feat(device): ✨ add an agent version sensor

internal/agent/runners.go

@@ -25,7 +25,7 @@ import (
 // for this device.
 func runWorkers(ctx context.Context, trk SensorTracker, reg sensor.Registry) {
 	workerFuncs := sensorWorkers()
-	workerFuncs = append(workerFuncs, device.ExternalIPUpdater)
+	workerFuncs = append(workerFuncs, device.ExternalIPUpdater, device.VersionUpdater)
 
 	var wg sync.WaitGroup
 	var outCh []<-chan sensor.Details

internal/device/version.go

@@ -0,0 +1,66 @@
+// Copyright (c) 2024 Joshua Rich <[email protected]>
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+package device
+
+import (
+	"context"
+
+	"github.com/joshuar/go-hass-agent/internal/hass/sensor"
+	"github.com/joshuar/go-hass-agent/internal/hass/sensor/types"
+	"github.com/joshuar/go-hass-agent/internal/preferences"
+)
+
+type version string
+
+func (v *version) Name() string {
+	return "Go Hass Agent Version"
+}
+
+func (v *version) ID() string {
+	return "agent_version"
+}
+
+func (v *version) Icon() string {
+	return "mdi:face-agent"
+}
+
+func (v *version) SensorType() types.SensorClass {
+	return types.Sensor
+}
+
+func (v *version) DeviceClass() types.DeviceClass {
+	return 0
+}
+
+func (v *version) StateClass() types.StateClass {
+	return 0
+}
+
+func (v *version) State() any {
+	return preferences.AppVersion
+}
+
+func (v *version) Units() string {
+	return ""
+}
+
+func (v *version) Category() string {
+	return "diagnostic"
+}
+
+func (v *version) Attributes() any {
+	return nil
+}
+
+func VersionUpdater(_ context.Context) chan sensor.Details {
+	sensorCh := make(chan sensor.Details)
+	v := new(version)
+	go func() {
+		defer close(sensorCh)
+		sensorCh <- v
+	}()
+	return sensorCh
+}