60 lines
1.3 KiB
TypeScript
60 lines
1.3 KiB
TypeScript
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/**
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* Module dependencies
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*/
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import $ from 'cafy';
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import Channel from '../models/channel';
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import serialize from '../serializers/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] = $(params.limit).optional.number().range(1, 100).$;
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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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// 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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$gt: sinceId
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};
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} else if (maxId) {
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query._id = {
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$lt: maxId
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};
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}
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// Issue query
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const 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 serialize(channel, me))));
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});
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