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'use strict';
/**
* Module dependencies
*/
import it from '../../it';
import Notification from '../../models/notification';
import serialize from '../../serializers/notification';
import getFriends from '../../common/get-friends';
/**
* Get notifications
*
* @param {any} params
* @param {any} user
* @return {Promise<any>}
*/
module.exports = (params, user) =>
new Promise(async (res, rej) =>
{
// Get 'following' parameter
const [following, followingError] =
it(params.following).expect.boolean().default(false).qed();
if (followingError) return rej('invalid following param');
// Get 'mark_as_read' parameter
const [markAsRead, markAsReadErr] = it(params.mark_as_read).expect.boolean().default(true).qed();
if (markAsReadErr) return rej('invalid mark_as_read param');
// Get 'type' parameter
const [type, typeErr] = it(params.type).expect.array().unique().allString().qed();
if (typeErr) return rej('invalid type param');
// Get 'limit' parameter
const [limit, limitErr] = it(params.limit).expect.number().range(1, 100).default(10).qed();
if (limitErr) return rej('invalid limit param');
// Get 'since_id' parameter
const [sinceId, sinceIdErr] = it(params.since_id).expect.id().qed();
if (sinceIdErr) return rej('invalid since_id param');
// Get 'max_id' parameter
const [maxId, maxIdErr] = it(params.max_id).expect.id().qed();
if (maxIdErr) return rej('invalid max_id param');
// Check if both of since_id and max_id is specified
if (sinceId !== null && maxId !== null) {
return rej('cannot set since_id and max_id');
}
const query = {
notifiee_id: user._id
} as any;
const sort = {
_id: -1
};
if (following) {
// ID list of the user itself and other users who the user follows
const followingIds = await getFriends(user._id);
query.notifier_id = {
$in: followingIds
};
}
if (type) {
query.type = {
$in: type
};
}
if (sinceId) {
sort._id = 1;
query._id = {
$gt: sinceId
};
} else if (maxId) {
query._id = {
$lt: maxId
};
}
// Issue query
const notifications = await Notification
.find(query, {
limit: limit,
sort: sort
});
// Serialize
res(await Promise.all(notifications.map(async notification =>
await serialize(notification))));
// Mark as read all
if (notifications.length > 0 && markAsRead) {
const ids = notifications
.filter(x => x.is_read == false)
.map(x => x._id);
// Update documents
await Notification.update({
_id: { $in: ids }
}, {
$set: { is_read: true }
}, {
multi: true
});
}
});
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