Centralize CLI output helpers

internal/cli/output.go

@@ -0,0 +1,75 @@
+package cli
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+
+	"gitea.maximumdirect.net/eric/weatherreporter/internal/app"
+)
+
+type outputOptions struct {
+	Quiet bool
+}
+
+func writeActionResult(stdout, stderr io.Writer, value any, opts outputOptions, writeStatus func(io.Writer)) error {
+	if opts.Quiet {
+		return nil
+	}
+	if writeStatus != nil && stderr != nil {
+		writeStatus(stderr)
+	}
+	return writeJSON(stdout, value)
+}
+
+func writeJSON(stdout io.Writer, value any) error {
+	encoder := json.NewEncoder(stdout)
+	encoder.SetIndent("", "  ")
+	return encoder.Encode(value)
+}
+
+func writeBatchStatus(stderr io.Writer, result *app.BatchResult) {
+	if stderr == nil || result == nil {
+		return
+	}
+	for _, item := range result.Reports {
+		notificationFields := ""
+		if item.NotificationStatus != "" {
+			notificationFields += fmt.Sprintf(" notificationStatus=%q", item.NotificationStatus)
+		}
+		if item.NotificationRunID != "" {
+			notificationFields += fmt.Sprintf(" notificationRunId=%q", item.NotificationRunID)
+		}
+		if item.NotificationError != "" {
+			notificationFields += fmt.Sprintf(" notificationError=%q", item.NotificationError)
+		}
+		if item.Status == "failed" {
+			_, _ = fmt.Fprintf(stderr, "report=%s status=failed error=%q%s\n", item.ReportID, item.Error, notificationFields)
+			continue
+		}
+		_, _ = fmt.Fprintf(stderr, "report=%s status=succeeded output=%q%s\n", item.ReportID, item.OutputPath, notificationFields)
+	}
+	if result.Notification != nil {
+		_, _ = fmt.Fprintf(stderr, "batchNotification status=%q", result.Notification.Status)
+		if result.Notification.Reason != "" {
+			_, _ = fmt.Fprintf(stderr, " reason=%q", result.Notification.Reason)
+		}
+		if result.Notification.RunID != "" {
+			_, _ = fmt.Fprintf(stderr, " runId=%q", result.Notification.RunID)
+		}
+		if result.Notification.PipelineID != "" {
+			_, _ = fmt.Fprintf(stderr, " pipelineId=%q", result.Notification.PipelineID)
+		}
+		if result.Notification.BundleID != "" {
+			_, _ = fmt.Fprintf(stderr, " bundleId=%q", result.Notification.BundleID)
+		}
+		if result.Notification.Path != "" {
+			_, _ = fmt.Fprintf(stderr, " path=%q", result.Notification.Path)
+		}
+		if result.Notification.Error != "" {
+			_, _ = fmt.Fprintf(stderr, " error=%q", result.Notification.Error)
+		}
+		_, _ = fmt.Fprintln(stderr)
+	}
+	_, _ = fmt.Fprintf(stderr, "batch=%s total=%d succeeded=%d failed=%d\n", result.Batch, result.Total, result.Succeeded, result.Failed)
+}