Method ensureMetadata

launcher/ui/dialogs/ModUpdateDialog.cpp:203–302

Part 1: Ensure we have a valid metadata

// Part 1: Ensure we have a valid metadata
auto ModUpdateDialog::ensureMetadata() -> bool
{
    auto index_dir = indexDir();

    SequentialTask seq(m_parent, tr("Looking for metadata"));

    // A better use of data structures here could remove the need for this QHash
    QHash<QString, bool> should_try_others;
    QList<Mod*> modrinth_tmp;
    QList<Mod*> flame_tmp;

    bool confirm_rest = false;
    bool try_others_rest = false;
    bool skip_rest = false;
    ModPlatform::Provider provider_rest = ModPlatform::Provider::MODRINTH;

    auto addToTmp = [&](Mod* m, ModPlatform::Provider p) {
        switch (p) {
            case ModPlatform::Provider::MODRINTH:
                modrinth_tmp.push_back(m);
                break;
            case ModPlatform::Provider::FLAME:
                flame_tmp.push_back(m);
                break;
        }
    };

    for (auto candidate : m_candidates) {
        if (candidate->status() != ModStatus::NoMetadata) {
            onMetadataEnsured(candidate);
            continue;
        }

        if (skip_rest)
            continue;

        if (confirm_rest) {
            addToTmp(candidate, provider_rest);
            should_try_others.insert(candidate->internal_id(), try_others_rest);
            continue;
        }

        ChooseProviderDialog chooser(this);
        chooser.setDescription(tr("The mod '%1' does not have a metadata yet. We need to generate it in order to track relevant "
                                  "information on how to update this mod. "
                                  "To do this, please select a mod provider which we can use to check for updates for this mod.")
                                   .arg(candidate->name()));
        auto confirmed = chooser.exec() == QDialog::DialogCode::Accepted;

        auto response = chooser.getResponse();

        if (response.skip_all)
            skip_rest = true;
        if (response.confirm_all) {
            confirm_rest = true;
            provider_rest = response.chosen;
            try_others_rest = response.try_others;
        }