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nodebb/src/user/categories.js

66 lines
2.0 KiB
JavaScript

'use strict';
const _ = require('lodash');
const db = require('../database');
const categories = require('../categories');
module.exports = function (User) {
User.setCategoryWatchState = async function (uid, cids, state) {
if (!(parseInt(uid, 10) > 0)) {
return;
}
const isStateValid = Object.values(categories.watchStates).includes(parseInt(state, 10));
if (!isStateValid) {
throw new Error('[[error:invalid-watch-state]]');
}
cids = Array.isArray(cids) ? cids : [cids];
const exists = await categories.exists(cids);
if (exists.includes(false)) {
throw new Error('[[error:no-category]]');
}
await db.sortedSetsAdd(cids.map(cid => 'cid:' + cid + ':uid:watch:state'), state, uid);
};
User.getCategoryWatchState = async function (uid) {
if (!(parseInt(uid, 10) > 0)) {
return {};
}
const cids = await categories.getAllCidsFromSet('categories:cid');
const states = await categories.getWatchState(cids, uid);
return _.zipObject(cids, states);
};
User.getIgnoredCategories = async function (uid) {
if (!(parseInt(uid, 10) > 0)) {
return [];
}
return await User.getCategoriesByStates(uid, [categories.watchStates.ignoring]);
};
User.getWatchedCategories = async function (uid) {
if (!(parseInt(uid, 10) > 0)) {
return [];
}
return await User.getCategoriesByStates(uid, [categories.watchStates.watching]);
};
User.getCategoriesByStates = async function (uid, states) {
if (!(parseInt(uid, 10) > 0)) {
return await categories.getAllCidsFromSet('categories:cid');
}
const cids = await categories.getAllCidsFromSet('categories:cid');
const userState = await categories.getWatchState(cids, uid);
return cids.filter((cid, index) => states.includes(userState[index]));
};
User.ignoreCategory = async function (uid, cid) {
await User.setCategoryWatchState(uid, cid, categories.watchStates.ignoring);
};
User.watchCategory = async function (uid, cid) {
await User.setCategoryWatchState(uid, cid, categories.watchStates.watching);
};
};