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Location: tempo-plotter/src/updatechecker.cpp
69502eaef6c8
3.0 KiB
text/x-c++hdr
minor version is necessary to distinguish version numbers from other numbers such as architecture
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 99 100 101 102 103 104 105 106 107 | #include "updatechecker.h"
#include <QtDebug>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonValue>
// This returns the list of downloads in JSON format. Note that we only use the first
// page because results are sorted in new to old.
const char BB_DOWNLOADS_URL[] = "https://api.bitbucket.org/2.0/repositories/hyozd/serialplot/downloads?fields=values.name,values.links.self.href";
UpdateChecker::UpdateChecker(QObject *parent) :
QObject(parent), nam(this)
{
connect(&nam, &QNetworkAccessManager::finished,
this, &UpdateChecker::onReqFinished);
}
void UpdateChecker::checkUpdate()
{
auto req = QNetworkRequest(QUrl(BB_DOWNLOADS_URL));
nam.get(req);
}
void UpdateChecker::onReqFinished(QNetworkReply* reply)
{
qDebug() << "finished";
if (reply->error() != QNetworkReply::NoError)
{
emit checkFailed(QString("Network error: ") + reply->errorString());
}
else
{
QJsonParseError error;
auto data = QJsonDocument::fromJson(reply->readAll(), &error);
if (error.error != QJsonParseError::NoError)
{
emit checkFailed(QString("JSon parsing error: ") + error.errorString());
}
else
{
QList<FileInfo> files;
if (!parseData(data, files))
{
// TODO: emit detailed data contents for logging
emit checkFailed("Data parsing error.");
qDebug() << "Data parsing error.";
}
else
{
for (auto f : files)
{
qDebug() << f.name << f.link;
}
}
}
}
reply->deleteLater();
}
bool UpdateChecker::parseData(const QJsonDocument& data, QList<FileInfo>& files)
{
/* Data is expected to be in this form:
{
"values": [
{
"name": "serialplot-0.9.1-x86_64.AppImage",
"links": {
"self": {
"href": "https://api.bitbucket.org/2.0/repositories/hyOzd/serialplot/downloads/serialplot-0.9.1-x86_64.AppImage"
}
}
}, ... ]
}
*/
if (!data.isObject()) return false;
auto values = data.object()["values"];
if (values == QJsonValue::Undefined || !values.isArray()) return false;
for (auto value : values.toArray())
{
if (!value.isObject()) return false;
auto name = value.toObject().value("name");
if (name.isUndefined() || !name.isString())
return false;
auto links = value.toObject().value("links");
if (links.isUndefined() || !links.isObject())
return false;
auto self = links.toObject().value("self");
if (self.isUndefined() || !self.isObject())
return false;
auto href = self.toObject().value("href");
if (href.isUndefined() || !href.isString())
return false;
files += {name.toString(), href.toString()};
}
return true;
}
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