fix(filters): Grid State filters should always include an operator

src/app/modules/angular-slickgrid/models/filter.interface.ts

@@ -20,15 +20,21 @@ export interface Filter {
   /** SlickGrid grid object */
   grid: any;
 
-  /** Array of defined search terms to pre-load */
-  searchTerms?: SearchTerm[];
+  /** The default search operator for the filter when not provided */
+  defaultOperator?: OperatorString | OperatorType;
 
   /** The search operator for the filter */
   operator: OperatorType | OperatorString;
 
-  /** You can use "params" to pass any types of arguments to your Filter */
+  /** You can use "params" to pass any generic arguments to your Filter */
   params?: any | any[];
 
+  /** Array of defined search terms to pre-load */
+  searchTerms?: SearchTerm[];
+
+  // --
+  // public functions
+
   /** Filter class initialization, executed by the FilterService right after creating the Filter */
   init: (args: FilterArguments, isFilterFirstRender?: boolean) => void;
 
@@ -42,5 +48,5 @@ export interface Filter {
   getValues?: () => SearchTerm | SearchTerm[] | undefined;
 
   /** Set value(s) on the DOM element */
-  setValues: (values: SearchTerm | SearchTerm[] | undefined) => void;
+  setValues: (values: SearchTerm | SearchTerm[] | undefined, operator?: OperatorType | OperatorString) => void;
 }

src/app/modules/angular-slickgrid/services/__tests__/filter.service.spec.ts

@@ -8,18 +8,19 @@ import { of, throwError } from 'rxjs';
 import {
   BackendService,
   Column,
+  ColumnFilters,
   CurrentFilter,
+  FieldType,
   GridMenuItem,
   GridOption,
-  FieldType,
   MenuCommandItem,
   SlickEventHandler,
 } from '../../models';
 import { Filters } from '../../filters';
 import { FilterService } from '../filter.service';
 import { FilterFactory } from '../../filters/filterFactory';
 import { SharedService } from '../shared.service';
-import { SlickgridConfig, CollectionService } from '../..';
+import { CollectionService, SlickgridConfig } from '../../index';
 import * as utilities from '../../services/backend-utilities';
 
 const mockRefreshBackendDataset = jest.fn();
@@ -1361,11 +1362,11 @@ describe('FilterService', () => {
         gridStub.onHeaderRowCellRendered.notify(mockArgs1, new Slick.EventData(), gridStub);
         gridStub.onHeaderRowCellRendered.notify(mockArgs2, new Slick.EventData(), gridStub);
 
-        const columnFilters = { file: { columnDef: mockColumn1, columnId: 'file', searchTerms: ['map'] } };
+        const columnFilters = { file: { columnDef: mockColumn1, columnId: 'file', operator: 'Contains', searchTerms: ['map'] } };
         service.updateFilters([{ columnId: 'file', operator: '', searchTerms: ['map'] }], true, true, true);
         const output = service.customLocalFilter(mockItem1, { dataView: dataViewStub, grid: gridStub, columnFilters });
 
-        expect(spyRxjs).toHaveBeenCalledWith([{ columnId: 'file', searchTerms: ['map',] }]);
+        expect(spyRxjs).toHaveBeenCalledWith([{ columnId: 'file', operator: 'Contains', searchTerms: ['map',] }]);
         expect(output).toBe(true);
         expect(preFilterSpy).toHaveBeenCalledWith(dataset, columnFilters);
         expect(preFilterSpy).toHaveReturnedWith([21, 4, 5]);
@@ -1385,11 +1386,11 @@ describe('FilterService', () => {
         gridStub.onHeaderRowCellRendered.notify(mockArgs1, new Slick.EventData(), gridStub);
         gridStub.onHeaderRowCellRendered.notify(mockArgs2, new Slick.EventData(), gridStub);
 
-        const columnFilters = { file: { columnDef: mockColumn1, columnId: 'file', searchTerms: ['map'] } };
+        const columnFilters = { file: { columnDef: mockColumn1, columnId: 'file', operator: 'Contains', searchTerms: ['map'] } };
         service.updateFilters([{ columnId: 'file', operator: '', searchTerms: ['map'] }], true, true, true);
         const output = service.customLocalFilter(mockItem1, { dataView: dataViewStub, grid: gridStub, columnFilters });
 
