Ticket#10611 google scholar

src/app/app-routing-paths.ts

@@ -1,3 +1,4 @@
+import { Observable, from } from 'rxjs';
 import { getCollectionPageRoute } from './collection-page/collection-page-routing-paths';
 import { getCommunityPageRoute } from './community-page/community-page-routing-paths';
 import { Collection } from './core/shared/collection.model';
@@ -22,6 +23,16 @@ export function getBitstreamModuleRoute() {
   return `/${BITSTREAM_MODULE_PATH}`;
 }
 
+export function getBitstreamRoute(item, bitstream): Observable<string> {
+  const name = (bitstream.metadata["dc.description"] && bitstream.metadata["dc.description"][0] ? bitstream.metadata["dc.description"][0].value : item._name)
+  .split('')
+  .map(char => ['!', '#', '$', '%', '&', '(', ')', '*', '+', ',', '/', ':', ';', '=', '?', '@', '[', ']', ' ', '\''].includes(char) ? '_' : char)
+  .join('');
+  return from(fetch(bitstream._links.self.href)
+    .then(response => response.json())
+    .then(data => `/${LEGACY_BITSTREAM_MODULE_PATH}/handle/${item.handle}/${name}.pdf?sequence=${data.sequenceId}`));
+}
+
 export function getBitstreamDownloadRoute(bitstream): string {
   return new URLCombiner(getBitstreamModuleRoute(), bitstream.uuid, 'download').toString();
 }

src/app/bitstream-page/legacy-bitstream-url-redirect.guard.ts

@@ -37,7 +37,7 @@ export const legacyBitstreamURLRedirectGuard: CanActivateFn = (
   const filename = route.params.filename;
   let sequenceId = route.params.sequence_id;
   if (hasNoValue(sequenceId)) {
-    sequenceId = route.queryParams.sequenceId;
+    sequenceId = route.queryParams.sequence;
   }
   return bitstreamDataService.findByItemHandle(
     `${prefix}/${suffix}`,

src/app/core/data/bitstream-data.service.ts

@@ -195,7 +195,7 @@ export class BitstreamDataService extends IdentifiableDataService<Bitstream> imp
     const searchParams = [];
     searchParams.push(new RequestParam('handle', handle));
     if (hasValue(sequenceId)) {
-      searchParams.push(new RequestParam('sequenceId', sequenceId));
+      searchParams.push(new RequestParam('sequence', sequenceId));
     }
     if (hasValue(filename)) {
       searchParams.push(new RequestParam('filename', filename));