Prompt for updates before actually downloading them

This is to prevent "surprise" situations, such as:
* You have a limited internet connection, and the game updates out of
the blue.
* Your installation is invalid, and Astra decides to suddenly redownload
the entire game.

launcher/include/launchercore.h

@@ -163,6 +163,8 @@ Q_SIGNALS:
     void autoLoginProfileChanged();
     void cachedLogoImageChanged();
     void showWindow();
+    void requiresUpdate(QString message);
+    void updateDecided(bool allowUpdate);
 
 protected:
     friend class Patcher;

launcher/src/squareenixlogin.cpp

@@ -3,8 +3,10 @@
 
 #include "squareenixlogin.h"
 
+#include <KFormat>
 #include <KLocalizedString>
 #include <KSandbox>
+#include <QCoroSignal>
 #include <QDesktopServices>
 #include <QFile>
 #include <QNetworkReply>
@@ -187,15 +189,27 @@ QCoro::Task<bool> SquareEnixLogin::checkBootUpdates()
         if (!patchList.isEmpty()) {
             qDebug(ASTRA_LOG) << "Boot patch list:" << patchList;
 
+            const std::string patchListStd = patchList.toStdString();
+            const auto parsedPatchList = physis_parse_patchlist(PatchListType::Boot, patchListStd.c_str());
+
             if (!m_info->profile->config()->allowPatching()) {
                 Q_EMIT m_launcher.loginError(
                     i18n("You require an update to play, but you have the “Allow Updates” option checked - so the login was canceled."));
                 co_return false;
             }
 
+            const qint64 neededSpace = parsedPatchList.patch_length;
+            KFormat format;
+            QString neededSpaceStr = format.formatByteSize(neededSpace);
+            Q_EMIT m_launcher.requiresUpdate(
+                i18n("The boot components require an update, which will download %1 of data. Do you still want to continue?", neededSpaceStr));
+            const bool wantsToUpdate = co_await qCoro(&m_launcher, &LauncherCore::updateDecided);
+            if (!wantsToUpdate) {
+                co_return false;
+            }
+
             m_patcher = new Patcher(m_launcher, m_info->profile->config()->gamePath() + QStringLiteral("/boot"), *m_info->profile->bootData(), this);
-            const std::string patchListStd = patchList.toStdString();
+            const bool hasPatched = co_await m_patcher->patch(parsedPatchList);
-            const bool hasPatched = co_await m_patcher->patch(physis_parse_patchlist(PatchListType::Boot, patchListStd.c_str()));
             if (hasPatched) {
                 // update game version information
                 m_info->profile->readGameVersion();
@@ -394,9 +408,21 @@ QCoro::Task<bool> SquareEnixLogin::registerSession()
                     co_return false;
                 }
 
-                m_patcher = new Patcher(m_launcher, m_info->profile->config()->gamePath() + QStringLiteral("/game"), *m_info->profile->gameData(), this);
                 std::string bodyStd = body.toStdString();
-                const bool hasPatched = co_await m_patcher->patch(physis_parse_patchlist(PatchListType::Game, bodyStd.c_str()));
+                const auto parsedPatchList = physis_parse_patchlist(PatchListType::Game, bodyStd.c_str());
+
+                const qint64 neededSpace = parsedPatchList.patch_length;
+                KFormat format;
+                QString neededSpaceStr = format.formatByteSize(neededSpace);
+                Q_EMIT m_launcher.requiresUpdate(
+                    i18n("The game require an update, which will download %1 of data. Do you still want to continue?", neededSpaceStr));
+                const bool wantsToUpdate = co_await qCoro(&m_launcher, &LauncherCore::updateDecided);
+                if (!wantsToUpdate) {
+                    co_return false;
+                }
+
+                m_patcher = new Patcher(m_launcher, m_info->profile->config()->gamePath() + QStringLiteral("/game"), *m_info->profile->gameData(), this);
+                const bool hasPatched = co_await m_patcher->patch(parsedPatchList);
                 m_patcher->deleteLater();
                 if (!hasPatched) {
                     co_return false;

launcher/ui/Pages/StatusPage.qml

@@ -55,6 +55,16 @@ Kirigami.Page {
         onRejected: applicationWindow().checkSetup()
     }
 
+    Kirigami.PromptDialog {
+        id: updateRequiredDialog
+
+        showCloseButton: false
+        standardButtons: Kirigami.Dialog.Yes | Kirigami.Dialog.Cancel
+
+        onAccepted: LauncherCore.updateDecided(true)
+        onRejected: LauncherCore.updateDecided(false)
+    }
+
     Connections {
         target: LauncherCore
 
@@ -90,5 +100,11 @@ Kirigami.Page {
             dalamudErrorDialog.subtitle = i18n("An error occurred while updating Dalamud:\n\n%1.\n\nWould you like to disable Dalamud?", message);
             dalamudErrorDialog.open();
         }
+
+        function onRequiresUpdate(message: string): void {
+            updateDialog.title = i18n("Update Required");
+            updateDialog.subtitle = message;
+            updateDialog.open();
+        }
     }
 }