NOISSUE Bare-bones twitch pack browser

10 files changed, 595 insertions, 1 deletions

diff --git a/api/logic/Env.cpp b/api/logic/Env.cpp
index 77546bbc..0d496d4e 100644
--- a/api/logic/Env.cpp
+++ b/api/logic/Env.cpp
@@ -97,6 +97,7 @@ void Env::initHttpMetaCache()
     m_metacache->addBase("liteloader", QDir("mods/liteloader").absolutePath());
     m_metacache->addBase("general", QDir("cache").absolutePath());
     m_metacache->addBase("FTBPacks", QDir("cache/FTBPacks").absolutePath());
+    m_metacache->addBase("TwitchPacks", QDir("cache/TwitchPacks").absolutePath());
     m_metacache->addBase("skins", QDir("accounts/skins").absolutePath());
     m_metacache->addBase("root", QDir::currentPath());
     m_metacache->addBase("translations", QDir("translations").absolutePath());
diff --git a/application/CMakeLists.txt b/application/CMakeLists.txt
index 94ba56d0..99ec8b8f 100644
--- a/application/CMakeLists.txt
+++ b/application/CMakeLists.txt
@@ -133,6 +133,11 @@ SET(MULTIMC_SOURCES
     pages/modplatform/legacy_ftb/Page.h
     pages/modplatform/legacy_ftb/ListModel.h
     pages/modplatform/legacy_ftb/ListModel.cpp
+    pages/modplatform/twitch/TwitchData.h
+    pages/modplatform/twitch/TwitchModel.cpp
+    pages/modplatform/twitch/TwitchModel.h
+    pages/modplatform/twitch/TwitchPage.cpp
+    pages/modplatform/twitch/TwitchPage.h
     pages/modplatform/ImportPage.cpp
     pages/modplatform/ImportPage.h
 
@@ -251,7 +256,8 @@ SET(MULTIMC_UIS
     # Platform pages
     pages/modplatform/VanillaPage.ui
     pages/modplatform/legacy_ftb/Page.ui
-    pages/modplatform/ImportPage.ui
+    pages/modplatform/twitch/TwitchPage.ui
+    pages/modplatform/twitch/ImportPage.ui
 
     # Dialogs
     dialogs/CopyInstanceDialog.ui
diff --git a/application/dialogs/NewInstanceDialog.cpp b/application/dialogs/NewInstanceDialog.cpp
index 804340bc..511f991e 100644
--- a/application/dialogs/NewInstanceDialog.cpp
+++ b/application/dialogs/NewInstanceDialog.cpp
@@ -35,6 +35,7 @@
 #include "widgets/PageContainer.h"
 #include <pages/modplatform/VanillaPage.h>
 #include <pages/modplatform/legacy_ftb/Page.h>
+#include <pages/modplatform/twitch/TwitchPage.h>
 #include <pages/modplatform/ImportPage.h>
 
 
@@ -119,11 +120,13 @@ void NewInstanceDialog::accept()
 QList<BasePage *> NewInstanceDialog::getPages()
 {
     importPage = new ImportPage(this);
+    twitchPage = new TwitchPage(this);
     return
     {
         new VanillaPage(this),
         importPage,
         new LegacyFTB::Page(this),
+        twitchPage
     };
 }
 
diff --git a/application/dialogs/NewInstanceDialog.h b/application/dialogs/NewInstanceDialog.h
index c86ab73f..0b8b2fb8 100644
--- a/application/dialogs/NewInstanceDialog.h
+++ b/application/dialogs/NewInstanceDialog.h
@@ -29,6 +29,7 @@ class NewInstanceDialog;
 class PageContainer;
 class QDialogButtonBox;
 class ImportPage;
+class TwitchPage;
 
 class NewInstanceDialog : public QDialog, public BasePageProvider
 {
@@ -67,6 +68,7 @@ private:
 
     QString InstIconKey;
     ImportPage *importPage = nullptr;
+    TwitchPage *twitchPage = nullptr;
     std::unique_ptr<InstanceTask> creationTask;
 
