func handleUserRelationPush(resp http.ResponseWriter, req *http.Request) { if req.Method == "POST" { sender_category_id := req.FormValue("sender_category_id") sender := req.FormValue("sender") receiver := req.FormValue("receiver") if sender_category_id == "" { resp.Write(common.NewIMResponseSimple(101, "请选择分组", "").Encode()) } else if sender == "" { resp.Write(common.NewIMResponseSimple(102, "请重新登录", "").Encode()) } else { //判断接收人是不是在线 在线直接推送,不在线记录至请求表中 conn, _ := model.GetConnByUserId(receiver) user, _ := model.GetUserById(sender) buddyRequestId, err := model.AddBuddyRequest(sender, sender_category_id, receiver) if err != nil { resp.Write(common.NewIMResponseSimple(100, err.Error(), "").Encode()) } else { if conn != nil { //在线 直接推送 不在线 客户登录时候会激活请求通知 data := make(map[string]interface{}) data["id"] = user.Id data["nick"] = user.Nick data["status"] = user.Status data["sign"] = user.Sign data["avatar"] = user.Avatar data["buddyRequestId"] = buddyRequestId ClientMaps[conn.Key].PutOut(common.NewIMResponseData(util.SetData("user", data), common.PUSH_BUDDY_REQUEST)) resp.Write(common.NewIMResponseSimple(0, "发送好友请求成功", "").Encode()) } resp.Write(common.NewIMResponseSimple(1, "发送好友请求成功", "").Encode()) return } } } else { resp.Write(common.NewIMResponseSimple(404, "Not Found: "+req.Method, "").Encode()) } }
/* 接收消息处理方法 */ func (this *Server) receivedHandler(request common.IMRequest) { // log.Println("开始读取数据") // log.Println("读取的数据为", request) // 获取请求的客户端 client := request.Client // 获取请求数据 reqData := request.Data // log.Printf("客户端:[%s]发送命令:[%s]消息内容:[%s]", client.Key, request.Command, request.Data) // 未登录业务处理部分 switch request.Command { case common.GET_CONN: token := reqData["user"]["token"] if token == "" { client.PutOut(common.NewIMResponseSimple(301, "用户令牌不能为空!", common.GET_CONN_RETURN)) return } // 校验用户是否登录,把Login数据放在client当中 login, err := model.GetLoginByToken(token) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.GET_CONN_RETURN)) return } client.Login = login // log.Printf("登录比较:token=%s Login=%s", token, client.Login) if !strings.EqualFold(client.Login.Token, token) { client.PutOut(common.NewIMResponseSimple(302, "该用户令牌无效!", common.GET_CONN_RETURN)) return } if client.Login.Id != "" { // 更新在线状态,如果现在已经是在线,然后再设置在线,影响行还是为0 _, err := model.UpdateUserStatus(client.Login.UserId, "1") if err != nil { client.PutOut(common.NewIMResponseSimple(304, "设置用户状态失败!", common.GET_CONN_RETURN)) return } // 创建或者更新连接信息 这个error不能handler,当没有数据时会为 sql: no rows in result set conn, _ := model.GetConnByToken(token) if conn != nil { _, err := model.UpdateConnByToken(client.Key, client.Login.UserId, token) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.GET_CONN_RETURN)) return } } else { _, err := model.AddConn(client.Key, client.Login.UserId, token) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.GET_CONN_RETURN)) return } } data := make(map[string]interface{}) data["status"] = 1 client.PutOut(common.NewIMResponseData(util.SetData("conn", data), common.GET_CONN_RETURN)) // 通知在线的好友,我上线了 keys, err := model.GetBuddiesKeyById(client.Login.UserId) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.SEND_STATUS_CHANGE)) return } for i := 0; i < len(keys); i++ { //给对应的连接推送好友状态变化的通知 data := make(map[string]string) data["id"] = client.Login.UserId data["state"] = "1" if this.clients[keys[i]] != nil { this.clients[keys[i]].PutOut(common.NewIMResponseData(util.SetData("user", data), common.PUSH_STATUS_CHANGE)) } } return } else { client.PutOut(common.NewIMResponseSimple(303, "用户未登录!", common.GET_CONN_RETURN)) return } } // 校验连接是已经授权 if client.Login == nil { client.PutOut(common.NewIMResponseSimple(401, "用户未登录!", common.UNAUTHORIZED)) return } // 已经登录业务逻辑部分 switch request.Command { case common.GET_BUDDY_LIST: // 获取好友分组列表 categories, err := model.GetCategoriesByUserId(client.Login.UserId) if err != nil { client.PutOut(common.NewIMResponseSimple(301, "获取好友分类错误!", common.GET_BUDDY_LIST_RETURN)) return } categories, err = model.GetBuddiesByCategories(categories) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.GET_BUDDY_LIST_RETURN)) return } client.PutOut(common.NewIMResponseData(util.SetData("categories", categories), common.GET_BUDDY_LIST_RETURN)) //初始化好友列表之后 检查该用户有没有未读的好友请求 并推送给用户 buddyRequests, err := model.GetBuddyRequestsByReceiver(client.Login.UserId) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.GET_BUDDY_LIST_RETURN)) } if len(buddyRequests) > 0 { for _, buddyRequest := range buddyRequests { user, _ := model.GetUserById(buddyRequest.Sender) data := make(map[string]interface{}) data["id"] = user.Id data["nick"] = user.Nick data["status"] = user.Status data["sign"] = user.Sign data["avatar"] = user.Avatar data["buddyRequestId"] = buddyRequest.Id client.PutOut(common.NewIMResponseData(util.SetData("user", data), common.PUSH_BUDDY_REQUEST)) } } case common.CREATE_SESSION: // 创建会话 //{"command":"CREATE_SESSION","data":{"session":{"sender":"xxx","receiver":"xxx","token":"xxxx"}}} sender := reqData["session"]["sender"] receiver := reqData["session"]["receiver"] if sender == "" { client.PutOut(common.NewIMResponseSimple(301, "发送者不能为空!", common.CREATE_SESSION_RETURN)) return } if receiver == "" { client.PutOut(common.NewIMResponseSimple(302, "接收者不能为空!", common.CREATE_SESSION_RETURN)) return } conversationId := model.GetSession(sender, receiver).Id if conversationId == "" { conversationId = model.AddSession(sender, receiver) } if conversationId == "" { client.PutOut(common.NewIMResponseSimple(303, "创建会话失败", common.GET_CONN_RETURN)) return } else { data := make(map[string]string) data["ticket"] = conversationId data["receiver"] = receiver client.PutOut(common.NewIMResponseData(util.SetData("session", data), common.CREATE_SESSION_RETURN)) } case common.SEND_MSG: ticket := reqData["message"]["ticket"] content := reqData["message"]["content"] if ticket == "" { client.PutOut(common.NewIMResponseSimple(301, "Ticket不能为空!", common.SEND_MSG_RETURN)) return } if content == "" { client.PutOut(common.NewIMResponseSimple(302, "消息内容不能为空!", common.SEND_MSG_RETURN)) return } conversion, err := model.GetSessionById(ticket) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.SEND_MSG_RETURN)) return } if conversion.Id != "" { isSent := false keys, err := model.GetReceiverKeyByTicket(ticket) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.SEND_MSG_RETURN)) return } for _, key := range keys { if this.clients[key] == nil { // client.PutOut(common.NewIMResponseSimple(402, "对方还未登录!", common.SEND_MSG_RETURN)) continue } // 把消息转发给接收者 data := make(map[string]string) data["sender"] = client.Login.UserId data["ticket"] = ticket data["content"] = content log.Println("开始转发给:", key) this.clients[key].PutOut(common.NewIMResponseData(util.SetData("message", data), common.PUSH_MSG)) isSent = true } if !isSent { client.PutOut(common.NewIMResponseSimple(304, "对方不在线!", common.GET_CONN_RETURN)) return } } else { client.PutOut(common.NewIMResponseSimple(303, "会话已关闭!", common.SEND_MSG_RETURN)) return } case common.SEND_STATUS_CHANGE: status := reqData["user"]["status"] if status == "" { client.PutOut(common.NewIMResponseSimple(301, "状态不能为空!", common.SEND_STATUS_CHANGE)) return } user, err := model.GetUserByToken(client.Login.Token) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.SEND_STATUS_CHANGE)) return } //判断用户的合法性 if user.Id == "" { //判断要求改变的状态和当前该用户的状态是否一致 if strings.EqualFold(user.Status, status) { //FIXME 此处不做如果状态是离线就删除用户连接的操作,状态改变认为是客户端手动操作或者网络异常 _, err := model.UpdateUserStatus(user.Id, status) if err != nil { client.PutOut(common.NewIMResponseSimple(304, err.Error(), common.SEND_STATUS_CHANGE)) return } keys, err := model.GetBuddiesKeyById(user.Id) if err != nil { client.PutOut(common.NewIMResponseSimple(300, err.Error(), common.SEND_STATUS_CHANGE)) return } for i := 0; i < len(keys); i++ { //给对应的连接推送好友状态变化的通知 data := make(map[string]string) data["id"] = user.Id data["state"] = reqData["user"]["status"] this.clients[keys[i]].PutOut(common.NewIMResponseData(util.SetData("user", data), common.PUSH_STATUS_CHANGE)) } } else { client.PutOut(common.NewIMResponseSimple(303, "请退出重新登录!", common.SEND_STATUS_CHANGE)) return } } else { client.PutOut(common.NewIMResponseSimple(302, "Token不合法!", common.SEND_STATUS_CHANGE)) return } case common.LOGOUT_REQUEST: client.Quiting() case common.SEND_BUDDY_REQUEST: receiver := reqData["buddyRequest"]["receiver"] //判断接收者是不是在线 user, _ := model.GetUserById(receiver) if user == nil || user.Status == "0" { //不在线 记录到好友请求表中 id, _ := model.AddBuddyRequest(reqData["buddyRequest"]["sender"], reqData["buddyRequest"]["senderCateId"], receiver) if id != nil { } } else { //在线直接推送给接收者 conn, _ := model.GetConnByUserId(receiver) data := make(map[string]string) data["sender"] = reqData["buddyRequest"]["sender"] data["senderCateId"] = reqData["buddyRequest"]["senderCateId"] data["receiver"] = reqData["buddyRequest"]["receiver"] this.clients[conn.Key].PutOut(common.NewIMResponseData(util.SetData("buddyRequest", data), common.PUSH_BUDDY_REQUEST)) } } }