13 files changed, 256 insertions, 83 deletions

diff --git a/launcher/modplatform/ModIndex.h b/launcher/modplatform/ModIndex.h
index 40f1efc4..ffa3a3ab 100644
--- a/launcher/modplatform/ModIndex.h
+++ b/launcher/modplatform/ModIndex.h
@@ -32,6 +32,8 @@ enum class ResourceProvider { MODRINTH, FLAME };
 
 enum class ResourceType { MOD, RESOURCE_PACK, SHADER_PACK };
 
+enum class DependencyType { REQUIRED, OPTIONAL, INCOMPATIBLE, EMBEDDED, TOOL, INCLUDE };
+
 class ProviderCapabilities {
    public:
     auto name(ResourceProvider) -> const char*;
@@ -51,6 +53,12 @@ struct DonationData {
     QString url;
 };
 
+struct Dependency {
+    QVariant addonId;
+    DependencyType type;
+    QString version;
+};
+
 struct IndexedVersion {
     QVariant addonId;
     QVariant fileId;
@@ -65,6 +73,7 @@ struct IndexedVersion {
     QString hash;
     bool is_preferred = true;
     QString changelog;
+    QList<Dependency> dependencies;
 
     // For internal use, not provided by APIs
     bool is_currently_selected = false;
diff --git a/launcher/modplatform/ResourceAPI.h b/launcher/modplatform/ResourceAPI.h
index 34f33779..a8e144dc 100644
--- a/launcher/modplatform/ResourceAPI.h
+++ b/launcher/modplatform/ResourceAPI.h
@@ -111,6 +111,24 @@ class ResourceAPI {
         std::function<void(QJsonDocument&, ModPlatform::IndexedPack)> on_succeed;
     };
 
+    struct DependencySearchArgs {
+        ModPlatform::Dependency dependency;
+        Version mcVersion;
+        ModLoaderTypes loader;
+
+        DependencySearchArgs(DependencySearchArgs const&) = default;
+        void operator=(DependencySearchArgs other)
+        {
+            dependency = other.dependency;
+            mcVersion = other.mcVersion;
+            loader = other.loader;
+        }
+    };
+
+    struct DependencySearchCallbacks {
+        std::function<void(QJsonDocument&, ModPlatform::Dependency)> on_succeed;
+    };
+
    public:
     /** Gets a list of available sorting methods for this API. */
     [[nodiscard]] virtual auto getSortingMethods() const -> QList<SortingMethod> = 0;
@@ -143,6 +161,12 @@ class ResourceAPI {
         return nullptr;
     }
 
+    [[nodiscard]] virtual Task::Ptr getDependencyVersion(DependencySearchArgs&&, DependencySearchCallbacks&&) const
+    {
+        qWarning() << "TODO";
+        return nullptr;
+    }
+
     static auto getModLoaderString(ModLoaderType type) -> const QString
     {
         switch (type) {
diff --git a/launcher/modplatform/flame/FlameAPI.h b/launcher/modplatform/flame/FlameAPI.h
index 5811d717..91993e64 100644
--- a/launcher/modplatform/flame/FlameAPI.h
+++ b/launcher/modplatform/flame/FlameAPI.h
@@ -41,14 +41,15 @@ class FlameAPI : public NetworkResourceAPI {
             return 4;
         // TODO: remove this once Quilt drops official Fabric support
         if (loaders & Quilt)  // NOTE: Most if not all Fabric mods should work *currently*
-            return 4;  // Quilt would probably be 5
+            return 4;         // Quilt would probably be 5
         return 0;
     }
 
    private:
     [[nodiscard]] std::optional<QString> getSearchURL(SearchArgs const& args) const override
     {
-        auto gameVersionStr = args.versions.has_value() ? QString("gameVersion=%1").arg(args.versions.value().front().toString()) : QString();
+        auto gameVersionStr =
+            args.versions.has_value() ? QString("gameVersion=%1").arg(args.versions.value().front().toString()) : QString();
 
         QStringList get_arguments;
         get_arguments.append(QString("classId=%1").arg(getClassId(args.type)));
@@ -73,7 +74,7 @@ class FlameAPI : public NetworkResourceAPI {
 
