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| 1 | +import React, {useEffect} from 'react' |
| 2 | +import RedisSiteSearch from '@abrookins-redis/redis-sitesearch-frontend/dist/redis-sitesearch.esm' |
| 3 | + |
| 4 | +const SEARCH_API_URL = "https://search-service.redislabs.com/search" |
| 5 | +const SEARCH_SITE = "https://developer.redislabs.com" |
| 6 | +const THIRTY_SECONDS = 30000 |
| 7 | +const SEARCH_LOGO = '<a class="powered-by-redisearch" href="https://oss.redislabs.com/redisearch/"></a>' |
| 8 | + |
| 9 | + |
| 10 | +function escapeHtml(str) { |
| 11 | + return str.replace(/[&<>"'\/]/g, function (s) { |
| 12 | + var entityMap = { |
| 13 | + "&": "&", |
| 14 | + "<": "<", |
| 15 | + ">": ">", |
| 16 | + '"': '"', |
| 17 | + "'": ''', |
| 18 | + "/": '/' |
| 19 | + }; |
| 20 | + |
| 21 | + return entityMap[s]; |
| 22 | + }); |
| 23 | +} |
| 24 | + |
| 25 | +function setWithExpiry(key, value, ttl) { |
| 26 | + const now = new Date() |
| 27 | + |
| 28 | + const item = { |
| 29 | + value: value, |
| 30 | + expiry: now.getTime() + ttl, |
| 31 | + } |
| 32 | + localStorage.setItem(key, JSON.stringify(item)) |
| 33 | +} |
| 34 | + |
| 35 | + |
| 36 | +function getWithExpiry(key) { |
| 37 | + const itemStr = localStorage.getItem(key) |
| 38 | + if (!itemStr) { |
| 39 | + return null |
| 40 | + } |
| 41 | + const item = JSON.parse(itemStr) |
| 42 | + const now = new Date() |
| 43 | + |
| 44 | + if (now.getTime() > item.expiry) { |
| 45 | + localStorage.removeItem(key) |
| 46 | + return null |
| 47 | + } |
| 48 | + |
| 49 | + return item.value |
| 50 | +} |
| 51 | + |
| 52 | + |
| 53 | +function Search(props) { |
| 54 | + useEffect(function onFirstMount() { |
| 55 | + const searchLogo = document.querySelector('.redisearch-logo') |
| 56 | + var lastQuery |
| 57 | + |
| 58 | + searchLogo.addEventListener('mousedown', (e) => { |
| 59 | + e.preventDefault() |
| 60 | + }) |
| 61 | + |
| 62 | + new RedisSiteSearch('#redis-sitesearch', { |
| 63 | + debounceTime: 2, |
| 64 | + zIndex: 100, |
| 65 | + |
| 66 | + search: input => { |
| 67 | + const trimmedInput = input.trim() |
| 68 | + const url = `${SEARCH_API_URL}?q=${trimmedInput}*&site=${SEARCH_SITE}` |
| 69 | + |
| 70 | + if (input.length === 0) { |
| 71 | + return [] |
| 72 | + } |
| 73 | + |
| 74 | + try { xhr.abort(); } catch(e){} |
| 75 | + |
| 76 | + // Save the query so we can append it to a selected result URL later. |
| 77 | + // We use this to track search queries. |
| 78 | + lastQuery = trimmedInput |
| 79 | + |
| 80 | + const cachedResults = getWithExpiry(url) |
| 81 | + |
| 82 | + if (cachedResults) { |
| 83 | + return cachedResults |
| 84 | + } |
| 85 | + |
| 86 | + return new Promise(resolve => { |
| 87 | + fetch(url) |
| 88 | + .catch(function(err) { |
| 89 | + console.error('Error querying search API: ', err) |
| 90 | + resolve([]) |
| 91 | + }) |
| 92 | + .then(function(response) { |
| 93 | + if (response === undefined || !response.ok) { |
| 94 | + console.error('Error querying search API: ', response) |
| 95 | + resolve([]) |
| 96 | + return |
| 97 | + } |
| 98 | + return response.json() |
| 99 | + }) |
| 100 | + .then(function(data) { |
| 101 | + if (data === undefined || !data) { |
| 102 | + return |
| 103 | + } |
