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search_client_sample_from_console.js
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search_client_sample_from_console.js
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/*
* Sample Search Provider
* A sample and base project to integrate custom search providers in GNOME Shell.
* This code provides a simple outline for a GNOME Extension that adds a new search into
* the GNOME Shell search.
*
* Copyright (C) 2019
* Sebastian Leidig <sebastian.leidig@gmail.com
*
* This file is part of Sample Search Provider
*
* Sample Search Provider is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sample Search Provider is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with gnome-shell-extension-openweather.
* If not, see <http://www.gnu.org/licenses/>.
*/
const GLib = imports.gi.GLib;
const Extension = imports.misc.extensionUtils.getCurrentExtension();
class ConsoleSearchClient {
constructor() {
}
/**
* Query search results and return them through a callback.
* @param searchterm {string} text entered by the user for searching
* @param callback {function(error, results)} return results asyncronously by calling this callback,
* error {string} error message or null if no error
* results {object[]} array of result items each defining the following attributes:
* id {string}
* name {string}
* description {string}
* url
*/
get(searchterm, callback) {
let resultData = GLib.spawn_command_line_sync('echo "' + searchterm + '"')[1].toString();
resultData = resultData.replace(/\n$/g, ''); // remove newlines at end of result
let rawResultsArray = [resultData]; // creating an array of results for this sample
const results = this._parseResults(rawResultsArray);
callback(null, results);
}
_parseResults(rawResultsArray) {
let parsedResults = [];
rawResultsArray.forEach((item, index) => {
const rName = item;
const rDescr = 'description of ' + item;
const rUrl = 'http://' + item;
let resultObject = {
id: 'recoll_'+index,
name: rName,
description: rDescr,
url: rUrl
};
parsedResults.push(resultObject);
});
return parsedResults;
}
destroy() {
}
}
/**
* Factory function called by extension.js to get an instance of a SearchClient.
* @returns {SearchClient} instance of a SearchClient implementation providing the following methods:
* get(searchterm, callback)
* destroy()
*/
function getSearchClient() {
return new ConsoleSearchClient();
}