New: v4 API (DROP v3 AFTER TESTING PERIOD)

src/Radarr.Api.V4/DiskSpace/DiskSpaceController.cs

@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Core.DiskSpace;
+using Radarr.Http;
+
+namespace Radarr.Api.V4.DiskSpace
+{
+    [V4ApiController("diskspace")]
+    public class DiskSpaceController : Controller
+    {
+        private readonly IDiskSpaceService _diskSpaceService;
+
+        public DiskSpaceController(IDiskSpaceService diskSpaceService)
+        {
+            _diskSpaceService = diskSpaceService;
+        }
+
+        [HttpGet]
+        public List<DiskSpaceResource> GetFreeSpace()
+        {
+            return _diskSpaceService.GetFreeSpace().ConvertAll(DiskSpaceResourceMapper.MapToResource);
+        }
+    }
+}