Merge pull request #2479 from DSpace/backport-2366-to-dspace-7_x

[Port dspace-7_x] CSV export fixes

src/app/item-page/simple/related-entities/related-entities-search/related-entities-search.component.html

@@ -2,5 +2,6 @@
   [fixedFilterQuery]="fixedFilter"
   [configuration]="configuration"
   [searchEnabled]="searchEnabled"
-  [sideBarWidth]="sideBarWidth">
+  [sideBarWidth]="sideBarWidth"
+  [showCsvExport]="true">
 </ds-configuration-search-page>

src/app/shared/search/search-export-csv/search-export-csv.component.ts

@@ -94,6 +94,19 @@ export class SearchExportCsvComponent implements OnInit {
           }
         });
       }
+      if (isNotEmpty(this.searchConfig.fixedFilter)) {
+        const fixedFilter = this.searchConfig.fixedFilter.substring(2);
+        const keyAndValue = fixedFilter.split('=');
+        if (keyAndValue.length > 1) {
+          const key = keyAndValue[0];
+          const valueAndOperator = keyAndValue[1].split(',');
+          if (valueAndOperator.length > 1) {
+            const value = valueAndOperator[0];
+            const operator = valueAndOperator[1];
+            parameters.push({name: '-f', value: `${key},${operator}=${value}`});
+          }
+        }
+      }
     }
 
     this.scriptDataService.invoke('metadata-export-search', parameters, []).pipe(