Function MatchCategory

pkg/cmd/discussion/shared/categories.go:14–32

MatchCategory finds a category by name or slug (case-insensitive). It prefers an exact slug match over a name match, so users are encouraged to use slugs for unambiguous lookups.

(input string, categories []client.DiscussionCategory)

// It prefers an exact slug match over a name match, so users are
// encouraged to use slugs for unambiguous lookups.
func MatchCategory(input string, categories []client.DiscussionCategory) (*client.DiscussionCategory, error) {
	for i := range categories {
		if strings.EqualFold(categories[i].Slug, input) {
			return &categories[i], nil
		}
	}
	for i := range categories {
		if strings.EqualFold(categories[i].Name, input) {
			return &categories[i], nil
		}
	}

	slugs := make([]string, len(categories))
	for i, c := range categories {
		slugs[i] = c.Slug
	}
	slices.Sort(slugs)
	return nil, fmt.Errorf("unknown category: %q; must be one of: %s", input, strings.Join(slugs, ", "))
}