1 files changed, 94 insertions, 0 deletions
diff --git a/libs/installer_fomod_plus/installer/lib/FileInstaller.h b/libs/installer_fomod_plus/installer/lib/FileInstaller.h
new file mode 100644
index 0000000..1c122a7
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/FileInstaller.h
@@ -0,0 +1,94 @@
+#pragma once
+
+#include <ifiletree.h>
+#include <nlohmann/json.hpp>
+
+#include "ConditionTester.h"
+#include "FlagMap.h"
+#include "Logger.h"
+#include "xml/ModuleConfiguration.h"
+
+
+/* This is what legacy fomodInstaller does:
+        modName.update(dialog.getName(), GUESS_USER);
+        return dialog.updateTree(tree);
+
+   This is a link to the legacy updateTree method:
+    https://github.com/ModOrganizer2/modorganizer-installer_fomod/blob/fc263f2d923c704b4853c11ed4f8b8cf3920f30d/src/fomodinstallerdialog.cpp#L546
+
+*/
+
+// Things this should do:
+// - Copy all requiredInstall files
+// - Copy all conditionalInstall files
+// - Copy all selected files from steps that were visible to the user at the point of install
+
+using namespace MOBase;
+
+using FileGlobalIndex = int;
+using FileDescriptor = std::pair<File, FileGlobalIndex>;
+
+class StepViewModel;
+
+class FileInstaller {
+public:
+    FileInstaller(
+        IOrganizer* organizer,
+        QString fomodPath,
+        const std::shared_ptr<IFileTree>& fileTree,
+        std::unique_ptr<ModuleConfiguration> fomodFile,
+        const std::shared_ptr<FlagMap>& flagMap,
+        const std::vector<std::shared_ptr<StepViewModel> >& steps);
+
+    std::shared_ptr<IFileTree> install() const;
+
+    /**
+     * @brief Create a 'fomod.json' file to add to the base of the installTree. Functionally similar to MO2's meta.ini.
+     *
+     * Until there's more utility in the JSON structure itself, it will simply be of this format:
+     * @code
+     * {
+     *  "steps": [
+     *    {
+     *      "name": "Step 1",
+     *      "groups": [
+     *        {
+     *          "name": "Group 1",
+     *          "plugins: [
+     *            "Plugin1.esp",
+     *            "Plugin2.esp"
+     *          ]
+     *        }
+     *      ]
+     *    }
+     *  ]
+     * }
+     * @endcode
+     *
+     * @return nhlohmann::json
+     */
+    nlohmann::json generateFomodJson() const;
+
+    std::string getQualifiedFilePath(const std::string& treePath) const;
+
+    std::vector<std::string> collectPositiveFileNamesFromDependencyPatterns(const std::vector<DependencyPattern> &patterns);
+
+    void addFiles(std::vector<File>& main, std::vector<File> toAdd) const;
+
+private:
+    IOrganizer* mOrganizer;
+    Logger& log = Logger::getInstance();
+    QString mFomodPath;
+    std::shared_ptr<IFileTree> mFileTree;
+    std::unique_ptr<ModuleConfiguration> mFomodFile;
+    std::shared_ptr<FlagMap> mFlagMap;
+    ConditionTester mConditionTester;
+    std::vector<std::shared_ptr<StepViewModel> > mSteps; // TODO: Maybe this is nasty. Idk.
+
+    std::vector<File> collectFilesToInstall() const;
+
+    void logMessage(LogLevel level, const std::string& message) const
+    {
+        log.logMessage(level, "[INSTALLER] " + message);
+    }
+};