ByteDev

using System;
using System.Runtime.Serialization;

// ...

[Serializable]
public class EntityNotFoundException : Exception
{
 private const string DefaultMessage = "Entity does not exist.";

ByteDev

using System;
using System.Runtime.Serialization;

// ...

[Serializable]
public class EntityNotFoundException : Exception
{
    private const string DefaultMessage = "Entity does not exist.";

ByteDev

using System;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using NUnit.Framework;

// ...

[TestFixture]
public class EntityNotFoundExceptionTests

ByteDev

using System;
using System.Text.Json;
using System.Text.Json.Serialization;

// ...

public class UnixEpochTimeToDateTimeJsonConverter : JsonConverter<DateTime>
{
 public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)

ByteDev

using System;
using System.Text.Json;
using NUnit.Framework;

// ...

public class TestEntity
{
    [JsonPropertyName("datetime")]

ByteDev

{
  "message": "Resource not found." 
}

{
  "messages": [{
 "code": "2001",

ByteDev

{
  "errors": {
    "customer": [
      "The customer field is required.",
      "The customer field should be uppercase."
    ],
    "orders": [
      "The orders field is required."
 ]

ByteDev

public interface ICustomerApiClient
{
    Task<SearchCustomerResponse> SearchAsync(SearchCustomerRequest request, CancellationToken cancellationToken = default);
}

// ...

public class CustomerApiClient : ICustomerApiClient
{

ByteDev

public async Task<SearchCustomerResponse> SearchAsync(SearchCustomerRequest request, CancellationToken cancellationToken = default)
{
    // make the call to the API and handle the response
    // making sure to pass in the cancellationToken to any async method
}

ByteDev

using System.Text.Json.Serialization;

// ...

public class AddressRequest
{
    [JsonPropertyName("addressId")]
    public int Id { get; set; }