public void AddChat(params WeChatUser[] chat)
{
foreach (var item in chat)
{
if (ChatList.Any(p => p.UserName == item.UserName))
{
continue;
}
ChatList.Add(item);
ChatImageDownloadService.Add(item);
}
}
public void ModChat(params WeChatUser[] chat)
{
var selected = SelectedItem;
foreach (var item in chat)
{
var local = ChatList.FirstOrDefault(p => p.UserName == item.UserName);
if (local != null)
{
if (SelectedItem == local)
{
selected = item;
}
item.MessageList.AddRange(local.MessageList); //将本地聊天的信息拷贝过来
ChatList.Remove(local);
}
ChatList.Insert(0, item); //将修改后的聊天放在首位
ChatImageDownloadService.Add(item);
}
SelectedItem = selected;
}
public void SyncMessage(params WeChatMessage[] messages)
{
var selected = SelectedItem;
foreach (var msg in messages)
{
if (msg.IsLoadMoreChats)
{
continue;
}
string chatUserName = msg.IsReceive ? msg.FromUserName : msg.ToUserName;
var chat = ChatList.FirstOrDefault(p => p.UserName == chatUserName);
if (chat != null)
{
//消息在当前聊天列表中产生
ChatList.Move(ChatList.IndexOf(chat), 0);
}
else
{
//当前列表没有找到
chat = ContactListManager.FindContact(chatUserName);
if (chat == null)
{
continue;
}
ChatList.Insert(0, chat);
ChatImageDownloadService.Add(chat);
}
if (msg.MsgType != 51) //51类型消息不插入消息列表
{
chat.LastMessage = msg.Content;
chat.LastShortTime = msg.ShortTime;
msg.IsRoom = chat.IsRoomContact();
if (msg.MsgType != 10000) //如果不是系统消息
{
if (msg.IsReceive) //只有收到消息需要显示名称
{
//是收到消息
if (msg.IsRoom)
{
//如果是群消息，且不是邀请人进群的消息
var member = chat.MemberList.FirstOrDefault(p => msg.Content.StartsWith(p.UserName));
if (member == null)
{
continue;
}
msg.Content = msg.Content.Replace(member.UserName + ":<br/>", "");
chat.LastMessage = member.ShowName + ":" + msg.Content;
msg.FromUserName = member.UserName;
msg.FromUserShowName = member.ShowName;
}
else
{
//不是群消息则显示对方显示名称
msg.FromUserShowName = chat.ShowName;
}
}
//处理消息头像
msg.Uri = msg.FromUserName.GetIconUrl();
MessageImageDownloadService.Add(msg);
var last = chat.MessageList.Where(p => p.ShowShortTime).LastOrDefault();
if (last == null || (msg.CreateDateTime - last.CreateDateTime).Minutes > 3) //如果新消息之前的消息不存在或者不在三分钟内，则显示时间
{
msg.ShowShortTime = true;
}
}
chat.MessageList.Add(msg);
}
}
SelectedItem = selected;
}
