Создание и заполнение BusinessLogicsContracts

Hotel/HotelContracts/BusinessLogicsContracts/IConferenceBookingLogic.cs

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+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.BusinessLogicsContracts
+{
+    public interface IConferenceBookingLogic
+    {
+        List<ConferenceBookingViewModel>? ReadList(ConferenceBookingSearchModel? model);
+        MealPlanViewModel? ReadElement(MealPlanSearchModel model);
+        bool Create(ConferenceBookingBindingModel model);
+        bool Update(ConferenceBookingBindingModel model);
+        bool Delete(ConferenceBookingBindingModel model);
+    }
+}

Hotel/HotelContracts/BusinessLogicsContracts/IDinnerLogic.cs

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+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.BusinessLogicsContracts
+{
+    public interface IDinnerLogic
+    {
+        List<DinnerViewModel>? ReadList(DinnerSearchModel? model);
+        DinnerViewModel? ReadElement(DinnerSearchModel model);
+        bool Create(DinnerBindingModel model);
+        bool Update(DinnerBindingModel model);
+        bool Delete(DinnerBindingModel model);
+        
+    }
+}

Hotel/HotelContracts/BusinessLogicsContracts/IHeadwaiterLogic.cs

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+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.BusinessLogicsContracts
+{
+    public interface IHeadwaiterLogic
+    {
+        List<HeadwaiterViewModel>? ReadList(HeadwaiterSearchModel? model);
+        HeadwaiterViewModel? ReadElement(HeadwaiterSearchModel model);
+        bool Create(HeadwaiterBindingModel model);
+        bool Update(HeadwaiterBindingModel model);
+        bool Delete(HeadwaiterBindingModel model);
+    }
+}

Hotel/HotelContracts/BusinessLogicsContracts/IRoomLogic.cs

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+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.BusinessLogicsContracts
+{
+    public interface IRoomLogic
+    {
+        List<RoomViewModel>? ReadList(RoomSearchModel? model);
+        RoomViewModel? ReadElement(RoomSearchModel model);
+        bool Create(RoomBindingModel model);
+        bool Update(RoomBindingModel model);
+        bool Delete(RoomBindingModel model);
+    }
+}