-        expect(spyRxjs).toHaveBeenCalledWith([{ columnId: 'file', searchTerms: ['map',] }]);
+        expect(spyRxjs).toHaveBeenCalledWith([{ columnId: 'file', operator: 'Contains', searchTerms: ['map',] }]);
         expect(output).toBe(false);
         expect(preFilterSpy).toHaveBeenCalledWith(dataset, columnFilters);
         expect(preFilterSpy).toHaveReturnedWith([21, 4, 5]);
@@ -1409,13 +1410,13 @@ describe('FilterService', () => {
         gridStub.onHeaderRowCellRendered.notify(mockArgs1, new Slick.EventData(), gridStub);
         gridStub.onHeaderRowCellRendered.notify(mockArgs2, new Slick.EventData(), gridStub);
 
-        const columnFilters = { file: { columnDef: mockColumn1, columnId: 'file', searchTerms: ['unknown'] } };
+        const columnFilters = { file: { columnDef: mockColumn1, columnId: 'file', searchTerms: ['unknown'] } } as ColumnFilters;
         service.updateFilters([{ columnId: 'file', operator: '', searchTerms: ['unknown'] }], true, true, true);
         const output = service.customLocalFilter(mockItem1, { dataView: dataViewStub, grid: gridStub, columnFilters });
 
-        expect(spyRxjs).toHaveBeenCalledWith([{ columnId: 'file', searchTerms: ['unknown',] }]);
+        expect(spyRxjs).toHaveBeenCalledWith([{ columnId: 'file', operator: 'Contains', searchTerms: ['unknown',] }]);
         expect(output).toBe(false);
-        expect(preFilterSpy).toHaveBeenCalledWith(dataset, columnFilters);
+        expect(preFilterSpy).toHaveBeenCalledWith(dataset, { ...columnFilters, file: { ...columnFilters.file, operator: 'Contains' } }); // it will use Contains by default
         expect(preFilterSpy).toHaveReturnedWith([]);
       });
     });

src/app/modules/angular-slickgrid/services/filter.service.ts

@@ -25,7 +25,7 @@ import {
   SlickEventHandler,
 } from './../models/index';
 import { executeBackendCallback, refreshBackendDataset } from './backend-utilities';
-import { getDescendantProperty } from './utilities';
+import { getDescendantProperty, mapOperatorByFieldType } from './utilities';
 import { FilterConditions } from './../filter-conditions';
 import { FilterFactory } from '../filters/filterFactory';
 import { SharedService } from './shared.service';
@@ -43,7 +43,7 @@ export class FilterService {
   private _eventHandler: SlickEventHandler;
   private _isFilterFirstRender = true;
   private _firstColumnIdRendered = '';
-  private _filtersMetadata: any[] = [];
+  protected _filtersMetadata: Array<Filter> = [];
   private _columnFilters: ColumnFilters = {};
   private _grid: any;
   private _onSearchChange: SlickEvent | null;
@@ -130,7 +130,7 @@ export class FilterService {
     if (Array.isArray(this._filtersMetadata)) {
       this._filtersMetadata.forEach((filter) => {
         if (filter && filter.destroy) {
-          filter.destroy(true);
+          filter.destroy();
         }
       });
     }
@@ -228,7 +228,7 @@ export class FilterService {
     }
 