     [[nodiscard]] std::optional<QString> getVersionsURL(VersionSearchArgs const& args) const override
     {
-        QString url{QString("https://api.curseforge.com/v1/mods/%1/files?pageSize=10000&").arg(args.pack.addonId.toString())};
+        QString url{ QString("https://api.curseforge.com/v1/mods/%1/files?pageSize=10000&").arg(args.pack.addonId.toString()) };
 
         QStringList get_parameters;
         if (args.mcVersions.has_value())
@@ -83,4 +84,12 @@ class FlameAPI : public NetworkResourceAPI {
 
         return url + get_parameters.join('&');
     };
+
+    [[nodiscard]] std::optional<QString> getDependecyURL(DependencySearchArgs const& args) const override
+    {
+        return QString("https://api.curseforge.com/v1/mods/%1/files?pageSize=10000&gameVersion=%2&modLoaderType=%")
+            .arg(args.dependency.addonId.toString())
+            .arg(args.mcVersion.toString())
+            .arg(getMappedModLoader(args.loader));
+    };
 };
diff --git a/launcher/modplatform/flame/FlameModIndex.cpp b/launcher/modplatform/flame/FlameModIndex.cpp
index 7498e830..38ecb9ab 100644
--- a/launcher/modplatform/flame/FlameModIndex.cpp
+++ b/launcher/modplatform/flame/FlameModIndex.cpp
@@ -39,15 +39,15 @@ void FlameMod::loadURLs(ModPlatform::IndexedPack& pack, QJsonObject& obj)
     auto links_obj = Json::ensureObject(obj, "links");
 
     pack.extraData.issuesUrl = Json::ensureString(links_obj, "issuesUrl");
-    if(pack.extraData.issuesUrl.endsWith('/'))
+    if (pack.extraData.issuesUrl.endsWith('/'))
         pack.extraData.issuesUrl.chop(1);
 
     pack.extraData.sourceUrl = Json::ensureString(links_obj, "sourceUrl");
-    if(pack.extraData.sourceUrl.endsWith('/'))
+    if (pack.extraData.sourceUrl.endsWith('/'))
         pack.extraData.sourceUrl.chop(1);
 
     pack.extraData.wikiUrl = Json::ensureString(links_obj, "wikiUrl");
-    if(pack.extraData.wikiUrl.endsWith('/'))
+    if (pack.extraData.wikiUrl.endsWith('/'))
         pack.extraData.wikiUrl.chop(1);
 
     if (!pack.extraData.body.isEmpty())
@@ -56,7 +56,7 @@ void FlameMod::loadURLs(ModPlatform::IndexedPack& pack, QJsonObject& obj)
 
 void FlameMod::loadBody(ModPlatform::IndexedPack& pack, QJsonObject& obj)
 {
-    pack.extraData.body  = api.getModDescription(pack.addonId.toInt());
+    pack.extraData.body = api.getModDescription(pack.addonId.toInt());
 
     if (!pack.extraData.issuesUrl.isEmpty() || !pack.extraData.sourceUrl.isEmpty() || !pack.extraData.wikiUrl.isEmpty())
         pack.extraDataLoaded = true;
@@ -64,12 +64,12 @@ void FlameMod::loadBody(ModPlatform::IndexedPack& pack, QJsonObject& obj)
 
 static QString enumToString(int hash_algorithm)
 {
-    switch(hash_algorithm){
-    default:
-    case 1:
-        return "sha1";
-    case 2:
-        return "md5";
+    switch (hash_algorithm) {
+        default:
+        case 1:
+            return "sha1";
+        case 2:
+            return "md5";
     }
 }
 
@@ -84,12 +84,12 @@ void FlameMod::loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
 
     for (auto versionIter : arr) {
         auto obj = versionIter.toObject();
-        
+
         auto file = loadIndexedPackVersion(obj);
-        if(!file.addonId.isValid())
+        if (!file.addonId.isValid())
             file.addonId = pack.addonId;
 
-        if(file.fileId.isValid()) // Heuristic to check if the returned value is valid
+        if (file.fileId.isValid())  // Heuristic to check if the returned value is valid
             unsortedVersions.append(file);
     }
 
@@ -136,8 +136,58 @@ auto FlameMod::loadIndexedPackVersion(QJsonObject& obj, bool load_changelog) ->
         }
     }
 
