add telemetry to cli

cli/packages/telemetry/telemetry.go

@@ -0,0 +1,64 @@
+package telemetry
+
+import (
+	"os"
+
+	"github.com/Infisical/infisical-merge/packages/util"
+	"github.com/denisbrodbeck/machineid"
+	"github.com/posthog/posthog-go"
+)
+
+type Telemetry struct {
+	isEnabled     bool
+	posthogClient posthog.Client
+}
+
+func NewTelemetry(telemetryIsEnabled bool) *Telemetry {
+	client, _ := posthog.NewWithConfig(
+		os.Getenv("POSTHOG_API_KEY_FOR_CLI"),
+		posthog.Config{},
+	)
+	return &Telemetry{isEnabled: telemetryIsEnabled, posthogClient: client}
+}
+
+func (t *Telemetry) CaptureEvent(eventName string, properties posthog.Properties) {
+	userIdentity, err := t.GetDistinctId()
+	if err != nil {
+		return
+	}
+
+	if t.isEnabled {
+		t.posthogClient.Enqueue(posthog.Capture{
+			DistinctId: userIdentity,
+			Event:      eventName,
+			Properties: properties,
+		})
+	}
+
+	defer t.posthogClient.Close()
+}
+
+func (t *Telemetry) GetDistinctId() (string, error) {
+	var distinctId string
+	var outputErr error
+
+	machineId, err := machineid.ID()
+	if err != nil {
+		outputErr = err
+	}
+
+	userDetails, err := util.GetCurrentLoggedInUserDetails()
+	if err != nil {
+		outputErr = err
+	}
+
+	if userDetails.IsUserLoggedIn && userDetails.UserCredentials.Email != "" {
+		distinctId = userDetails.UserCredentials.Email
+	} else if machineId != "" {
+		distinctId = "anonymous_cli" + machineId
+	} else {
+		distinctId = ""
+	}
+
+	return distinctId, outputErr
+}