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39 lines
1002 B
JavaScript

'use strict';
const db = require('../database');
module.exports = function (Categories) {
Categories.markAsRead = async function (cids, uid) {
if (!Array.isArray(cids) || !cids.length || parseInt(uid, 10) <= 0) {
return;
}
let keys = cids.map(cid => `cid:${cid}:read_by_uid`);
const hasRead = await db.isMemberOfSets(keys, uid);
keys = keys.filter((key, index) => !hasRead[index]);
await db.setsAdd(keys, uid);
};
Categories.markAsUnreadForAll = async function (cid) {
if (!parseInt(cid, 10)) {
return;
}
await db.delete(`cid:${cid}:read_by_uid`);
};
Categories.hasReadCategories = async function (cids, uid) {
if (parseInt(uid, 10) <= 0) {
return cids.map(() => false);
}
const sets = cids.map(cid => `cid:${cid}:read_by_uid`);
return await db.isMemberOfSets(sets, uid);
};
Categories.hasReadCategory = async function (cid, uid) {
if (parseInt(uid, 10) <= 0) {
return false;
}
return await db.isSetMember(`cid:${cid}:read_by_uid`, uid);
};
};