Function listLabels

pkg/cmd/label/http.go:68–127

listLabels lists the labels in the given repo. Pass -1 for limit to list all labels; otherwise, only that number of labels is returned for any number of pages.

(client *http.Client, repo ghrepo.Interface, opts listQueryOptions)

// listLabels lists the labels in the given repo. Pass -1 for limit to list all labels;
// otherwise, only that number of labels is returned for any number of pages.
func listLabels(client *http.Client, repo ghrepo.Interface, opts listQueryOptions) ([]label, int, error) {
	if len(opts.fields) == 0 {
		opts.fields = defaultFields
	}

	apiClient := api.NewClientFromHTTP(client)
	fragment := fmt.Sprintf("fragment label on Label{%s}", strings.Join(opts.fields, ","))
	query := fragment + `
	query LabelList($owner: String!, $repo: String!, $limit: Int!, $endCursor: String, $query: String, $orderBy: LabelOrder) {
		repository(owner: $owner, name: $repo) {
			labels(first: $limit, after: $endCursor, query: $query, orderBy: $orderBy) {
				totalCount,
				nodes {
					...label
				}
				pageInfo {
					hasNextPage
					endCursor
				}
			}
		}
	}`

	variables := map[string]interface{}{
		"owner":   repo.RepoOwner(),
		"repo":    repo.RepoName(),
		"orderBy": opts.OrderBy(),
		"query":   opts.Query,
	}

	var labels []label
	var totalCount int

loop:
	for {
		var response listLabelsResponseData
		variables["limit"] = determinePageSize(opts.Limit - len(labels))
		err := apiClient.GraphQL(repo.RepoHost(), query, variables, &response)
		if err != nil {
			return nil, 0, err
		}

		totalCount = response.Repository.Labels.TotalCount

		for _, label := range response.Repository.Labels.Nodes {
			labels = append(labels, label)
			if len(labels) == opts.Limit {
				break loop
			}
		}

		if response.Repository.Labels.PageInfo.HasNextPage {
			variables["endCursor"] = response.Repository.Labels.PageInfo.EndCursor
		} else {
			break
		}
	}