.

backend/cmd/main.go

@@ -70,6 +70,8 @@ func main() {
 	// PASTIKAN BARIS INI ADA DI SINI:
 	r.POST("/api/hardware/control", controllers.ControlHardware)
 
+	r.GET("/api/hardware/status", controllers.GetHardwareStatus)
+
 	r.GET("/api/hardware/power-status", controllers.GetPowerStatus)
 
 	r.Run(":8080")

backend/controllers/hardwarecontroller.go

@@ -24,6 +24,14 @@ type VerifyRequest struct {
 	Token string `json:"token"`
 }
 
+// --- CACHE STATUS HARDWARE (Mengingat status terakhir perangkat) ---
+var DeviceStatusCache = map[string]string{
+	"lampu1":    "off",
+	"lampu2":    "off",
+	"ac":        "off",
+	"projector": "off",
+}
+
 // =========================================================================
 // FUNGSI 1: VERIFIKASI HARDWARE & HITUNG SISA WAKTU DINAMIS
 // =========================================================================
@@ -48,7 +56,7 @@ func VerifyHardwareCode(c *gin.Context) {
 
 	// 1. Cek di tabel bookings (Redeem Code)
 	errBooking := config.DB.Table("bookings").
-		Select("end_time"). 
+		Select("end_time").
 		Where("redeem_code = ?", tokenInput).
 		Scan(&result).Error
 
@@ -59,7 +67,7 @@ func VerifyHardwareCode(c *gin.Context) {
 	} else {
 		// 2. Cek di tabel class_schedules (Kode MK)
 		errSchedule := config.DB.Table("class_schedules").
-			Select("end_time"). 
+			Select("end_time").
 			Where("kode_mk = ?", tokenInput).
 			Scan(&result).Error
 
@@ -131,6 +139,8 @@ func ControlHardware(c *gin.Context) {
 		token := client.Publish(topic, 0, false, req.Action)
 		token.Wait()
 
+		DeviceStatusCache[req.Device] = req.Action
+
 		c.JSON(http.StatusOK, gin.H{
 			"status":  "success",
 			"message": fmt.Sprintf("Berhasil mengirim perintah %s ke %s via MQTT", req.Action, req.Device),
@@ -195,8 +205,8 @@ func ControlHardware(c *gin.Context) {
 func GetPowerStatus(c *gin.Context) {
 	haURL := os.Getenv("HA_URL")
 	haToken := os.Getenv("HA_TOKEN")
-	
-	entityID := "sensor.kwh_meter_power" 
+
+	entityID := "sensor.kwh_meter_power"
 	apiURL := fmt.Sprintf("%s/api/states/%s", haURL, entityID)
 
 	req, _ := http.NewRequest("GET", apiURL, nil)
@@ -221,4 +231,14 @@ func GetPowerStatus(c *gin.Context) {
 	}
 
 	c.JSON(http.StatusOK, gin.H{"power": powerStr})
+}
+
+// =========================================================================
+// FUNGSI 4: MENGAMBIL STATUS PERANGKAT SECARA REAL-TIME
+// =========================================================================
+func GetHardwareStatus(c *gin.Context) {
+	c.JSON(http.StatusOK, gin.H{
+		"status": "success",
+		"data":   DeviceStatusCache,
+	})
 }