fix pagination, bump version

src/app/pages/admin/voucher-mappings/voucher-mappings.component.ts

@@ -16,10 +16,10 @@ import { AdminVoucherMappingEditDialog } from './voucher-mapping.edit';
 })
 export class AdminVoucherMappingsComponent implements OnInit {
   displayedColumns: string[] = ['id', 'name', 'voucher', 'quota', 'free', 'actions'];
-  dataSource: MatTableDataSource<any>;
-  totalElements = 0;
-  pageSize = 10;
-  pageIndex = 0;
+  
+  voucherMappings: any;
+  page: any = { page: 0, size: 10, sort: "id", desc: false };
+  pageSizeOptions: number[] = [5, 10, 25, 50];
 
   @ViewChild(MatPaginator) paginator!: MatPaginator;
   @ViewChild(MatSort) sort!: MatSort;
@@ -29,7 +29,6 @@ export class AdminVoucherMappingsComponent implements OnInit {
     private i18n: I18nService,
     private dialog: MatDialog
   ) {
-    this.dataSource = new MatTableDataSource();
   }
 
   ngOnInit(): void {
@@ -37,10 +36,9 @@ export class AdminVoucherMappingsComponent implements OnInit {
   }
 
   loadMappings(): void {
-    this.voucherMappingManagementService.getVoucherMappings(this.pageIndex, this.pageSize).subscribe(
+    this.voucherMappingManagementService.getVoucherMappings(this.page.page, this.page.size).subscribe(
       (data: any) => {
-        this.dataSource.data = data.content || data;
-        this.totalElements = data.totalElements || data.length;
+        this.voucherMappings = data;
       },
       error => {
         console.error('Error loading voucher mappings:', error);
@@ -48,15 +46,21 @@ export class AdminVoucherMappingsComponent implements OnInit {
     );
   }
 
-  onPageChange(event: PageEvent): void {
-    this.pageIndex = event.pageIndex;
-    this.pageSize = event.pageSize;
+  updatePages(event: PageEvent): void {
+    this.page.page = event.pageIndex;
+    this.page.size = event.pageSize;
     this.loadMappings();
   }
 
-  onSortChange(sort: any): void {
-    // Sorting can be implemented when backend supports it
-    console.log('Sort change:', sort);
+  updateSort(sort: any): void {
+    if (sort.direction == "") {
+      this.page.sort = "id";
+      this.page.desc = false;
+    } else {
+      this.page.sort = sort.active;
+      this.page.desc = sort.direction == "desc";
+    }
+    this.loadMappings();
   }
 
   deleteMapping(mapping: any): void {