-    if(load_changelog)
+    auto dependencies = Json::ensureArray(obj, "dependencies");
+    for (auto d : dependencies) {
+        auto dep = Json::ensureObject(d);
+        ModPlatform::Dependency dependency;
+        dependency.addonId = Json::requireInteger(dep, "modId");
+        switch (Json::requireInteger(dep, "relationType")) {
+            case 1:  // EmbeddedLibrary
+                dependency.type = ModPlatform::DependencyType::EMBEDDED;
+                break;
+            case 2:  // OptionalDependency
+                dependency.type = ModPlatform::DependencyType::OPTIONAL;
+                break;
+            case 3:  // RequiredDependency
+                dependency.type = ModPlatform::DependencyType::REQUIRED;
+                break;
+            case 4:  // Tool
+                dependency.type = ModPlatform::DependencyType::TOOL;
+                break;
+            case 5:  // Incompatible
+                dependency.type = ModPlatform::DependencyType::INCOMPATIBLE;
+                break;
+            case 6:  // Include
+                dependency.type = ModPlatform::DependencyType::INCLUDE;
+                break;
+        }
+        file.dependencies.append(dependency);
+    }
+
+    if (load_changelog)
         file.changelog = api.getModFileChangelog(file.addonId.toInt(), file.fileId.toInt());
 
     return file;
 }
+
+ModPlatform::IndexedVersion FlameMod::loadDependencyVersions(ModPlatform::Dependency m, QJsonArray& arr)
+{
+    QVector<ModPlatform::IndexedVersion> unsortedVersions;
+    for (auto versionIter : arr) {
+        auto obj = versionIter.toObject();
+
+        auto file = loadIndexedPackVersion(obj);
+        if (!file.addonId.isValid())
+            file.addonId = m.addonId;
+
+        if (file.fileId.isValid())  // Heuristic to check if the returned value is valid
+            unsortedVersions.append(file);
+    }
+
+    auto orderSortPredicate = [](const ModPlatform::IndexedVersion& a, const ModPlatform::IndexedVersion& b) -> bool {
+        // dates are in RFC 3339 format
+        return a.date > b.date;
+    };
+    std::sort(unsortedVersions.begin(), unsortedVersions.end(), orderSortPredicate);
+    return unsortedVersions.front();
+};
diff --git a/launcher/modplatform/flame/FlameModIndex.h b/launcher/modplatform/flame/FlameModIndex.h
index 33c4a529..306959e0 100644
--- a/launcher/modplatform/flame/FlameModIndex.h
+++ b/launcher/modplatform/flame/FlameModIndex.h
@@ -6,8 +6,8 @@
 
 #include "modplatform/ModIndex.h"
 
-#include "BaseInstance.h"
 #include <QNetworkAccessManager>
+#include "BaseInstance.h"
 
 namespace FlameMod {
 
@@ -19,5 +19,5 @@ void loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
                              const shared_qobject_ptr<QNetworkAccessManager>& network,
                              const BaseInstance* inst);
 auto loadIndexedPackVersion(QJsonObject& obj, bool load_changelog = false) -> ModPlatform::IndexedVersion;
-
-}  // namespace FlameMod
+auto loadDependencyVersions(ModPlatform::Dependency m, QJsonArray& arr) -> ModPlatform::IndexedVersion;
+}  // namespace FlameMod
\ No newline at end of file
diff --git a/launcher/modplatform/flame/FlamePackIndex.h b/launcher/modplatform/flame/FlamePackIndex.h
index 1ca0fc0e..b089b722 100644
--- a/launcher/modplatform/flame/FlamePackIndex.h
+++ b/launcher/modplatform/flame/FlamePackIndex.h
@@ -4,6 +4,7 @@
 #include <QMetaType>
 #include <QString>
 #include <QVector>
+#include "modplatform/ModIndex.h"
 
 namespace Flame {
 
@@ -27,8 +28,7 @@ struct ModpackExtra {
     QString sourceUrl;
 };
 
-struct IndexedPack
-{
+struct IndexedPack {
     int addonId;
     QString name;
     QString description;
@@ -43,9 +43,9 @@ struct IndexedPack
     ModpackExtra extra;
 };
 
-void loadIndexedPack(IndexedPack & m, QJsonObject & obj);
+void loadIndexedPack(IndexedPack& m, QJsonObject& obj);
 void loadIndexedInfo(IndexedPack&, QJsonObject&);
-void loadIndexedPackVersions(IndexedPack & m, QJsonArray & arr);
-}
+void loadIndexedPackVersions(IndexedPack& m, QJsonArray& arr);
+}  // namespace Flame
 
