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50
51#include "redditmodel.h"
52
53#include <QtCore>
54#include <QtNetwork>
55
56RedditModel::RedditModel(QObject *parent) : QAbstractTableModel(parent) {}
57
58RedditModel::RedditModel(const QString &clientId, QObject *parent) :
59 QAbstractTableModel(parent),
60 redditWrapper(clientId)
61{
62 grant();
63}
64
65int RedditModel::rowCount(const QModelIndex &parent) const
66{
67 Q_UNUSED(parent);
68 return threads.size();
69}
70
71int RedditModel::columnCount(const QModelIndex &parent) const
72{
73 Q_UNUSED(parent);
74 return threads.size() ? 1 : 0;
75}
76
77QVariant RedditModel::data(const QModelIndex &index, int role) const
78{
79 Q_UNUSED(role);
80 if (!index.isValid())
81 return QVariant();
82
83 if (role == Qt::DisplayRole) {
84 const auto childrenObject = threads.at(i: index.row());
85 Q_ASSERT(childrenObject.value("data").isObject());
86 const auto dataObject = childrenObject.value(key: "data").toObject();
87 return dataObject.value(key: "title").toString();
88 }
89 return QVariant();
90}
91
92void RedditModel::grant()
93{
94 redditWrapper.grant();
95 connect(sender: &redditWrapper, signal: &RedditWrapper::authenticated, receiver: this, slot: &RedditModel::update);
96}
97
98void RedditModel::update()
99{
100 auto reply = redditWrapper.requestHotThreads();
101
102 connect(sender: reply, signal: &QNetworkReply::finished, slot: [=]() {
103 reply->deleteLater();
104 if (reply->error() != QNetworkReply::NoError) {
105 emit error(errorString: reply->errorString());
106 return;
107 }
108 const auto json = reply->readAll();
109 const auto document = QJsonDocument::fromJson(json);
110 Q_ASSERT(document.isObject());
111 const auto rootObject = document.object();
112 Q_ASSERT(rootObject.value("kind").toString() == "Listing");
113 const auto dataValue = rootObject.value(key: "data");
114 Q_ASSERT(dataValue.isObject());
115 const auto dataObject = dataValue.toObject();
116 const auto childrenValue = dataObject.value(key: "children");
117 Q_ASSERT(childrenValue.isArray());
118 const auto childrenArray = childrenValue.toArray();
119
120 if (childrenArray.isEmpty())
121 return;
122
123 beginInsertRows(parent: QModelIndex(), first: threads.size(), last: childrenArray.size() + threads.size() - 1);
124 for (const auto childValue : qAsConst(t: childrenArray)) {
125 Q_ASSERT(childValue.isObject());
126 threads.append(t: childValue.toObject());
127 }
128 endInsertRows();
129 });
130}
131

source code of qtnetworkauth/examples/oauth/redditclient/redditmodel.cpp