prepping repo collaborators client

Octokit/Clients/RepoCollaboratorsClient.cs

@@ -0,0 +1,44 @@
+#if NET_45
+using System.Collections.Generic;
+#endif
+using System.Diagnostics.CodeAnalysis;
+using System.Threading.Tasks;
+
+namespace Octokit
+{
+    /// <summary>
+    /// A client for GitHub's Collaborators on a Repository.
+    /// </summary>
+    /// <remarks>
+    /// See the <a href="http://developer.github.com/v3/repos/collaborators/">Collaborators API documentation</a> for more details.
+    /// </remarks>
+    public class RepoCollaboratorsClient : ApiClient, IRepoCollaboratorsClient
+    {
+        /// <summary>
+        /// Initializes a new GitHub Repo Collaborators API client.
+        /// </summary>
+        /// <param name="apiConnection">An API connection.</param>
+        public RepoCollaboratorsClient(IApiConnection apiConnection)
+            : base(apiConnection)
+        {
+        }
+
+        /// <summary>
+        /// Gets all the collaborators on a repository.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="http://developer.github.com/v3/repos/collaborators/#list">API documentation</a> for more information.
+        /// </remarks>
+        /// <exception cref="ApiException">Thrown when a general API error occurs.</exception>
+        /// <returns>A <see cref="IReadOnlyPagedCollection{User}"/> of <see cref="User"/>.</returns>
+        public Task<IReadOnlyList<User>> GetAll(string owner, string repo)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
+            Ensure.ArgumentNotNullOrEmptyString(repo, "repo");
+
+            var endpoint = "repos/{0}/{1}/collaborators".FormatUri(owner, repo);
+
+            return ApiConnection.GetAll<User>(endpoint);
+        }
+    }
+}