private int IsExistChat(ChatDTO chatDTO)
{
var chat = repositories.ChatRepos.Get().Where(ch => ch.UniqueName == chatDTO.UniqueName).FirstOrDefault();
if (chat == null)
{
return(-1);
}
else
{
return(chat.Id);
}
}
public ChatDTO CreateNewChat(ChatDTO newChatDTO)
{
var id = IsExistChat(newChatDTO);
if (id == -1)
{
repositories.ChatRepos.Insert(mapper.Map <Chat>(newChatDTO));
repositories.Save();
return(mapper.Map <ChatDTO>(repositories.ChatRepos.Get().LastOrDefault()));
}
else
{
return(null);
}
}
public IEnumerable <MessageDTO> GetMessagesByChat(ChatDTO chat)
{
var res_chat = unit.ChatRepository.Get(c => c.Id == chat.Id, includeProperties: nameof(Chat.Messages))?.FirstOrDefault();
return(_mapper.Map <IEnumerable <Message>, IEnumerable <MessageDTO> >(res_chat.Messages));
}
public IEnumerable <UserDTO> GetUsersByChat(ChatDTO chat)
{
return(_mapper.Map <IEnumerable <User>, IEnumerable <UserDTO> >((unit.ChatRepository.GetById(chat.Id).Users)));
}