public ChatViewModel(ConversatinInfoViewModel conversationInfo, BusinessCoreService business)
{
_conversationInfo = conversationInfo;
ConversationId = _conversationInfo.Info.TargetId;
_businessCoreService = business;
_businessCoreService.Subscribe(CommandTypeEnum.HistoryMessage, HistoryMessageCallBack);
_businessCoreService.Subscribe(CommandTypeEnum.Receive, ReceiveCallBack);
_businessCoreService.Subscribe(CommandTypeEnum.GetDiscussionInfo, GetDiscussionInfoCallBack);
_businessCoreService.GetHistoryMessage(conversationInfo.Info.TargetId, _conversationInfo.Info.ConversationType);
Members = new ObservableCollection<UserInfo>();
if (_conversationInfo.Info.ConversationType == ConversationType.PRIVATE)
{
MembersTemp.Add(_businessCoreService.GetContacts().SingleOrDefault(x => x.Id == _conversationInfo.Info.TargetId));
}
else if (_conversationInfo.Info.ConversationType == ConversationType.DISCUSSION)
{
_businessCoreService.GetDiscussionInfo(conversationInfo.Info.TargetId);
}
_imageCallBack = new ImageListenerEventHandler(this.UploadedCallBack);
StartTimer();
_isExpandMember = false;
MyWebClient.UploadFileCompleted += myWebClient_UploadFileCompleted;
MyWebClient.UploadProgressChanged += myWebClient_UploadProgressChanged;
_name = conversationInfo.Info.TargertName;
}
private void StartDiscussionCallBack(JObject jobj)
{
if (jobj["result"].ToString() == "success")
{
string discussionId = (string)jobj["discussionId"];
Application.Current.Dispatcher.Invoke(new Action(() =>
{
var conversatinInfoViewModel = new ConversatinInfoViewModel(new ConversationMessageInfo()
{
AvatarIcon = SystemConfig.AvatarUrl + discussionId,
Content = new ContentInfo()
{
MessageType = MessageTypeEnum.TxtMsg,
content = "讨论组"
},
ConversationId = discussionId,
ConversationType = ConversationType.DISCUSSION,
SendTime = DateTime.Now,
SenderId = UserContext.Current.Id,
TargertName = "讨论组",
TargetId = discussionId,
Type = MessageTypeEnum.TxtMsg,
UnreadCount = 0
}, _businessCoreService);
_conversations.Insert(0, conversatinInfoViewModel);
SelectedItem = conversatinInfoViewModel;
}));
}
else
{
//创建讨论组失败
}
}
private void ConversationCallBack(JObject jobj)
{
if (jobj["result"].ToString() == "success" && jobj["data"] != null)
{
try
{
var result = JsonConvert.DeserializeObject<IList<ConversationInfo>>(jobj["data"].ToString());
var conversationList = MessageParser.ParserConversation(result);
if (_conversations.Count != 0)
{
_conversations.Clear();
}
foreach (var item in conversationList.Where((x, i) => conversationList.ToList().FindIndex(z => z.TargetId == x.TargetId) == i))
{
var conversatinInfoViewModel = new ConversatinInfoViewModel(item, _businessCoreService);
_conversations.Add(conversatinInfoViewModel);
}
}
catch
{
}
}
OnPropertyChanged("NewNotifyFlag");
}
private void ReceiveCallBack(JObject jobj)
{
var result = JsonConvert.DeserializeObject<RcReceiveMsg>(jobj.ToString());
if (result.result == "success")
{
var flag = true;
var msgInfo = MessageParser.ParserReceiveToConversation(result);
if (msgInfo.Type == MessageTypeEnum.TxtMsg && string.IsNullOrEmpty(msgInfo.Content.content)) return;
foreach (var item in _conversations)
{
if (item.Info.TargetId == msgInfo.TargetId)
{
flag = false;
item.Count += SelectedItem != null && SelectedItem.Info.TargetId != msgInfo.TargetId ? 1 : 0;
item.Content = msgInfo.Content;
Application.Current.Dispatcher.Invoke(new Action(() =>
{
_conversations.Move(_conversations.IndexOf(item), 0);
}));
msgInfo.TargetName = item.TargetName;
break;
}
}
if (flag)
{
var newConversation = MessageParser.ParserConversation(result);
var conversatinInfoViewModel = new ConversatinInfoViewModel(newConversation,
_businessCoreService);
Application.Current.Dispatcher.Invoke(new Action(() =>
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
_conversations.Insert(0, conversatinInfoViewModel);
_businessCoreService.GetDiscussionInfo(conversatinInfoViewModel.Info.TargetId);
}));
}));
msgInfo.TargetName = conversatinInfoViewModel.TargetName;
}
Subscription.DoNotify(msgInfo);
}
OnPropertyChanged("NewNotifyFlag");
}
private void NewConversationCallBack(JObject jobj)
{
var result = JsonConvert.DeserializeObject<IList<ConversationInfo>>(jobj["data"].ToString());
var conversationList = MessageParser.ParserConversation(result);
if (_conversations.All(x => x.Info.TargetId != conversationList[0].TargetId))
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
var conversatinInfoViewModel = new ConversatinInfoViewModel(conversationList[0],
_businessCoreService);
_conversations.Insert(0, conversatinInfoViewModel);
SelectedItem = _conversations.SingleOrDefault(x => x.Info.TargetId == conversationList[0].TargetId);
}));
}
else
{
//选中
SelectedItem = _conversations.SingleOrDefault(x => x.Info.TargetId == conversationList[0].TargetId);
}
}