NOISSUE continue reshuffling the codebase

launcher/ui/dialogs/UpdateDialog.cpp

@@ -0,0 +1,182 @@
+#include "UpdateDialog.h"
+#include "ui_UpdateDialog.h"
+#include <QDebug>
+#include "Application.h"
+#include <settings/SettingsObject.h>
+#include <Json.h>
+
+#include "BuildConfig.h"
+#include "HoeDown.h"
+
+UpdateDialog::UpdateDialog(bool hasUpdate, QWidget *parent) : QDialog(parent), ui(new Ui::UpdateDialog)
+{
+    ui->setupUi(this);
+    auto channel = APPLICATION->settings()->get("UpdateChannel").toString();
+    if(hasUpdate)
+    {
+        ui->label->setText(tr("A new %1 update is available!").arg(channel));
+    }
+    else
+    {
+        ui->label->setText(tr("No %1 updates found. You are running the latest version.").arg(channel));
+        ui->btnUpdateNow->setHidden(true);
+        ui->btnUpdateLater->setText(tr("Close"));
+    }
+    ui->changelogBrowser->setHtml(tr("<center><h1>Loading changelog...</h1></center>"));
+    loadChangelog();
+    restoreGeometry(QByteArray::fromBase64(APPLICATION->settings()->get("UpdateDialogGeometry").toByteArray()));
+}
+
+UpdateDialog::~UpdateDialog()
+{
+}
+
+void UpdateDialog::loadChangelog()
+{
+    auto channel = APPLICATION->settings()->get("UpdateChannel").toString();
+    dljob.reset(new NetJob("Changelog"));
+    QString url;
+    if(channel == "stable")
+    {
+        url = QString("https://raw.githubusercontent.com/MultiMC/Launcher/%1/changelog.md").arg(channel);
+        m_changelogType = CHANGELOG_MARKDOWN;
+    }
+    else
+    {
+        url = QString("https://api.github.com/repos/MultiMC/Launcher/compare/%1...%2").arg(BuildConfig.GIT_COMMIT, channel);
+        m_changelogType = CHANGELOG_COMMITS;
+    }
+    dljob->addNetAction(Net::Download::makeByteArray(QUrl(url), &changelogData));
+    connect(dljob.get(), &NetJob::succeeded, this, &UpdateDialog::changelogLoaded);
+    connect(dljob.get(), &NetJob::failed, this, &UpdateDialog::changelogFailed);
+    dljob->start(APPLICATION->network());
+}
+
+QString reprocessMarkdown(QByteArray markdown)
+{
+    HoeDown hoedown;
+    QString output = hoedown.process(markdown);
+
+    // HACK: easier than customizing hoedown
+    output.replace(QRegExp("GH-([0-9]+)"), "<a href=\"https://github.com/MultiMC/Launcher/issues/\\1\">GH-\\1</a>");
+    qDebug() << output;
+    return output;
+}
+
+QString reprocessCommits(QByteArray json)
+{
+    auto channel = APPLICATION->settings()->get("UpdateChannel").toString();
+    try
+    {
+        QString result;
+        auto document = Json::requireDocument(json);
+        auto rootobject = Json::requireObject(document);
+        auto status = Json::requireString(rootobject, "status");
+        auto diff_url = Json::requireString(rootobject, "html_url");
+
+        auto print_commits = [&]()
+        {
+            result += "<table cellspacing=0 cellpadding=2 style='border-width: 1px; border-style: solid'>";
+            auto commitarray = Json::requireArray(rootobject, "commits");
+            for(int i = commitarray.size() - 1; i >= 0; i--)
+            {
+                const auto & commitval = commitarray[i];
+                auto commitobj = Json::requireObject(commitval);
+                auto parents_info = Json::ensureArray(commitobj, "parents");
+                // NOTE: this ignores merge commits, because they have more than one parent
+                if(parents_info.size() > 1)
+                {
+                    continue;
+                }
+                auto commit_url = Json::requireString(commitobj, "html_url");
+                auto commit_info = Json::requireObject(commitobj, "commit");
+                auto commit_message = Json::requireString(commit_info, "message");
+                auto lines = commit_message.split('\n');
+                QRegularExpression regexp("(?<prefix>(GH-(?<issuenr>[0-9]+))|(NOISSUE)|(SCRATCH))? *(?<rest>.*) *");
+                auto match = regexp.match(lines.takeFirst(), 0, QRegularExpression::NormalMatch);
+                auto issuenr = match.captured("issuenr");
+                auto prefix = match.captured("prefix");
+                auto rest = match.captured("rest");
+                result += "<tr><td>";
+                if(issuenr.length())
+                {
+                    result += QString("<a href=\"https://github.com/MultiMC/Launcher/issues/%1\">GH-%2</a>").arg(issuenr, issuenr);
+                }
+                else if(prefix.length())
+                {
+                    result += QString("<a href=\"%1\">%2</a>").arg(commit_url, prefix);
+                }
+                else
+                {
+                    result += QString("<a href=\"%1\">NOISSUE</a>").arg(commit_url);
+                }
+                result += "</td>";
+                lines.prepend(rest);
+                result += "<td><p>" + lines.join("<br />") + "</p></td></tr>";
+            }
+            result += "</table>";
+        };
+
+        if(status == "identical")
+        {
+            return QObject::tr("<p>There are no code changes between your current version and latest %1.</p>").arg(channel);
+        }
+        else if(status == "ahead")
+        {
+            result += QObject::tr("<p>Following commits were added since last update:</p>");
+            print_commits();
+        }
+        else if(status == "diverged")
+        {
+            auto commit_ahead = Json::requireInteger(rootobject, "ahead_by");
+            auto commit_behind = Json::requireInteger(rootobject, "behind_by");
+            result += QObject::tr("<p>The update removes %1 commits and adds the following %2:</p>").arg(commit_behind).arg(commit_ahead);
+            print_commits();
+        }
+        result += QObject::tr("<p>You can <a href=\"%1\">look at the changes on github</a>.</p>").arg(diff_url);
+        return result;
+    }
+    catch (const JSONValidationError &e)
+    {
+        qWarning() << "Got an unparseable commit log from github:" << e.what();
+        qDebug() << json;
+    }
+    return QString();
+}
+
+void UpdateDialog::changelogLoaded()
+{
+    QString result;
+    switch(m_changelogType)
+    {
+        case CHANGELOG_COMMITS:
+            result = reprocessCommits(changelogData);
+            break;
+        case CHANGELOG_MARKDOWN:
+            result = reprocessMarkdown(changelogData);
+            break;
+    }
+    changelogData.clear();
+    ui->changelogBrowser->setHtml(result);
+}
+
+void UpdateDialog::changelogFailed(QString reason)
+{
+    ui->changelogBrowser->setHtml(tr("<p align=\"center\" <span style=\"font-size:22pt;\">Failed to fetch changelog... Error: %1</span></p>").arg(reason));
+}
+
+void UpdateDialog::on_btnUpdateLater_clicked()
+{
+    reject();
+}
+
+void UpdateDialog::on_btnUpdateNow_clicked()
+{
+    done(UPDATE_NOW);
+}
+
+void UpdateDialog::closeEvent(QCloseEvent* evt)
+{
+    APPLICATION->settings()->set("UpdateDialogGeometry", saveGeometry().toBase64());
+    QDialog::closeEvent(evt);
+}