Add data models

Hotel/HotelDataModels/IId.cs

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+namespace HotelDataModels;
+
+public interface IId
+{
+    int Id { get; }
+}

Hotel/HotelDataModels/Models/ICleaning.cs

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+namespace HotelDataModels.Models;
+
+public interface ICleaning : IId
+{
+    DateTime Date { get; }
+    int RoomId { get; }
+}

Hotel/HotelDataModels/Models/ICleaningInstruments.cs

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+namespace HotelDataModels.Models;
+
+public interface ICleaningInstruments : IId
+{
+    string Type { get; }
+}

Hotel/HotelDataModels/Models/IGuest.cs

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+namespace HotelDataModels.Models;
+
+public interface IGuest : IId
+{
+    string Name { get; }
+    string SecondName { get; }
+    string LastName { get; }
+}

Hotel/HotelDataModels/Models/IMaitre.cs

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+namespace HotelDataModels.Models;
+
+public interface IMaitre : IId
+{
+    string Name { get; }
+    string SecondName { get; }
+    string LastName { get; }
+    string Login { get; }
+    string Password { get; }
+}

Hotel/HotelDataModels/Models/IReservation.cs

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+namespace HotelDataModels.Models;
+
+public interface IReservation : IId
+{
+    DateTime StartDate { get; }
+    DateTime EndDate { get; }
+    int GuestId { get; }
+    int MaitreId { get; }
+}

Hotel/HotelDataModels/Models/IRoom.cs

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+namespace HotelDataModels.Models;
+
+public interface IRoom : IId
+{
+    string Type { get; }
+    int Cost { get; }
+}

README.md

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 # PIbd-22_Bazunov_AI_Hotel
+Курсовая работа по дисциплине "Разработка профессиональных приложений".
+Студент: Базунов А.И.