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40 lines
1007 B
JavaScript
40 lines
1007 B
JavaScript
'use strict';
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/**
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* The middlewares here strictly act to "assert" validity of the incoming
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* payload and throw an error otherwise.
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*/
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const user = require('../user');
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const groups = require('../groups');
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const topics = require('../topics');
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const helpers = require('../controllers/helpers');
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module.exports = function (middleware) {
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middleware.assertUser = async (req, res, next) => {
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if (!await user.exists(req.params.uid)) {
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return helpers.formatApiResponse(404, res, new Error('[[error:no-user]]'));
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}
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next();
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};
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middleware.assertGroup = async (req, res, next) => {
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const name = await groups.getGroupNameByGroupSlug(req.params.slug);
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if (!name || !await groups.exists(name)) {
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return helpers.formatApiResponse(404, res, new Error('[[error:no-group]]'));
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}
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next();
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};
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middleware.assertTopic = async (req, res, next) => {
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if (!await topics.exists(req.params.tid)) {
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return helpers.formatApiResponse(404, res, new Error('[[error:no-topic]]'));
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}
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next();
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};
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};
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