1 files changed, 56 insertions, 4 deletions

diff --git a/launcher/ui/dialogs/ResourceDownloadDialog.cpp b/launcher/ui/dialogs/ResourceDownloadDialog.cpp
index 562dda33..9c28acd9 100644
--- a/launcher/ui/dialogs/ResourceDownloadDialog.cpp
+++ b/launcher/ui/dialogs/ResourceDownloadDialog.cpp
@@ -18,8 +18,12 @@
  */
 
 #include "ResourceDownloadDialog.h"
+#include <QEventLoop>
+#include <QList>
 
 #include <QPushButton>
+#include <algorithm>
+#include <memory>
 
 #include "Application.h"
 #include "ResourceDownloadTask.h"
@@ -29,6 +33,10 @@
 #include "minecraft/mod/ShaderPackFolderModel.h"
 #include "minecraft/mod/TexturePackFolderModel.h"
 
+#include "minecraft/mod/tasks/GetModDependenciesTask.h"
+#include "modplatform/ModIndex.h"
+#include "ui/dialogs/CustomMessageBox.h"
+#include "ui/dialogs/ProgressDialog.h"
 #include "ui/dialogs/ReviewMessageBox.h"
 
 #include "ui/pages/modplatform/ResourcePage.h"
@@ -116,17 +124,46 @@ void ResourceDownloadDialog::connectButtons()
     connect(HelpButton, &QPushButton::clicked, m_container, &PageContainer::help);
 }
 
+static ModPlatform::ProviderCapabilities ProviderCaps;
+
 void ResourceDownloadDialog::confirm()
 {
-    auto keys = m_selected.keys();
-    keys.sort(Qt::CaseInsensitive);
-
     auto confirm_dialog = ReviewMessageBox::create(this, tr("Confirm %1 to download").arg(resourcesString()));
     confirm_dialog->retranslateUi(resourcesString());
 
+    if (auto task = getModDependenciesTask(); task) {
+        connect(task.get(), &Task::failed, this,
+                [&](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
+
+        connect(task.get(), &Task::succeeded, this, [&]() {
+            QStringList warnings = task->warnings();
+            if (warnings.count()) {
+                CustomMessageBox::selectable(this, tr("Warnings"), warnings.join('\n'), QMessageBox::Warning)->exec();
+            }
+        });
+
+        // Check for updates
+        ProgressDialog progress_dialog(this);
+        progress_dialog.setSkipButton(true, tr("Abort"));
+        progress_dialog.setWindowTitle(tr("Checking for dependencies..."));
+        auto ret = progress_dialog.execWithTask(task.get());
+
+        // If the dialog was skipped / some download error happened
+        if (ret == QDialog::DialogCode::Rejected) {
+            QMetaObject::invokeMethod(this, "reject", Qt::QueuedConnection);
+            return;
+        } else
+            for (auto dep : task->getDependecies()) {
+                addResource(dep->pack, dep->version, true);
+            }
+    }
+
+    auto keys = m_selected.keys();
+    keys.sort(Qt::CaseInsensitive);
     for (auto& task : keys) {
         auto selected = m_selected.constFind(task).value();
-        confirm_dialog->appendResource({ task, selected->getFilename(), selected->getCustomPath() });
+        confirm_dialog->appendResource(
+            { task, selected->getFilename(), selected->getCustomPath(), ProviderCaps.name(selected->getProvider()) });
     }
 
     if (confirm_dialog->exec()) {
@@ -220,6 +257,21 @@ QList<BasePage*> ModDownloadDialog::getPages()
     return pages;
 }
 
+GetModDependenciesTask::Ptr ModDownloadDialog::getModDependenciesTask()
+{
+    if (auto model = dynamic_cast<ModFolderModel*>(getBaseModel().get()); model) {
+        auto keys = m_selected.keys();
+        QList<std::shared_ptr<GetModDependenciesTask::PackDependecny>> selectedVers;
+        for (auto& task : keys) {
+            auto selected = m_selected.constFind(task).value();
+            selectedVers.append(std::make_shared<GetModDependenciesTask::PackDependecny>(selected->getPack(), selected->getVersion()));
+        }
+
+        return makeShared<GetModDependenciesTask>(this, m_instance, model, selectedVers);
+    }
+    return nullptr;
+};
+
 ResourcePackDownloadDialog::ResourcePackDownloadDialog(QWidget* parent,
                                                        const std::shared_ptr<ResourcePackFolderModel>& resource_packs,
                                                        BaseInstance* instance)