Sharkey/src/server/api/endpoints/posts/mentions.ts

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/**
* Module dependencies
*/
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import $ from 'cafy';
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import Post from '../../models/post';
import getFriends from '../../common/get-friends';
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import { pack } from '../../models/post';
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/**
* Get mentions of myself
*
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* @param {any} params
* @param {any} user
* @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 'following' parameter
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const [following = false, followingError] =
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$(params.following).optional.boolean().$;
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if (followingError) return rej('invalid following 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 'sinceId' parameter
const [sinceId, sinceIdErr] = $(params.sinceId).optional.id().$;
if (sinceIdErr) return rej('invalid sinceId param');
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// Get 'untilId' parameter
const [untilId, untilIdErr] = $(params.untilId).optional.id().$;
if (untilIdErr) return rej('invalid untilId param');
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// Check if both of sinceId and untilId is specified
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if (sinceId && untilId) {
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return rej('cannot set sinceId and untilId');
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}
// Construct query
const query = {
mentions: user._id
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} as any;
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const sort = {
_id: -1
};
if (following) {
const followingIds = await getFriends(user._id);
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query.userId = {
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$in: followingIds
};
}
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if (sinceId) {
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sort._id = 1;
query._id = {
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$gt: sinceId
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};
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} else if (untilId) {
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query._id = {
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$lt: untilId
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};
}
// Issue query
const mentions = await Post
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.find(query, {
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limit: limit,
sort: sort
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});
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// Serialize
res(await Promise.all(mentions.map(async mention =>
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await pack(mention, user)
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)));
});