     bool importIcon = false;
diff --git a/application/pages/modplatform/twitch/TwitchData.h b/application/pages/modplatform/twitch/TwitchData.h
new file mode 100644
index 00000000..dd000b84
--- /dev/null
+++ b/application/pages/modplatform/twitch/TwitchData.h
@@ -0,0 +1,38 @@
+#pragma once
+
+#include <QString>
+#include <QList>
+
+namespace Twitch {
+
+struct ModpackAuthor {
+    QString name;
+    QString url;
+};
+
+struct ModpackFile {
+    int addonId;
+    int fileId;
+    QString version;
+    QString mcVersion;
+    QString downloadUrl;
+};
+
+struct Modpack
+{
+    bool broken = true;
+    int addonId = 0;
+
+    QString name;
+    QString description;
+    QList<ModpackAuthor> authors;
+    QString mcVersion;
+    QString logoName;
+    QString logoUrl;
+    QString websiteUrl;
+
+    ModpackFile latestFile;
+};
+}
+
+Q_DECLARE_METATYPE(Twitch::Modpack)
diff --git a/application/pages/modplatform/twitch/TwitchModel.cpp b/application/pages/modplatform/twitch/TwitchModel.cpp
new file mode 100644
index 00000000..210341dc
--- /dev/null
+++ b/application/pages/modplatform/twitch/TwitchModel.cpp
@@ -0,0 +1,253 @@
+#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);
+}
+
+void ListModel::searchWithTerm(const QString& term)
+{
+    if(currentSearchTerm == term) {
+        return;
+    }
+    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=0&"
+        "pageSize=25&"
+        "searchFilter=%1&"
+        "sectionId=4471&"
+        "sort=0"
+    ).arg(term);
+    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 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) {
+            continue;
+        }
+        pack.name = project.value("name").toString();
+        pack.websiteUrl = project.value("websiteUrl").toString();
+        pack.description = project.value("summary").toString();
+        auto attachments = project.value("attachments").toArray();
+        for(auto attachmentIter: attachments) {
+            auto attachment = attachmentIter.toObject();
+            bool isDefault = attachment.value("isDefault").toBool(false);
+            if(!isDefault) {
+                continue;
+            }
+            pack.logoName = attachment.value("title").toString();
+            pack.logoUrl = attachment.value("thumbnailUrl").toString();
+        }
+        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) {
+            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) {
+            return;
+        }
+        pack.broken = false;
+        newList.append(pack);
+    }
+    beginResetModel();
+    newList.swap(modpacks);
+    endResetModel();
+}
+
+void Twitch::ListModel::searchRequestFailed(QString reason)
+{
+    jobPtr.reset();
+}
+
+}
diff --git a/application/pages/modplatform/twitch/TwitchModel.h b/application/pages/modplatform/twitch/TwitchModel.h
new file mode 100644
index 00000000..1241a079
--- /dev/null
+++ b/application/pages/modplatform/twitch/TwitchModel.h
@@ -0,0 +1,65 @@
+#pragma once
+
+#include <modplatform/legacy_ftb/PackHelpers.h>
+#include <RWStorage.h>
+
+#include <QAbstractListModel>
+#include <QSortFilterProxyModel>
+#include <QThreadPool>
+#include <QIcon>
+#include <QStyledItemDelegate>
+#include <QList>
+#include <QString>
+#include <QStringList>
+#include <QMetaType>
+
+#include <functional>
+#include <net/NetJob.h>
+
+#include "TwitchData.h"
+
+namespace Twitch {
+
+
+typedef QMap<QString, QIcon> LogoMap;
+typedef std::function<void(QString)> LogoCallback;
+
+class ListModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    ListModel(QObject *parent);
+    virtual ~ListModel();
+
+    int rowCount(const QModelIndex &parent) const override;
+    int columnCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+
+    void getLogo(const QString &logo, const QString &logoUrl, LogoCallback callback);
+    void searchWithTerm(const QString & term);
+
+private slots:
+    void logoFailed(QString logo);
+    void logoLoaded(QString logo, QIcon out);
+
+    void searchRequestFinished();
+    void searchRequestFailed(QString reason);
+
+private:
+    void requestLogo(QString file, QString url);
+
+private:
+    QList<Modpack> modpacks;
+    QStringList m_failedLogos;
+    QStringList m_loadingLogos;
+    LogoMap m_logoMap;
+    QMap<QString, LogoCallback> waitingCallbacks;
+
+    QString currentSearchTerm;
+    NetJobPtr jobPtr;
+    QByteArray response;
+};
+
+}
diff --git a/application/pages/modplatform/twitch/TwitchPage.cpp b/application/pages/modplatform/twitch/TwitchPage.cpp
new file mode 100644
index 00000000..80d83133
--- /dev/null
+++ b/application/pages/modplatform/twitch/TwitchPage.cpp
@@ -0,0 +1,86 @@
+#include "TwitchPage.h"
+#include "ui_TwitchPage.h"
+
+#include "MultiMC.h"
+#include "dialogs/NewInstanceDialog.h"
+#include <InstanceImportTask.h>
+#include "TwitchModel.h"
+#include <QKeyEvent>
+
+TwitchPage::TwitchPage(NewInstanceDialog* dialog, QWidget *parent)
+    : QWidget(parent), ui(new Ui::TwitchPage), dialog(dialog)
+{
+    ui->setupUi(this);
+    connect(ui->searchButton, &QPushButton::clicked, this, &TwitchPage::triggerSearch);
