Update runner to handle Dotcom/runner-admin based registration flow (#2487)

src/Sdk/DTWebApi/WebApi/RunnerGroup.cs

@@ -0,0 +1,98 @@
+using GitHub.Services.WebApi;
+using System;
+using System.Runtime.Serialization;
+using System.ComponentModel;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using System.Linq;
+
+namespace GitHub.DistributedTask.WebApi
+{
+    /// <summary>
+    /// An organization-level grouping of runners.
+    /// </summary>
+    [DataContract]
+    public class RunnerGroup
+    {
+        internal RunnerGroup()
+        {
+        }
+
+        public RunnerGroup(String name)
+        {
+            this.Name = name;
+        }
+
+        private RunnerGroup(RunnerGroup poolToBeCloned)
+        {
+            this.Id = poolToBeCloned.Id;
+            this.IsHosted = poolToBeCloned.IsHosted;
+            this.Name = poolToBeCloned.Name;
+            this.IsDefault = poolToBeCloned.IsDefault;
+        }
+
+        [DataMember(EmitDefaultValue = false)]
+        [JsonProperty("id")]
+        public Int32 Id
+        {
+            get;
+            set;
+        }
+
+        [DataMember(EmitDefaultValue = false)]
+        [JsonProperty("name")]
+        public String Name
+        {
+            get;
+            set;
+        }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether or not this pool is internal and can't be modified by users
+        /// </summary>
+        [DataMember]
+        [JsonProperty("default")]
+        public bool IsDefault
+        {
+            get;
+            set;
+        }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether or not this pool is managed by the service.
+        /// </summary>
+        [DataMember]
+        [JsonProperty("is_hosted")]
+        public Boolean IsHosted
+        {
+            get;
+            set;
+        }
+    }
+
+    public class RunnerGroupList
+    {
+        public RunnerGroupList()
+        {
+            this.RunnerGroups = new List<RunnerGroup>();
+        }
+
+        public List<TaskAgentPool> ToAgentPoolList()
+        {
+            var agentPools = this.RunnerGroups.Select(x => new TaskAgentPool(x.Name)
+            {
+                Id = x.Id,
+                IsHosted = x.IsHosted,
+                IsInternal = x.IsDefault
+            }).ToList();
+
+            return agentPools;
+        }
+
+        [JsonProperty("runner_groups")]
+        public List<RunnerGroup> RunnerGroups { get; set; }
+
+        [JsonProperty("total_count")]
+        public int Count { get; set; }
+    }
+}