pollymc/launcher/minecraft/mod/tasks/ModFolderLoadTask.cpp

#include "ModFolderLoadTask.h"
#include <QDebug>

#include "Application.h"
#include "minecraft/mod/MetadataHandler.h"

ModFolderLoadTask::ModFolderLoadTask(QDir& mods_dir, QDir& index_dir) 
    : m_mods_dir(mods_dir), m_index_dir(index_dir), m_result(new Result())
{}

void ModFolderLoadTask::run()
{
    if (!APPLICATION->settings()->get("DontUseModMetadata").toBool()) {
        // Read metadata first
        getFromMetadata();
    }

    // Read JAR files that don't have metadata
    m_mods_dir.refresh();
    for (auto entry : m_mods_dir.entryInfoList()) {
        Mod mod(entry);
        if(m_result->mods.contains(mod.internal_id())){
            m_result->mods[mod.internal_id()].setStatus(ModStatus::Installed);
        }
        else {
            m_result->mods[mod.internal_id()] = mod;
            m_result->mods[mod.internal_id()].setStatus(ModStatus::NoMetadata);
        }
    }

    emit succeeded();
}

void ModFolderLoadTask::getFromMetadata()
{
    m_index_dir.refresh();
    for (auto entry : m_index_dir.entryList()) {
        // QDir::Filter::NoDotAndDotDot seems to exclude all files for some reason...
        if (entry == "." || entry == "..")
            continue;

        auto metadata = Metadata::get(m_index_dir, entry);
        // TODO: Don't simply return. Instead, show to the user that the metadata is there, but
        // it's not currently 'installed' (i.e. there's no JAR file yet).
        if(!metadata.isValid()){
            return;
        }

        Mod mod(m_mods_dir, metadata);
        mod.setStatus(ModStatus::NotInstalled);
        m_result->mods[mod.internal_id()] = mod;
    }
}