Sharkey/src/api/endpoints/posts.ts

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/**
* Module dependencies
*/
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import it 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 'include_replies' parameter
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const [includeReplies = true, includeRepliesErr] = it(params.include_replies).expect.boolean().get();
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if (includeRepliesErr) return rej('invalid include_replies param');
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// Get 'include_reposts' parameter
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const [includeReposts = true, includeRepostsErr] = it(params.include_reposts).expect.boolean().get();
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if (includeRepostsErr) return rej('invalid include_reposts param');
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// Get 'limit' parameter
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const [limit = 10, limitErr] = it(params.limit).expect.number().range(1, 100).get();
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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] = it(params.since_id).expect.id().get();
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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] = it(params.max_id).expect.id().get();
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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 (!includeReplies) {
query.reply_to_id = null;
}
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if (!includeReposts) {
query.repost_id = null;
}
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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))));
});