Function fetchIssueComments

scripts/bedrock_comment_generator.ts:28–71

* Fetch existing comments on the issue

(
  owner: string,
  repo: string,
  issueNumber: number,
  githubToken: string
)

 * Fetch existing comments on the issue
 */
async function fetchIssueComments(
  owner: string,
  repo: string,
  issueNumber: number,
  githubToken: string
): Promise<string> {
  try {
    const client = new Octokit({ auth: githubToken });

    const { data: comments } = await retryWithBackoff(async () => {
      return await client.issues.listComments({
        owner,
        repo,
        issue_number: issueNumber,
        per_page: MAX_COMMENTS_TO_FETCH,
        sort: "created",
        direction: "asc",
      });
    });

    if (comments.length === 0) {
      return "(No comments yet)";
    }

    // Format comments with author and body
    const formattedComments = comments
      .map((comment, index) => {
        const author = comment.user?.login || "unknown";
        const body = comment.body || "";
        return `Comment ${index + 1} by @${author}:\n${body}`;
      })
      .join("\n\n---\n\n");

    // Truncate if too long
    if (formattedComments.length > MAX_COMMENTS_LENGTH) {
      return formattedComments.substring(0, MAX_COMMENTS_LENGTH) + "\n\n[Comments truncated for length]";
    }

    return formattedComments;
  } catch (error) {
    console.error("Error fetching issue comments:", error);
    return "(Unable to fetch comments)";
  }
}

/**
 * Initialize Bedrock client with AWS credentials