     // find the filter object and call its clear method with true (the argument tells the method it was called by a clear filter)
-    const colFilter: Filter = this._filtersMetadata.find((filter: Filter) => filter.columnDef.id === columnId);
+    const colFilter: Filter | undefined = this._filtersMetadata.find((filter: Filter) => filter.columnDef.id === columnId);
     if (colFilter && colFilter.clear) {
       colFilter.clear(true);
     }
@@ -830,6 +830,7 @@ export class FilterService {
       const searchTerms = (args.searchTerms && Array.isArray(args.searchTerms)) ? args.searchTerms : (searchTerm ? [searchTerm] : undefined);
       const columnDef = args.columnDef || null;
       const columnId = columnDef && columnDef.id || '';
+      const fieldType = columnDef && columnDef.filter && columnDef.filter.type || columnDef && columnDef.type || FieldType.string;
       const operator = args.operator || undefined;
       const hasSearchTerms = searchTerms && Array.isArray(searchTerms);
       const termsCount = hasSearchTerms && searchTerms && searchTerms.length;
@@ -847,9 +848,7 @@ export class FilterService {
             columnDef,
             searchTerms,
           };
-          if (operator) {
-            colFilter.operator = operator;
-          }
+          colFilter.operator = operator || mapOperatorByFieldType(fieldType);
           this._columnFilters[colId] = colFilter;
         }
       }
@@ -868,7 +867,7 @@ export class FilterService {
           columnId,
           columnDef,
           columnFilters: this._columnFilters,
-          operator,
+          operator: operator || mapOperatorByFieldType(fieldType),
           searchTerms,
           grid: this._grid
         }, eventData);

test/cypress/integration/example05.spec.js

@@ -563,7 +563,7 @@ describe('Example 5 - OData Grid', () => {
 
       cy.window().then((win) => {
         expect(win.console.log).to.have.callCount(2);
-        expect(win.console.log).to.be.calledWith('Client sample, Grid State changed:: ', { newValues: [{ columnId: 'name', searchTerms: ['x'] }], type: 'filter' });
+        expect(win.console.log).to.be.calledWith('Client sample, Grid State changed:: ', { newValues: [{ columnId: 'name', operator: 'Contains', searchTerms: ['x'] }], type: 'filter' });
         expect(win.console.log).to.be.calledWith('Client sample, Grid State changed:: ', { newValues: { pageNumber: 1, pageSize: 10 }, type: 'pagination' });
       });
     });

test/cypress/integration/example08.spec.js

@@ -123,7 +123,7 @@ describe('Example 8 - Header Menu Plugin', () => {
     cy.get('#grid8')
       .find('.slick-row .slick-cell:nth(2)')
       .each($row => {
-        expect(+$row.text()).to.be.greaterThan(80);
+        expect(+$row.text()).to.be.greaterThan(60);
       });
   });
 

test/cypress/integration/example10.spec.js

@@ -595,7 +595,7 @@ describe('Example 10 - Multiple Grids with Row Selection', () => {
 
       cy.window().then((win) => {
         expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: { gridRowIndexes: [0, 1], dataContextIds: [3, 12, 13, 522, 1], filteredDataContextIds: [3, 13] }, type: 'rowSelection' });
-        expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: [{ columnId: 'title', searchTerms: ['3'] }], type: 'filter' });
+        expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: [{ columnId: 'title', operator: 'Contains', searchTerms: ['3'] }], type: 'filter' });
       });
     });
 
@@ -678,7 +678,7 @@ describe('Example 10 - Multiple Grids with Row Selection', () => {
       cy.window().then((win) => {
         expect(win.console.log).to.have.callCount(4);
         expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: { gridRowIndexes: [0, 1], dataContextIds: [3, 12, 13, 522, 1], filteredDataContextIds: [3, 13] }, type: 'rowSelection' });
-        expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: [{ columnId: 'title', searchTerms: ['3'] }], type: 'filter' });
+        expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: [{ columnId: 'title', operator: 'Contains', searchTerms: ['3'] }], type: 'filter' });
       });
     });
 
@@ -755,7 +755,7 @@ describe('Example 10 - Multiple Grids with Row Selection', () => {
       cy.window().then((win) => {
         expect(win.console.log).to.have.callCount(4);
         expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: { gridRowIndexes: [0, 1], dataContextIds: [3, 12, 13, 522, 1], filteredDataContextIds: [3, 13] }, type: 'rowSelection' });
-        expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: [{ columnId: 'title', searchTerms: ['3'] }], type: 'filter' });
+        expect(win.console.log).to.be.calledWith("Grid State changed:: ", { newValues: [{ columnId: 'title', operator: 'Contains', searchTerms: ['3'] }], type: 'filter' });
       });
     });
   });