[csharp][booking][01_base] Add base classes

Author: solvingproblemswithtechnology

examples/csharp/csharp-booking-01_base/Bookings/Booking.cs

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+using System;
+
+namespace tv.codely.Booking
+{
+    public sealed class Booking
+    {
+        private readonly BookingId id;
+        private readonly DateTime startDate;
+        private readonly DateTime endDate;
+        private readonly CustomerId customerId;
+        private readonly CustomerName customerName;
+        private readonly EmailAddress customerEmail;
+        private readonly BookingType bookingType;
+        private readonly DiscountType discountType;
+        private readonly DiscountValue discountValue;
+        private readonly TaxType taxType;
+        private readonly TaxValue taxValue;
+
+        public Booking(
+            BookingId id,
+            DateTime startDate,
+            DateTime endDate,
+            CustomerId customerId,
+            CustomerName customerName,
+            EmailAddress customerEmail,
+            BookingType bookingType,
+            DiscountType discountType,
+            DiscountValue discountValue,
+            TaxType taxType,
+            TaxValue taxValue
+        )
+        {
+            this.id = id;
+            this.startDate = startDate;
+            this.endDate = endDate;
+            this.customerId = customerId;
+            this.customerName = customerName;
+            this.customerEmail = customerEmail;
+            this.bookingType = bookingType;
+            this.discountType = discountType;
+            this.discountValue = discountValue;
+            this.taxType = taxType;
+            this.taxValue = taxValue;
+        }
+
+        public BookingStatus StatusFor(DateTime date)
+        {
+            if (date < startDate)
+            {
+                return BookingStatus.NOT_STARTED;
+            }
+
+            if (date > startDate && date < endDate)
+            {
+                return BookingStatus.ACTIVE;
+            }
+
+            return BookingStatus.FINISHED;
+        }
+    }
+}

examples/csharp/csharp-booking-01_base/Bookings/BookingId.cs

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+using System;
+
+namespace tv.codely.Booking
+{
+    public sealed class BookingId
+    {
+        private readonly string value;
+
+        public BookingId(string value) => this.value = value;
+    }
+
+}

examples/csharp/csharp-booking-01_base/Bookings/BookingStatus.cs

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+namespace tv.codely.Booking
+{
+    public enum BookingStatus { NOT_STARTED, ACTIVE, FINISHED }
+}

examples/csharp/csharp-booking-01_base/Bookings/BookingType.cs

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+namespace tv.codely.Booking
+{
+    public enum BookingType { VACATION, WORK }
+}

examples/csharp/csharp-booking-01_base/Bookings/CustomerId.cs

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+namespace tv.codely.Booking
+{
+    public sealed class CustomerId
+    {
+        private readonly string value;
+
+        public CustomerId(string value) => this.value = value;
+    }
+}

examples/csharp/csharp-booking-01_base/Bookings/CustomerName.cs

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+using System;
+
+namespace tv.codely.Booking
+{
+    public sealed class CustomerName
+    {
+        private readonly string value;
+
+        public CustomerName(string value) => this.value = value;
+    }
+
+}

examples/csharp/csharp-booking-01_base/Bookings/DiscountType.cs

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+namespace tv.codely.Booking
+{
+    public enum DiscountType { NONE }
+}

examples/csharp/csharp-booking-01_base/Bookings/DiscountValue.cs

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+namespace tv.codely.Booking
+{
+    public sealed class DiscountValue
+    {
+        private readonly int value;
+
+        public DiscountValue(int value) => this.value = value;
+    }
+}

examples/csharp/csharp-booking-01_base/Bookings/EmailAddress.cs

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+namespace tv.codely.Booking
+{
+    public sealed class EmailAddress
+    {
+        private readonly string value;
+
+        public EmailAddress(string value) => this.value = value;
+    }
+}

examples/csharp/csharp-booking-01_base/Bookings/TaxType.cs

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+namespace tv.codely.Booking
+{
+    public enum TaxType { NONE }
+}