fix(pagination): add missing setCursorBased() method for dynamic change

packages/common/src/services/__tests__/pagination.service.spec.ts

@@ -213,6 +213,17 @@ describe('PaginationService', () => {
   });
 
   describe('goToFirstPage method', () => {
+    it('should be able to change isCursorBased flag by calling setCursorBased()', () => {
+      const spy = jest.spyOn(service, 'processOnPageChanged');
+      service.init(gridStub, mockGridOption.pagination as Pagination, mockGridOption.backendServiceApi);
+
+      service.setCursorBased(true);
+      expect(service.isCursorBased).toBeTruthy();
+
+      service.setCursorBased(false);
+      expect(service.isCursorBased).toBeFalsy();
+    });
+
     it('should expect current page to be 1 and "processOnPageChanged" method to be called', () => {
       const spy = jest.spyOn(service, 'processOnPageChanged');
       service.init(gridStub, mockGridOption.pagination as Pagination, mockGridOption.backendServiceApi);
@@ -306,7 +317,7 @@ describe('PaginationService', () => {
       expect(service.dataFrom).toBe(51);
       expect(service.dataTo).toBe(75);
       expect(service.getCurrentPageNumber()).toBe(3);
-      expect(spy).toHaveBeenCalledWith(3, undefined, {first: 25, after: "c", newPage: 3, pageSize: 25 });
+      expect(spy).toHaveBeenCalledWith(3, undefined, { first: 25, after: "c", newPage: 3, pageSize: 25 });
     });
 
     it('should expect page to increment by 1 and "processOnPageChanged" method NOT to be called', () => {
@@ -356,7 +367,7 @@ describe('PaginationService', () => {
       expect(service.dataFrom).toBe(1);
       expect(service.dataTo).toBe(25);
       expect(service.getCurrentPageNumber()).toBe(1);
-      expect(spy).toHaveBeenCalledWith(1, undefined, {last: 25, before: "b", newPage: 1, pageSize: 25 });
+      expect(spy).toHaveBeenCalledWith(1, undefined, { last: 25, before: "b", newPage: 1, pageSize: 25 });
     });
 
     it('should expect page to decrement by 1 and "processOnPageChanged" method NOT to be called', () => {

packages/common/src/services/pagination.service.ts

@@ -35,6 +35,7 @@ export class PaginationService {
   protected _previousPagination?: Pagination;
   protected _subscriptions: EventSubscription[] = [];
   protected _cursorPageInfo?: CursorPageInfo;
+  protected _isCursorBased = false;
 
   /** SlickGrid Grid object */
   grid!: SlickGrid;
@@ -107,7 +108,7 @@ export class PaginationService {
    *    page3: {startCursor: C, endCursor: D }
    */
   get isCursorBased(): boolean {
-    return !!this._backendServiceApi?.options.isWithCursor;
+    return this._isCursorBased;
   }
 
   addRxJsResource(rxjs: RxJsFacade) {
@@ -121,6 +122,7 @@ export class PaginationService {
     this._paginationOptions = paginationOptions;
     this._isLocalGrid = !backendServiceApi;
     this._pageNumber = paginationOptions.pageNumber || 1;
+    this._isCursorBased = this._backendServiceApi?.options?.isWithCursor ?? false;
 
     if (backendServiceApi && (!backendServiceApi.service || !backendServiceApi.process)) {
       throw new Error(`BackendServiceApi requires the following 2 properties "process" and "service" to be defined.`);
@@ -493,6 +495,10 @@ export class PaginationService {
     }
   }
 
+  setCursorBased(isWithCursor: boolean) {
+    this._isCursorBased = isWithCursor;
+  }
+
   setCursorPageInfo(pageInfo: CursorPageInfo) {
     this._cursorPageInfo = pageInfo;
   }