1 files changed, 314 insertions, 0 deletions
diff --git a/application/pages/modplatform/twitch/TwitchModel.cpp b/application/pages/modplatform/twitch/TwitchModel.cpp
new file mode 100644
index 00000000..d9358941
--- /dev/null
+++ b/application/pages/modplatform/twitch/TwitchModel.cpp
@@ -0,0 +1,314 @@
+#include "TwitchModel.h"
+#include "MultiMC.h"
+
+#include <MMCStrings.h>
+#include <Version.h>
+
+#include <QtMath>
+#include <QLabel>
+
+#include <RWStorage.h>
+#include <Env.h>
+
+#include "net/URLConstants.h"
+
+namespace Twitch {
+
+ListModel::ListModel(QObject *parent) : QAbstractListModel(parent)
+{
+}
+
+ListModel::~ListModel()
+{
+}
+
+int ListModel::rowCount(const QModelIndex &parent) const
+{
+    return modpacks.size();
+}
+
+int ListModel::columnCount(const QModelIndex &parent) const
+{
+    return 1;
+}
+
+QVariant ListModel::data(const QModelIndex &index, int role) const
+{
+    int pos = index.row();
+    if(pos >= modpacks.size() || pos < 0 || !index.isValid())
+    {
+        return QString("INVALID INDEX %1").arg(pos);
+    }
+
+    Modpack pack = modpacks.at(pos);
+    if(role == Qt::DisplayRole)
+    {
+        return pack.name;
+    }
+    else if (role == Qt::ToolTipRole)
+    {
+        if(pack.description.length() > 100)
+        {
+            //some magic to prevent to long tooltips and replace html linebreaks
+            QString edit = pack.description.left(97);
+            edit = edit.left(edit.lastIndexOf("<br>")).left(edit.lastIndexOf(" ")).append("...");
+            return edit;
+
+        }
+        return pack.description;
+    }
+    else if(role == Qt::DecorationRole)
+    {
+        if(m_logoMap.contains(pack.logoName))
+        {
+            return (m_logoMap.value(pack.logoName));
+        }
+        QIcon icon = MMC->getThemedIcon("screenshot-placeholder");
+        ((ListModel *)this)->requestLogo(pack.logoName, pack.logoUrl);
+        return icon;
+    }
+    else if(role == Qt::UserRole)
+    {
+        QVariant v;
+        v.setValue(pack);
+        return v;
+    }
+
+    return QVariant();
+}
+
+void ListModel::logoLoaded(QString logo, QIcon out)
+{
+    m_loadingLogos.removeAll(logo);
+    m_logoMap.insert(logo, out);
+    for(int i = 0; i < modpacks.size(); i++) {
+        if(modpacks[i].logoName == logo) {
+            emit dataChanged(createIndex(i, 0), createIndex(i, 0), {Qt::DecorationRole});
+        }
+    }
+}
+
+void ListModel::logoFailed(QString logo)
+{
+    m_failedLogos.append(logo);
+    m_loadingLogos.removeAll(logo);
+}
+
+void ListModel::requestLogo(QString logo, QString url)
+{
+    if(m_loadingLogos.contains(logo) || m_failedLogos.contains(logo))
+    {
+        return;
+    }
+
+    MetaEntryPtr entry = ENV.metacache()->resolveEntry("TwitchPacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
+    NetJob *job = new NetJob(QString("Twitch Icon Download %1").arg(logo));
+    job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
+
+    auto fullPath = entry->getFullPath();
+    QObject::connect(job, &NetJob::finished, this, [this, logo, fullPath]
+    {
+        emit logoLoaded(logo, QIcon(fullPath));
+        if(waitingCallbacks.contains(logo))
+        {
+            waitingCallbacks.value(logo)(fullPath);
+        }
+    });
+
+    QObject::connect(job, &NetJob::failed, this, [this, logo]
+    {
+        emit logoFailed(logo);
+    });
+
+    job->start();
+
+    m_loadingLogos.append(logo);
+}
+
+void ListModel::getLogo(const QString &logo, const QString &logoUrl, LogoCallback callback)
+{
+    if(m_logoMap.contains(logo))
+    {
+        callback(ENV.metacache()->resolveEntry("TwitchPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
+    }
+    else
+    {
+        requestLogo(logo, logoUrl);
+    }
+}
+
+Qt::ItemFlags ListModel::flags(const QModelIndex &index) const
+{
+    return QAbstractListModel::flags(index);
+}
+
+bool ListModel::canFetchMore(const QModelIndex& parent) const
+{
+    return searchState == CanPossiblyFetchMore;
+}
+
+void ListModel::fetchMore(const QModelIndex& parent)
+{
+    if (parent.isValid())
+        return;
+    if(nextSearchOffset == 0) {
+        qWarning() << "fetchMore with 0 offset is wrong...";
+        return;
+    }
+    performPaginatedSearch();
+}
+
+void ListModel::performPaginatedSearch()
+{
+    NetJob *netJob = new NetJob("Twitch::Search");
+    auto searchUrl = QString(
+        "https://addons-ecs.forgesvc.net/api/v2/addon/search?"
