Added task to load dependencies

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

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;
+};