public bool SendMessage(Guid SenderId, Guid ChatId, String MessageText)
{
IMMessagesContainerDTO Chat = GetChat(ChatId, SenderId);
//Se uno degli utenti è di quella chat...
if (Chat.UserA.Id == SenderId || Chat.UserB.Id == SenderId)
{
DateTime Date = DateTime.Now;
IMMessageDTO Message = new Domain.IMMessageDTO();
Message.Date = Date;
Message.MessageText = MessageText;
Message.SenderId = SenderId;
Chat.Messages.Add(Message);
if (Chat.UserA.Id == SenderId)
{
Chat.UserA.LastAccess = Date;
}
else
{
Chat.UserB.LastAccess = Date;
}
}
else
{
throw new ArgumentException("Wrong chat or user");
}
return(true);
}
/// <summary>
/// Inizializza una chat, se non è già presente.
/// </summary>
/// <param name="InitUser">L'utente che cerca di aprire la chat.</param>
/// <param name="ReceiveUser">L'utente "ricevente"</param>
/// <returns>Nel primo caso restituisce la nuova chat, nel secondo quella corretta.</returns>
public IMMessagesContainerDTO StarChat(IMUserDTO InitUser, IMUserDTO ReceiveUser)
{
IMMessagesContainerDTO TempChat = (from ct in Chats
where ((ct.UserA.Id == InitUser.Id) && (ct.UserB.Id == ReceiveUser.Id) ||
(ct.UserA.Id == ReceiveUser.Id) && (ct.UserB.Id == InitUser.Id))
select ct).FirstOrDefault();
if (TempChat != null)
{
//Restituisco la chat corretta
return(TempChat);
}
else
{
//Creo la nuova chat
TempChat = new Domain.IMMessagesContainerDTO();
TempChat.Id = Guid.NewGuid();
TempChat.UserA = InitUser;
TempChat.UserB = ReceiveUser;
TempChat.UserA.LastAccess = DateTime.Now;
TempChat.UserB.LastAccess = DateTime.Now;
TempChat.UserA.IsActive = true;
TempChat.UserB.IsActive = false;
TempChat.UserA.IsEnter = true;
TempChat.UserB.IsEnter = false;
//TempChat.Person1.IsChatvisible = true;
//TempChat.Person2.IsChatvisible = true;
TempChat.IsStarted = false;
//Original: TempChat.UserDiscarded = ReceiveUser.Id;
TempChat.UserDiscarded = ReceiveUser.PersonId;
TempChat.Messages = new List <IMMessageDTO>();
Chats.Add(TempChat);
return(TempChat);
// this.Messages = new List<Ct1o1_Message_DTO>();
}
}
public void DiscardChat(Int32 UserDiscardId, Guid ChatId)
{
IMMessagesContainerDTO Chat = (from ct in Chats where ct.Id == ChatId select ct).First();
if (Chat != null)
{
if (Chat.IsActive)
{
Chat.IsActive = false;
Chat.UserDiscarded = UserDiscardId;
}
else if (Chat.UserDiscarded != UserDiscardId)
{
Chats.Remove(Chat);
//this.DeleteChat(ChatId);
}
}
}
//private DateTime GetLastAccess(Int32 PersonId)
//{
// DateTime DT;
// if( Person1.Id == PersonId)
// {
// DT = Person1.LastAccess;
// Person1.LastAccess = DateTime.Now;
// }
// else if (Person2.Id == PersonId)
// {
// DT = Person2.LastAccess;
// Person2.LastAccess = DateTime.Now;
// }
// else
// {
// throw new ArgumentException("Persons ID not in this chat");
// }
// return DT;
//}
//private void UpdateUser(Int32 UserId)
//{
// if (_UserDiscarded == UserId)
// {
// _UserDiscarded = 0;
// IsActive = true;
// }
//}
/// <summary>
/// Restituisce una Chat
/// </summary>
/// <param name="ChatId"></param>
/// <returns></returns>
/// <remarks>Restituire NULL se la chat non c'è più.</remarks>
public Domain.IMMessagesContainerDTO GetChat(Guid ChatId, Guid UserId)
{
IMMessagesContainerDTO Chat = (from ct in Chats where ct.Id == ChatId select ct).FirstOrDefault <IMMessagesContainerDTO>();
if (Chat == null)
{
Chat = new IMMessagesContainerDTO();
Chat.Id = ChatId;
}
else
{
if (Chat.UserA.Id == UserId)
{
Chat.UserA.IsEnter = true;
}
else if (Chat.UserB.Id == UserId)
{
Chat.UserB.IsEnter = true;
}
}
return(Chat);
}
