moved all validation and parsing from handler to service layer

internal/domains/sensors/handlers.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"log/slog"
 	"nats-app/internal/iot"
-	"time"
 
 	"github.com/nats-io/nats.go"
 )
@@ -93,11 +92,6 @@ func (h *Handlers) SetupEndpoints() *Handlers {
 func (h *Handlers) register() {
 	h.NATS.Subscribe(subjectSensorsRegister, func(msg *nats.Msg) {
 		handleRequest(msg, func(req Sensor) (Sensor, error) {
-			if err := req.Validate(); err != nil {
-				slog.Error("error validating sensor", "error", err)
-				return Sensor{}, err
-			}
-
 			if err := h.service.RegisterSensor(req); err != nil {
 				return Sensor{}, err
 			}
@@ -112,18 +106,7 @@ func (h *Handlers) register() {
 func (h *Handlers) registerData() {
 	h.NATS.Subscribe(subjectSensorsData+"*", func(msg *nats.Msg) {
 		handlePublish(msg, func(data SensorData) error {
-			if err := data.Validate(); err != nil {
-				slog.Error("error validating sensor data", "error", err)
-				return err
-			}
-
-			if err := h.service.RegisterSensorData(data); err != nil {
-				slog.Error("failed to save sensor data", "error", err, "sensor_id", data.SensorID)
-				return err
-			}
-
-			slog.Debug("sensor data saved", "sensor_id", data.SensorID, "value", data.Value)
-			return nil
+			return h.service.RegisterSensorData(data)
 		})
 	})
 }
@@ -131,12 +114,6 @@ func (h *Handlers) registerData() {
 func (h *Handlers) update() {
 	h.NATS.Subscribe(subjectSensorsUpdate, func(msg *nats.Msg) {
 		handleRequest(msg, func(req Sensor) (Sensor, error) {
-			slog.Debug("calling sensor.update", "payload", req)
-
-			if err := req.Validate(); err != nil {
-				return Sensor{}, err
-			}
-
 			if err := h.service.UpdateSensor(req); err != nil {
 				return Sensor{}, err
 			}
@@ -151,13 +128,7 @@ func (h *Handlers) update() {
 func (h *Handlers) get() {
 	h.NATS.Subscribe(subjectSensorsGet, func(msg *nats.Msg) {
 		handleRequest(msg, func(req SensorRequest) (Sensor, error) {
-			slog.Debug("calling sensor.get", "payload", req)
-
-			if err := req.Validate(); err != nil {
-				return Sensor{}, err
-			}
-
-			return h.service.GetSensor(req.SensorID)
+			return h.service.GetSensor(req)
 		})
 	})
 }
@@ -165,21 +136,7 @@ func (h *Handlers) get() {
 func (h *Handlers) getValues() {
 	h.NATS.Subscribe(subjectSensorsValuesGet, func(msg *nats.Msg) {
 		handleRequest(msg, func(req SensorDataRequest) ([]SensorData, error) {
-			if err := req.Validate(); err != nil {
-				return []SensorData{}, err
-			}
-
-			from, err := time.Parse(time.RFC3339, *req.From)
-			if err != nil {
-				return []SensorData{}, err
-			}
-
-			to, err := time.Parse(time.RFC3339, *req.To)
-			if err != nil {
-				return []SensorData{}, err
-			}
-
-			return h.service.GetValues(req.SensorID, from, to)
+			return h.service.GetValues(req)
 		})
 	})
 }