Method checkCandidates

launcher/ui/dialogs/ModUpdateDialog.cpp:59–257

}

void ModUpdateDialog::checkCandidates()
{
    // Ensure mods have valid metadata
    auto went_well = ensureMetadata();
    if (!went_well) {
        m_aborted = true;
        return;
    }

    // Report failed metadata generation
    if (!m_failed_metadata.empty()) {
        QString text;
        for (const auto& failed : m_failed_metadata) {
            const auto& mod = std::get<0>(failed);
            const auto& reason = std::get<1>(failed);
            text += tr("Mod name: %1<br>File name: %2<br>Reason: %3<br><br>").arg(mod->name(), mod->fileinfo().fileName(), reason);
        }

        ScrollMessageBox message_dialog(m_parent, tr("Metadata generation failed"),
                                        tr("Could not generate metadata for the following mods:<br>"
                                           "Do you wish to proceed without those mods?"),
                                        text);
        message_dialog.setModal(true);
        if (message_dialog.exec() == QDialog::Rejected) {
            m_aborted = true;
            QMetaObject::invokeMethod(this, "reject", Qt::QueuedConnection);
            return;
        }
    }

    auto versions = mcVersions(m_instance);
    auto loadersList = mcLoadersList(m_instance);

    SequentialTask check_task(tr("Checking for updates"));

    if (!m_modrinth_to_update.empty()) {
        m_modrinth_check_task.reset(new ModrinthCheckUpdate(m_modrinth_to_update, versions, loadersList, m_mod_model));
        connect(m_modrinth_check_task.get(), &CheckUpdateTask::checkFailed, this,
                [this](Mod* mod, QString reason, QUrl recover_url) { m_failed_check_update.append({ mod, reason, recover_url }); });
        check_task.addTask(m_modrinth_check_task);
    }

    if (!m_flame_to_update.empty()) {
        m_flame_check_task.reset(new FlameCheckUpdate(m_flame_to_update, versions, loadersList, m_mod_model));
        connect(m_flame_check_task.get(), &CheckUpdateTask::checkFailed, this,
                [this](Mod* mod, QString reason, QUrl recover_url) { m_failed_check_update.append({ mod, reason, recover_url }); });
        check_task.addTask(m_flame_check_task);
    }

    connect(&check_task, &Task::failed, this,
            [&](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });

    connect(&check_task, &Task::succeeded, this, [&]() {
        QStringList warnings = check_task.warnings();
        if (warnings.count()) {
            CustomMessageBox::selectable(this, tr("Warnings"), warnings.join('\n'), QMessageBox::Warning)->exec();
        }
    });