feat: remove state message retrieval and associated SQLite storage

cmd/server/main.go

@@ -8,7 +8,6 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
-	"strings"
 	"syscall"
 	"time"
 
@@ -20,7 +19,6 @@ import (
 	"git.piskot.si/SeminarM2/lambdaiot-core/internal/handler"
 	"git.piskot.si/SeminarM2/lambdaiot-core/internal/middleware"
 	mqttclient "git.piskot.si/SeminarM2/lambdaiot-core/internal/mqtt"
-	"git.piskot.si/SeminarM2/lambdaiot-core/internal/storage"
 )
 
 func main() {
@@ -52,26 +50,10 @@ func main() {
 	if cfg.Server.Port != 0 {
 		addr = fmt.Sprintf(":%d", cfg.Server.Port)
 	}
-
 	// connect to MQTT broker (best-effort)
 	var mq *mqttclient.Client
 	var checker *devicecheck.Checker
 	var checkCancel context.CancelFunc
-	// initialize sqlite for state messages
-	var stateDB *storage.DB
-	{
-		dbPath := os.Getenv("SQLITE_PATH")
-		if dbPath == "" {
-			dbPath = "state_messages.db"
-		}
-		dbInit, err := storage.Init(dbPath)
-		if err != nil {
-			log.Printf("warning: sqlite init failed: %v", err)
-		} else {
-			stateDB = dbInit
-			storage.SetDefault(stateDB)
-		}
-	}
 	if cfg.MQTT.Broker != "" {
 		mqc, err := mqttclient.Connect(cfg.MQTT)
 		if err != nil {
@@ -92,12 +74,6 @@ func main() {
 					if checker != nil {
 						checker.HandleMessage(p)
 					}
-					// if topic starts with state: -> store in sqlite
-					if strings.HasPrefix(t, "state:") {
-						if storage.Default != nil {
-							_ = storage.Default.InsertMessage(string(p), time.Now())
-						}
-					}
 				}
 				if err := mq.Subscribe(cfg.MQTT.Topic, handlerFn); err != nil {
 					log.Printf("warning: mqtt subscribe failed: %v", err)
@@ -149,7 +125,6 @@ func main() {
 	auth.Use(middleware.AuthMiddleware(cfg.Server.JWTSecret))
 	auth.GET("/protected", h.Protected)
 	auth.GET("/mqttping", h.MQTTPing)
-	auth.GET("/messages", handler.GetMessages)
 	auth.GET("/sensors", h.GetSensors)
 	auth.GET("/sensors/:id", h.GetSensor)
 	auth.POST("/sensors/:id/trigger", h.TriggerSensor)
@@ -202,9 +177,6 @@ func main() {
 	if checkCancel != nil {
 		checkCancel()
 	}
-	if stateDB != nil {
-		stateDB.Close()
-	}
 	log.Println("server exiting")
 }