(GH-220) Add the contact center resource

Source/ZoomNet/IZoomClient.cs

@@ -32,6 +32,14 @@ public interface IZoomClient
 		/// </value>
 		ICloudRecordings CloudRecordings { get; }
 
+		/// <summary>
+		/// Gets the resource which allows you to manage access to data on Zoom Contact Center.
+		/// </summary>
+		/// <value>
+		/// The contact center resource.
+		/// </value>
+		IContactCenter ContactCenter { get; }
+
 		/// <summary>
 		/// Gets the resource which allows you to manage contacts.
 		/// </summary>

Source/ZoomNet/Resources/ContactCenter.cs

@@ -0,0 +1,62 @@
+using Pathoschild.Http.Client;
+using System;
+using System.Text.Json.Nodes;
+using System.Threading;
+using System.Threading.Tasks;
+using ZoomNet.Models;
+
+namespace ZoomNet.Resources
+{
+	/// <summary>
+	/// Allows you to manage data on the Zoom Contact Center.
+	/// </summary>
+	/// <seealso cref="ZoomNet.Resources.IContactCenter" />
+	/// <remarks>
+	/// See <a href="https://marketplace.zoom.us/docs/api-reference/contact-center/methods/">Zoom documentation</a> for more information.
+	/// </remarks>
+	public class ContactCenter : IContactCenter
+	{
+		private readonly Pathoschild.Http.Client.IClient _client;
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="ContactCenter" /> class.
+		/// </summary>
+		/// <param name="client">The HTTP client.</param>
+		internal ContactCenter(Pathoschild.Http.Client.IClient client)
+		{
+			_client = client;
+		}
+
+		/// <inheritdoc/>
+		public Task<PaginatedResponseWithToken<Contact>> SearchUserProfilesAsync(string keyword, int recordsPerPage = 30, string pagingToken = null, CancellationToken cancellationToken = default)
+		{
+			if (recordsPerPage < 1 || recordsPerPage > 300)
+			{
+				throw new ArgumentOutOfRangeException(nameof(recordsPerPage), "Records per page must be between 1 and 300");
+			}
+
+			return _client
+				.GetAsync($"contacts")
+				.WithArgument("search_key", keyword)
+				.WithArgument("page_size", recordsPerPage)
+				.WithArgument("next_page_token", pagingToken)
+				.WithCancellationToken(cancellationToken)
+				.AsPaginatedResponseWithToken<Contact>("users");
+		}
+
+		/// <inheritdoc/>
+		public Task<User> CreateUserAsync(string email, CancellationToken cancellationToken = default)
+		{
+			var data = new JsonObject
+			{
+				{ "user_email", email },
+			};
+
+			return _client
+				.PostAsync("contact_center/users")
+				.WithJsonBody(data)
+				.WithCancellationToken(cancellationToken)
+				.AsObject<User>();
+		}
+	}
+}

Source/ZoomNet/Resources/IContactCenter.cs

@@ -0,0 +1,37 @@
+using System.Threading;
+using System.Threading.Tasks;
+using ZoomNet.Models;
+
+namespace ZoomNet.Resources
+{
+	/// <summary>
+	/// Allows you to manage data on the Zoom Contact Center.
+	/// </summary>
+	/// <remarks>
+	/// See <a href="https://marketplace.zoom.us/docs/api-reference/zoom-api/contacts/">Zoom documentation</a> for more information.
+	/// </remarks>
+	public interface IContactCenter
+	{
+		/// <summary>
+		/// Search users and their information.
+		/// </summary>
+		/// <param name="keyword">The search keyword: either email address or username.</param>
+		/// <param name="recordsPerPage">The number of records returned within a single API call.</param>
+		/// <param name="pagingToken">The paging token.</param>
+		/// <param name="cancellationToken">The cancellation token.</param>
+		/// <returns>
+		/// An array of <see cref="Contact">contacts</see>.
+		/// </returns>
+		Task<PaginatedResponseWithToken<Contact>> SearchUserProfilesAsync(string keyword, int recordsPerPage = 30, string pagingToken = null, CancellationToken cancellationToken = default);
+
+		/// <summary>
+		/// Creates a user.
+		/// </summary>
+		/// <param name="email">The email address.</param>
+		/// <param name="cancellationToken">The cancellation token.</param>
+		/// <returns>
+		/// The new user.
+		/// </returns>
+		Task<User> CreateUserAsync(string email, CancellationToken cancellationToken = default);
+	}
+}

Source/ZoomNet/ZoomClient.cs

@@ -80,6 +80,9 @@ public static string Version
 		/// </value>
 		public ICloudRecordings CloudRecordings { get; private set; }
 
+		/// <inheritdoc/>
+		public IContactCenter ContactCenter { get; private set; }
+
 		/// <summary>
 		/// Gets the resource which allows you to manage contacts.
 		/// </summary>
@@ -247,6 +250,7 @@ private ZoomClient(IConnectionInfo connectionInfo, HttpClient httpClient, bool d
 			Accounts = new Accounts(_fluentClient);
 			Chat = new Chat(_fluentClient);
 			CloudRecordings = new CloudRecordings(_fluentClient);
+			ContactCenter = new ContactCenter(_fluentClient);
 			Contacts = new Contacts(_fluentClient);
 			DataCompliance = new DataCompliance(_fluentClient);
 			Meetings = new Meetings(_fluentClient);