/// <summary>
/// 当服务删除WebSocket时触发
/// </summary>
/// <param name="webSocketContext"></param>
private void ChatService_OnRemoveWebSocket(WebSocketService.Core.WebSocketContext webSocketContext)
{
Guid userId = GetUidFunc(webSocketContext.HttpListenerWebSocketContext);
var user = Users.FirstOrDefault(p => p.UserId.Equals(userId));
if (user != null)
{
user.ChatOffLine();
}
}
/// <summary>
/// 当接收到消息时触发
/// </summary>
/// <param name="context"></param>
/// <param name="message"></param>
private void ChatService_OnReceiveMessage(WebSocketService.Core.WebSocketContext context, string message)
{
ReceiveMessage receiveMessage = Newtonsoft.Json.JsonConvert.DeserializeObject <ReceiveMessage>(message);
switch (receiveMessage.MessageType)
{
case MessageType.message:
switch (receiveMessage.ReceiverType)
{
case ReceiverType.individual:
IndividualSendMessage(receiveMessage);
break;
case ReceiverType.group:
GroupSendMessage(receiveMessage);
break;
}
break;
case MessageType.readStatusChange:
MessageRead(receiveMessage);
break;
}
}
/// <summary>
/// 当服务添加WebSocket时触发
/// </summary>
/// <param name="webSocketContext"></param>
private void ChatService_OnAddWebSocket(WebSocketService.Core.WebSocketContext webSocketContext)
{
Guid uid = default(Guid);
if (GetUidFunc == null && webSocketContext.HttpListenerWebSocketContext.User != null)
{
string name = webSocketContext.HttpListenerWebSocketContext.User.Identity.Name;
uid = Guid.Parse(name);
}
else
{
uid = GetUidFunc(webSocketContext.HttpListenerWebSocketContext);
}
var user = Users.FirstOrDefault(p => p.UserId.Equals(uid));
List <ReceiveMessage> receiveMessages = null;
using (var repository = CreateRepositoryFunc())
{
if (user == null)
{
user = repository.GetUsers().FirstOrDefault(p => p.UserId.Equals(uid));
if (user == null)
{
throw new Exception($"用户【{uid}】不存在！");
}
Users.Add(user);
}
receiveMessages = repository.GetUnReadChatMessage(uid).ToList();
}
user.ChatOnLine(webSocketContext);
foreach (var message in receiveMessages)
{
var sendMessage = new SendMessage(message.MessageId, message.SenderId, message.ReceiverType, message.MessageType, message.Message);
user.SendMessageAsync(sendMessage).Wait();
}
}
