Added infrastructure for basic WebSocket API (#3432)

api/websocket_handler.go

@@ -0,0 +1,42 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api
+
+import (
+	l4g "github.com/alecthomas/log4go"
+
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+)
+
+func ApiWebSocketHandler(wh func(*model.WebSocketRequest, map[string]interface{}) *model.AppError) *webSocketHandler {
+	return &webSocketHandler{wh}
+}
+
+type webSocketHandler struct {
+	handlerFunc func(*model.WebSocketRequest, map[string]interface{}) *model.AppError
+}
+
+func (wh *webSocketHandler) ServeWebSocket(conn *WebConn, r *model.WebSocketRequest) {
+	l4g.Debug("/api/v3/users/websocket:%s", r.Action)
+
+	r.Session = *GetSession(conn.SessionToken)
+	r.T = conn.T
+	r.Locale = conn.Locale
+
+	data := make(map[string]interface{})
+
+	if err := wh.handlerFunc(r, data); err != nil {
+		l4g.Error(utils.T("api.web_socket_handler.log.error"), "/api/v3/users/websocket", r.Action, r.Seq, r.Session.UserId, err.SystemMessage(utils.T), err.DetailedError)
+		err.DetailedError = ""
+		conn.Send <- model.NewWebSocketError(r.Seq, err)
+		return
+	}
+
+	conn.Send <- model.NewWebSocketResponse(model.STATUS_OK, r.Seq, data)
+}
+
+func NewInvalidWebSocketParamError(action string, name string) *model.AppError {
+	return model.NewLocAppError("/api/v3/users/websocket:"+action, "api.websocket_handler.invalid_param.app_error", map[string]interface{}{"Name": name}, "")
+}