Start of mod downloading

launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp

@@ -0,0 +1,180 @@
+#include "ModrinthPage.h"
+#include "ui_ModrinthPage.h"
+
+#include <QKeyEvent>
+
+#include "Application.h"
+#include "Json.h"
+#include "ui/dialogs/ModDownloadDialog.h"
+#include "InstanceImportTask.h"
+#include "ModrinthModel.h"
+#include "ModDownloadTask.h"
+
+ModrinthPage::ModrinthPage(ModDownloadDialog* dialog, QWidget *parent)
+    : QWidget(parent), ui(new Ui::ModrinthPage), dialog(dialog)
+{
+    ui->setupUi(this);
+    connect(ui->searchButton, &QPushButton::clicked, this, &ModrinthPage::triggerSearch);
+    ui->searchEdit->installEventFilter(this);
+    listModel = new Modrinth::ListModel(this);
+    ui->packView->setModel(listModel);
+
+    ui->versionSelectionBox->view()->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+    ui->versionSelectionBox->view()->parentWidget()->setMaximumHeight(300);
+
+    // index is used to set the sorting with the modrinth api
+    ui->sortByBox->addItem(tr("Sort by Relevence"));
+    ui->sortByBox->addItem(tr("Sort by Downloads"));
+    ui->sortByBox->addItem(tr("Sort by last updated"));
+    ui->sortByBox->addItem(tr("Sort by newest"));
+
+    connect(ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &ModrinthPage::onSelectionChanged);
+    connect(ui->versionSelectionBox, &QComboBox::currentTextChanged, this, &ModrinthPage::onVersionSelectionChanged);
+}
+
+ModrinthPage::~ModrinthPage()
+{
+    delete ui;
+}
+
+bool ModrinthPage::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 ModrinthPage::shouldDisplay() const
+{
+    return true;
+}
+
+void ModrinthPage::openedImpl()
+{
+    suggestCurrent();
+    triggerSearch();
+}
+
+void ModrinthPage::triggerSearch()
+{
+    listModel->searchWithTerm(ui->searchEdit->text(), ui->sortByBox->currentIndex());
+}
+
+void ModrinthPage::onSelectionChanged(QModelIndex first, QModelIndex second)
+{
+    ui->versionSelectionBox->clear();
+
+    if(!first.isValid())
+    {
+        if(isOpened)
+        {
+            dialog->setSuggestedMod();
+        }
+        return;
+    }
+
+    current = listModel->data(first, Qt::UserRole).value<Modrinth::IndexedPack>();
+    QString text = "";
+    QString name = current.name;
+
+    if (current.websiteUrl.isEmpty())
+        text = name;
+    else
+        text = "<a href=\"" + current.websiteUrl + "\">" + name + "</a>";
+    if (!current.authors.empty()) {
+        auto authorToStr = [](Modrinth::ModpackAuthor & author) {
+            if(author.url.isEmpty()) {
+                return author.name;
+            }
+            return QString("<a href=\"%1\">%2</a>").arg(author.url, author.name);
+        };
+        QStringList authorStrs;
+        for(auto & author: current.authors) {
+            authorStrs.push_back(authorToStr(author));
+        }
+        text += "<br>" + tr(" by ") + authorStrs.join(", ");
+    }
+    text += "<br><br>";
+
+    ui->packDescription->setHtml(text + current.description);
+
+    if (!current.versionsLoaded)
+    {
+        qDebug() << "Loading Modrinth mod versions";
+        NetJob *netJob = new NetJob(QString("Modrinth::ModVersions(%1)").arg(current.name), APPLICATION->network());
+        std::shared_ptr<QByteArray> response = std::make_shared<QByteArray>();
+        QString addonId = current.addonId;
+        addonId.remove(0,6);
+        netJob->addNetAction(Net::Download::makeByteArray(QString("https://api.modrinth.com/api/v1/mod/%1/version").arg(addonId), response.get()));
+
+        QObject::connect(netJob, &NetJob::succeeded, this, [this, response]
+        {
+            QJsonParseError parse_error;
+            QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
+            if(parse_error.error != QJsonParseError::NoError) {
+                qWarning() << "Error while parsing JSON response from Modrinth at " << parse_error.offset << " reason: " << parse_error.errorString();
+                qWarning() << *response;
+                return;
+            }
+            QJsonArray arr = doc.array();
+            try
+            {
+                Modrinth::loadIndexedPackVersions(current, arr, APPLICATION->network());
+            }
+            catch(const JSONValidationError &e)
+            {
+                qDebug() << *response;
+                qWarning() << "Error while reading Modrinth mod version: " << e.cause();
+            }
+
+            for(auto version : current.versions) {
+                ui->versionSelectionBox->addItem(version.version, QVariant(version.downloadUrl));
+            }
+
+            suggestCurrent();
+        });
+        netJob->start();
+    }
+    else
+    {
+        for(auto version : current.versions) {
+            ui->versionSelectionBox->addItem(version.version, QVariant(version.downloadUrl));
+        }
+
+        suggestCurrent();
+    }
+}
+
+void ModrinthPage::suggestCurrent()
+{
+    if(!isOpened)
+    {
+        return;
+    }
+
+    if (selectedVersion.isEmpty())
+    {
+        dialog->setSuggestedMod();
+        return;
+    }
+
+    dialog->setSuggestedMod(current.name, new ModDownloadTask(selectedVersion));
+}
+
+void ModrinthPage::onVersionSelectionChanged(QString data)
+{
+    if(data.isNull() || data.isEmpty())
+    {
+        selectedVersion = "";
+        return;
+    }
+    selectedVersion = ui->versionSelectionBox->currentData().toString();
+    suggestCurrent();
+}