Added the Client method to get a zone

src/CloudFlare.NET/CloudFlareClient.cs

@@ -36,6 +36,15 @@ public Task<IReadOnlyList<Zone>> GetZonesAsync(CancellationToken cancellationTok
             return Client.GetZonesAsync(cancellationToken, auth);
         }
 
+        /// <inheritdoc/>
+        public Task<Zone> GetZoneAsync(
+            IdentifierTag zoneId,
+            CancellationToken cancellationToken,
+            CloudFlareAuth auth = null)
+        {
+            return Client.GetZoneAsync(zoneId, cancellationToken, auth);
+        }
+
         /// <inheritdoc/>
         public Task<IReadOnlyList<DnsRecord>> GetDnsRecordsAsync(
             IdentifierTag zoneId,

src/CloudFlare.NET/DnsRecordClientExtensions.cs

@@ -3,7 +3,6 @@
     using System;
     using System.Collections.Generic;
     using System.Linq;
-    using System.Text;
     using System.Threading;
     using System.Threading.Tasks;
 
@@ -15,7 +14,7 @@ public static class DnsRecordClientExtensions
         /// <summary>
         /// Gets the zones for the subscription.
         /// </summary>
-        /// <returns>The zones for the subscription.</returns>
+        /// <seealso href="https://api.cloudflare.com/#dns-records-for-a-zone-list-dns-records"/>
         public static Task<IReadOnlyList<DnsRecord>> GetDnsRecordsAsync(
             this IDnsRecordClient client,
             IdentifierTag zoneId,

src/CloudFlare.NET/HttpClientDnsRecordExtensions.cs

@@ -16,6 +16,7 @@ public static class HttpClientDnsRecordExtensions
         /// <summary>
         /// Gets the zones for the account specified by the <paramref name="auth"/> details.
         /// </summary>
+        /// <seealso href="https://api.cloudflare.com/#dns-records-for-a-zone-list-dns-records"/>
         public static async Task<IReadOnlyList<DnsRecord>> GetDnsRecordsAsync(
             this HttpClient client,
             IdentifierTag zoneId,

src/CloudFlare.NET/HttpClientZoneExtensions.cs

@@ -14,32 +14,60 @@
     public static class HttpClientZoneExtensions
     {
         /// <summary>
-        /// Gets the base address of the CloudFlare API.
+        /// Gets the zones for the account specified by the <paramref name="auth"/> details.
         /// </summary>
-        public static Uri ZonesUri { get; } = new Uri(CloudFlareConstants.BaseUri, "zones");
+        /// <seealso href="https://api.cloudflare.com/#zone-list-zones"/>
+        public static async Task<IReadOnlyList<Zone>> GetZonesAsync(
+            this HttpClient client,
+            CancellationToken cancellationToken,
+            CloudFlareAuth auth)
+        {
+            if (client == null)
+                throw new ArgumentNullException(nameof(client));
+            if (auth == null)
+                throw new ArgumentNullException(nameof(auth));
+
+            Uri uri = new Uri(CloudFlareConstants.BaseUri, "zones");
+            var request = new HttpRequestMessage(HttpMethod.Get, uri);
+            request.AddAuth(auth);
+
+            HttpResponseMessage response =
+                await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken)
+                    .ConfigureAwait(false);
+
+            return (await response
+                .GetResultAsync<IReadOnlyList<Zone>>(cancellationToken)
+                .ConfigureAwait(false))
+                .Result;
+        }
 
         /// <summary>
         /// Gets the zones for the account specified by the <paramref name="auth"/> details.
         /// </summary>
-        public static async Task<IReadOnlyList<Zone>> GetZonesAsync(
+        /// <seealso href="https://api.cloudflare.com/#zone-zone-details"/>
+        public static async Task<Zone> GetZoneAsync(
             this HttpClient client,
+            IdentifierTag zoneId,
             CancellationToken cancellationToken,
             CloudFlareAuth auth)
         {
             if (client == null)
                 throw new ArgumentNullException(nameof(client));
+            if (zoneId == null)
+                throw new ArgumentNullException(nameof(zoneId));
             if (auth == null)
                 throw new ArgumentNullException(nameof(auth));
 