+    ui->searchEdit->installEventFilter(this);
+    model = new Twitch::ListModel(this);
+    ui->packView->setModel(model);
+    connect(ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &TwitchPage::onSelectionChanged);
+}
+
+TwitchPage::~TwitchPage()
+{
+    delete ui;
+}
+
+bool TwitchPage::eventFilter(QObject* watched, QEvent* event)
+{
+    if (watched == ui->searchEdit && event->type() == QEvent::KeyPress) {
+        QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
+        if (keyEvent->key() == Qt::Key_Return) {
+            triggerSearch();
+            keyEvent->accept();
+            return true;
+        }
+    }
+    return QWidget::eventFilter(watched, event);
+}
+
+bool TwitchPage::shouldDisplay() const
+{
+    return true;
+}
+
+void TwitchPage::openedImpl()
+{
+    suggestCurrent();
+}
+
+void TwitchPage::triggerSearch()
+{
+    model->searchWithTerm(ui->searchEdit->text());
+}
+
+void TwitchPage::onSelectionChanged(QModelIndex first, QModelIndex second)
+{
+    if(!first.isValid())
+    {
+        if(isOpened)
+        {
+            dialog->setSuggestedPack();
+        }
+        return;
+    }
+    current = model->data(first, Qt::UserRole).value<Twitch::Modpack>();
+    suggestCurrent();
+}
+
+void TwitchPage::suggestCurrent()
+{
+    if(!isOpened)
+    {
+        return;
+    }
+    if(current.broken)
+    {
+        dialog->setSuggestedPack();
+    }
+
+    dialog->setSuggestedPack(current.name, new InstanceImportTask(current.latestFile.downloadUrl));
+    QString editedLogoName;
+    editedLogoName = "twitch_" + current.logoName.section(".", 0, 0);
+    model->getLogo(current.logoName, current.logoUrl, [this, editedLogoName](QString logo)
+    {
+        dialog->setSuggestedIconFromFile(logo, editedLogoName);
+    });
+}
diff --git a/application/pages/modplatform/twitch/TwitchPage.h b/application/pages/modplatform/twitch/TwitchPage.h
new file mode 100644
index 00000000..04e3a1c6
--- /dev/null
+++ b/application/pages/modplatform/twitch/TwitchPage.h
@@ -0,0 +1,77 @@
+/* Copyright 2013-2019 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QWidget>
+
+#include "pages/BasePage.h"
+#include <MultiMC.h>
+#include "tasks/Task.h"
+#include "TwitchData.h"
+
+namespace Ui
+{
+class TwitchPage;
+}
+
+class NewInstanceDialog;
+
+namespace Twitch {
+    class ListModel;
+}
+
+class TwitchPage : public QWidget, public BasePage
+{
+    Q_OBJECT
+
+public:
+    explicit TwitchPage(NewInstanceDialog* dialog, QWidget *parent = 0);
+    virtual ~TwitchPage();
+    virtual QString displayName() const override
+    {
+        return tr("Twitch");
+    }
+    virtual QIcon icon() const override
+    {
+        return MMC->getThemedIcon("twitch");
+    }
+    virtual QString id() const override
+    {
+        return "twitch";
+    }
+    virtual QString helpPage() const override
+    {
+        return "Twitch-platform";
+    }
+    virtual bool shouldDisplay() const override;
+
+    void openedImpl() override;
+
+    bool eventFilter(QObject * watched, QEvent * event) override;
+
+private:
+    void suggestCurrent();
+
+private slots:
+    void triggerSearch();
+    void onSelectionChanged(QModelIndex first, QModelIndex second);
+
+private:
+    Ui::TwitchPage *ui = nullptr;
+    NewInstanceDialog* dialog = nullptr;
+    Twitch::ListModel* model = nullptr;
+    Twitch::Modpack current;
+};
diff --git a/application/pages/modplatform/twitch/TwitchPage.ui b/application/pages/modplatform/twitch/TwitchPage.ui
new file mode 100644
index 00000000..7a8203b1
--- /dev/null
+++ b/application/pages/modplatform/twitch/TwitchPage.ui
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>TwitchPage</class>
+ <widget class="QWidget" name="TwitchPage">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>875</width>
+    <height>745</height>
+   </rect>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QLineEdit" name="searchEdit"/>
+   </item>
+   <item row="0" column="1">
+    <widget class="QPushButton" name="searchButton">
+     <property name="text">
+      <string>Search</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0" colspan="2">
+    <widget class="QTreeView" name="packView">
+     <property name="horizontalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOff</enum>
+     </property>
+     <property name="alternatingRowColors">
+      <bool>true</bool>
+     </property>
+     <property name="iconSize">
+      <size>
+       <width>48</width>
+       <height>48</height>
+      </size>
+     </property>
+     <property name="rootIsDecorated">
+      <bool>false</bool>
+     </property>
+     <property name="uniformRowHeights">
+      <bool>true</bool>
+     </property>
+     <property name="itemsExpandable">
+      <bool>false</bool>
+     </property>
+     <property name="allColumnsShowFocus">
+      <bool>true</bool>
+     </property>
+     <attribute name="headerVisible">
+      <bool>false</bool>
+     </attribute>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>searchEdit</tabstop>
+  <tabstop>searchButton</tabstop>
+  <tabstop>packView</tabstop>
+ </tabstops>
+ <connections/>
+</ui>