feat: initial commit for media tracking software

- Setup C++/Qt6 desktop application structure
- Added initial Go proxy backend for TMDB/IGDB integration

src/providers/RawgProvider.cpp

@@ -0,0 +1,75 @@
+#include "providers/RawgProvider.h"
+
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QNetworkRequest>
+#include <QUrlQuery>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+
+namespace umt {
+
+RawgProvider::RawgProvider(QObject *parent)
+    : MetadataProvider(parent)
+    , m_nam(new QNetworkAccessManager(this))
+{
+}
+
+void RawgProvider::search(const QString &query, MediaType)
+{
+    if (m_apiKey.trimmed().isEmpty()) {
+        emit failed(QStringLiteral(
+            "Für Spiele bitte einen kostenlosen RAWG API-Key in den "
+            "Einstellungen hinterlegen (rawg.io/apidocs)."));
+        return;
+    }
+
+    QUrl url(QStringLiteral("https://api.rawg.io/api/games"));
+    QUrlQuery q;
+    q.addQueryItem(QStringLiteral("key"), m_apiKey.trimmed());
+    q.addQueryItem(QStringLiteral("search"), query);
+    q.addQueryItem(QStringLiteral("page_size"), QStringLiteral("25"));
+    url.setQuery(q);
+
+    QNetworkRequest req(url);
+    req.setHeader(QNetworkRequest::UserAgentHeader,
+                  QStringLiteral("UltimateMediaTracker/1.0"));
+    QNetworkReply *r = m_nam->get(req);
+    connect(r, &QNetworkReply::finished, this, [this, r]() {
+        r->deleteLater();
+        if (r->error() != QNetworkReply::NoError) {
+            emit failed(QStringLiteral("RAWG: ") + r->errorString());
+            return;
+        }
+        const QJsonDocument doc = QJsonDocument::fromJson(r->readAll());
+        QVector<SearchResult> out;
+        const QJsonArray games = doc.object().value(QStringLiteral("results")).toArray();
+        for (const QJsonValue &v : games) {
+            const QJsonObject o = v.toObject();
+            SearchResult res;
+            res.type   = MediaType::Game;
+            res.source = name();
+            res.title  = o.value(QStringLiteral("name")).toString();
+            res.externalId = QString::number(o.value(QStringLiteral("id")).toInt());
+
+            // "released" is an ISO date like "2017-03-03"; take the year prefix.
+            const QString released = o.value(QStringLiteral("released")).toString();
+            if (released.size() >= 4)
+                res.year = released.left(4).toInt();
+
+            res.coverUrl = o.value(QStringLiteral("background_image")).toString();
+            res.externalRating = o.value(QStringLiteral("rating")).toDouble();
+
+            const QJsonArray genres = o.value(QStringLiteral("genres")).toArray();
+            for (const QJsonValue &gv : genres) {
+                const QString g = gv.toObject().value(QStringLiteral("name")).toString();
+                if (!g.isEmpty()) res.genres << g;
+            }
+            out.push_back(res);
+        }
+        emit searchFinished(out);
+    });
+}
+
+} // namespace umt