refactor: async/await controllers/tags
Barış Soner Uşaklı
6 years ago
parent
f15c7f12b3
commit
5362488584
@ -1,106 +1,72 @@
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'use strict';
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var async = require('async');
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var validator = require('validator');
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const validator = require('validator');
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var user = require('../user');
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var categories = require('../categories');
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var topics = require('../topics');
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var privileges = require('../privileges');
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var pagination = require('../pagination');
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var helpers = require('./helpers');
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const user = require('../user');
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const categories = require('../categories');
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const topics = require('../topics');
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const privileges = require('../privileges');
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const pagination = require('../pagination');
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const helpers = require('./helpers');
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var tagsController = module.exports;
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const tagsController = module.exports;
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tagsController.getTag = function (req, res, next) {
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var tag = validator.escape(String(req.params.tag));
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var page = parseInt(req.query.page, 10) || 1;
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tagsController.getTag = async function (req, res) {
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const tag = validator.escape(String(req.params.tag));
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const page = parseInt(req.query.page, 10) || 1;
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var templateData = {
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const templateData = {
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topics: [],
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tag: tag,
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breadcrumbs: helpers.buildBreadcrumbs([{ text: '[[tags:tags]]', url: '/tags' }, { text: tag }]),
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title: '[[pages:tag, ' + tag + ']]',
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};
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var settings;
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var topicCount = 0;
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var start;
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const settings = await user.getSettings(req.uid);
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const start = Math.max(0, (page - 1) * settings.topicsPerPage);
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const stop = start + settings.topicsPerPage - 1;
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const states = [categories.watchStates.watching, categories.watchStates.notwatching, categories.watchStates.ignoring];
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const [topicCount, tids, categoriesData] = await Promise.all([
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topics.getTagTopicCount(req.params.tag),
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topics.getTagTids(req.params.tag, start, stop),
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helpers.getCategoriesByStates(req.uid, '', states),
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]);
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async.waterfall([
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function (next) {
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user.getSettings(req.uid, next);
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},
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function (_settings, next) {
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settings = _settings;
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start = Math.max(0, (page - 1) * settings.topicsPerPage);
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var stop = start + settings.topicsPerPage - 1;
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async.parallel({
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topicCount: function (next) {
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topics.getTagTopicCount(req.params.tag, next);
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},
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tids: function (next) {
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topics.getTagTids(req.params.tag, start, stop, next);
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},
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categories: function (next) {
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const states = [categories.watchStates.watching, categories.watchStates.notwatching, categories.watchStates.ignoring];
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helpers.getCategoriesByStates(req.uid, '', states, next);
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},
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}, next);
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},
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function (results, next) {
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if (Array.isArray(results.tids) && !results.tids.length) {
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return res.render('tag', templateData);
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}
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if (Array.isArray(tids) && !tids.length) {
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return res.render('tag', templateData);
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}
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templateData.categories = results.categories.categories;
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templateData.categories = categoriesData.categories;
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topicCount = results.topicCount;
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topics.getTopics(results.tids, req.uid, next);
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templateData.topics = await topics.getTopics(tids, req.uid);
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topics.calculateTopicIndices(templateData.topics, start);
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res.locals.metaTags = [
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{
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name: 'title',
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content: tag,
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},
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function (topicsData) {
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topics.calculateTopicIndices(topicsData, start);
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res.locals.metaTags = [
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{
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name: 'title',
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content: tag,
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},
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{
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property: 'og:title',
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content: tag,
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},
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];
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templateData.topics = topicsData;
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{
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property: 'og:title',
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content: tag,
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},
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];
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var pageCount = Math.max(1, Math.ceil(topicCount / settings.topicsPerPage));
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templateData.pagination = pagination.create(page, pageCount);
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const pageCount = Math.max(1, Math.ceil(topicCount / settings.topicsPerPage));
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templateData.pagination = pagination.create(page, pageCount);
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res.render('tag', templateData);
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},
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], next);
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res.render('tag', templateData);
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};
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tagsController.getTags = function (req, res, next) {
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async.waterfall([
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function (next) {
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async.parallel({
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canSearch: function (next) {
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privileges.global.can('search:tags', req.uid, next);
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},
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tags: function (next) {
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topics.getTags(0, 99, next);
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},
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}, next);
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},
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function (results) {
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results.tags = results.tags.filter(Boolean);
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var data = {
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tags: results.tags,
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displayTagSearch: results.canSearch,
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nextStart: 100,
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breadcrumbs: helpers.buildBreadcrumbs([{ text: '[[tags:tags]]' }]),
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title: '[[pages:tags]]',
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};
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res.render('tags', data);
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},
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], next);
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tagsController.getTags = async function (req, res) {
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const [canSearch, tags] = await Promise.all([
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privileges.global.can('search:tags', req.uid),
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topics.getTags(0, 99),
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]);
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res.render('tags', {
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tags: tags.filter(Boolean),
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displayTagSearch: canSearch,
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nextStart: 100,
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breadcrumbs: helpers.buildBreadcrumbs([{ text: '[[tags:tags]]' }]),
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title: '[[pages:tags]]',
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});
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};
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