rudeshark.net/src/api/endpoints/i/notifications.ts

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/**
* Module dependencies
*/
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import $ from 'cafy';
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import Notification from '../../models/notification';
import serialize from '../../serializers/notification';
import getFriends from '../../common/get-friends';
import read from '../../common/read-notification';
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/**
* Get notifications
*
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* @param {any} params
* @param {any} user
* @return {Promise<any>}
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*/
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module.exports = (params, user) => new Promise(async (res, rej) => {
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// Get 'following' parameter
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const [following = false, followingError] =
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$(params.following).optional.boolean().$;
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if (followingError) return rej('invalid following param');
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// Get 'mark_as_read' parameter
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const [markAsRead = true, markAsReadErr] = $(params.mark_as_read).optional.boolean().$;
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if (markAsReadErr) return rej('invalid mark_as_read param');
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// Get 'type' parameter
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const [type, typeErr] = $(params.type).optional.array('string').unique().$;
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if (typeErr) return rej('invalid type 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');
// 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');
}
const query = {
notifiee_id: user._id
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} as any;
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const sort = {
_id: -1
};
if (following) {
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// ID list of the user $self and other users who the user follows
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const followingIds = await getFriends(user._id);
query.notifier_id = {
$in: followingIds
};
}
if (type) {
query.type = {
$in: type
};
}
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if (sinceId) {
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sort._id = 1;
query._id = {
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$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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};
}
// Issue query
const notifications = await Notification
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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(notifications.map(async notification =>
await serialize(notification))));
// Mark as read all
if (notifications.length > 0 && markAsRead) {
read(user._id, notifications);
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}
});