Add the PDF link to the manifest as part of the manifest generation process

[mark-dce]

ACCEPTANCE

• [x] The manifest for any parent object includes a link to download the full work as a PDF
• [x] When I view the manifest in Universal Viewer, I see a PDF option in the download links
• [x] The link points to https://collections[-environment].library.yale.edu/pdfs/[OID]

ACCEPTANCE NOTE The link does not need to function correctly until ticket #763 - Serve PDFs from a web service, is complete. For acceptance, we only need to validate that the link exists and has the expected form.

NOTE See https://wellcomelibrary.org/iiif/b20417081-0/manifest for an example manifest with downloadable PDF rendering. The main work page is here https://wellcomelibrary.org/item/b20417081#?c=0&m=0&s=0&cv=0&z=-0.6522%2C-0.0828%2C2.3042%2C1.6564

 "sequences": [
    {
      "@id": "https://wellcomelibrary.org/iiif/b20417081-0/sequence/s0",
      "@type": "sc:Sequence",
      "label": "Sequence s0",
      "rendering": [
        {
          "@id": "https://dlcs.io/pdf/wellcome/pdf-item/b20417081/0",
          "format": "application/pdf",
          "label": "Download as PDF"
        },
        {
          "@id": "https://wellcomelibrary.org/service/fulltext/b20417081/0?raw=true",
          "format": "text/plain",
          "label": "Download raw text"
        }
      ],
      "viewingHint": "paged",
      "canvases": [
        {
          "@id": "https://wellcomelibrary.org/iiif/b20417081-0/canvas/c0",
          "@type": "sc:Canvas",
          "label": " - ",
          "thumbnail": {
            "@id": "https://dlcs.io/thumbs/wellcome/5/b20417081_001_0001.jp2/full/67,100/0/default.jpg",
            "@type": "dctypes:Image",

[mikeapp]

Testing the manifest above, it does not show a download link in Mirador 3 (that I can find).

[mikeapp]

Note that Wellcome puts the rendering at the level of the sequence. More expected (and might possibly work in Mirador) is to put it at the root level of the Manifest, per the example in the spec at https://iiif.io/api/presentation/2.1/#c-example-manifest-response

[maxkadel]

Note that Wellcome puts the rendering at the level of the sequence. More expected (and might possibly work in Mirador) is to put it at the root level of the Manifest, per the example in the spec at https://iiif.io/api/presentation/2.1/#c-example-manifest-response

• I tried putting it in the root level of the Manifest, and it did not display in Universal Viewer, whereas it did display when I put it on the sequence.

[mikeapp]

Mirador 3 test shows it is looking at Manifest level (at least):

[mark-dce]

Looks good in UV and Mirador - see https://collections-uat.library.yale.edu/catalog/12222098