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