 Q_DECLARE_METATYPE(Flame::IndexedPack)
diff --git a/launcher/modplatform/helpers/NetworkResourceAPI.cpp b/launcher/modplatform/helpers/NetworkResourceAPI.cpp
index 010ac15e..a7f763d3 100644
--- a/launcher/modplatform/helpers/NetworkResourceAPI.cpp
+++ b/launcher/modplatform/helpers/NetworkResourceAPI.cpp
@@ -24,7 +24,7 @@ Task::Ptr NetworkResourceAPI::searchProjects(SearchArgs&& args, SearchCallbacks&
 
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(search_url), response));
 
-    QObject::connect(netJob.get(), &NetJob::succeeded, [=]{
+    QObject::connect(netJob.get(), &NetJob::succeeded, [=] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -40,16 +40,14 @@ Task::Ptr NetworkResourceAPI::searchProjects(SearchArgs&& args, SearchCallbacks&
         callbacks.on_succeed(doc);
     });
 
-    QObject::connect(netJob.get(), &NetJob::failed, [=](QString reason){
+    QObject::connect(netJob.get(), &NetJob::failed, [=](QString reason) {
         int network_error_code = -1;
         if (auto* failed_action = netJob->getFailedActions().at(0); failed_action && failed_action->m_reply)
             network_error_code = failed_action->m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
 
-       callbacks.on_fail(reason, network_error_code); 
-    });
-    QObject::connect(netJob.get(), &NetJob::aborted, [=]{
-       callbacks.on_abort(); 
+        callbacks.on_fail(reason, network_error_code);
     });
+    QObject::connect(netJob.get(), &NetJob::aborted, [=] { callbacks.on_abort(); });
 
     return netJob;
 }
@@ -101,9 +99,7 @@ Task::Ptr NetworkResourceAPI::getProjectVersions(VersionSearchArgs&& args, Versi
         callbacks.on_succeed(doc, args.pack);
     });
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] {
-        delete response;
-    });
+    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
 
     return netJob;
 }
@@ -120,9 +116,38 @@ Task::Ptr NetworkResourceAPI::getProject(QString addonId, QByteArray* response)
 
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(project_url), response));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] {
-        delete response;
-    });
+    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
 
     return netJob;
 }
+
+Task::Ptr NetworkResourceAPI::getDependencyVersion(DependencySearchArgs&& args, DependencySearchCallbacks&& callbacks) const
+{
+    auto versions_url_optional = getDependecyURL(args);
+    if (!versions_url_optional.has_value())
+        return nullptr;
+
+    auto versions_url = versions_url_optional.value();
+
+    auto netJob = makeShared<NetJob>(QString("%1::Dependecy").arg(args.dependency.addonId.toString()), APPLICATION->network());
+    auto response = new QByteArray();
+
+    netJob->addNetAction(Net::Download::makeByteArray(versions_url, response));
+
+    QObject::connect(netJob.get(), &NetJob::succeeded, [=] {
+        QJsonParseError parse_error{};
+        QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
+        if (parse_error.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response for getting versions at " << parse_error.offset
+                       << " reason: " << parse_error.errorString();
+            qWarning() << *response;
+            return;
+        }
+
+        callbacks.on_succeed(doc, args.dependency);
+    });
+
+    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
+
+    return netJob;
+};
diff --git a/launcher/modplatform/helpers/NetworkResourceAPI.h b/launcher/modplatform/helpers/NetworkResourceAPI.h
index 94813bec..bbe0a2c7 100644
--- a/launcher/modplatform/helpers/NetworkResourceAPI.h
+++ b/launcher/modplatform/helpers/NetworkResourceAPI.h
@@ -14,9 +14,11 @@ class NetworkResourceAPI : public ResourceAPI {
 
