1 files changed, 433 insertions, 0 deletions
diff --git a/launcher/ui/pages/instance/ManagedPackPage.cpp b/launcher/ui/pages/instance/ManagedPackPage.cpp
new file mode 100644
index 00000000..4de80468
--- /dev/null
+++ b/launcher/ui/pages/instance/ManagedPackPage.cpp
@@ -0,0 +1,433 @@
+// SPDX-FileCopyrightText: 2022 flow <flowlnlnln@gmail.com>
+//
+// SPDX-License-Identifier: GPL-3.0-only
+
+#include "ManagedPackPage.h"
+#include "ui_ManagedPackPage.h"
+
+#include <QListView>
+#include <QProxyStyle>
+#include <QStyleFactory>
+
+#include <HoeDown.h>
+
+#include "Application.h"
+#include "BuildConfig.h"
+#include "InstanceImportTask.h"
+#include "InstanceList.h"
+#include "InstanceTask.h"
+#include "Json.h"
+
+#include "modplatform/modrinth/ModrinthPackManifest.h"
+
+#include "ui/InstanceWindow.h"
+#include "ui/dialogs/CustomMessageBox.h"
+#include "ui/dialogs/ProgressDialog.h"
+
+/** This is just to override the combo box popup behavior so that the combo box doesn't take the whole screen.
+ *  ... thanks Qt.
+ */
+class NoBigComboBoxStyle : public QProxyStyle {
+    Q_OBJECT
+
+   public:
+    NoBigComboBoxStyle(QStyle* style) : QProxyStyle(style) {}
+
+    // clang-format off
+    int styleHint(QStyle::StyleHint hint, const QStyleOption* option = nullptr, const QWidget* widget = nullptr, QStyleHintReturn* returnData = nullptr) const override
+    {
+        if (hint == QStyle::SH_ComboBox_Popup)
+            return false;
+
+        return QProxyStyle::styleHint(hint, option, widget, returnData);
+    }
+    // clang-format on
+};
+
+ManagedPackPage* ManagedPackPage::createPage(BaseInstance* inst, QString type, QWidget* parent)
+{
+    if (type == "modrinth")
+        return new ModrinthManagedPackPage(inst, nullptr, parent);
+    if (type == "flame" && (APPLICATION->capabilities() & Application::SupportsFlame))
+        return new FlameManagedPackPage(inst, nullptr, parent);
+
+    return new GenericManagedPackPage(inst, nullptr, parent);
+}
+
+ManagedPackPage::ManagedPackPage(BaseInstance* inst, InstanceWindow* instance_window, QWidget* parent)
+    : QWidget(parent), m_instance_window(instance_window), ui(new Ui::ManagedPackPage), m_inst(inst)
+{
+    Q_ASSERT(inst);
+
+    ui->setupUi(this);
+
+    // NOTE: GTK2 themes crash with the proxy style.
+    // This seems like an upstream bug, so there's not much else that can be done.
+    if (!QStyleFactory::keys().contains("gtk2"))
+        ui->versionsComboBox->setStyle(new NoBigComboBoxStyle(ui->versionsComboBox->style()));
+
+    ui->reloadButton->setVisible(false);
+    connect(ui->reloadButton, &QPushButton::clicked, this, [this](bool){
+        ui->reloadButton->setVisible(false);
+
+        m_loaded = false;
+        // Pretend we're opening the page again
+        openedImpl();
+    });
+}
+
+ManagedPackPage::~ManagedPackPage()
+{
+    delete ui;
+}
+
+void ManagedPackPage::openedImpl()
+{
+    ui->packName->setText(m_inst->getManagedPackName());
+    ui->packVersion->setText(m_inst->getManagedPackVersionName());
+    ui->packOrigin->setText(tr("Website: <a href=%1>%2</a>    |    Pack ID: %3    |    Version ID: %4")
+                                .arg(url(), displayName(), m_inst->getManagedPackID(), m_inst->getManagedPackVersionID()));
+
+    parseManagedPack();
+}
+
+QString ManagedPackPage::displayName() const
+{
+    auto type = m_inst->getManagedPackType();
+    if (type.isEmpty())
+        return {};
+    if (type == "flame")
+        type = "CurseForge";
+    return type.replace(0, 1, type[0].toUpper());
+}
+
+QIcon ManagedPackPage::icon() const
+{
+    return APPLICATION->getThemedIcon(m_inst->getManagedPackType());
+}
+
+QString ManagedPackPage::helpPage() const
+{
+    return {};
+}
+
+void ManagedPackPage::retranslate()
+{
+    ui->retranslateUi(this);
+}
+
+bool ManagedPackPage::shouldDisplay() const
