110 lines
3.4 KiB
JavaScript
110 lines
3.4 KiB
JavaScript
/*
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Copyright 2016 Aviral Dasgupta
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Copyright 2017 Vector Creations Ltd
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Copyright 2017, 2018 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React from 'react';
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import { _t } from '../languageHandler';
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import AutocompleteProvider from './AutocompleteProvider';
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import 'whatwg-fetch';
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import {TextualCompletion} from './Components';
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import type {SelectionRange} from "./Autocompleter";
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const DDG_REGEX = /\/ddg\s+(.+)$/g;
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const REFERRER = 'vector';
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export default class DuckDuckGoProvider extends AutocompleteProvider {
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constructor() {
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super(DDG_REGEX);
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}
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static getQueryUri(query: String) {
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return `https://api.duckduckgo.com/?q=${encodeURIComponent(query)}`
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+ `&format=json&no_redirect=1&no_html=1&t=${encodeURIComponent(REFERRER)}`;
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}
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async getCompletions(query: string, selection: SelectionRange, force?: boolean = false) {
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const {command, range} = this.getCurrentCommand(query, selection);
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if (!query || !command) {
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return [];
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}
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const response = await fetch(DuckDuckGoProvider.getQueryUri(command[1]), {
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method: 'GET',
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});
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const json = await response.json();
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const results = json.Results.map((result) => {
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return {
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completion: result.Text,
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component: (
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<TextualCompletion
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title={result.Text}
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description={result.Result} />
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),
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range,
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};
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});
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if (json.Answer) {
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results.unshift({
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completion: json.Answer,
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component: (
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<TextualCompletion
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title={json.Answer}
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description={json.AnswerType} />
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),
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range,
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});
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}
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if (json.RelatedTopics && json.RelatedTopics.length > 0) {
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results.unshift({
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completion: json.RelatedTopics[0].Text,
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component: (
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<TextualCompletion
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title={json.RelatedTopics[0].Text} />
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),
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range,
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});
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}
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if (json.AbstractText) {
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results.unshift({
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completion: json.AbstractText,
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component: (
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<TextualCompletion
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title={json.AbstractText} />
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),
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range,
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});
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}
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return results;
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}
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getName() {
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return '🔍 ' + _t('Results from DuckDuckGo');
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}
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renderCompletions(completions: [React.Component]): ?React.Component {
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return (
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<div
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className="mx_Autocomplete_Completion_container_block"
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role="listbox"
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aria-label={_t("DuckDuckGo Results")}
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>
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{ completions }
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</div>
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);
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}
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}
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