Redaction example usage

Samples/ASP.NET/Customers/Customer.cs

@@ -1,16 +1,24 @@
 // Copyright (c) Dolittle. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
+using System;
 using Dolittle.SDK.Aggregates;
 using Dolittle.SDK.Events;
+using Dolittle.SDK.Events.Redaction;
 using Microsoft.Extensions.Logging;
 
 namespace Customers;
+
 [AggregateRoot("dcdaecc0-29c9-41f4-96d1-9bddefe8b39a")]
 public class Customer : AggregateRoot
 {
     readonly ILogger<Customer> _logger;
 
+    string? _name;
+    string? _email;
+    string? _phoneNumber;
+    Address? _customerAddress;
+
     public Customer(EventSourceId eventSource, ILogger<Customer> logger)
         : base(eventSource)
     {
@@ -19,9 +27,59 @@ public Customer(EventSourceId eventSource, ILogger<Customer> logger)
 
     string Name => EventSourceId;
 
+    public void Register(string name, string email, string phoneNumber, Address address)
+    {
+        if (_name is not null)
+        {
+            throw new CustomerAlreadyRegistered();
+        }
+
+        Apply(new CustomerRegistered
+        {
+            Name = name,
+            Email = email,
+            PhoneNumber = phoneNumber,
+            CustomerAddress = address
+        });
+    }
+
+    public void GdprForget(string reason, string performedBy)
+    {
+        if (_name is null)
+        {
+            throw new CustomerNotRegistered();
+        }
+
+
+        Apply(Redactions.Create<CustomerRegistered, CustomerDetailsForgotten>(reason, performedBy));
+    }
+
     public void EatDish(string dish)
     {
         Apply(new DishEaten(dish, Name));
         _logger.LogInformation("Customer {Name} is eating {Dish}", Name, dish);
     }
+
+    public void On(CustomerRegistered evt)
+    {
+        _name = evt.Name;
+        _email = evt.Email;
+        _phoneNumber = evt.PhoneNumber;
+        _customerAddress = evt.CustomerAddress;
+    }
+
+    public void On(CustomerDetailsForgotten _)
+    {
+        _email = null;
+        _phoneNumber = null;
+        _customerAddress = null;
+    }
+}
+
+public class CustomerNotRegistered : Exception
+{
+}
+
+public class CustomerAlreadyRegistered : Exception
+{
 }

Samples/ASP.NET/Customers/CustomerDetailsForgotten.cs

@@ -0,0 +1,13 @@
+// Copyright (c) Dolittle. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Dolittle.SDK.Events;
+using Dolittle.SDK.Events.Redaction;
+
+namespace Customers;
+
+[EventType("849494db-3173-4259-a4f7-e409ae1785dc")]
+public class CustomerDetailsForgotten : PersonalDataRedactedForEvent<CustomerRegistered>
+{
+
+}

Samples/ASP.NET/Customers/CustomerRegistered.cs

@@ -0,0 +1,33 @@
+// Copyright (c) Dolittle. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#nullable enable
+using Dolittle.SDK.Events;
+using Dolittle.SDK.Events.Redaction;
+
+namespace Customers;
+
+[EventType("24e3a119-57d5-45d7-b7ef-a736fe6331e7")]
+public class CustomerRegistered
+{
+    public string Name { get; init; }
+
+    // These will be replaced with the given value
+    [RedactablePersonalData<string>("<email redacted>")]
+    public string Email { get; init; }
+
+    [RedactablePersonalData<string>("<phone redacted>")]
+    public string PhoneNumber { get; init; }
+
+    // If the type is not specified, the property will be removed.
+    [RedactablePersonalData]
+    public Address? CustomerAddress { get; init; }
+
+}
+
+public class Address
+{
+    public string Street { get; init; }
+    public string City { get; init; }
+    public string ZipCode { get; init; }
+}