feat: implement GetTemplate for VerifyV2

Vonage.Test/VerifyV2/GetTemplate/Data/ShouldDeserialize200-response.json

@@ -0,0 +1,13 @@
+{
+  "template_id": "8f35a1a7-eb2f-4552-8fdf-fffdaee41bc9",
+  "name": "my-template",
+  "is_default": true,
+  "_links": {
+    "self": {
+      "href": "https://api.nexmo.com/v2/verify/templates/8f35a1a7-eb2f-4552-8fdf-fffdaee41bc9"
+    },
+    "fragments": {
+      "href": "https://api.nexmo.com/v2/verify/templates/8f35a1a7-eb2f-4552-8fdf-fffdaee41bc9/template_fragments"
+    }
+  }
+}

Vonage.Test/VerifyV2/GetTemplate/E2ETest.cs

@@ -0,0 +1,35 @@
+#region
+using System;
+using System.Net;
+using System.Threading.Tasks;
+using Vonage.Test.Common.Extensions;
+using Vonage.VerifyV2.GetTemplate;
+using WireMock.ResponseBuilders;
+using Xunit;
+#endregion
+
+namespace Vonage.Test.VerifyV2.GetTemplate;
+
+[Trait("Category", "E2E")]
+public class E2ETest : E2EBase
+{
+    public E2ETest() : base(typeof(E2ETest).Namespace)
+    {
+    }
+
+    [Fact]
+    public async Task GetTemplate()
+    {
+        this.Helper.Server.Given(WireMock.RequestBuilders.Request.Create()
+                .WithPath("/v2/verify/templates/68c2b32e-55ba-4a8e-b3fa-43b3ae6cd1fb")
+                .WithHeader("Authorization", this.Helper.ExpectedAuthorizationHeaderValue)
+                .UsingGet())
+            .RespondWith(Response.Create()
+                .WithStatusCode(HttpStatusCode.OK)
+                .WithBody(this.Serialization.GetResponseJson(nameof(SerializationTest.ShouldDeserialize200))));
+        await this.Helper.VonageClient.VerifyV2Client
+            .GetTemplateAsync(GetTemplateRequest.Parse(new Guid("68c2b32e-55ba-4a8e-b3fa-43b3ae6cd1fb")))
+            .Should()
+            .BeSuccessAsync(SerializationTest.VerifyExpectedResponse);
+    }
+}

Vonage.Test/VerifyV2/GetTemplate/RequestTest.cs

@@ -0,0 +1,32 @@
+#region
+using System;
+using Vonage.Test.Common.Extensions;
+using Vonage.VerifyV2.GetTemplate;
+using Xunit;
+#endregion
+
+namespace Vonage.Test.VerifyV2.GetTemplate;
+
+[Trait("Category", "Request")]
+public class RequestTest
+{
+    [Fact]
+    public void GetEndpointPath_ShouldReturnApiEndpoint() =>
+        GetTemplateRequest.Parse(new Guid("f3a065af-ac5a-47a4-8dfe-819561a7a287"))
+            .Map(request => request.GetEndpointPath())
+            .Should()
+            .BeSuccess("/v2/verify/templates/f3a065af-ac5a-47a4-8dfe-819561a7a287");
+
+    [Fact]
+    public void Parse_ShouldReturnFailure_GivenRequestIsEmpty() =>
+        GetTemplateRequest.Parse(Guid.Empty)
+            .Should()
+            .BeParsingFailure("TemplateId cannot be empty.");
+
+    [Fact]
+    public void Parse_ShouldReturnSuccess() =>
+        GetTemplateRequest.Parse(new Guid("f3a065af-ac5a-47a4-8dfe-819561a7a287"))
+            .Map(request => request.TemplateId)
+            .Should()
+            .BeSuccess(new Guid("f3a065af-ac5a-47a4-8dfe-819561a7a287"));
+}

Vonage.Test/VerifyV2/GetTemplate/SerializationTest.cs

@@ -0,0 +1,34 @@
+#region
+using System;
+using FluentAssertions;
+using Vonage.Common;
+using Vonage.Serialization;
+using Vonage.Test.Common;
+using Vonage.Test.Common.Extensions;
+using Vonage.VerifyV2;
+using Xunit;
+#endregion
+
+namespace Vonage.Test.VerifyV2.GetTemplate;
+
+[Trait("Category", "Serialization")]
+public class SerializationTest
+{
+    private readonly SerializationTestHelper helper = new SerializationTestHelper(
+        typeof(SerializationTest).Namespace,
+        JsonSerializerBuilder.BuildWithSnakeCase());
+
+    [Fact]
+    public void ShouldDeserialize200() =>
+        this.helper.Serializer
+            .DeserializeObject<Template>(this.helper.GetResponseJson())
+            .Should()
+            .BeSuccess(VerifyExpectedResponse);
+
+    internal static void VerifyExpectedResponse(Template response) =>
+        response.Should().Be(new Template(new Guid("8f35a1a7-eb2f-4552-8fdf-fffdaee41bc9"), "my-template", true,
+            new TemplateLinks(
+                new HalLink(new Uri("https://api.nexmo.com/v2/verify/templates/8f35a1a7-eb2f-4552-8fdf-fffdaee41bc9")),
+                new HalLink(new Uri(
+                    "https://api.nexmo.com/v2/verify/templates/8f35a1a7-eb2f-4552-8fdf-fffdaee41bc9/template_fragments")))));
+}