     Task::Ptr getProjectInfo(ProjectInfoArgs&&, ProjectInfoCallbacks&&) const override;
     Task::Ptr getProjectVersions(VersionSearchArgs&&, VersionSearchCallbacks&&) const override;
+    Task::Ptr getDependencyVersion(DependencySearchArgs&&, DependencySearchCallbacks&&) const override;
 
    protected:
     [[nodiscard]] virtual auto getSearchURL(SearchArgs const& args) const -> std::optional<QString> = 0;
     [[nodiscard]] virtual auto getInfoURL(QString const& id) const -> std::optional<QString> = 0;
     [[nodiscard]] virtual auto getVersionsURL(VersionSearchArgs const& args) const -> std::optional<QString> = 0;
+    [[nodiscard]] virtual auto getDependecyURL(DependencySearchArgs const& args) const -> std::optional<QString> = 0;
 };
diff --git a/launcher/modplatform/modrinth/ModrinthAPI.h b/launcher/modplatform/modrinth/ModrinthAPI.h
index b91ac5c1..2d6049ba 100644
--- a/launcher/modplatform/modrinth/ModrinthAPI.h
+++ b/launcher/modplatform/modrinth/ModrinthAPI.h
@@ -12,13 +12,9 @@
 
 class ModrinthAPI : public NetworkResourceAPI {
    public:
-    auto currentVersion(QString hash,
-                        QString hash_format,
-                        QByteArray* response) -> Task::Ptr;
+    auto currentVersion(QString hash, QString hash_format, QByteArray* response) -> Task::Ptr;
 
-    auto currentVersions(const QStringList& hashes,
-                         QString hash_format,
-                         QByteArray* response) -> Task::Ptr;
+    auto currentVersions(const QStringList& hashes, QString hash_format, QByteArray* response) -> Task::Ptr;
 
     auto latestVersion(QString hash,
                        QString hash_format,
@@ -28,8 +24,8 @@ class ModrinthAPI : public NetworkResourceAPI {
 
     auto latestVersions(const QStringList& hashes,
                         QString hash_format,
-                       std::optional<std::list<Version>> mcVersions,
-                       std::optional<ModLoaderTypes> loaders,
+                        std::optional<std::list<Version>> mcVersions,
+                        std::optional<ModLoaderTypes> loaders,
                         QByteArray* response) -> Task::Ptr;
 
     Task::Ptr getProjects(QStringList addonIds, QByteArray* response) const override;
@@ -42,7 +38,7 @@ class ModrinthAPI : public NetworkResourceAPI {
     static auto getModLoaderStrings(const ModLoaderTypes types) -> const QStringList
     {
         QStringList l;
-        for (auto loader : {Forge, Fabric, Quilt}) {
+        for (auto loader : { Forge, Fabric, Quilt }) {
             if (types & loader) {
                 l << getModLoaderString(loader);
             }
@@ -55,8 +51,7 @@ class ModrinthAPI : public NetworkResourceAPI {
     static auto getModLoaderFilters(ModLoaderTypes types) -> const QString
     {
         QStringList l;
-        for (auto loader : getModLoaderStrings(types))
-        {
+        for (auto loader : getModLoaderStrings(types)) {
             l << QString("\"categories:%1\"").arg(loader);
         }
         return l.join(',');
@@ -139,16 +134,22 @@ class ModrinthAPI : public NetworkResourceAPI {
     auto getGameVersionsArray(std::list<Version> mcVersions) const -> QString
     {
         QString s;
-        for(auto& ver : mcVersions){
+        for (auto& ver : mcVersions) {
             s += QString("\"versions:%1\",").arg(ver.toString());
         }
-        s.remove(s.length() - 1, 1); //remove last comma
+        s.remove(s.length() - 1, 1);  // remove last comma
         return s.isEmpty() ? QString() : s;
     }
 
-    inline auto validateModLoaders(ModLoaderTypes loaders) const -> bool
-    {
-        return loaders & (Forge | Fabric | Quilt);
-    }
+    inline auto validateModLoaders(ModLoaderTypes loaders) const -> bool { return loaders & (Forge | Fabric | Quilt); }
 
