Merge pull request #538 from flowln/fix_some_cf_imports

A couple fixes for CF instance imports

launcher/InstanceCreationTask.cpp

@@ -25,9 +25,13 @@ void InstanceCreationTask::executeTask()
             return;
 
         qWarning() << "Instance creation failed!";
-        if (!m_error_message.isEmpty())
+        if (!m_error_message.isEmpty()) {
             qWarning() << "Reason: " << m_error_message;
+            emitFailed(tr("Error while creating new instance:\n%1").arg(m_error_message));
+        } else {
             emitFailed(tr("Error while creating new instance."));
+        }
+
         return;
     }
 

launcher/InstanceImportTask.cpp

@@ -164,18 +164,14 @@ void InstanceImportTask::processZipPack()
     }
     else
     {
-        QString mmcRoot = MMCZip::findFolderOfFileInZip(m_packZip.get(), "instance.cfg");
-        QString flameRoot = MMCZip::findFolderOfFileInZip(m_packZip.get(), "manifest.json");
+        QStringList paths_to_ignore { "overrides/" };
 
-        if (!mmcRoot.isNull())
-        {
+        if (QString mmcRoot = MMCZip::findFolderOfFileInZip(m_packZip.get(), "instance.cfg", paths_to_ignore); !mmcRoot.isNull()) {
             // process as MultiMC instance/pack
             qDebug() << "MultiMC:" << mmcRoot;
             root = mmcRoot;
             m_modpackType = ModpackType::MultiMC;
-        }
-        else if(!flameRoot.isNull())
-        {
+        } else if (QString flameRoot = MMCZip::findFolderOfFileInZip(m_packZip.get(), "manifest.json", paths_to_ignore); !flameRoot.isNull()) {
             // process as Flame pack
             qDebug() << "Flame:" << flameRoot;
             root = flameRoot;

launcher/MMCZip.cpp

@@ -39,6 +39,7 @@
 #include "MMCZip.h"
 #include "FileSystem.h"
 
+#include <QCoreApplication>
 #include <QDebug>
 
 // ours
@@ -228,23 +229,27 @@ bool MMCZip::createModdedJar(QString sourceJarPath, QString targetJarPath, const
 }
 
 // ours
-QString MMCZip::findFolderOfFileInZip(QuaZip * zip, const QString & what, const QString &root)
+QString MMCZip::findFolderOfFileInZip(QuaZip* zip, const QString& what, const QStringList& ignore_paths, const QString& root)
 {
     QuaZipDir rootDir(zip, root);
-    for(auto fileName: rootDir.entryList(QDir::Files))
-    {
-        if(fileName == what)
+    for (auto&& fileName : rootDir.entryList(QDir::Files)) {
+        if (fileName == what)
             return root;
+
+        QCoreApplication::processEvents();
     }
-    for(auto fileName: rootDir.entryList(QDir::Dirs))
-    {
-        QString result = findFolderOfFileInZip(zip, what, root + fileName);
-        if(!result.isEmpty())
-        {
+
+    // Recurse the search to non-ignored subfolders
+    for (auto&& fileName : rootDir.entryList(QDir::Dirs)) {
+        if (ignore_paths.contains(fileName))
+            continue;
+
+        QString result = findFolderOfFileInZip(zip, what, ignore_paths, root + fileName);
+        if (!result.isEmpty())
             return result;
     }
-    }
-    return QString();
+
+    return {};
 }
 
 // ours

launcher/MMCZip.h

@@ -80,9 +80,11 @@ namespace MMCZip
     /**
      * Find a single file in archive by file name (not path)
      *
+     * \param ignore_paths paths to skip when recursing the search
+     *
      * \return the path prefix where the file is
      */
-    QString findFolderOfFileInZip(QuaZip * zip, const QString & what, const QString &root = QString(""));
+    QString findFolderOfFileInZip(QuaZip * zip, const QString & what, const QStringList& ignore_paths = {}, const QString &root = QString(""));
 
     /**
      * Find a multiple files of the same name in archive by file name

launcher/modplatform/flame/FileResolvingTask.cpp

@@ -42,12 +42,25 @@ void Flame::FileResolvingTask::executeTask()
 void Flame::FileResolvingTask::netJobFinished()
 {
     setProgress(1, 3);
-    int index = 0;
     // job to check modrinth for blocked projects
     m_checkJob = new NetJob("Modrinth check", m_network);
     blockedProjects = QMap<File *,QByteArray *>();
-    auto doc = Json::requireDocument(*result);
-    auto array = Json::requireArray(doc.object()["data"]);
+
+    QJsonDocument doc;
+    QJsonArray array;
+
+    try {
+        doc = Json::requireDocument(*result);
+        array = Json::requireArray(doc.object()["data"]);
+    } catch (Json::JsonException& e) {
+        qCritical() << "Non-JSON data returned from the CF API";
+        qCritical() << e.cause();
+
+        emitFailed(tr("Invalid data returned from the API."));
+
+        return;
+    }
+
     for (QJsonValueRef file : array) {
         auto fileid = Json::requireInteger(Json::requireObject(file)["id"]);
         auto& out = m_toProcess.files[fileid];
@@ -68,7 +81,6 @@ void Flame::FileResolvingTask::netJobFinished()
                 blockedProjects.insert(&out, output);
             }
         }
-        index++;
     }
     connect(m_checkJob.get(), &NetJob::finished, this, &Flame::FileResolvingTask::modrinthCheckFinished);
 

launcher/modplatform/flame/FlameInstanceCreationTask.cpp

@@ -338,6 +338,7 @@ bool FlameCreationTask::createInstance()
     connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::failed, [&](QString reason) {
         m_mod_id_resolver.reset();
         setError(tr("Unable to resolve mod IDs:\n") + reason);
+        loop.quit();
     });
     connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::progress, this, &FlameCreationTask::setProgress);
     connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::status, this, &FlameCreationTask::setStatus);