func GetPullRequestStatus()

in pkg/github/pullrequests.go [461:535]
68 lines of code
12 McCabe index (conditional complexity)

func GetPullRequestStatus(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
	return mcp.NewTool("get_pull_request_status",
			mcp.WithDescription(t("TOOL_GET_PULL_REQUEST_STATUS_DESCRIPTION", "Get the status of a specific pull request.")),
			mcp.WithToolAnnotation(mcp.ToolAnnotation{
				Title:        t("TOOL_GET_PULL_REQUEST_STATUS_USER_TITLE", "Get pull request status checks"),
				ReadOnlyHint: true,
			}),
			mcp.WithString("owner",
				mcp.Required(),
				mcp.Description("Repository owner"),
			),
			mcp.WithString("repo",
				mcp.Required(),
				mcp.Description("Repository name"),
			),
			mcp.WithNumber("pullNumber",
				mcp.Required(),
				mcp.Description("Pull request number"),
			),
		),
		func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
			owner, err := requiredParam[string](request, "owner")
			if err != nil {
				return mcp.NewToolResultError(err.Error()), nil
			}
			repo, err := requiredParam[string](request, "repo")
			if err != nil {
				return mcp.NewToolResultError(err.Error()), nil
			}
			pullNumber, err := RequiredInt(request, "pullNumber")
			if err != nil {
				return mcp.NewToolResultError(err.Error()), nil
			}
			// First get the PR to find the head SHA
			client, err := getClient(ctx)
			if err != nil {
				return nil, fmt.Errorf("failed to get GitHub client: %w", err)
			}
			pr, resp, err := client.PullRequests.Get(ctx, owner, repo, pullNumber)
			if err != nil {
				return nil, fmt.Errorf("failed to get pull request: %w", err)
			}
			defer func() { _ = resp.Body.Close() }()

			if resp.StatusCode != http.StatusOK {
				body, err := io.ReadAll(resp.Body)
				if err != nil {
					return nil, fmt.Errorf("failed to read response body: %w", err)
				}
				return mcp.NewToolResultError(fmt.Sprintf("failed to get pull request: %s", string(body))), nil
			}

			// Get combined status for the head SHA
			status, resp, err := client.Repositories.GetCombinedStatus(ctx, owner, repo, *pr.Head.SHA, nil)
			if err != nil {
				return nil, fmt.Errorf("failed to get combined status: %w", err)
			}
			defer func() { _ = resp.Body.Close() }()

			if resp.StatusCode != http.StatusOK {
				body, err := io.ReadAll(resp.Body)
				if err != nil {
					return nil, fmt.Errorf("failed to read response body: %w", err)
				}
				return mcp.NewToolResultError(fmt.Sprintf("failed to get combined status: %s", string(body))), nil
			}

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

			return mcp.NewToolResultText(string(r)), nil
		}
}