Add Helpers.PopulateObjects to create a list of Things with a WebAgent

Author: chasedog

RedditSharp/Helpers/Helpers.PopulateObject.cs

@@ -1,6 +1,9 @@
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using System;
+using System.Collections.Generic;
+using System.Linq;
+using RedditSharp.Interfaces;
 
 namespace RedditSharp
 {

RedditSharp/Helpers/Helpers.PopulateObjects.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json.Linq;
+using RedditSharp.Interfaces;
+
+namespace RedditSharp
+{
+    public partial class Helpers
+    {
+        internal static List<T> PopulateObjects<T>(JToken json, IWebAgent webAgent)
+            where T : ISettableWebAgent, new()
+        {
+            if (json.Type != JTokenType.Array)
+                throw new ArgumentException("must be of type array", nameof(json));
+
+            var objects = new List<T>();
+
+            for (var i = 0; i < json.Count(); i++)
+            {
+                var item = new T();
+                PopulateObject(json[i], item);
+                item.WebAgent = webAgent;
+                objects.Add(item);
+            }
+
+            return objects;
+        }
+    }
+}

RedditSharp/Interfaces/ISettableWebAgent.cs

@@ -0,0 +1,10 @@
+using Newtonsoft.Json;
+
+namespace RedditSharp.Interfaces
+{
+    internal interface ISettableWebAgent
+    {
+        [JsonIgnore]
+        IWebAgent WebAgent { set; }
+    }
+}