1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "redditmodel.h"
#include <QJsonArray>
#include <QDesktopServices>
#include <QNetworkAccessManager>
#include <QRestAccessManager>
#include <QRestReply>
#include <QOAuthHttpServerReplyHandler>
using namespace Qt::StringLiterals;
static constexpr auto hotUrl = "https://oauth.reddit.com/hot"_L1;
static constexpr auto authorizationUrl = "https://www.reddit.com/api/v1/authorize"_L1;
static constexpr auto accessTokenUrl = "https://www.reddit.com/api/v1/access_token"_L1;
RedditModel::RedditModel(QObject *parent) : QAbstractTableModel(parent) {}
RedditModel::RedditModel(const QString &clientId, QObject *parent) :
QAbstractTableModel(parent)
{
QNetworkAccessManager *qnam = new QNetworkAccessManager(this);
network = new QRestAccessManager(qnam, qnam);
redditApi.setBaseUrl(QUrl(hotUrl));
auto replyHandler = new QOAuthHttpServerReplyHandler(QHostAddress::Any, 1337, this);
oauth2.setReplyHandler(replyHandler);
oauth2.setAuthorizationUrl(QUrl(authorizationUrl));
oauth2.setTokenUrl(QUrl(accessTokenUrl));
oauth2.setRequestedScopeTokens({"identity", "read"});
oauth2.setClientIdentifier(clientId);
QObject::connect(&oauth2, &QAbstractOAuth::granted, this, [this] {
redditApi.setBearerToken(oauth2.token().toLatin1());
updateHotThreads();
});
connect(&oauth2, &QOAuth2AuthorizationCodeFlow::authorizeWithBrowser, this,
&QDesktopServices::openUrl);
oauth2.grant();
}
int RedditModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return threads.size();
}
int RedditModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return threads.size() ? 1 : 0;
}
QVariant RedditModel::data(const QModelIndex &index, int role) const
{
Q_UNUSED(role);
if (!index.isValid())
return QVariant();
if (role == Qt::DisplayRole) {
const auto childrenObject = threads.at(index.row());
Q_ASSERT(childrenObject.value("data"_L1).isObject());
const auto dataObject = childrenObject.value("data"_L1).toObject();
return dataObject.value("title"_L1).toString();
}
return QVariant();
}
void RedditModel::updateHotThreads()
{
network->get(redditApi.createRequest(), this, [this](QRestReply &reply) {
if (!reply.isSuccess()) {
emit error(reply.errorString());
return;
}
const auto document = reply.readJson();
Q_ASSERT(document && document->isObject());
const auto rootObject = document->object();
Q_ASSERT(rootObject.value("kind"_L1).toString() == "Listing"_L1);
const auto dataValue = rootObject.value("data"_L1);
Q_ASSERT(dataValue.isObject());
const auto dataObject = dataValue.toObject();
const auto childrenValue = dataObject.value("children"_L1);
Q_ASSERT(childrenValue.isArray());
const auto childrenArray = childrenValue.toArray();
if (childrenArray.isEmpty())
return;
beginInsertRows(QModelIndex(), threads.size(), childrenArray.size() + threads.size() - 1);
for (const auto childValue : std::as_const(childrenArray)) {
Q_ASSERT(childValue.isObject());
threads.append(childValue.toObject());
}
endInsertRows();
});
}
|
