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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "restaccessmanager.h"
#include <QJsonArray>
#include <QJsonDocument>
#include <QNetworkReply>
static std::optional<QJsonArray> byteArrayToJsonArray(const QByteArray &arr)
{
QJsonParseError err;
const auto json = QJsonDocument::fromJson(arr, &err);
if (err.error || !json.isArray())
return std::nullopt;
return json.array();
}
RestAccessManager::RestAccessManager(const QString &host, quint16 port) : host(host), port(port)
{
//! [Connect QNetworkAccessManager example]
manager.connectToHost(host, port);
manager.setAutoDeleteReplies(true);
QObject::connect(&manager, &QNetworkAccessManager::finished, this,
&RestAccessManager::readContacts);
//! [Connect QNetworkAccessManager example]
this->updateContacts();
}
RestAccessManager::~RestAccessManager() = default;
void RestAccessManager::setAuthorizationHeader(const QString &key, const QString &value)
{
authHeader = AuthHeader{ key, value };
}
RestAccessManager::ContactsMap RestAccessManager::getContacts() const
{
QMutexLocker lock(&contactsMtx);
return contacts;
}
//! [POST contacts example]
void RestAccessManager::addContact(const ContactEntry &entry)
{
auto request = QNetworkRequest(QUrl(QString("%1:%2/v2/contact").arg(host).arg(port)));
request.setHeader(QNetworkRequest::KnownHeaders::ContentTypeHeader, "application/json");
if (authHeader) {
request.setRawHeader(authHeader->key.toLatin1(), authHeader->value.toLatin1());
}
manager.post(request, QJsonDocument(entry.toJson()).toJson(QJsonDocument::Compact));
}
//! [POST contacts example]
void RestAccessManager::updateContact(const ContactEntry &entry)
{
auto request =
QNetworkRequest(QUrl(QString("%1:%2/v2/contact/%3").arg(host).arg(port).arg(entry.id)));
request.setHeader(QNetworkRequest::KnownHeaders::ContentTypeHeader, "application/json");
if (authHeader) {
request.setRawHeader(authHeader->key.toLatin1(), authHeader->value.toLatin1());
}
manager.put(request, QJsonDocument(entry.toJson()).toJson(QJsonDocument::Compact));
}
void RestAccessManager::deleteContact(qint64 id)
{
auto request =
QNetworkRequest(QUrl(QString("%1:%2/v2/contact/%3").arg(host).arg(port).arg(id)));
if (authHeader) {
request.setRawHeader(authHeader->key.toLatin1(), authHeader->value.toLatin1());
}
manager.deleteResource(request);
}
//! [Update contacts signal example]
void RestAccessManager::readContacts(QNetworkReply *reply)
{
if (reply->error()) {
return;
}
const std::optional<QJsonArray> array = byteArrayToJsonArray(reply->readAll());
if (array) {
ContactsMap tmpContacts;
for (const auto &jsonValue : *array) {
if (jsonValue.isObject()) {
const QJsonObject obj = jsonValue.toObject();
if (obj.contains("id") && obj.contains("name") && obj.contains("address")) {
tmpContacts.insert(obj.value("id").toInt(),
ContactEntry{ obj.value("id").toInt(),
obj.value("name").toString(),
obj.value("address").toString() });
}
}
}
{
QMutexLocker lock(&contactsMtx);
contacts.swap(tmpContacts);
}
emit contactsChanged();
} else {
this->updateContacts();
}
}
//! [Update contacts signal example]
//! [GET contacts example]
void RestAccessManager::updateContacts()
{
auto request = QNetworkRequest(QUrl(QString("%1:%2/v2/contact").arg(host).arg(port)));
request.setHeader(QNetworkRequest::KnownHeaders::ContentTypeHeader, "application/json");
manager.get(request);
}
//! [GET contacts example]
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