Method ResourceDownloadTask

launcher/ResourceDownloadTask.cpp:32–77

#include "net/ChecksumValidator.h"

ResourceDownloadTask::ResourceDownloadTask(ModPlatform::IndexedPack::Ptr pack,
                                           ModPlatform::IndexedVersion version,
                                           ResourceFolderModel* packs,
                                           bool is_indexed)
    : m_pack(std::move(pack)), m_pack_version(std::move(version)), m_pack_model(packs)
{
    if (is_indexed) {
        m_update_task.reset(new LocalResourceUpdateTask(m_pack_model->indexDir(), *m_pack, m_pack_version));
        connect(m_update_task.get(), &LocalResourceUpdateTask::hasOldResource, this, &ResourceDownloadTask::hasOldResource);

        addTask(m_update_task);
    }

    m_filesNetJob.reset(new NetJob(tr("Resource download"), APPLICATION->network()));
    m_filesNetJob->setStatus(tr("Downloading resource:\n%1").arg(m_pack_version.downloadUrl));

    auto action = Net::ApiDownload::makeFile(m_pack_version.downloadUrl, m_pack_model->dir().absoluteFilePath(getFilename()));
    if (!m_pack_version.hash_type.isEmpty() && !m_pack_version.hash.isEmpty()) {
        switch (Hashing::algorithmFromString(m_pack_version.hash_type)) {
            case Hashing::Algorithm::Md4:
                action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Md4, m_pack_version.hash));
                break;
            case Hashing::Algorithm::Md5:
                action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Md5, m_pack_version.hash));
                break;
            case Hashing::Algorithm::Sha1:
                action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Sha1, m_pack_version.hash));
                break;
            case Hashing::Algorithm::Sha256:
                action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Sha256, m_pack_version.hash));
                break;
            case Hashing::Algorithm::Sha512:
                action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Sha512, m_pack_version.hash));
                break;
            default:
                break;
        }
    }
    m_filesNetJob->addNetAction(action);
    connect(m_filesNetJob.get(), &NetJob::succeeded, this, &ResourceDownloadTask::downloadSucceeded);
    connect(m_filesNetJob.get(), &NetJob::progress, this, &ResourceDownloadTask::downloadProgressChanged);
    connect(m_filesNetJob.get(), &NetJob::stepProgress, this, &ResourceDownloadTask::propagateStepProgress);
    connect(m_filesNetJob.get(), &NetJob::failed, this, &ResourceDownloadTask::downloadFailed);

    addTask(m_filesNetJob);
}

void ResourceDownloadTask::downloadSucceeded()
{