Add file set as=iiif route handling - WIP

api/src/api/response/iiif/canvas.js

@@ -0,0 +1,18 @@
+const { dcApiEndpoint, dcUrl } = require("../../../environment");
+const { transformError } = require("../error");
+
+async function transform(response) {
+  if (response.statusCode === 200) {
+    const responseBody = JSON.parse(response.body);
+    return {
+      statusCode: 200,
+      headers: {
+        "content-type": "application/json",
+      },
+      body: "IIIF canvas response not yet implemented",
+    };
+  }
+  return transformError(response);
+}
+
+module.exports = { transform };

api/src/handlers/get-file-set-by-id.js

@@ -1,6 +1,8 @@
 const { wrap } = require("./middleware");
 const { getFileSet } = require("../api/opensearch");
 const opensearchResponse = require("../api/response/opensearch");
+const canvasResponse = require("../api/response/iiif/canvas");
+const { transform } = require("lodash");
 
 /**
  * A simple function to get a FileSet by id
@@ -11,5 +13,18 @@
     event.userToken.isSuperUser() || event.userToken.isReadingRoom();
   const allowUnpublished = event.userToken.isSuperUser();
   const esResponse = await getFileSet(id, { allowPrivate, allowUnpublished });
+  const as = event.queryStringParameters?.as;
+
+
+  if (as && as === "iiif") {
+    return await canvasResponse.transform(esResponse, {
+      allowPrivate,
+      allowUnpublished,
+    });
+  }
+
+
+
+
   return await opensearchResponse.transform(esResponse);
-});
+});