st andrews manifest fix

__tests__/presentation-2-parser/upgrade.test.ts

@@ -33,6 +33,7 @@ import stanfordManifest from '../../fixtures/presentation-2/stanford-manifest.js
 import goettingen from '../../fixtures/presentation-2/uni-goettingen.json';
 import villanovaManifest from '../../fixtures/presentation-2/villanova-manifest.json';
 import wikimediaProxy from '../../fixtures/presentation-2/wikimedia-proxy.json';
+import malformedImageAnnotation from '../../fixtures/presentation-2/malformed-image-annotation.json';
 import { convertPresentation2, presentation2to3 } from '../../src/presentation-2';
 
 describe('Presentation 2 to 3', () => {
@@ -2615,4 +2616,24 @@ describe('Presentation 2 to 3', () => {
       }
     `);
   });
+
+  test('Malformed annotation with dctypes:Image instead of oa:Annotation', () => {
+    // Some manifests (e.g., St. Andrews) have @type: "dctypes:Image" on annotations
+    // instead of the correct @type: "oa:Annotation". The converter should fix this.
+    const result = presentation2to3.traverseManifest(malformedImageAnnotation as any);
+    const isValid = validator.validateManifest(result);
+
+    expect(validator.validators.manifest!.errors).toEqual(null);
+    expect(isValid).toEqual(true);
+
+    // Verify the annotation was correctly converted
+    const canvas = result.items?.[0];
+    const annotationPage = canvas?.items?.[0];
+    const annotation = annotationPage?.items?.[0];
+
+    expect(annotation).toBeDefined();
+    expect(annotation?.type).toEqual('Annotation');
+    expect(annotation?.motivation).toEqual('painting');
+    expect(annotation?.body).toBeDefined();
+  });
 });

fixtures/presentation-2/malformed-image-annotation.json

@@ -0,0 +1,39 @@
+{
+  "@context": "http://iiif.io/api/presentation/2/context.json",
+  "@type": "sc:Manifest",
+  "@id": "https://example.org/manifest",
+  "label": "Test manifest with malformed annotation @type",
+  "sequences": [
+    {
+      "@type": "sc:Sequence",
+      "canvases": [
+        {
+          "@type": "sc:Canvas",
+          "@id": "https://example.org/canvas/1",
+          "label": "Canvas 1",
+          "width": 1000,
+          "height": 800,
+          "images": [
+            {
+              "@type": "dctypes:Image",
+              "motivation": "sc:painting",
+              "on": "https://example.org/canvas/1",
+              "resource": {
+                "@type": "dctypes:Image",
+                "@id": "https://example.org/image/1/full/full/0/default.jpg",
+                "format": "image/jpeg",
+                "width": 1000,
+                "height": 800,
+                "service": {
+                  "@context": "http://iiif.io/api/image/2/context.json",
+                  "@id": "https://example.org/image/1",
+                  "profile": "http://iiif.io/api/image/2/level1.json"
+                }
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

src/presentation-2/traverse.ts

@@ -261,7 +261,14 @@ export class Traverse<
 
   traverseCanvasItems(canvas: Canvas): Canvas {
     if (canvas.images) {
-      canvas.images = canvas.images.map((image) => this.traverseAnnotation(image));
+      canvas.images = canvas.images.map((image) => {
+        // Fix malformed annotations where @type is missing or incorrect (e.g., "dctypes:Image" instead of "oa:Annotation").
+        // Detect by presence of "on" property which is unique to annotations.
+        if (image.on && image['@type'] !== 'oa:Annotation' && image['@type'] !== 'Annotation') {
+          image['@type'] = 'oa:Annotation';
+        }
+        return this.traverseAnnotation(image);
+      });
     }
     if (canvas.otherContent) {
       canvas.otherContent = canvas.otherContent.map((annotationList) => this.traverseAnnotationList(annotationList));