Vonage.Test/Vonage.Test.csproj

@@ -1319,6 +1319,9 @@
         <None Update="VerifyV2\UpdateTemplate\Data\ShouldDeserialize200-response.json">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </None>
+        <None Update="VerifyV2\GetTemplate\Data\ShouldDeserialize200-response.json">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
     </ItemGroup>
     <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
         <Exec Command="node ../.scripts/init.js"/>

Vonage/VerifyV2/GetTemplate/GetTemplateRequest.cs

@@ -0,0 +1,40 @@
+#region
+using System;
+using System.Net.Http;
+using Vonage.Common.Client;
+using Vonage.Common.Monads;
+using Vonage.Common.Validation;
+#endregion
+
+namespace Vonage.VerifyV2.GetTemplate;
+
+/// <inheritdoc />
+public readonly struct GetTemplateRequest : IVonageRequest
+{
+    /// <summary>
+    ///     ID of the template.
+    /// </summary>
+    public Guid TemplateId { get; private init; }
+
+    /// <inheritdoc />
+    public HttpRequestMessage BuildRequestMessage() => VonageRequestBuilder
+        .Initialize(HttpMethod.Get, this.GetEndpointPath())
+        .Build();
+
+    /// <inheritdoc />
+    public string GetEndpointPath() => $"/v2/verify/templates/{this.TemplateId}";
+
+    /// <summary>
+    ///     Parses the input into a GetTemplateRequest.
+    /// </summary>
+    /// <param name="templateId">The template identifier.</param>
+    /// <returns>A success state with the request if the parsing succeeded. A failure state with an error if it failed.</returns>
+    public static Result<GetTemplateRequest> Parse(Guid templateId) =>
+        Result<GetTemplateRequest>
+            .FromSuccess(new GetTemplateRequest {TemplateId = templateId})
+            .Map(InputEvaluation<GetTemplateRequest>.Evaluate)
+            .Bind(evaluation => evaluation.WithRules(VerifyRequestId));
+
+    private static Result<GetTemplateRequest> VerifyRequestId(GetTemplateRequest templateRequest) =>
+        InputValidation.VerifyNotEmpty(templateRequest, templateRequest.TemplateId, nameof(TemplateId));
+}

Vonage/VerifyV2/IVerifyV2Client.cs

@@ -4,6 +4,7 @@
 using Vonage.VerifyV2.Cancel;
 using Vonage.VerifyV2.CreateTemplate;
 using Vonage.VerifyV2.DeleteTemplate;
+using Vonage.VerifyV2.GetTemplate;
 using Vonage.VerifyV2.NextWorkflow;
 using Vonage.VerifyV2.StartVerification;
 using Vonage.VerifyV2.UpdateTemplate;
@@ -65,4 +66,11 @@ public interface IVerifyV2Client
     /// <param name="request">The request.</param>
     /// <returns>Success or Failure.</returns>
     Task<Result<Template>> UpdateTemplateAsync(Result<UpdateTemplateRequest> request);
+
+    /// <summary>
+    ///     Retrieves a template.
+    /// </summary>
+    /// <param name="request">The request.</param>
+    /// <returns>Success or Failure.</returns>
+    Task<Result<Template>> GetTemplateAsync(Result<GetTemplateRequest> request);
 }

Vonage/VerifyV2/VerifyV2Client.cs

@@ -6,6 +6,7 @@
 using Vonage.VerifyV2.Cancel;
 using Vonage.VerifyV2.CreateTemplate;
 using Vonage.VerifyV2.DeleteTemplate;
+using Vonage.VerifyV2.GetTemplate;
 using Vonage.VerifyV2.NextWorkflow;
 using Vonage.VerifyV2.StartVerification;
 using Vonage.VerifyV2.UpdateTemplate;
@@ -52,4 +53,8 @@ public Task<Result<Unit>> DeleteTemplateAsync(Result<DeleteTemplateRequest> requ
     /// <inheritdoc />
     public Task<Result<Template>> UpdateTemplateAsync(Result<UpdateTemplateRequest> request) =>
         this.vonageClient.SendWithResponseAsync<UpdateTemplateRequest, Template>(request);
+
+    /// <inheritdoc />
+    public Task<Result<Template>> GetTemplateAsync(Result<GetTemplateRequest> request) =>
+        this.vonageClient.SendWithResponseAsync<GetTemplateRequest, Template>(request);
 }