+{
+    return m_inst->isManagedPack();
+}
+
+bool ManagedPackPage::runUpdateTask(InstanceTask* task)
+{
+    Q_ASSERT(task);
+
+    unique_qobject_ptr<Task> wrapped_task(APPLICATION->instances()->wrapInstanceTask(task));
+
+    connect(task, &Task::failed,
+            [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->show(); });
+    connect(task, &Task::succeeded, [this, task]() {
+        QStringList warnings = task->warnings();
+        if (warnings.count())
+            CustomMessageBox::selectable(this, tr("Warnings"), warnings.join('\n'), QMessageBox::Warning)->show();
+    });
+    connect(task, &Task::aborted, [this] {
+        CustomMessageBox::selectable(this, tr("Task aborted"), tr("The task has been aborted by the user."), QMessageBox::Information)
+            ->show();
+    });
+
+    ProgressDialog loadDialog(this);
+    loadDialog.setSkipButton(true, tr("Abort"));
+    loadDialog.execWithTask(task);
+
+    return task->wasSuccessful();
+}
+
+void ManagedPackPage::suggestVersion()
+{
+    ui->updateButton->setText(tr("Update pack"));
+    ui->updateButton->setDisabled(false);
+}
+
+void ManagedPackPage::setFailState()
+{
+    qDebug() << "Setting fail state!";
+
+    // We block signals here so that suggestVersion() doesn't get called, causing an assertion fail.
+    ui->versionsComboBox->blockSignals(true);
+    ui->versionsComboBox->clear();
+    ui->versionsComboBox->addItem(tr("Failed to search for available versions."), {});
+    ui->versionsComboBox->blockSignals(false);
+
+    ui->changelogTextBrowser->setText(tr("Failed to request changelog data for this modpack."));
+
+    ui->updateButton->setText(tr("Cannot update!"));
+    ui->updateButton->setDisabled(true);
+
+    ui->reloadButton->setVisible(true);
+}
+
+ModrinthManagedPackPage::ModrinthManagedPackPage(BaseInstance* inst, InstanceWindow* instance_window, QWidget* parent)
+    : ManagedPackPage(inst, instance_window, parent)
+{
+    Q_ASSERT(inst->isManagedPack());
+    connect(ui->versionsComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(suggestVersion()));
+    connect(ui->updateButton, &QPushButton::pressed, this, &ModrinthManagedPackPage::update);
+}
+
+// MODRINTH
+
+void ModrinthManagedPackPage::parseManagedPack()
+{
+    qDebug() << "Parsing Modrinth pack";
+
+    // No need for the extra work because we already have everything we need.
+    if (m_loaded)
+        return;
+
+    if (m_fetch_job && m_fetch_job->isRunning())
+        m_fetch_job->abort();
+
+    m_fetch_job.reset(new NetJob(QString("Modrinth::PackVersions(%1)").arg(m_inst->getManagedPackName()), APPLICATION->network()));
+    auto response = std::make_shared<QByteArray>();
+
+    QString id = m_inst->getManagedPackID();
+
+    m_fetch_job->addNetAction(Net::Download::makeByteArray(QString("%1/project/%2/version").arg(BuildConfig.MODRINTH_PROD_URL, id), response.get()));
+
+    QObject::connect(m_fetch_job.get(), &NetJob::succeeded, this, [this, response, id] {
+        QJsonParseError parse_error{};
+        QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
+        if (parse_error.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response from Modrinth at " << parse_error.offset
+                       << " reason: " << parse_error.errorString();
+            qWarning() << *response;
+
+            setFailState();
+
+            return;
+        }
+
+        try {
+            Modrinth::loadIndexedVersions(m_pack, doc);
+        } catch (const JSONValidationError& e) {
+            qDebug() << *response;
+            qWarning() << "Error while reading modrinth modpack version: " << e.cause();
+
+            setFailState();
+            return;
+        }
+
+        // We block signals here so that suggestVersion() doesn't get called, causing an assertion fail.
