Merge pull request #878 from dlcs/fix/thumbs_viewer_uses_v3

Update Portal thumbnail viewer to request IIIF Image3 thumbnails

src/protagonist/Portal/Features/Spaces/Requests/GetImage.cs

@@ -6,11 +6,13 @@
 using System.Threading.Tasks;
 using API.Client;
 using DLCS.Core.Collections;
+using DLCS.Core.Settings;
 using DLCS.HydraModel;
 using DLCS.Web.Auth;
 using IIIF.ImageApi.V3;
 using MediatR;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 
 namespace Portal.Features.Spaces.Requests;
 
@@ -31,14 +33,17 @@ public class GetImageHandler : IRequestHandler<GetImage, GetImageResult?>
 {
     private readonly ILogger<GetImageHandler> logger;
     private readonly IDlcsClient dlcsClient;
+    private readonly DlcsSettings dlcsSettings;
     private readonly HttpClient httpClient;
     private readonly string customerId;
 
-    public GetImageHandler(IDlcsClient dlcsClient, HttpClient httpClient, ILogger<GetImageHandler> logger, ClaimsPrincipal currentUser)
+    public GetImageHandler(IDlcsClient dlcsClient, HttpClient httpClient, ILogger<GetImageHandler> logger,
+        ClaimsPrincipal currentUser, IOptions<DlcsSettings> dlcsSettings)
     {
         this.logger = logger;
         this.dlcsClient = dlcsClient;
         this.httpClient = httpClient;
+        this.dlcsSettings = dlcsSettings.Value;
         customerId = (currentUser.GetCustomerId() ?? -1).ToString();
     }
 
@@ -67,11 +72,9 @@ public GetImageHandler(IDlcsClient dlcsClient, HttpClient httpClient, ILogger<Ge
 
     private async Task<ImageService3?> GetImageThumbnailService(Image image)
     {
-        if (image.ThumbnailImageService.IsNullOrEmpty()) return null;
-
         try
         {
-            var response = await httpClient.GetAsync($"{image.ThumbnailImageService}/info.json");
+            var response = await httpClient.GetAsync($"{dlcsSettings.ResourceRoot}thumbs/v3/{customerId}/{image.Space}/{image.ModelId}/info.json");
             if (!response.IsSuccessStatusCode) return null;
             return await response.Content.ReadFromJsonAsync<ImageService3>();
         }

src/protagonist/Portal/Pages/Images/Index.cshtml.cs

@@ -57,7 +57,7 @@ public async Task<IActionResult> OnGetAsync(int space, string image)
 
     public string CreateSrc(Size size)
     {
-        return $"{Image.ThumbnailImageService}/full/{size.Width},{size.Height}/0/default.jpg";
+        return $"{dlcsSettings.ResourceRoot}thumbs/v3/{Customer}/{Image.Space}/{Image.ModelId}/full/{size.Width},{size.Height}/0/default.jpg";
     }
 
     public string CreateUniversalViewerUrl(string singleAssetManifest)