76 lines
1.6 KiB
TypeScript
76 lines
1.6 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 getFriends from '../../common/get-friends';
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import serialize from '../../serializers/post';
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/**
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* Get timeline of myself
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*
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* @param {any} params
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* @param {any} user
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* @param {any} app
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* @return {Promise<any>}
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*/
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module.exports = (params, user, app) => new Promise(async (res, rej) => {
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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 'since_id' parameter
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const [sinceId, sinceIdErr] = $(params.since_id).optional.id().$;
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if (sinceIdErr) return rej('invalid since_id param');
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// Get 'max_id' parameter
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const [maxId, maxIdErr] = $(params.max_id).optional.id().$;
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if (maxIdErr) return rej('invalid max_id param');
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// Check if both of since_id and max_id is specified
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if (sinceId && maxId) {
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return rej('cannot set since_id and max_id');
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}
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// ID list of the user $self and other users who the user follows
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const followingIds = await getFriends(user._id);
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// Construct query
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const sort = {
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_id: -1
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};
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const query = {
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user_id: {
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$in: followingIds
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},
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// TODO
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channel_id: {
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$or: [{
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$exists: false
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}, null]
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}
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} as any;
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if (sinceId) {
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sort._id = 1;
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query._id = {
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$gt: sinceId
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};
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} else if (maxId) {
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query._id = {
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$lt: maxId
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};
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}
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// Issue query
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const timeline = await Post
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.find(query, {
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limit: limit,
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sort: sort
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});
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// Serialize
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res(await Promise.all(timeline.map(async post =>
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await serialize(post, user)
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)));
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});
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