1 files changed, 93 insertions, 0 deletions
diff --git a/launcher/modplatform/packwiz/Packwiz.h b/launcher/modplatform/packwiz/Packwiz.h
new file mode 100644
index 00000000..3c99769c
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+++ b/launcher/modplatform/packwiz/Packwiz.h
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+*  PolyMC - Minecraft Launcher
+*  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+*
+*  This program is free software: you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation, version 3.
+*
+*  This program is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU General Public License for more details.
+*
+*  You should have received a copy of the GNU General Public License
+*  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "modplatform/ModIndex.h"
+
+#include <QString>
+#include <QUrl>
+#include <QVariant>
+
+struct toml_table_t;
+class QDir;
+
+// Mod from launcher/minecraft/mod/Mod.h
+class Mod;
+
+namespace Packwiz {
+
+auto getRealIndexName(QDir& index_dir, QString normalized_index_name, bool should_match = false) -> QString;
+
+auto stringEntry(toml_table_t* parent, const char* entry_name) -> QString;
+auto intEntry(toml_table_t* parent, const char* entry_name) -> int;
+
+class V1 {
+   public:
+    struct Mod {
+        QString name {};
+        QString filename {};
+        // FIXME: make side an enum
+        QString side {"both"};
+
+        // [download]
+        QString mode {};
+        QUrl url {};
+        QString hash_format {};
+        QString hash {};
+
+        // [update]
+        ModPlatform::Provider provider {};
+        QVariant file_id {};
+        QVariant project_id {};
+
+       public:
+        // This is a totally heuristic, but should work for now.
+        auto isValid() const -> bool { return !name.isEmpty() && !project_id.isNull(); }
+
+        // Different providers can use different names for the same thing
+        // Modrinth-specific
+        auto mod_id() -> QVariant& { return project_id; }
+        auto version() -> QVariant& { return file_id; }
+    };
+
+    /* Generates the object representing the information in a mod.pw.toml file via
+     * its common representation in the launcher, when downloading mods.
+     * */
+    static auto createModFormat(QDir& index_dir, ModPlatform::IndexedPack& mod_pack, ModPlatform::IndexedVersion& mod_version) -> Mod;
+    /* Generates the object representing the information in a mod.pw.toml file via
+     * its common representation in the launcher.
+     * */
+    static auto createModFormat(QDir& index_dir, ::Mod& internal_mod) -> Mod;
+
+    /* Updates the mod index for the provided mod.
+     * This creates a new index if one does not exist already
+     * TODO: Ask the user if they want to override, and delete the old mod's files, or keep the old one.
+     * */
+    static void updateModIndex(QDir& index_dir, Mod& mod);
+
+    /* Deletes the metadata for the mod with the given name. If the metadata doesn't exist, it does nothing. */
+    static void deleteModIndex(QDir& index_dir, QString& mod_name);
+
+    /* Gets the metadata for a mod with a particular name.
+     * If the mod doesn't have a metadata, it simply returns an empty Mod object.
+     * */
+    static auto getIndexForMod(QDir& index_dir, QString& index_file_name) -> Mod;
+};
+
+} // namespace Packwiz