New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/platform/products.hpp

@@ -0,0 +1,64 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <optional>
+#include <mutex>
+
+namespace products {
+
+struct ProductsConfig
+{
+  struct Product
+  {
+  private:
+    std::string m_title;
+    std::string m_link;
+
+  public:
+    Product(std::string const & title, std::string const & link)
+    : m_title(title), m_link(link)
+    {}
+
+    std::string const & GetTitle() const { return m_title; }
+    std::string const & GetLink() const { return m_link; }
+  };
+
+private:
+  std::string m_placePagePrompt;
+  std::vector<Product> m_products;
+
+public:
+  std::string const GetPlacePagePrompt() const { return m_placePagePrompt; }
+  std::vector<Product> const & GetProducts() const { return m_products; }
+  bool HasProducts() const { return !m_products.empty(); }
+
+  static std::optional<ProductsConfig> Parse(std::string const & jsonStr);
+};
+
+class ProductsSettings
+{
+private:
+  ProductsSettings();
+
+  std::optional<ProductsConfig> m_productsConfig;
+  mutable std::mutex m_mutex;
+
+public:
+  static ProductsSettings & Instance();
+
+  void Update(std::string const & jsonStr);
+  std::optional<ProductsConfig> Get();
+};
+
+inline void Update(std::string const & jsonStr)
+{
+  ProductsSettings::Instance().Update(jsonStr);
+}
+
+inline std::optional<ProductsConfig> GetProductsConfiguration()
+{
+  return ProductsSettings::Instance().Get();
+}
+
+} // namespace products