Added task to load dependencies

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

7 files changed, 254 insertions, 74 deletions

diff --git a/launcher/minecraft/mod/MetadataHandler.h b/launcher/minecraft/mod/MetadataHandler.h
index 39723b49..f7f08a79 100644
--- a/launcher/minecraft/mod/MetadataHandler.h
+++ b/launcher/minecraft/mod/MetadataHandler.h
@@ -1,20 +1,20 @@
 // 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/>.
-*/
+ *  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
 
@@ -42,28 +42,15 @@ class Metadata {
         return Packwiz::V1::createModFormat(index_dir, internal_mod, mod_slug);
     }
 
-    static void update(QDir& index_dir, ModStruct& mod)
-    {
-        Packwiz::V1::updateModIndex(index_dir, mod);
-    }
+    static void update(QDir& index_dir, ModStruct& mod) { Packwiz::V1::updateModIndex(index_dir, mod); }
 
-    static void remove(QDir& index_dir, QString mod_slug)
-    {
-        Packwiz::V1::deleteModIndex(index_dir, mod_slug);
-    }
+    static void remove(QDir& index_dir, QString mod_slug) { Packwiz::V1::deleteModIndex(index_dir, mod_slug); }
 
-    static void remove(QDir& index_dir, QVariant& mod_id)
-    {
-        Packwiz::V1::deleteModIndex(index_dir, mod_id);
-    }
+    static void remove(QDir& index_dir, QVariant& mod_id) { Packwiz::V1::deleteModIndex(index_dir, mod_id); }
 
-    static auto get(QDir& index_dir, QString mod_slug) -> ModStruct
-    {
-        return Packwiz::V1::getIndexForMod(index_dir, mod_slug);
-    }
+    static auto get(QDir& index_dir, QString mod_slug) -> ModStruct { return Packwiz::V1::getIndexForMod(index_dir, mod_slug); }
 
