You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

82 lines
2.4 KiB
JavaScript

'use strict';
const _ = require('lodash');
const privileges = require('../privileges');
const plugins = require('../plugins');
const db = require('../database');
module.exports = function (Categories) {
Categories.search = async function (data) {
const query = data.query || '';
const page = data.page || 1;
const uid = data.uid || 0;
const paginate = data.hasOwnProperty('paginate') ? data.paginate : true;
const startTime = process.hrtime();
let cids = await findCids(query, data.hardCap);
const result = await plugins.hooks.fire('filter:categories.search', {
data: data,
cids: cids,
uid: uid,
});
cids = await privileges.categories.filterCids('find', result.cids, uid);
const searchResult = {
matchCount: cids.length,
};
if (paginate) {
const resultsPerPage = data.resultsPerPage || 50;
const start = Math.max(0, page - 1) * resultsPerPage;
const stop = start + resultsPerPage;
searchResult.pageCount = Math.ceil(cids.length / resultsPerPage);
cids = cids.slice(start, stop);
}
const childrenCids = await getChildrenCids(cids, uid);
const uniqCids = _.uniq(cids.concat(childrenCids));
const categoryData = await Categories.getCategories(uniqCids, uid);
Categories.getTree(categoryData, 0);
await Categories.getRecentTopicReplies(categoryData, uid, data.qs);
categoryData.forEach((category) => {
if (category && Array.isArray(category.children)) {
category.children = category.children.slice(0, category.subCategoriesPerPage);
category.children.forEach((child) => {
child.children = undefined;
});
}
});
categoryData.sort((c1, c2) => {
if (c1.parentCid !== c2.parentCid) {
return c1.parentCid - c2.parentCid;
}
return c1.order - c2.order;
});
searchResult.timing = (process.elapsedTimeSince(startTime) / 1000).toFixed(2);
searchResult.categories = categoryData.filter(c => cids.includes(c.cid));
return searchResult;
};
async function findCids(query, hardCap) {
if (!query || String(query).length < 2) {
return [];
}
const data = await db.getSortedSetScan({
key: 'categories:name',
match: `*${String(query).toLowerCase()}*`,
limit: hardCap || 500,
});
return data.map(data => parseInt(data.split(':').pop(), 10));
}
async function getChildrenCids(cids, uid) {
const childrenCids = await Promise.all(cids.map(cid => Categories.getChildrenCids(cid)));
return await privileges.categories.filterCids('find', _.flatten(childrenCids), uid);
}
};