+        "categoryId=0&"
+        "gameId=432&"
+        //"gameVersion=1.12.2&"
+        "index=%1&"
+        "pageSize=25&"
+        "searchFilter=%2&"
+        "sectionId=4471&"
+        "sort=0"
+    ).arg(nextSearchOffset).arg(currentSearchTerm);
+    netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
+    jobPtr = netJob;
+    jobPtr->start();
+    QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::searchRequestFinished);
+    QObject::connect(netJob, &NetJob::failed, this, &ListModel::searchRequestFailed);
+}
+
+void ListModel::searchWithTerm(const QString& term)
+{
+    if(currentSearchTerm == term) {
+        return;
+    }
+    currentSearchTerm = term;
+    if(jobPtr) {
+        jobPtr->abort();
+        searchState = ResetRequested;
+        return;
+    }
+    else {
+        beginResetModel();
+        modpacks.clear();
+        endResetModel();
+        searchState = None;
+    }
+    nextSearchOffset = 0;
+    performPaginatedSearch();
+}
+
+void Twitch::ListModel::searchRequestFinished()
+{
+    jobPtr.reset();
+
+    QJsonParseError parse_error;
+    QJsonDocument doc = QJsonDocument::fromJson(response, &parse_error);
+    if(parse_error.error != QJsonParseError::NoError) {
+        qWarning() << "Error while parsing JSON response from Twitch at " << parse_error.offset << " reason: " << parse_error.errorString();
+        qWarning() << response;
+        return;
+    }
+
+    QList<Modpack> newList;
+    auto objs = doc.array();
+    for(auto projectIter: objs) {
+        Modpack pack;
+        auto project = projectIter.toObject();
+        pack.addonId = project.value("id").toInt(0);
+        if (pack.addonId == 0) {
+            qWarning() << "Pack without an ID, skipping: " << pack.name;
+            continue;
+        }
+        pack.name = project.value("name").toString();
+        pack.websiteUrl = project.value("websiteUrl").toString();
+        pack.description = project.value("summary").toString();
+        bool thumbnailFound = false;
+        auto attachments = project.value("attachments").toArray();
+        for(auto attachmentIter: attachments) {
+            auto attachment = attachmentIter.toObject();
+            bool isDefault = attachment.value("isDefault").toBool(false);
+            if(isDefault) {
+                thumbnailFound = true;
+                pack.logoName = attachment.value("title").toString();
+                pack.logoUrl = attachment.value("thumbnailUrl").toString();
+                break;
+            }
+        }
+        if(!thumbnailFound) {
+            qWarning() << "Pack without an icon, skipping: " << pack.name;
+            continue;
+        }
+        auto authors = project.value("authors").toArray();
+        for(auto authorIter: authors) {
+            auto author = authorIter.toObject();
+            ModpackAuthor packAuthor;
+            packAuthor.name = author.value("name").toString();
+            packAuthor.url = author.value("url").toString();
+            pack.authors.append(packAuthor);
+        }
+        int defaultFileId = project.value("defaultFileId").toInt(0);
+        if(defaultFileId == 0) {
+            qWarning() << "Pack without default file, skipping: " << pack.name;
+            continue;
+        }
+        bool found = false;
+        auto files = project.value("latestFiles").toArray();
+        for(auto fileIter: files) {
+            auto file = fileIter.toObject();
+            int id = file.value("id").toInt(0);
+            // NOTE: for now, ignore everything that's not the default...
+            if(id != defaultFileId) {
+                continue;
+            }
+            pack.latestFile.addonId = pack.addonId;
+            pack.latestFile.fileId = id;
+            // FIXME: what to do when there's more than one, or there's no version?
+            auto versionArray = file.value("gameVersion").toArray();
+            if(versionArray.size() != 1) {
+                continue;
+            }
+            pack.latestFile.mcVersion = versionArray[0].toString();
+            pack.latestFile.version = file.value("displayName").toString();
+            pack.latestFile.downloadUrl = file.value("downloadUrl").toString();
+            found = true;
+            break;
+        }
+        if(!found) {
+            qWarning() << "Pack with no good file, skipping: " << pack.name;
+            continue;
+        }
+        pack.broken = false;
+        newList.append(pack);
+    }
+    if(objs.size() < 25) {
+        searchState = Finished;
+    } else {
+        nextSearchOffset += 25;
+        searchState = CanPossiblyFetchMore;
+    }
+    beginInsertRows(QModelIndex(), modpacks.size(), modpacks.size() + newList.size() - 1);
+    modpacks.append(newList);
+    endInsertRows();
+}
+
+void Twitch::ListModel::searchRequestFailed(QString reason)
+{
+    jobPtr.reset();
+
+    if(searchState == ResetRequested) {
+        beginResetModel();
+        modpacks.clear();
+        endResetModel();
+
+        nextSearchOffset = 0;
+        performPaginatedSearch();
+    } else {
+        searchState = Finished;
+    }
+}
+
+}
+