-    static auto get(QDir& index_dir, QVariant& mod_id) -> ModStruct
-    {
-        return Packwiz::V1::getIndexForMod(index_dir, mod_id);
-    }
+    static auto get(QDir& index_dir, QVariant& mod_id) -> ModStruct { return Packwiz::V1::getIndexForMod(index_dir, mod_id); }
+
+    static auto getAll(QDir& index_dir) -> QList<ModStruct> { return Packwiz::V1::getAllMods(index_dir); }
 };
diff --git a/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp b/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
new file mode 100644
index 00000000..dcff1028
--- /dev/null
+++ b/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *
+ *  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/>.
+ */
+
+#include "GetModDependenciesTask.h"
+
+#include "QObjectPtr.h"
+#include "minecraft/mod/MetadataHandler.h"
+#include "minecraft/mod/tasks/LocalModGetAllTask.h"
+#include "modplatform/ModIndex.h"
+#include "tasks/ConcurrentTask.h"
+#include "tasks/SequentialTask.h"
+
+#ifdef Q_OS_WIN32
+#include <windows.h>
+#endif
+
+GetModDependenciesTask::GetModDependenciesTask(QDir index_dir, QList<ModPlatform::IndexedVersion> selected, NewDependecyVersionAPITask& api)
+    : m_selected(selected), m_getDependenciesVersionAPI(api)
+{
+    m_getAllMods = makeShared<LocalModGetAllTask>(index_dir);
+    m_getNetworkDep = makeShared<SequentialTask>(this, "GetDepInfo");
+    QObject::connect(m_getAllMods.get(), &LocalModGetAllTask::getAllMod, [this](QList<Metadata::ModStruct> mods) {
+        m_mods = mods;
+        prepareDependecies();
+    });
+
+#ifdef Q_OS_WIN32
+    SetFileAttributesW(index_dir.path().toStdWString().c_str(), FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_NOT_CONTENT_INDEXED);
+#endif
+}
+
+void GetModDependenciesTask::executeTask()
+{
+    setStatus(tr("Geting all mods"));
+    m_getAllMods->start();
+}
+
+auto GetModDependenciesTask::abort() -> bool
+{
+    emitAborted();
+    return true;
+}
+
+void GetModDependenciesTask::prepareDependecies()
+{
+    auto c_dependencies = getDependenciesForVersions(m_selected);
+    if (c_dependencies.length() == 0) {
+        emitSucceeded();
+        return;
+    }
+    for (auto dep : c_dependencies) {
+        auto task = m_getDependenciesVersionAPI(
+            dep, 20, [this](QList<ModPlatform::IndexedVersion> new_versions, int level) { addDependecies(new_versions, level - 1); });
+        m_getNetworkDep->addTask(task);
+    }
+    m_getNetworkDep->start();
+}
+
+void GetModDependenciesTask::addDependecies(QList<ModPlatform::IndexedVersion> new_versions, int level)
+{
+    // some mutex?
+    m_dependencies.append(new_versions);
+    auto c_dependencies = getDependenciesForVersions(m_selected);
+    if (c_dependencies.length() == 0) {
+        return;
+    }
+    if (level == 0) {
+        qWarning() << "Dependency cycle exeeded";
+    }
+    for (auto dep : c_dependencies) {
+        auto task = m_getDependenciesVersionAPI(
+            dep, 20, [this](QList<ModPlatform::IndexedVersion> new_versions, int level) { addDependecies(new_versions, level - 1); });
+        m_getNetworkDep->addTask(task);
+    }
+};
+
+QList<ModPlatform::Dependency> GetModDependenciesTask::getDependenciesForVersions(QList<ModPlatform::IndexedVersion> selected)
+{
+    auto c_dependencies = QList<ModPlatform::Dependency>();
+    for (auto version : selected) {
+        for (auto ver_dep : version.dependencies) {
+            if (ver_dep.type == ModPlatform::DependencyType::REQUIRED) {
+                if (auto dep = std::find_if(c_dependencies.begin(), c_dependencies.end(),
+                                            [ver_dep](auto i) { return i.addonId == ver_dep.addonId; });
+                    dep == c_dependencies.end()) {  // check the current dependency list
+                    c_dependencies.append(ver_dep);
+                } else if (auto dep =
+                               std::find_if(selected.begin(), selected.end(), [ver_dep](auto i) { return i.addonId == ver_dep.addonId; });
+                           dep == selected.end()) {  // check the selected versions
+                    c_dependencies.append(ver_dep);
+                } else if (auto dep =
+                               std::find_if(m_mods.begin(), m_mods.end(), [ver_dep](auto i) { return i.mod_id() == ver_dep.addonId; });
+                           dep == m_mods.end()) {  // check the existing mods
+                    c_dependencies.append(ver_dep);
+                }
+            }
+        }
+    }
+    return c_dependencies;
+};
diff --git a/launcher/minecraft/mod/tasks/GetModDependenciesTask.h b/launcher/minecraft/mod/tasks/GetModDependenciesTask.h
new file mode 100644
index 00000000..28112bba
--- /dev/null
+++ b/launcher/minecraft/mod/tasks/GetModDependenciesTask.h
@@ -0,0 +1,63 @@
+// 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 <QDir>
+#include <functional>
+
+#include "minecraft/mod/MetadataHandler.h"
+#include "minecraft/mod/tasks/LocalModGetAllTask.h"
+#include "modplatform/ModIndex.h"
+#include "tasks/SequentialTask.h"
+#include "tasks/Task.h"
+
+class GetModDependenciesTask : public Task {
+    Q_OBJECT
+   public:
+    using Ptr = shared_qobject_ptr<GetModDependenciesTask>;
+    using LocalModGetAllTaskPtr = shared_qobject_ptr<LocalModGetAllTask>;
+
+    using NewDependecyVersionAPITask =
+        std::function<Task::Ptr(ModPlatform::Dependency, int, std::function<void(QList<ModPlatform::IndexedVersion>, int)>)>;
+
+    explicit GetModDependenciesTask(QDir index_dir, QList<ModPlatform::IndexedVersion> selected, NewDependecyVersionAPITask& api);
+
+    auto canAbort() const -> bool override { return true; }
+    auto abort() -> bool override;
+
+   protected slots:
+    //! Entry point for tasks.
+    void executeTask() override;
+
+    void prepareDependecies();
+    void addDependecies(QList<ModPlatform::IndexedVersion>, int);
+    QList<ModPlatform::Dependency> getDependenciesForVersions(QList<ModPlatform::IndexedVersion>);
+
+   signals:
+    void getAllMod(QList<Metadata::ModStruct>);
+
+   private:
+    QList<ModPlatform::IndexedVersion> m_selected;
+    QList<ModPlatform::IndexedVersion> m_dependencies;
+    QList<Metadata::ModStruct> m_mods;
+
+    LocalModGetAllTaskPtr m_getAllMods = nullptr;
+    NewDependecyVersionAPITask m_getDependenciesVersionAPI;
+    SequentialTask::Ptr m_getNetworkDep;
+};
diff --git a/launcher/minecraft/mod/tasks/LocalModGetTask.cpp b/launcher/minecraft/mod/tasks/LocalModGetAllTask.cpp
index 9c056d02..9e4293ff 100644
--- a/launcher/minecraft/mod/tasks/LocalModGetTask.cpp
+++ b/launcher/minecraft/mod/tasks/LocalModGetAllTask.cpp
@@ -17,7 +17,7 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include "LocalModGetTask.h"
+#include "LocalModGetAllTask.h"
 
 #include "FileSystem.h"
 #include "minecraft/mod/MetadataHandler.h"
@@ -26,11 +26,11 @@
 #include <windows.h>
 #endif
 
-LocalModGetTask::LocalModGetTask(QDir index_dir, QVariant addonId) : m_index_dir(index_dir), m_addonId(addonId)
+LocalModGetAllTask::LocalModGetAllTask(QDir index_dir) : m_index_dir(index_dir)
 {
     // Ensure a '.index' folder exists in the mods folder, and create it if it does not
     if (!FS::ensureFolderPathExists(index_dir.path())) {
-        emitFailed(QString("Unable to create index for modId %1!").arg(m_addonId.toString()));
+        emitFailed(QString("Unable to create index for all mods!"));
     }
 
