Sharkey/src/api/endpoints/posts.ts

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/**
* Module dependencies
*/
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import $ from 'cafy';
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import Post from '../models/post';
import serialize from '../serializers/post';
/**
* Lists all posts
*
* @param {any} params
* @return {Promise<any>}
*/
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module.exports = (params) => new Promise(async (res, rej) => {
// Get 'reply' parameter
const [reply, replyErr] = $(params.reply).optional.boolean().$;
if (replyErr) return rej('invalid reply param');
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// Get 'repost' parameter
const [repost, repostErr] = $(params.repost).optional.boolean().$;
if (repostErr) return rej('invalid repost param');
// Get 'media' parameter
const [media, mediaErr] = $(params.media).optional.boolean().$;
if (mediaErr) return rej('invalid media param');
// Get 'poll' parameter
const [poll, pollErr] = $(params.poll).optional.boolean().$;
if (pollErr) return rej('invalid poll 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 '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
if (sinceId && maxId) {
return rej('cannot set since_id and max_id');
}
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// Construct query
const sort = {
_id: -1
};
const query = {} as any;
if (sinceId) {
sort._id = 1;
query._id = {
$gt: sinceId
};
} else if (maxId) {
query._id = {
$lt: maxId
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};
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}
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if (reply != undefined) {
query.reply_to_id = reply ? { $exists: true, $ne: null } : null;
}
if (repost != undefined) {
query.repost_id = repost ? { $exists: true, $ne: null } : null;
}
if (media != undefined) {
query.media_ids = media ? { $exists: true, $ne: null } : null;
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}
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if (poll != undefined) {
query.poll = poll ? { $exists: true, $ne: null } : null;
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}
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// Issue query
const posts = await Post
.find(query, {
limit: limit,
sort: sort
});
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// Serialize
res(await Promise.all(posts.map(async post => await serialize(post))));
});