systemprompt-mcp-server

import { getCommentSuccessMessage } from '../../constants/tool/get-comment.js'; import { RedditError } from '../../types/reddit.js'; import { formatToolResponse } from './types.js'; import type { ToolHandler, GetCommentArgs} from './types.js'; export const handleGetComment: ToolHandler<GetCommentArgs> = async (args, { redditService }) => { try { const { id, includeThread } = args; if (!id) { throw new RedditError("id is required for fetching comments", "VALIDATION_ERROR"); } // First fetch the single comment to get its permalink const comment = await redditService.fetchCommentById(id); // If includeThread is true, fetch the entire thread using the post ID from permalink if (includeThread) { // Extract post ID from permalink (format: /r/subreddit/comments/id/...) const idFromPermalink = comment.permalink.split("/")[4]; if (!idFromPermalink) { throw new RedditError("Could not extract post ID from permalink", "VALIDATION_ERROR"); } const parentId = `t3_${idFromPermalink}`; const commentThread = await redditService.fetchCommentThread(parentId, id); return formatToolResponse({ message: getCommentSuccessMessage, result: { commentThread: formatCommentThreadForDisplay(commentThread), }, }); } // Otherwise, just return the single comment return formatToolResponse({ message: getCommentSuccessMessage, result: { comment: formatCommentForDisplay(comment), }, }); } catch (error) { return formatToolResponse({ status: "error", message: `Failed to fetch comment: ${error instanceof Error ? error.message : "Unknown error"}`, error: { type: error instanceof RedditError ? error.type : "API_ERROR", details: error, }, }); } }; function formatCommentForDisplay(comment: any) { return { ...comment, body: comment.body.length > 1000 ? `${comment.body.substring(0, 1000)}... (truncated)` : comment.body, formattedTime: new Date(comment.createdUtc * 1000).toISOString(), }; } function formatCommentThreadForDisplay(thread: any) { const { comment, replies } = thread; return { comment: formatCommentForDisplay(comment), replies: replies.map((reply: any) => formatCommentThreadForDisplay(reply)), }; }