59 lines
1.3 KiB
TypeScript
59 lines
1.3 KiB
TypeScript
/**
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* Module dependencies
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*/
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import $ from 'cafy'; import ID from '../../../cafy-id';
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import Channel, { pack } from '../../../models/channel';
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/**
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* Get all channels
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*
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* @param {any} params
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* @param {any} me
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* @return {Promise<any>}
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*/
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module.exports = (params, me) => new Promise(async (res, rej) => {
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// Get 'limit' parameter
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const [limit = 10, limitErr] = $.num.optional().range(1, 100).get(params.limit);
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if (limitErr) return rej('invalid limit param');
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// Get 'sinceId' parameter
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const [sinceId, sinceIdErr] = $.type(ID).optional().get(params.sinceId);
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if (sinceIdErr) return rej('invalid sinceId param');
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// Get 'untilId' parameter
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const [untilId, untilIdErr] = $.type(ID).optional().get(params.untilId);
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if (untilIdErr) return rej('invalid untilId param');
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// Check if both of sinceId and untilId is specified
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if (sinceId && untilId) {
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return rej('cannot set sinceId and untilId');
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}
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// Construct query
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const sort = {
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_id: -1
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};
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const query = {} as any;
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if (sinceId) {
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sort._id = 1;
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query._id = {
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$gt: sinceId
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};
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} else if (untilId) {
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query._id = {
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$lt: untilId
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};
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}
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// Issue query
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const channels = await Channel
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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(channels.map(async channel =>
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await pack(channel, me))));
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});
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