feat(model): add UpfInfo interface to_string

Signed-off-by: Stefan Spettel <stefan.spettel@phine.tech>

model/nrf/InterfaceUpfInfoItem.cpp

@@ -13,6 +13,7 @@
 
 #include "InterfaceUpfInfoItem.h"
 #include "Helpers.h"
+#include "config.hpp"
 
 #include <sstream>
 
@@ -217,4 +218,21 @@ void InterfaceUpfInfoItem::unsetNetworkInstance() {
   m_NetworkInstanceIsSet = false;
 }
 
+std::string InterfaceUpfInfoItem::to_string(int indent_level) const {
+  std::string out;
+  std::string fmt_title = oai::config::get_title_formatter(indent_level);
+  std::string fmt_value_inner =
+      oai::config::get_value_formatter(indent_level + 1);
+
+  out.append(fmt::format(fmt_title, "interface_upf_info_item:"));
+  out.append(fmt::format(
+      fmt_value_inner, "interface_type", m_InterfaceType.getEnumString()));
+  if (m_NetworkInstanceIsSet) {
+    out.append(
+        fmt::format(fmt_value_inner, "network_instance", m_NetworkInstance));
+  }
+  // TODO other values
+  return out;
+}
+
 }  // namespace oai::model::nrf

model/nrf/InterfaceUpfInfoItem.h

@@ -97,6 +97,8 @@ class InterfaceUpfInfoItem {
   friend void to_json(nlohmann::json& j, const InterfaceUpfInfoItem& o);
   friend void from_json(const nlohmann::json& j, InterfaceUpfInfoItem& o);
 
+  [[nodiscard]] std::string to_string(int indent_level) const;
+
  protected:
   oai::model::nrf::UPInterfaceType m_InterfaceType;
 

model/nrf/UpfInfo.cpp

@@ -548,6 +548,11 @@ std::string UpfInfo::to_string(int indent_level) const {
       out.append(info.to_string(indent_level + 1));
     }
   }
+  if (!m_InterfaceUpfInfoList.empty()) {
+    for (const auto& iface : m_InterfaceUpfInfoList) {
+      out.append(iface.to_string(indent_level + 1));
+    }
+  }
   return out;
   // TODO other values
 }