Merge remote-tracking branch 'origin/5.8' into 5.9v5.9.0-beta1

Change-Id: I9bf00b013723f7148f5f8ea10839b722a807eb62

1 files changed, 178 insertions, 0 deletions

diff --git a/examples/oauth/twittertimeline/twittertimelinemodel.cpp b/examples/oauth/twittertimeline/twittertimelinemodel.cpp
new file mode 100644
index 0000000..31f2c6a
--- /dev/null
+++ b/examples/oauth/twittertimeline/twittertimelinemodel.cpp
@@ -0,0 +1,178 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Network Auth module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "twittertimelinemodel.h"
+
+#include <QtGui>
+#include <QtCore>
+#include <QtWidgets>
+
+TwitterTimelineModel::TwitterTimelineModel(QObject *parent) : QAbstractTableModel(parent)
+{
+    connect(&twitter, &Twitter::authenticated, this, &TwitterTimelineModel::authenticated);
+    connect(&twitter, &Twitter::authenticated, this, &TwitterTimelineModel::updateTimeline);
+}
+
+int TwitterTimelineModel::rowCount(const QModelIndex &parent) const
+{
+#if defined(QT_DEBUG)
+    Q_ASSERT(!parent.isValid());
+#else
+    Q_UNUSED(parent)
+#endif
+    return tweets.size();
+}
+
+QVariant TwitterTimelineModel::data(const QModelIndex &index, int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    auto it = tweets.begin();
+    std::advance(it, index.row());
+    switch (index.column())
+    {
+    case 0:
+        return QString::number(it->id);
+    case 1:
+        return it->createdAt.toString(Qt::SystemLocaleShortDate);
+    case 2:
+        return it->user;
+    case 3:
+        return it->text;
+    }
+    return QVariant();
+}
+
+int TwitterTimelineModel::columnCount(const QModelIndex &) const
+{
+    return 4;
+}
+
+QVariant TwitterTimelineModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (orientation == Qt::Horizontal) {
+        switch (section) {
+        case 0:
+            return QStringLiteral("Id");
+        case 1:
+            return QStringLiteral("Created at");
+        case 2:
+            return QStringLiteral("User");
+        case 3:
+            return QStringLiteral("Text");
+        }
+    }
+    return section;
+}
+
+void TwitterTimelineModel::authenticate(const QPair<QString, QString> &clientCredentials)
+{
+    twitter.setClientCredentials(clientCredentials);
+    twitter.grant();
+}
+
+QAbstractOAuth::Status TwitterTimelineModel::status() const
+{
+    return twitter.status();
+}
+
+void TwitterTimelineModel::updateTimeline()
+{
+    if (twitter.status() != Twitter::Status::Granted)
+        QMessageBox::warning(nullptr, qApp->applicationName(), "Not authenticated");
+
+    QUrl url("https://api.twitter.com/1.1/statuses/home_timeline.json");
+    QUrlQuery query;
+    if (tweets.size()) {
+        // Tweets are time-ordered, newest first.  Pass the most recent
+        // ID we have to request everything more recent than it:
+        query.addQueryItem("since_id", QString::number(tweets.first().id));
+        // From https://dev.twitter.com/rest/reference/get/search/tweets:
+        // Returns results with an ID greater than (that is, more recent than)
+        // the specified ID. There are limits to the number of Tweets which can
+        // be accessed through the API. If the limit of Tweets has occurred
+        // since the since_id, the since_id will be forced to the oldest ID
+        // available.
+    }
+    url.setQuery(query);
+    QNetworkReply *reply = twitter.get(url);
+    connect(reply, &QNetworkReply::finished, this, &TwitterTimelineModel::parseJson);
+}
+
+void TwitterTimelineModel::parseJson()
+{
+    QJsonParseError parseError;
+    auto reply = qobject_cast<QNetworkReply*>(sender());
+    Q_ASSERT(reply);
+    const auto data = reply->readAll();
+    const auto document = QJsonDocument::fromJson(data, &parseError);
+    if (parseError.error) {
+        qCritical() << "TwitterTimelineModel::parseJson. Error at:" << parseError.offset
+                    << parseError.errorString();
+        return;
+    } else if (document.isObject()) {
+        // Error received :(
+        const auto object = document.object();
+        const auto errorArray = object.value("errors").toArray();
+        Q_ASSERT_X(errorArray.size(), "parse", data);
+        QStringList errors;
+        for (const auto error : errorArray) {
+            Q_ASSERT(error.isObject());
+            Q_ASSERT(error.toObject().contains("message"));
+            errors.append(error.toObject().value("message").toString());
+        }
+        QMessageBox::warning(nullptr, qApp->applicationName(), errors.join("<br />"));
+        return;
+    }
+
+    Q_ASSERT_X(document.isArray(), "parse", data);
+    const auto array = document.array();
+    if (array.size()) {
+        beginInsertRows(QModelIndex(), 0, array.size() - 1);
+        auto before = tweets.begin();
+        for (const auto &value : array) {
+            Q_ASSERT(value.isObject());
+            const auto object = value.toObject();
+            const auto createdAt = QDateTime::fromString(object.value("created_at").toString(),
+                                                         "ddd MMM dd HH:mm:ss +0000 yyyy");
+            before = tweets.insert(before, Tweet{
+                                       object.value("id").toVariant().toULongLong(),
+                                       createdAt,
+                                       object.value("user").toObject().value("name").toString(),
+                                       object.value("text").toString()
+                                   });
+            std::advance(before, 1);
+        }
+        endInsertRows();
+    }
+}