+        ui->versionsComboBox->blockSignals(true);
+        ui->versionsComboBox->clear();
+        ui->versionsComboBox->blockSignals(false);
+
+        for (auto version : m_pack.versions) {
+            QString name = version.version;
+
+            if (!version.name.contains(version.version))
+                name = QString("%1 — %2").arg(version.name, version.version);
+
+            // NOTE: the id from version isn't the same id in the modpack format spec...
+            // e.g. HexMC's 4.4.0 has versionId 4.0.0 in the modpack index..............
+            if (version.version == m_inst->getManagedPackVersionName())
+                name = tr("%1 (Current)").arg(name);
+
+
+            ui->versionsComboBox->addItem(name, QVariant(version.id));
+        }
+
+        suggestVersion();
+
+        m_loaded = true;
+    });
+    QObject::connect(m_fetch_job.get(), &NetJob::failed, this, &ModrinthManagedPackPage::setFailState);
+    QObject::connect(m_fetch_job.get(), &NetJob::aborted, this, &ModrinthManagedPackPage::setFailState);
+
+    ui->changelogTextBrowser->setText(tr("Fetching changelogs..."));
+
+    m_fetch_job->start();
+}
+
+QString ModrinthManagedPackPage::url() const
+{
+    return "https://modrinth.com/mod/" + m_inst->getManagedPackID();
+}
+
+void ModrinthManagedPackPage::suggestVersion()
+{
+    auto index = ui->versionsComboBox->currentIndex();
+    auto version = m_pack.versions.at(index);
+
+    HoeDown md_parser;
+    ui->changelogTextBrowser->setHtml(md_parser.process(version.changelog.toUtf8()));
+
+    ManagedPackPage::suggestVersion();
+}
+
+void ModrinthManagedPackPage::update()
+{
+    auto index = ui->versionsComboBox->currentIndex();
+    auto version = m_pack.versions.at(index);
+
+    QMap<QString, QString> extra_info;
+    // NOTE: Don't use 'm_pack.id' here, since we didn't completely parse all the metadata for the pack, including this field.
+    extra_info.insert("pack_id", m_inst->getManagedPackID());
+    extra_info.insert("pack_version_id", version.id);
+    extra_info.insert("original_instance_id", m_inst->id());
+
+    auto extracted = new InstanceImportTask(version.download_url, this, std::move(extra_info));
+
+    InstanceName inst_name(m_inst->getManagedPackName(), version.version);
+    inst_name.setName(m_inst->name().replace(m_inst->getManagedPackVersionName(), version.version));
+    extracted->setName(inst_name);
+
+    extracted->setGroup(APPLICATION->instances()->getInstanceGroup(m_inst->id()));
+    extracted->setIcon(m_inst->iconKey());
+    extracted->setConfirmUpdate(false);
+
+    auto did_succeed = runUpdateTask(extracted);
+
+    if (m_instance_window && did_succeed)
+        m_instance_window->close();
+}
+
+// FLAME
+
+FlameManagedPackPage::FlameManagedPackPage(BaseInstance* inst, InstanceWindow* instance_window, QWidget* parent)
+    : ManagedPackPage(inst, instance_window, parent)
+{
+    Q_ASSERT(inst->isManagedPack());
+    connect(ui->versionsComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(suggestVersion()));
+    connect(ui->updateButton, &QPushButton::pressed, this, &FlameManagedPackPage::update);
+}
+
+void FlameManagedPackPage::parseManagedPack()
+{
+    qDebug() << "Parsing Flame pack";
+
+    // We need to tell the user to redownload the pack, since we didn't save the required info previously
+    if (m_inst->getManagedPackID().isEmpty()) {
+        setFailState();
+        QString message =
+            tr("<h1>Hey there!</h1>"
+               "<h4>"
+               "It seems like your Pack ID is null. This is because of a bug in older versions of the launcher.<br/>"
+               "Unfortunately, we can't do the proper API requests without this information.<br/>"
+               "<br/>"
+               "So, in order for this feature to work, you will need to re-download the modpack from the built-in downloader.<br/>"
+               "<br/>"
+               "Don't worry though, it will ask you to update this instance instead, so you'll not lose this instance!"