| 104 | + // Push a fake 'no results' document if there were no results. |
| 105 | + var results |
| 106 | + if (!data.results.length) { |
| 107 | + const safeInput = escapeHtml(trimmedInput) |
| 108 | + results = [ |
| 109 | + { |
| 110 | + title: '', |
| 111 | + section_title: `No results found for '${safeInput}'`, |
| 112 | + body: '', |
| 113 | + hierarchy: [''], |
| 114 | + }, |
| 115 | + ] |
| 116 | + } else { |
| 117 | + results = data.results |
| 118 | + } |
| 119 | + |
| 120 | + setWithExpiry(url, results, THIRTY_SECONDS) |
| 121 | + resolve(results) |
| 122 | + }) |
| 123 | + }) |
| 124 | + }, |
| 125 | + |
| 126 | + renderResult: (result, props) => { |
| 127 | + let sectionTitle = "", |
| 128 | + hasSectionTitle = result.section_title !== "" |
| 129 | + |
| 130 | + if (hasSectionTitle) { |
| 131 | + sectionTitle = ` |
| 132 | + <div className="search-section-title"> |
| 133 | + ${result.section_title} |
| 134 | + </div> |
| 135 | + ` |
| 136 | + } |
| 137 | + |
| 138 | + return ` |
| 139 | + <li ${props}> |
| 140 | + <div class="search-left"> |
| 141 | + <div class="search-title"> |
| 142 | + ${result.title} |
| 143 | + </div> |
| 144 | + </div> |
| 145 | + <div class="search-right"> |
| 146 | + ${sectionTitle} |
| 147 | + <div class="search-body"> |
| 148 | + ${result.body} |
| 149 | + </div> |
| 150 | + </div> |
| 151 | + </li> |
| 152 | + ` |
| 153 | + }, |
| 154 | + |
| 155 | + getResultValue: result => "", |
| 156 | + |
| 157 | + // Open the selected article in |
| 158 | + // a new window |
| 159 | + onSubmit: result => { |
| 160 | + if (result) { |
| 161 | + lastQuery = encodeURIComponent(lastQuery) |
| 162 | + window.open(`${result.url}?s=${lastQuery}`, "_top") |
| 163 | + } |
| 164 | + }, |
| 165 | + |
| 166 | + onUpdate: (results, selectedIndex) => { |
| 167 | + const redisearchLogo = document.querySelector('.redisearch-logo') |
| 168 | + if (results.length) { |
| 169 | + redisearchLogo.innerHTML = SEARCH_LOGO |
| 170 | + } else { |
| 171 | + redisearchLogo.innerHTML = "" |
| 172 | + } |
| 173 | + } |
| 174 | + }) |
| 175 | + }) |
| 176 | + |
| 177 | + if (props.inline) { |
| 178 | + return <div id="redis-sitesearch" className="redis-sitesearch redis-sitesearch-inline"> |
| 179 | + <input className="redis-sitesearch-input"/> |
| 180 | + |
| 181 | + <div className="redis-sitesearch-result-list-wrapper"> |
| 182 | + <ul className="redis-sitesearch-result-list"></ul> |
| 183 | + <div className="redisearch-logo"> |
| 184 | + </div> |
| 185 | + </div> |
| 186 | + </div> |
| 187 | + } else { |
| 188 | + return <section className="rds-search"> |
| 189 | + <div className="container"> |
| 190 | + <h2 className="section-title">Search</h2> |
| 191 | + <div id="redis-sitesearch" className="redis-sitesearch"> |
| 192 | + <input className="redis-sitesearch-input"/> |
| 193 | + |
| 194 | + <div className="redis-sitesearch-result-list-wrapper"> |
| 195 | + <ul className="redis-sitesearch-result-list"></ul> |
| 196 | + <div className="redisearch-logo"> |
| 197 | + </div> |
| 198 | + </div> |
| 199 | + </div> |
| 200 | + </div> |
| 201 | + </section>; |
| 202 | + } |
| 203 | +} |
| 204 | + |
| 205 | +export default Search; |
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