move all models into core

src/Core/Models/Api/Response/FolderResponseModel.cs

@@ -0,0 +1,32 @@
+using System;
+using Bit.Core.Models.Table;
+
+namespace Bit.Core.Models.Api
+{
+    public class FolderResponseModel : ResponseModel
+    {
+        public FolderResponseModel(Cipher cipher, Guid userId)
+            : base("folder")
+        {
+            if(cipher == null)
+            {
+                throw new ArgumentNullException(nameof(cipher));
+            }
+
+            if(cipher.Type != Core.Enums.CipherType.Folder)
+            {
+                throw new ArgumentException(nameof(cipher.Type));
+            }
+
+            var data = new FolderDataModel(cipher);
+
+            Id = cipher.Id.ToString();
+            Name = data.Name;
+            RevisionDate = cipher.RevisionDate;
+        }
+
+        public string Id { get; set; }
+        public string Name { get; set; }
+        public DateTime RevisionDate { get; set; }
+    }
+}