feat: new services description (#2412)

* feat: iap for apple now use storekit2

* fix: fixed error 101 on connection event

* feat: enhance StoreKit2Helper to handle entitlements and improve restore service from App Store functionality

* chore: add isInAppPurchase and isTestPurchase in primary config

* refactor: use end_date from primary config for renew ui

* fix: hide renew button for free

* fix: hide renew button for appstore purchases

* feat: add new premium info page

* feat: add new free info page

* chore: minor fixes

* refactor: move plan and benefits into separate models

* fix: fixed expired status when configs without an end date

* feat: add trial api support

* chore: add api message parsing for 422 error

* feat: move privacy policy and term of use to gateway

* feat: add iap support for new premium info page

* chore: minor fixes

* chore: minor fix

* chore: minor fixes

* feat: additional parsing for storekit subscription plans

* chore: minor codestyle fixes

* chore: simplify benefits

* chore: hide extend buttons on external premium

* feat: add trial error processing

* fix: remove wrong check from tiral handler

* chore: cleanup

---------

Co-authored-by: spectrum <yyy@amnezia.org>

client/ui/models/api/apiSubscriptionPlansModel.h

@@ -0,0 +1,53 @@
+#ifndef APISUBSCRIPTIONPLANSMODEL_H
+#define APISUBSCRIPTIONPLANSMODEL_H
+
+#include <QAbstractListModel>
+#include <QJsonArray>
+#include <QVector>
+
+class ApiSubscriptionPlansModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    enum Roles {
+        BillingPeriodRole = Qt::UserRole + 1,
+        PriceLabelRole,
+        SubtitleRole,
+        RecommendedRole,
+        CheckoutUrlRole,
+        IsTrialRole,
+        ServiceProtocolRole,
+        StoreProductIdRole
+    };
+    Q_ENUM(Roles)
+
+    explicit ApiSubscriptionPlansModel(QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames() const override;
+
+    void updateModel(const QJsonArray &arr);
+    void clear();
+
+    Q_INVOKABLE QVariantMap planAt(int row) const;
+    Q_INVOKABLE int recommendedRowIndex() const;
+
+private:
+    struct SubscriptionPlanItem
+    {
+        QString billingPeriod;
+        QString priceLabel;
+        QString subtitle;
+        bool recommended = false;
+        QString checkoutUrl;
+        bool isTrial = false;
+        QString serviceProtocol;
+        QString storeProductId;
+    };
+
+    QVector<SubscriptionPlanItem> m_subscriptionPlans;
+};
+
+#endif