2 files changed, 44 insertions, 6 deletions

diff --git a/domain/src/participant.cpp b/domain/src/participant.cpp
index 8b16916..b52bcca 100644
--- a/domain/src/participant.cpp
+++ b/domain/src/participant.cpp
@@ -13,11 +13,9 @@ namespace turns::domain
 
   participant::participant(Glib::ustring name, float order_value)
       : Glib::ObjectBase{typeid(participant)}
-      , m_name{*this, "name"}
-      , m_order_value{*this, "order_value"}
+      , m_name{*this, "name", name}
+      , m_order_value{*this, "order_value", order_value}
   {
-    m_name = name;
-    m_order_value = order_value;
   }
 
   auto participant::operator<=>(participant const & other) const noexcept -> std::partial_ordering
@@ -35,12 +33,12 @@ namespace turns::domain
     return m_name.get_proxy();
   }
 
-  auto participant::property_over_value() -> Glib::PropertyProxy<float>
+  auto participant::property_order_value() -> Glib::PropertyProxy<float>
   {
     return m_order_value.get_proxy();
   }
 
-  auto participant::property_over_value() const -> Glib::PropertyProxy_ReadOnly<float>
+  auto participant::property_order_value() const -> Glib::PropertyProxy_ReadOnly<float>
   {
     return m_order_value.get_proxy();
   }
diff --git a/domain/src/turn_order.cpp b/domain/src/turn_order.cpp
new file mode 100644
index 0000000..8b9e042
--- /dev/null
+++ b/domain/src/turn_order.cpp
@@ -0,0 +1,40 @@
+#include "turns/domain/turn_order.hpp"
+
+namespace turns::domain
+{
+
+  namespace
+  {
+    auto constexpr comparator = [](auto lhs, auto rhs){
+      auto result = *lhs <=> *rhs;
+      if(result == std::partial_ordering::equivalent || result == std::partial_ordering::unordered)
+      {
+        return 0;
+      }
+      else if(result == std::partial_ordering::less)
+      {
+        return 1;
+      }
+      return -1;
+    };
+  }
+
+  auto turn_order::create() -> Glib::RefPtr<turn_order>
+  {
+    return Glib::make_refptr_for_instance(new turn_order{});
+  }
+
+  auto turn_order::append(Glib::ustring const & name, float order_value) -> turn_order &
+  {
+    auto participant = participant::create(name, order_value);
+    participant->property_order_value().signal_changed().connect([this] { sort(); });
+    insert_sorted(participant, comparator);
+    return *this;
+  }
+
+  auto turn_order::sort() -> void
+  {
+    super::sort(comparator);
+  }
+
+}  // namespace turns::domain
\ No newline at end of file