Merged in task/dspace-cris-2023_02_x/DSC-2262 (pull request DSpace#2985)

[DSC-2262] fix search filters taking only the first filter for each key

Approved-by: Francesco Molinaro

Author: Andrea Barbasso

src/app/core/itemexportformat/item-export-format.service.spec.ts

@@ -115,7 +115,7 @@ describe('ItemExportFormatService', () => {
       const searchOptions = new PaginatedSearchOptions({
         query: 'queryX',
         filters: [
-          new SearchFilter('f.name', ['nameX']),
+          new SearchFilter('f.name', ['nameX', 'nameY']),
           new SearchFilter('f.type', ['typeX']),
           new SearchFilter('other.name', ['nameY'])
         ],
@@ -128,7 +128,7 @@ describe('ItemExportFormatService', () => {
         Object.assign(new ProcessParameter(), { name: '-f', value: 'publication-xml' }),
         Object.assign(new ProcessParameter(), { name: '-t', value: 'Publication' }),
         Object.assign(new ProcessParameter(), { name: '-q', value: 'queryX' }),
-        Object.assign(new ProcessParameter(), { name: '-sf', value: 'name=nameX&type=typeX' }),
+        Object.assign(new ProcessParameter(), { name: '-sf', value: 'name=nameX&name=nameY&type=typeX' }),
         Object.assign(new ProcessParameter(), { name: '-s', value: 'scopeX' }),
         Object.assign(new ProcessParameter(), { name: '-c', value: 'configurationX' }),
         Object.assign(new ProcessParameter(), { name: '-so', value: 'fieldX,ASC' }),

src/app/core/itemexportformat/item-export-format.service.ts

@@ -192,7 +192,10 @@ export class ItemExportFormatService extends IdentifiableDataService<ItemExportF
     if (searchOptions.filters && searchOptions.filters.length > 0) {
       const value = searchOptions.filters
         .filter((searchFilter) => searchFilter.key.includes('f.'))
-        .map((searchFilter) => searchFilter.key.replace('f.', '') + '=' + searchFilter.values[0])
+        .map((searchFilter) => {
+          const key = searchFilter.key.replace('f.', '');
+          return searchFilter.values.map((filterValue) => `${key}=${filterValue}`).join('&');
+        })
         .join('&');
       return [...parameterValues, Object.assign(new ProcessParameter(), { name: '-sf', value })];
     }