Start of mod downloading

launcher/modplatform/modrinth/ModrinthPackIndex.cpp

@@ -0,0 +1,51 @@
+#include <QObject>
+#include "ModrinthPackIndex.h"
+
+#include "Json.h"
+#include "net/NetJob.h"
+
+void Modrinth::loadIndexedPack(Modrinth::IndexedPack & pack, QJsonObject & obj)
+{
+    pack.addonId = Json::requireString(obj, "mod_id");
+    pack.name = Json::requireString(obj, "title");
+    pack.websiteUrl = Json::ensureString(obj, "page_url", "");
+    pack.description = Json::ensureString(obj, "description", "");
+
+    pack.logoUrl = Json::requireString(obj, "icon_url");
+    pack.logoName = "logoName";
+
+    Modrinth::ModpackAuthor packAuthor;
+    packAuthor.name = Json::requireString(obj, "author");
+    packAuthor.url = Json::requireString(obj, "author_url");
+    pack.authors.append(packAuthor); //TODO delete this ? only one author ever exists
+}
+
+void Modrinth::loadIndexedPackVersions(Modrinth::IndexedPack & pack, QJsonArray & arr, const shared_qobject_ptr<QNetworkAccessManager>& network)
+{
+    QVector<Modrinth::IndexedVersion> unsortedVersions;
+    for(auto versionIter: arr) {
+        auto obj = versionIter.toObject();
+        Modrinth::IndexedVersion file;
+        file.addonId = Json::requireString(obj,"mod_id") ;
+        file.fileId = Json::requireString(obj, "id");
+        file.date = Json::requireString(obj, "date_published");
+        auto versionArray = Json::requireArray(obj, "game_versions");
+        if (versionArray.empty()) {
+            continue;
+        }
+        // pick the latest version supported
+        file.mcVersion = versionArray[0].toString();
+        file.version = Json::requireString(obj, "name");
+        //TODO show all the files ?
+        file.downloadUrl = Json::requireString(Json::requireArray(obj, "files")[0].toObject(),"url");
+        unsortedVersions.append(file);
+    }
+    auto orderSortPredicate = [](const IndexedVersion & a, const IndexedVersion & b) -> bool
+    {
+        //dates are in RFC 3339 format
+        return a.date > b.date;
+    };
+    std::sort(unsortedVersions.begin(), unsortedVersions.end(), orderSortPredicate);
+    pack.versions = unsortedVersions;
+    pack.versionsLoaded = true;
+}

launcher/modplatform/modrinth/ModrinthPackIndex.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <QList>
+#include <QMetaType>
+#include <QString>
+#include <QVector>
+#include <QNetworkAccessManager>
+#include <QObjectPtr.h>
+#include "net/NetJob.h"
+
+namespace Modrinth {
+
+struct ModpackAuthor {
+    QString name;
+    QString url;
+};
+
+struct IndexedVersion {
+    QString addonId;
+    QString fileId;
+    QString version;
+    QString mcVersion;
+    QString downloadUrl;
+    QString date;
+};
+
+struct IndexedPack
+{
+    QString addonId;
+    QString name;
+    QString description;
+    QList<ModpackAuthor> authors;
+    QString logoName;
+    QString logoUrl;
+    QString websiteUrl;
+
+    bool versionsLoaded = false;
+    QVector<IndexedVersion> versions;
+};
+
+void loadIndexedPack(IndexedPack & m, QJsonObject & obj);
+void loadIndexedPackVersions(IndexedPack & m, QJsonArray & arr, const shared_qobject_ptr<QNetworkAccessManager>& network);
+void versionJobFinished();
+}
+
+Q_DECLARE_METATYPE(Modrinth::IndexedPack)