55 lines
1.3 KiB
TypeScript
55 lines
1.3 KiB
TypeScript
/**
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* Module dependencies
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*/
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import $ from 'cafy';
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import Post from '../../models/post';
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import serialize from '../../serializers/post';
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/**
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* Show a replies of a post
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*
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* @param {any} params
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* @param {any} user
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* @return {Promise<any>}
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*/
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module.exports = (params, user) => new Promise(async (res, rej) => {
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// Get 'post_id' parameter
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const [postId, postIdErr] = $(params.post_id).id().$;
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if (postIdErr) return rej('invalid post_id param');
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// Get 'limit' parameter
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const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
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if (limitErr) return rej('invalid limit param');
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// Get 'offset' parameter
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const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
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if (offsetErr) return rej('invalid offset param');
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// Get 'sort' parameter
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const [sort = 'desc', sortError] = $(params.sort).optional.string().or('desc asc').$;
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if (sortError) return rej('invalid sort param');
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// Lookup post
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const post = await Post.findOne({
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_id: postId
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});
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if (post === null) {
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return rej('post not found');
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}
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// Issue query
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const replies = await Post
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.find({ reply_to_id: post._id }, {
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limit: limit,
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skip: offset,
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sort: {
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_id: sort == 'asc' ? 1 : -1
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}
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});
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// Serialize
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res(await Promise.all(replies.map(async post =>
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await serialize(post, user))));
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});
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