Added Tpye instead map

main.go

@@ -15,10 +15,22 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
+// Logic Jellyfin URL
 type Logic struct {
 	BaseURL string
 }
 
+// PublicInfo Chromecast configuration Payload
+type PublicInfo struct {
+	ID                     string
+	LocalAddress           string
+	OperatingSystem        string
+	ProductName            string
+	ServerName             string
+	StartupWizardCompleted bool
+	Version                string
+}
+
 func (l Logic) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	logger := logginghandler.Logger(r)
 
@@ -50,24 +62,15 @@ func (l Logic) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	jd := map[string]string{}
+	var jd PublicInfo
 	if err := json.Unmarshal(body, &jd); err != nil {
 		logger.Error().Msg(err.Error())
 		http.Error(w, "could not unmarshal body", http.StatusInternalServerError)
 
 		return
 	}
-
+	url := os.Getenv("JELLYFIN_URL")
-	// Delete LocalAddress from map.
+	jd.LocalAddress = url
-	_, ok := jd["LocalAddress"]
-	if ok {
-		delete(jd, "LocalAddress")
-	} else {
-		logger.Debug().Msg("nothing to do")
-
-		return
-	}
-
 	nd, err := json.Marshal(jd)
 	if err != nil {
 		logger.Error().Msg(err.Error())
@@ -91,6 +94,7 @@ func main() {
 
 	l := Logic{BaseURL: os.Args[1]}
 	handler := logginghandler.Handler(l)
+
 	http.Handle("/", handler)
 	log.Info().Msg("starting server...")
 	log.Fatal().Msg(http.ListenAndServe("0.0.0.0:8088", nil).Error())

vendor/github.com/rs/zerolog/go.mod

@@ -1,5 +1,7 @@
 module github.com/rs/zerolog
 
+go 1.15
+
 require (
 	github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e
 	github.com/pkg/errors v0.8.1