnSubmit(msg);
db.SubmitChanges();
return msg.MessageId;
}
public static File CreateFile(HttpPostedFile postedFile)
{
if (postedFile == null) return null;
File obj = null;
int length = postedFile.ContentLength;
string Filename = postedFile.FileName.Substring(postedFile.FileName.LastIndexOf(@"\") + 1);
if (length != 0 && length / 1024 < 5000)
{
obj = new File() { Body = new byte[length], FileName = Filename };
postedFile.InputStream.Read(obj.Body, 0, length);
obj.Body = Compressor.Compress(obj.Body);
obj.FileName = Filename;
}
return obj;
}
private void detach_Files(File entity)
{
this.SendPropertyChanging();
entity.Message = null;
}
private void attach_Files(File entity)
{
this.SendPropertyChanging();
entity.Message = this;
}