add ws handler

api/handler/ws_handler.go

@@ -0,0 +1,85 @@
+package handler
+
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+// * Copyright 2023 The Geek-AI Authors. All rights reserved.
+// * Use of this source code is governed by a Apache-2.0 license
+// * that can be found in the LICENSE file.
+// * @Author yangjian102621@163.com
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+import (
+	"geekai/core"
+	"geekai/core/types"
+	"geekai/service"
+	"geekai/store/model"
+	"geekai/utils"
+	"github.com/gin-gonic/gin"
+	"github.com/gorilla/websocket"
+	"net/http"
+)
+
+// Websocket 连接处理 handler
+
+type WebsocketHandler struct {
+	BaseHandler
+	wsService *service.WebsocketService
+}
+
+func NewWebsocketHandler(app *core.AppServer, s *service.WebsocketService) *WebsocketHandler {
+	return &WebsocketHandler{
+		BaseHandler: BaseHandler{App: app},
+		wsService:   s,
+	}
+}
+
+func (h *WebsocketHandler) Client(c *gin.Context) {
+	ws, err := (&websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }}).Upgrade(c.Writer, c.Request, nil)
+	if err != nil {
+		logger.Error(err)
+		c.Abort()
+		return
+	}
+
+	userId := h.GetInt(c, "user_id", 0)
+	clientId := c.Query("client")
+	client := types.NewWsClient(ws)
+	if userId == 0 {
+		_ = client.Send([]byte("Invalid user_id"))
+		c.Abort()
+		return
+	}
+	var user model.User
+	if err := h.DB.Where("id", userId).First(&user).Error; err != nil {
+		_ = client.Send([]byte("Invalid user_id"))
+		c.Abort()
+		return
+	}
+
+	h.wsService.Clients.Put(clientId, client)
+	logger.Infof("New websocket connected, IP: %s", c.RemoteIP())
+	go func() {
+		for {
+			_, msg, err := client.Receive()
+			if err != nil {
+				logger.Debugf("close connection: %s", client.Conn.RemoteAddr())
+				client.Close()
+			}
+
+			var message types.InputMessage
+			err = utils.JsonDecode(string(msg), &message)
+			if err != nil {
+				continue
+			}
+
+			logger.Infof("Receive a message:%+v", message)
+			if message.Type == types.WsMsgTypePing {
+				_ = client.Send([]byte(`{"type":"pong"}`))
+			}
+
+			switch message.Channel {
+
+			}
+
+		}
+	}()
+}