+    [[nodiscard]] std::optional<QString> getDependecyURL(DependencySearchArgs const& args) const override
+    {
+        return args.dependency.version.length() != 0 ? QString("%1/version/%2").arg(BuildConfig.MODRINTH_PROD_URL, args.dependency.version)
+                                                     : QString("%1/project/%2/version?game_versions=[\"%1\"]&loaders=[\"%1\"]")
+                                                           .arg(BuildConfig.MODRINTH_PROD_URL)
+                                                           .arg(args.dependency.addonId.toString())
+                                                           .arg(args.mcVersion.toString())
+                                                           .arg(getModLoaderStrings(args.loader).join("\",\""));
+    };
 };
diff --git a/launcher/modplatform/modrinth/ModrinthPackIndex.cpp b/launcher/modplatform/modrinth/ModrinthPackIndex.cpp
index 7ade131e..9f898c39 100644
--- a/launcher/modplatform/modrinth/ModrinthPackIndex.cpp
+++ b/launcher/modplatform/modrinth/ModrinthPackIndex.cpp
@@ -22,7 +22,6 @@
 #include "Json.h"
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
-#include "net/NetJob.h"
 
 static ModrinthAPI api;
 static ModPlatform::ProviderCapabilities ProviderCaps;
@@ -140,6 +139,26 @@ auto Modrinth::loadIndexedPackVersion(QJsonObject& obj, QString preferred_hash_t
     file.version_number = Json::requireString(obj, "version_number");
     file.changelog = Json::requireString(obj, "changelog");
 
+    auto dependencies = Json::ensureArray(obj, "dependencies");
+    for (auto d : dependencies) {
+        auto dep = Json::ensureObject(d);
+        ModPlatform::Dependency dependency;
+        dependency.addonId = Json::requireString(dep, "project_id");
+        dependency.version = Json::requireString(dep, "version_id");
+        auto depType = Json::requireString(dep, "dependency_type");
+
+        if (depType == "required")
+            dependency.type = ModPlatform::DependencyType::REQUIRED;
+        else if (depType == "optional")
+            dependency.type = ModPlatform::DependencyType::OPTIONAL;
+        else if (depType == "incompatible")
+            dependency.type = ModPlatform::DependencyType::INCOMPATIBLE;
+        else if (depType == "embedded")
+            dependency.type = ModPlatform::DependencyType::EMBEDDED;
+
+        file.dependencies.append(dependency);
+    }
+
     auto files = Json::requireArray(obj, "files");
     int i = 0;
 
@@ -195,3 +214,22 @@ auto Modrinth::loadIndexedPackVersion(QJsonObject& obj, QString preferred_hash_t
 
     return {};
 }
+
+auto Modrinth::loadDependencyVersions(ModPlatform::Dependency m, QJsonArray& arr) -> ModPlatform::IndexedVersion
+{
+    QVector<ModPlatform::IndexedVersion> unsortedVersions;
+
+    for (auto versionIter : arr) {
+        auto obj = versionIter.toObject();
+        auto file = loadIndexedPackVersion(obj);
+
+        if (file.fileId.isValid())  // Heuristic to check if the returned value is valid
+            unsortedVersions.append(file);
+    }
+    auto orderSortPredicate = [](const ModPlatform::IndexedVersion& a, const ModPlatform::IndexedVersion& b) -> bool {
+        // dates are in RFC 3339 format
+        return a.date > b.date;
+    };
+    std::sort(unsortedVersions.begin(), unsortedVersions.end(), orderSortPredicate);
+    return unsortedVersions.front();
+}
\ No newline at end of file
diff --git a/launcher/modplatform/modrinth/ModrinthPackIndex.h b/launcher/modplatform/modrinth/ModrinthPackIndex.h
index e73e4b18..8aa53a11 100644
--- a/launcher/modplatform/modrinth/ModrinthPackIndex.h
+++ b/launcher/modplatform/modrinth/ModrinthPackIndex.h
@@ -19,8 +19,8 @@
 
 #include "modplatform/ModIndex.h"
 
-#include "BaseInstance.h"
 #include <QNetworkAccessManager>
+#include "BaseInstance.h"
 
 namespace Modrinth {
 
@@ -31,5 +31,6 @@ void loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
                              const shared_qobject_ptr<QNetworkAccessManager>& network,
                              const BaseInstance* inst);
 auto loadIndexedPackVersion(QJsonObject& obj, QString hash_type = "sha512", QString filename_prefer = "") -> ModPlatform::IndexedVersion;
+auto loadDependencyVersions(ModPlatform::Dependency m, QJsonArray& arr) -> ModPlatform::IndexedVersion;
 
 }  // namespace Modrinth
diff --git a/launcher/modplatform/packwiz/Packwiz.cpp b/launcher/modplatform/packwiz/Packwiz.cpp
index 510c7309..33b5f364 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