Fix tight loop (gitter). Closes #68.

vendor/github.com/42wim/go-gitter/faye.go

@@ -0,0 +1,70 @@
+package gitter
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/mrexodia/wray"
+)
+
+type Faye struct {
+	endpoint string
+	Event    chan Event
+	client   *wray.FayeClient
+	gitter   *Gitter
+}
+
+func (gitter *Gitter) Faye(roomID string) *Faye {
+	wray.RegisterTransports([]wray.Transport{
+		&wray.HttpTransport{
+			SendHook: func(data map[string]interface{}) {
+				if channel, ok := data["channel"]; ok && channel == "/meta/handshake" {
+					data["ext"] = map[string]interface{}{"token": gitter.config.token}
+				}
+			},
+		},
+	})
+	return &Faye{
+		endpoint: "/api/v1/rooms/" + roomID + "/chatMessages",
+		Event:    make(chan Event),
+		client:   wray.NewFayeClient(fayeBaseURL),
+		gitter:   gitter,
+	}
+}
+
+func (faye *Faye) Listen() {
+	defer faye.destroy()
+
+	faye.client.Subscribe(faye.endpoint, false, func(message wray.Message) {
+		dataBytes, err := json.Marshal(message.Data["model"])
+		if err != nil {
+			fmt.Printf("JSON Marshal error: %v\n", err)
+			return
+		}
+		var gitterMessage Message
+		err = json.Unmarshal(dataBytes, &gitterMessage)
+		if err != nil {
+			fmt.Printf("JSON Unmarshal error: %v\n", err)
+			return
+		}
+		faye.Event <- Event{
+			Data: &MessageReceived{
+				Message: gitterMessage,
+			},
+		}
+	})
+
+	//TODO: this might be needed in the future
+	/*go func() {
+		for {
+			faye.client.Publish("/api/v1/ping2", map[string]interface{}{"reason": "ping"})
+			time.Sleep(60 * time.Second)
+		}
+	}()*/
+
+	faye.client.Listen()
+}
+
+func (faye *Faye) destroy() {
+	close(faye.Event)
+}