Upgrade GitHub Actions and implement element functionality

- Implement JSON response for API state in serve command
- Add GetKey method to Element and modify VolumeElement to include name in state response

Author: mathertel

.github/workflows/build.yml

@@ -15,15 +15,15 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v6
         with:
           go-version: '1.26.4'
 
       - name: Cache Go modules
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cache/go-build

cmd/serve/serve.go

@@ -6,6 +6,7 @@ package serve
 // create a web server and register all http Handlers and Functions
 
 import (
+	"encoding/json"
 	"errors"
 	"flag"
 	"fmt"
@@ -15,6 +16,8 @@ import (
 
 	"github.com/HomeDing/goding/internal/global"
 	"github.com/HomeDing/goding/internal/http/verbose"
+
+	"github.com/HomeDing/goding/internal/elements"
 )
 
 // serve command parameters
@@ -60,15 +63,22 @@ func Run() error {
 	var fileServer http.Handler = http.FileServer(http.Dir(global.WebFolder))
 
 	// TODO: enable embedding the files from /web into the binary using the embed package
-
 	mux.Handle("/", fileServer)
 
 	// mux.HandleFunc("GET /api/state", api.HandleStatus)
 
 	mux.Handle("GET /api", http.NotFoundHandler())
 
 	mux.HandleFunc("/api/state/", func(w http.ResponseWriter, r *http.Request) {
-		fmt.Fprint(w, "got path\n")
+		var v = elements.NewVolumeElement("main")
+
+		var stateMap = map[string]map[string]string{}
+
+		w.Header().Set("Content-Type", "application/json")
+
+		stateMap[v.GetKey()] = v.State()
+
+		json.NewEncoder(w).Encode(stateMap)
 	})
 
 	mux.HandleFunc("/task/{id}/", func(w http.ResponseWriter, r *http.Request) {

internal/elements/element.go

@@ -1,9 +1,13 @@
 package elements
 
+// import (
+// "maps"
+// )
+
 type Element struct {
-	Type   string // Type of the element, e.g. "volume", "light", etc.
-	Id     string // Unique identifier for the element, e.g. "speaker1", "lamp2", etc.
-	key		string // key is a unique identifier for the element, e.g. "volume/speaker1"
+	Type   string            // Type of the element, e.g. "volume", "light", etc.
+	Id     string            // Unique identifier for the element, e.g. "speaker1", "lamp2", etc.
+	key    string            // key is a unique identifier for the element, e.g. "volume/speaker1"
 	config map[string]string // config holds the configuration for the element, e.g. {"min": "0", "max": "100"}
 	values map[string]string // values holds the current state of the element, e.g. {"level": "50"}
 }
@@ -14,7 +18,6 @@ func NewElement(elementType string, elementId string) Element {
 	element := Element{
 		Id:     elementId,
 		Type:   elementType,
-		key:    elementType + "/" + elementId,
 		config: map[string]string{},
 		values: map[string]string{},
 	}
@@ -27,6 +30,10 @@ func (e *Element) Init(id string) bool {
 	return true
 }
 
+func (e *Element) GetKey() string {
+	return e.Type + "/" + e.Id
+}
+
 func (e Element) Set(key, value string) bool {
 	return false
 }
@@ -36,5 +43,9 @@ func (e Element) Loop() bool {
 }
 
 func (e Element) State() map[string]string {
-	return (map[string]string{})
+	// var res map[string]string
+	// maps.Copy(res, e.config)
+	// maps.Copy(res, e.values)
+	// return (res)
+	return (e.values)
 }

internal/elements/volume.go

@@ -1,12 +1,16 @@
 package elements
 
+import (
+	"maps"
+)
+
 type VolumeElement struct {
 	Element
 	name string
 }
 
-func NewVolumeElement(elementType string, elementId string) VolumeElement {
-	var e Element = NewElement(elementType, elementId)
+func NewVolumeElement(elementId string) VolumeElement {
+	var e Element = NewElement("volume", elementId)
 	var v VolumeElement = VolumeElement{Element: e, name: "Volume"}
 
 	v.config["min"] = "0"
@@ -15,7 +19,6 @@ func NewVolumeElement(elementType string, elementId string) VolumeElement {
 	return v
 }
 
-
 func (e VolumeElement) Set(key, value string) bool {
 
 	var oldValue string
@@ -36,5 +39,10 @@ func (e VolumeElement) Loop() bool {
 }
 
 func (e VolumeElement) State() map[string]string {
-	return e.Element.State()
+	var res = map[string]string{}
+
+	maps.Copy(res, e.Element.State())
+	res["name"] = e.name
+
+	return res
 }