Function GetIssueLabels

pkg/github/issues.go:949–999

(ctx context.Context, client *githubv4.Client, owner string, repo string, issueNumber int)

}

func GetIssueLabels(ctx context.Context, client *githubv4.Client, owner string, repo string, issueNumber int) (*mcp.CallToolResult, error) {
	// Get current labels on the issue using GraphQL
	var query struct {
		Repository struct {
			Issue struct {
				Labels struct {
					Nodes []struct {
						ID          githubv4.ID
						Name        githubv4.String
						Color       githubv4.String
						Description githubv4.String
					}
					TotalCount githubv4.Int
				} `graphql:"labels(first: 100)"`
			} `graphql:"issue(number: $issueNumber)"`
		} `graphql:"repository(owner: $owner, name: $repo)"`
	}

	vars := map[string]any{
		"owner":       githubv4.String(owner),
		"repo":        githubv4.String(repo),
		"issueNumber": githubv4.Int(issueNumber), // #nosec G115 - issue numbers are always small positive integers
	}

	if err := client.Query(ctx, &query, vars); err != nil {
		return ghErrors.NewGitHubGraphQLErrorResponse(ctx, "Failed to get issue labels", err), nil
	}

	// Extract label information
	issueLabels := make([]map[string]any, len(query.Repository.Issue.Labels.Nodes))
	for i, label := range query.Repository.Issue.Labels.Nodes {
		issueLabels[i] = map[string]any{
			"id":          fmt.Sprintf("%v", label.ID),
			"name":        string(label.Name),
			"color":       string(label.Color),
			"description": string(label.Description),
		}
	}

	response := map[string]any{
		"labels":     issueLabels,
		"totalCount": int(query.Repository.Issue.Labels.TotalCount),
	}

	out, err := json.Marshal(response)
	if err != nil {
		return nil, fmt.Errorf("failed to marshal response: %w", err)
	}

	return utils.NewToolResultText(string(out)), nil
}

// ListIssueTypes creates a tool to list defined issue types for an organization or repository.
// This can be used to understand supported issue type values for creating or updating issues.