 #ifdef Q_OS_WIN32
@@ -38,13 +38,14 @@ LocalModGetTask::LocalModGetTask(QDir index_dir, QVariant addonId) : m_index_dir
 #endif
 }
 
-void LocalModGetTask::executeTask()
+void LocalModGetAllTask::executeTask()
 {
-    setStatus(tr("Updating index for modId:\n%1").arg(m_addonId.toString()));
-    emit getMod(Metadata::get(m_index_dir, m_addonId));
+    setStatus(tr("Geting all mods"));
+    emit getAllMod(Metadata::getAll(m_index_dir));
+    emitSucceeded();
 }
 
-auto LocalModGetTask::abort() -> bool
+auto LocalModGetAllTask::abort() -> bool
 {
     emitAborted();
     return true;
diff --git a/launcher/minecraft/mod/tasks/LocalModGetTask.h b/launcher/minecraft/mod/tasks/LocalModGetAllTask.h
index 5b741122..09e453e4 100644
--- a/launcher/minecraft/mod/tasks/LocalModGetTask.h
+++ b/launcher/minecraft/mod/tasks/LocalModGetAllTask.h
@@ -23,12 +23,12 @@
 #include "minecraft/mod/MetadataHandler.h"
 #include "tasks/Task.h"
 
-class LocalModGetTask : public Task {
+class LocalModGetAllTask : public Task {
     Q_OBJECT
    public:
-    using Ptr = shared_qobject_ptr<LocalModGetTask>;
+    using Ptr = shared_qobject_ptr<LocalModGetAllTask>;
 
-    explicit LocalModGetTask(QDir index_dir, QVariant addonId);
+    explicit LocalModGetAllTask(QDir index_dir);
 
     auto canAbort() const -> bool override { return true; }
     auto abort() -> bool override;
@@ -38,9 +38,8 @@ class LocalModGetTask : public Task {
     void executeTask() override;
 
    signals:
-    void getMod(Metadata::ModStruct);
+    void getAllMod(QList<Metadata::ModStruct>);
 
    private:
     QDir m_index_dir;
-    QVariant m_addonId;
 };
diff --git a/launcher/modplatform/packwiz/Packwiz.cpp b/launcher/modplatform/packwiz/Packwiz.cpp
index 510c7309..a2598b97 100644
--- a/launcher/modplatform/packwiz/Packwiz.cpp
+++ b/launcher/modplatform/packwiz/Packwiz.cpp
@@ -21,6 +21,8 @@
 #include <QDebug>
 #include <QDir>
 #include <QObject>
+#include <algorithm>
+#include <iterator>
 
 #include "FileSystem.h"
 #include "StringUtils.h"
@@ -311,4 +313,13 @@ auto V1::getIndexForMod(QDir& index_dir, QVariant& mod_id) -> Mod
     return {};
 }
 
+auto V1::getAllMods(QDir& index_dir) -> QList<Mod>
+{
+    auto files = index_dir.entryList(QDir::Filter::Files);
+    auto mods = QList<Mod>();
+    std::transform(files.begin(), files.end(), std::back_inserter(mods),
+                   [index_dir](auto file_name) { return getIndexForMod(index_dir, file_name); });
+    return mods;
+}
+
 }  // namespace Packwiz
diff --git a/launcher/modplatform/packwiz/Packwiz.h b/launcher/modplatform/packwiz/Packwiz.h
index 4b096eec..2801f5d0 100644
--- a/launcher/modplatform/packwiz/Packwiz.h
+++ b/launcher/modplatform/packwiz/Packwiz.h
@@ -1,20 +1,20 @@
 // 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/>.
-*/
+ *  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
 
@@ -36,22 +36,22 @@ auto getRealIndexName(QDir& index_dir, QString normalized_index_name, bool shoul
 class V1 {
    public:
     struct Mod {
-        QString slug {};
-        QString name {};
-        QString filename {};
+        QString slug{};
+        QString name{};
+        QString filename{};
         // FIXME: make side an enum
-        QString side {"both"};
+        QString side{ "both" };
 
         // [download]
-        QString mode {};
-        QUrl url {};
-        QString hash_format {};
-        QString hash {};
+        QString mode{};
+        QUrl url{};
+        QString hash_format{};
+        QString hash{};
 
         // [update]
-        ModPlatform::ResourceProvider provider {};
-        QVariant file_id {};
-        QVariant project_id {};
+        ModPlatform::ResourceProvider provider{};
+        QVariant file_id{};
+        QVariant project_id{};
 
        public:
         // This is a totally heuristic, but should work for now.
@@ -93,6 +93,9 @@ class V1 {
      * If the mod doesn't have a metadata, it simply returns an empty Mod object.
      * */
     static auto getIndexForMod(QDir& index_dir, QVariant& mod_id) -> Mod;
+
+    /* Gets the metadata for all the mods */
+    static auto getAllMods(QDir& index_dir) -> QList<Mod>;
 };
 
-} // namespace Packwiz
+}  // namespace Packwiz