func writeDoc()

in dev/import-beats/packages.go [434:465]

30 lines of code
5 McCabe index (conditional complexity)


func writeDoc(docsPath string, doc docContent, aPackage packageContent) error {
	log.Printf("write '%s' file\n", doc.fileName)

	docFilePath := filepath.Join(docsPath, doc.fileName)
	f, err := os.OpenFile(docFilePath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
	defer f.Close()

	if err != nil {
		return errors.Wrapf(err, "opening doc file failed (path: %s)", docFilePath)
	}
	t := template.New(doc.fileName)
	if doc.templatePath == "" {
		t = template.Must(t.Parse("TODO"))
	} else {
		t, err = t.Funcs(template.FuncMap{
			"event": func(dataStream string) (string, error) {
				return "TODO", nil
			},
			"fields": func(dataStream string) (string, error) {
				return renderExportedFields(dataStream, aPackage.dataStreams)
			},
		}).ParseFiles(doc.templatePath)
		if err != nil {
			return errors.Wrapf(err, "parsing doc template failed (path: %s)", doc.templatePath)
		}
	}
	err = t.Execute(f, nil)
	if err != nil {
		return errors.Wrapf(err, "rendering doc file failed (path: %s)", docFilePath)
	}
	return nil
}