+               "</h4>");
+
+        ui->changelogTextBrowser->setHtml(message);
+        return;
+    }
+
+    // No need for the extra work because we already have everything we need.
+    if (m_loaded)
+        return;
+
+    if (m_fetch_job && m_fetch_job->isRunning())
+        m_fetch_job->abort();
+
+    m_fetch_job.reset(new NetJob(QString("Flame::PackVersions(%1)").arg(m_inst->getManagedPackName()), APPLICATION->network()));
+    auto response = std::make_shared<QByteArray>();
+
+    QString id = m_inst->getManagedPackID();
+
+    m_fetch_job->addNetAction(Net::Download::makeByteArray(QString("%1/mods/%2/files").arg(BuildConfig.FLAME_BASE_URL, id), response.get()));
+
+    QObject::connect(m_fetch_job.get(), &NetJob::succeeded, this, [this, response, id] {
+        QJsonParseError parse_error{};
+        QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
+        if (parse_error.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response from Flame at " << parse_error.offset
+                       << " reason: " << parse_error.errorString();
+            qWarning() << *response;
+
+            setFailState();
+
+            return;
+        }
+
+        try {
+            auto obj = doc.object();
+            auto data = Json::ensureArray(obj, "data");
+            Flame::loadIndexedPackVersions(m_pack, data);
+        } catch (const JSONValidationError& e) {
+            qDebug() << *response;
+            qWarning() << "Error while reading flame modpack version: " << e.cause();
+
+            setFailState();
+            return;
+        }
+
+        // We block signals here so that suggestVersion() doesn't get called, causing an assertion fail.
+        ui->versionsComboBox->blockSignals(true);
+        ui->versionsComboBox->clear();
+        ui->versionsComboBox->blockSignals(false);
+
+        for (auto version : m_pack.versions) {
+            QString name = version.version;
+
+            if (version.fileId == m_inst->getManagedPackVersionID().toInt())
+                name = tr("%1 (Current)").arg(name);
+
+            ui->versionsComboBox->addItem(name, QVariant(version.fileId));
+        }
+
+        suggestVersion();
+
+        m_loaded = true;
+    });
+    QObject::connect(m_fetch_job.get(), &NetJob::failed, this, &FlameManagedPackPage::setFailState);
+    QObject::connect(m_fetch_job.get(), &NetJob::aborted, this, &FlameManagedPackPage::setFailState);
+
+    m_fetch_job->start();
+}
+
+QString FlameManagedPackPage::url() const
+{
+    // FIXME: We should display the websiteUrl field, but this requires doing the API request first :(
+    return {};
+}
+
+void FlameManagedPackPage::suggestVersion()
+{
+    auto index = ui->versionsComboBox->currentIndex();
+    auto version = m_pack.versions.at(index);
+
+    ui->changelogTextBrowser->setHtml(m_api.getModFileChangelog(m_inst->getManagedPackID().toInt(), version.fileId));
+
+    ManagedPackPage::suggestVersion();
+}
+
+void FlameManagedPackPage::update()
+{
+    auto index = ui->versionsComboBox->currentIndex();
+    auto version = m_pack.versions.at(index);
+
+    QMap<QString, QString> extra_info;
+    extra_info.insert("pack_id", m_inst->getManagedPackID());
+    extra_info.insert("pack_version_id", QString::number(version.fileId));
+    extra_info.insert("original_instance_id", m_inst->id());
+
+    auto extracted = new InstanceImportTask(version.downloadUrl, this, std::move(extra_info));
+
+    extracted->setName(m_inst->name());
+    extracted->setGroup(APPLICATION->instances()->getInstanceGroup(m_inst->id()));
+    extracted->setIcon(m_inst->iconKey());
+    extracted->setConfirmUpdate(false);
+
+    auto did_succeed = runUpdateTask(extracted);
+
+    if (m_instance_window && did_succeed)
+        m_instance_window->close();
+}
+
+#include "ManagedPackPage.moc"