コード例 #1
0
        public List <DMPreviewVM> GetDMPreview(int myUserID)
        {
            List <DMPreviewVM> lista = new List <DMPreviewVM>();

            foreach (var user in db.Users.ToList())
            {
                Conversations conversation = db.Conversations
                                             .Where(x => x.User1ID == myUserID && x.User2ID == user.UserID).SingleOrDefault();
                if (conversation == null)
                {
                    conversation = db.Conversations
                                   .Where(x => x.User1ID == user.UserID && x.User2ID == myUserID).SingleOrDefault();
                }
                if (conversation != null)
                {
                    int usrID = -1;
                    if (conversation.User1ID == myUserID)
                    {
                        usrID = conversation.User2ID;
                    }
                    else
                    {
                        usrID = conversation.User1ID;
                    }

                    Users usr = db.Users.Find(usrID);

                    try
                    {
                        DMPreviewVM listItem = db.tsp_LatestMessage(conversation.User1ID, conversation.User2ID).Select(x => new DMPreviewVM
                        {
                            conversationID = conversation.ConversationID,
                            nickname       = usr.Nickname,
                            username       = usr.Username,
                            content        = x.Content,
                            time           = x.DateCreated,
                            imgProfile     = usr.ProfileImage
                        }).SingleOrDefault();

                        if (db.tsp_LatestMessage(conversation.User1ID, conversation.User2ID).SingleOrDefault().SenderID == myUserID)
                        {
                            listItem.isMineLastMessage = true;
                        }
                        else
                        {
                            listItem.isMineLastMessage = false;
                        }

                        lista.Add(listItem);
                    }
                    catch (Exception)
                    {
                    }
                }
            }
            return(lista.OrderByDescending(x => x.time).ToList());
        }