Merge pull request #747 from rocket-admin/backurl-sessionstorage

save back url and filters in session storage

frontend/src/app/services/table-state.service.ts

@@ -10,28 +10,46 @@ export class TableStateService {
   private selectedRowSubject = new BehaviorSubject<any>(null);
   cast = this.selectedRowSubject.asObservable();
 
-  private backUrlFilters: any;
-  private backUrlParams: any;
+  // private backUrlFilters: any;
+  // private backUrlParams: any;
 
-  setBackUrlParams(pageIndex, pageSize, sortField, sortDirection) {
-    this.backUrlParams = {
+  private getSessionStorageItem(key: string) {
+    const item = sessionStorage.getItem(key);
+    if (item) {
+      try {
+        return JSON.parse(item);
+      } catch (e) {
+        console.error(`Error parsing JSON from sessionStorage for key "${key}":`, e);
+        return null;
+      }
+    }
+    return null;
+  }
+
+  private setSessionStorageItem(key: string, value: any) {
+    sessionStorage.setItem(key, JSON.stringify(value));
+  }
+
+  setBackUrlParams(pageIndex: number, pageSize: number, sortField: string, sortDirection: string) {
+    const params = {
       page_index: pageIndex,
       page_size: pageSize,
       sort_active: sortField,
       sort_direction: sortDirection
     };
+    this.setSessionStorageItem('backUrlParams', params);
   }
 
   getBackUrlParams() {
-    return this.backUrlParams;
+    return this.getSessionStorageItem('backUrlParams');
   }
 
   setBackUrlFilters(filters: any) {
-    this.backUrlFilters = filters;
+    this.setSessionStorageItem('backUrlFilters', filters);
   }
 
   getBackUrlFilters() {
-    return this.backUrlFilters;
+    return this.getSessionStorageItem('backUrlFilters');
   }
 
   selectRow(row: TableRow) {