59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
const express = require('express')
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const algoliasearch = require('algoliasearch')
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const { namePrefix } = require('../lib/search/config')
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const languages = new Set(Object.keys(require('../lib/languages')))
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const versions = require('../lib/search/versions')
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const { get } = require('lodash')
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const router = express.Router()
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// https://www.algolia.com/apps/ZI5KPY1HBE/dashboard
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// This API key is public. There's also a private API key for writing to the Algolia API
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const searchClient = algoliasearch('ZI5KPY1HBE', '685df617246c3a10abba589b4599288f')
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async function loadAlgoliaResults ({ version, language, query, limit }) {
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const indexName = `${namePrefix}-${version}-${language}`
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const index = searchClient.initIndex(indexName)
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// allows "phrase queries" and "prohibit operator"
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// https://www.algolia.com/doc/api-reference/api-parameters/advancedSyntax/
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const { hits } = await index.search(query, {
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hitsPerPage: limit,
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advancedSyntax: true
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})
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return hits.map(hit => ({
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url: hit.url,
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breadcrumbs: get(hit, '_highlightResult.breadcrumbs.value'),
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heading: get(hit, '_highlightResult.heading.value'),
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title: get(hit, '_highlightResult.title.value'),
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content: get(hit, '_highlightResult.content.value')
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}))
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}
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router.get('/', async (req, res) => {
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res.set({
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'surrogate-control': 'private, no-store',
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'cache-control': 'private, no-store'
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})
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const { query, version, language } = req.query
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const limit = Math.min(parseInt(req.query.limit, 10) || 10, 100)
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if (!versions.has(version) || !languages.has(language)) {
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return res.status(400).json([])
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}
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if (!query || !limit) {
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return res.status(200).json([])
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}
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try {
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const results = await loadAlgoliaResults({ version, language, query, limit })
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return res.status(200).json(results)
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} catch (err) {
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console.error(err)
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return res.status(400).json([])
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}
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})
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module.exports = router
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