Sharkey/src/api/endpoints/users/posts.ts

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'use strict';
/**
* Module dependencies
*/
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import it from '../../it';
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import Post from '../../models/post';
import User from '../../models/user';
import serialize from '../../serializers/post';
/**
* Get posts of a user
*
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* @param {any} params
* @param {any} me
* @return {Promise<any>}
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*/
module.exports = (params, me) =>
new Promise(async (res, rej) =>
{
// Get 'user_id' parameter
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const [userId, userIdErr] = it(params.user_id, 'id');
if (userIdErr) return rej('invalid user_id param');
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// Get 'username' parameter
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const [username, usernameErr] = it(params.username, 'string');
if (usernameErr) return rej('invalid username param');
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if (userId === undefined && username === undefined) {
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return rej('user_id or username is required');
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}
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// Get 'include_replies' parameter
const [includeReplies, includeRepliesErr] = it(params.include_replies).expect.boolean().default(true).qed();
if (includeRepliesErr) return rej('invalid include_replies param');
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// Get 'with_media' parameter
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const [withMedia, withMediaErr] = it(params.with_media).expect.boolean().default(false).qed();
if (withMediaErr) return rej('invalid with_media param');
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// Get 'limit' parameter
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const [limit, limitErr] = it(params.limit).expect.number().range(1, 100).default(10).qed();
if (limitErr) return rej('invalid limit param');
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// Get 'since_id' parameter
const [sinceId, sinceIdErr] = it(params.since_id).expect.id().qed();
if (sinceIdErr) return rej('invalid since_id param');
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// Get 'max_id' parameter
const [maxId, maxIdErr] = it(params.max_id).expect.id().qed();
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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const q = userId !== undefined
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? { _id: userId }
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: { username_lower: username.toLowerCase() } ;
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// Lookup user
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const user = await User.findOne(q, {
fields: {
_id: true
}
});
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if (user === null) {
return rej('user not found');
}
// Construct query
const sort = {
_id: -1
};
const query = {
user_id: user._id
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} as any;
if (sinceId) {
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sort._id = 1;
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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if (!includeReplies) {
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query.reply_to_id = null;
}
if (withMedia) {
query.media_ids = {
$exists: true,
$ne: null
};
}
// Issue query
const posts = await Post
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.find(query, {
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limit: limit,
sort: sort
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});
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// Serialize
res(await Promise.all(posts.map(async (post) =>
await serialize(post, me)
)));
});