Qt Quick Demo - Tweet Search

/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
import QtQuick 2.0 import "tweetsearch.mjs" as Helper Item { id: wrapper // Insert valid consumer key and secret tokens below // See https://dev.twitter.com/apps property string consumerKey : "" property string consumerSecret : "" property string bearerToken : "" property variant model: tweets property string from : "" property string phrase : "" signal isLoaded ListModel { id: tweets } function encodePhrase(x) { return encodeURIComponent(x); } function reload() { tweets.clear() if (from == "" && phrase == "") return; var req = new XMLHttpRequest; req.open("GET", "https://api.twitter.com/1.1/search/tweets.json?from=" + from + "&count=10&q=" + encodePhrase(phrase)); req.setRequestHeader("Authorization", "Bearer " + bearerToken); req.onload = function() { var objectArray = JSON.parse(req.responseText); if (objectArray.errors !== undefined) { console.log("Error fetching tweets: " + objectArray.errors[0].message) } else { for (var key in objectArray.statuses) { var jsonObject = objectArray.statuses[key]; tweets.append(jsonObject); } } wrapper.isLoaded() } req.send(); } onPhraseChanged: reload(); onFromChanged: reload(); Component.onCompleted: { if (consumerKey === "" || consumerSecret == "") { bearerToken = encodeURIComponent(Helper.demoToken()) return; } var authReq = new XMLHttpRequest; authReq.open("POST", "https://api.twitter.com/oauth2/token"); authReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8"); authReq.setRequestHeader("Authorization", "Basic " + Qt.btoa(consumerKey + ":" + consumerSecret)); authReq.onreadystatechange = function() { if (authReq.readyState === XMLHttpRequest.DONE) { var jsonResponse = JSON.parse(authReq.responseText); if (jsonResponse.errors !== undefined) console.log("Authentication error: " + jsonResponse.errors[0].message) else bearerToken = jsonResponse.access_token; } } authReq.send("grant_type=client_credentials"); } }