-            var request = new HttpRequestMessage(HttpMethod.Get, ZonesUri);
+            Uri uri = new Uri(CloudFlareConstants.BaseUri, $"zones/{zoneId}");
+            var request = new HttpRequestMessage(HttpMethod.Get, uri);
             request.AddAuth(auth);
 
             HttpResponseMessage response =
                 await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken)
                     .ConfigureAwait(false);
 
             return (await response
-                .GetResultAsync<IReadOnlyList<Zone>>(cancellationToken)
+                .GetResultAsync<Zone>(cancellationToken)
                 .ConfigureAwait(false))
                 .Result;
         }

src/CloudFlare.NET/IZoneClient.cs

@@ -15,7 +15,13 @@ public interface IZoneClient
         /// <summary>
         /// Gets the zones for the subscription.
         /// </summary>
-        /// <returns>The zones for the subscription.</returns>
+        /// <seealso href="https://api.cloudflare.com/#zone-list-zones"/>
         Task<IReadOnlyList<Zone>> GetZonesAsync(CancellationToken cancellationToken, CloudFlareAuth auth = null);
+
+        /// <summary>
+        /// Gets the zone with the specified <paramref name="zoneId"/>.
+        /// </summary>
+        /// <seealso href="https://api.cloudflare.com/#zone-zone-details"/>
+        Task<Zone> GetZoneAsync(IdentifierTag zoneId, CancellationToken cancellationToken, CloudFlareAuth auth);
     }
 }

src/CloudFlare.NET/ZoneClientExtensions.cs

@@ -14,13 +14,30 @@ public static class ZoneClientExtensions
         /// <summary>
         /// Gets the zones for the subscription.
         /// </summary>
-        /// <returns>The zones for the subscription.</returns>
+        /// <seealso href="https://api.cloudflare.com/#zone-list-zones"/>
         public static Task<IReadOnlyList<Zone>> GetZonesAsync(this IZoneClient client, CloudFlareAuth auth = null)
         {
             if (client == null)
                 throw new ArgumentNullException(nameof(client));
 
             return client.GetZonesAsync(CancellationToken.None, auth);
         }
+
+        /// <summary>
+        /// Gets the zones for the subscription.
+        /// </summary>
+        /// <seealso href="https://api.cloudflare.com/#zone-zone-details"/>
+        public static Task<Zone> GetZoneAsync(
+            this IZoneClient client,
+            IdentifierTag zoneId,
+            CloudFlareAuth auth = null)
+        {
+            if (zoneId == null)
+                throw new ArgumentNullException(nameof(zoneId));
+            if (client == null)
+                throw new ArgumentNullException(nameof(client));
+
+            return client.GetZoneAsync(zoneId, CancellationToken.None, auth);
+        }
     }
 }

src/Tests/CloudFlare.NET.Tests/ZoneClientExtensionsSpec.cs

@@ -34,4 +34,29 @@ public class When_getting_zones : FixtureContext
 
         It should_return_the_zones = () => _actual.ShouldBeTheSameAs(_expected);
     }
+
+    [Subject(typeof(ZoneClientExtensions))]
+    public class When_getting_a_zone : FixtureContext
+    {
+        static Mock<IZoneClient> _zoneClientMock;
+        static IdentifierTag _zoneId;
+        static CloudFlareAuth _auth;
+        static Zone _expected;
+        static Zone _actual;
+
+        Establish context = () =>
+        {
+            _zoneClientMock = _fixture.Create<Mock<IZoneClient>>();
+            _auth = _fixture.Create<CloudFlareAuth>();
+            _expected = _fixture.Create<Zone>();
+            _zoneId = _expected.Id;
+            _zoneClientMock
+                .Setup(c => c.GetZoneAsync(_zoneId, CancellationToken.None, _auth))
+                .ReturnsAsync(_expected);
+        };
+
+        Because of = () => _actual = _zoneClientMock.Object.GetZoneAsync(_zoneId, _auth).Await();
+
+        It should_return_the_zones = () => _actual.ShouldBeTheSameAs(_expected);
+    }
 }