Scheduler: remove redundant code (DataSourceProvider and loadedResources option) (#30787)

Co-authored-by: Vladimir Bushmanov <[email protected]>

Author: Ambrozy

packages/devextreme/js/__internal/scheduler/appointments/m_appointment_collection.ts

@@ -86,8 +86,8 @@ class SchedulerAppointments extends CollectionWidget {
     return this.invoke('isVirtualScrolling');
   }
 
-  get appointmentDataProvider() {
-    return this.option('getAppointmentDataProvider')();
+  get appointmentDataSource() {
+    return this.option('getAppointmentDataSource')();
   }
 
   get dataAccessors(): AppointmentDataAccessor {
@@ -246,7 +246,7 @@ class SchedulerAppointments extends CollectionWidget {
   ): ViewModelDiff[] {
     const elementsInRenderOrder = previousValue
       .map(({ sortedIndex }) => this.renderedElementsBySortedIndex[sortedIndex]);
-    const diff = getViewModelDiff(previousValue, value, this.appointmentDataProvider);
+    const diff = getViewModelDiff(previousValue, value, this.appointmentDataSource);
     diff
       .filter((item) => !isNeedToAdd(item))
       .forEach((item, index) => {

packages/devextreme/js/__internal/scheduler/appointments/utils/get_view_model_diff.ts

@@ -1,7 +1,7 @@
 import { equalByValue } from '@js/core/utils/common';
 
 import type { SafeAppointment } from '../../types';
-import type { AppointmentDataProvider } from '../../view_model/generate_view_model/data_provider/m_appointment_data_provider';
+import type { AppointmentDataSource } from '../../view_model/generate_view_model/data_provider/m_appointment_data_source';
 import type { AppointmentViewModelPlain } from '../../view_model/generate_view_model/types';
 import type { DiffItem } from './get_arrays_diff';
 import { getArraysDiff } from './get_arrays_diff';
@@ -41,28 +41,28 @@ const getObjectToCompare = (
 
 const isDataChanged = (
   data: SafeAppointment,
-  appointmentDataProvider: AppointmentDataProvider,
+  appointmentDataSource: AppointmentDataSource,
 ): boolean => {
-  const updatedData = appointmentDataProvider.getUpdatedAppointment();
+  const updatedData = appointmentDataSource.getUpdatedAppointment();
 
-  return updatedData === data || appointmentDataProvider
+  return updatedData === data || appointmentDataSource
     .getUpdatedAppointmentKeys()
     .some((item) => data[item.key] === item.value);
 };
 
-const compareViewModel = (appointmentDataProvider: AppointmentDataProvider) => (
+const compareViewModel = (appointmentDataSource: AppointmentDataSource) => (
   viewModelOld: AppointmentViewModelPlain,
   viewModelNext: AppointmentViewModelPlain,
 ): boolean => viewModelOld.itemData === viewModelNext.itemData
-  && !isDataChanged(viewModelNext.itemData, appointmentDataProvider)
+  && !isDataChanged(viewModelNext.itemData, appointmentDataSource)
   && equalByValue(getObjectToCompare(viewModelOld), getObjectToCompare(viewModelNext));
 
 export const getViewModelDiff = (
   viewModelOld: AppointmentViewModelPlain[],
   viewModelNext: AppointmentViewModelPlain[],
-  appointmentDataProvider: AppointmentDataProvider,
+  appointmentDataSource: AppointmentDataSource,
 ): DiffItem<AppointmentViewModelPlain, AppointmentViewModelPlain>[] => getArraysDiff(
   viewModelOld,
   viewModelNext,
-  compareViewModel(appointmentDataProvider),
+  compareViewModel(appointmentDataSource),
 );

packages/devextreme/js/__internal/scheduler/m_scheduler.ts

@@ -48,6 +48,7 @@ import type { SubscribeKey, SubscribeMethods } from './m_subscribes';
 import subscribes from './m_subscribes';
 import { utils } from './m_utils';
 import timeZoneUtils, { type TimezoneLabel } from './m_utils_time_zone';
+import { combineRemoteFilter } from './r1/filterting/remote';
 import { createTimeZoneCalculator } from './r1/timezone_calculator/index';
 import {
   excludeFromRecurrence,
@@ -70,7 +71,7 @@ import { setAppointmentGroupValues } from './utils/resource_manager/appointment_
 import { getLeafGroupValues } from './utils/resource_manager/group_utils';
 import { createResourceEditorModel } from './utils/resource_manager/popup_utils';
 import { ResourceManager } from './utils/resource_manager/resource_manager';
-import { AppointmentDataProvider } from './view_model/generate_view_model/data_provider/m_appointment_data_provider';
+import { AppointmentDataSource } from './view_model/generate_view_model/data_provider/m_appointment_data_source';
 import type {
   AppointmentAgendaViewModel,
   AppointmentViewModelPlain,
@@ -168,7 +169,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
 
   _appointments: any;
 
-  appointmentDataProvider!: AppointmentDataProvider;
+  appointmentDataSource!: AppointmentDataSource;
 
   _dataSource: any;
 
@@ -238,9 +239,8 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     // @ts-expect-error
     const resolveCallbacks = new Deferred();
 
-    whenLoaded.done((groupsResources) => {
-      this.option('loadedResources', groupsResources);
-      resolveCallbacks.resolve(groupsResources);
+    whenLoaded.done(() => {
+      resolveCallbacks.resolve();
     });
 
     this._postponeDataSourceLoading(whenLoaded);
@@ -278,7 +278,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
         this._initDataSource();
 
         this._postponeResourceLoading().done(() => {
-          this.appointmentDataProvider.setDataSource(this._dataSource);
+          this.appointmentDataSource.setDataSource(this._dataSource);
           this._filterAppointmentsByDate();
           this._updateOption('workSpace', 'showAllDayPanel', this.option('showAllDayPanel'));
         });
@@ -338,7 +338,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
       case 'resources':
         this.resourceManager?.dispose();
         this.resourceManager = new ResourceManager(this.option('resources'));
-        this.updateInstances();
+        this.updateAppointmentDataSource();
 
         this._postponeResourceLoading().done(() => {
           this._appointments.option('items', []);
@@ -349,7 +349,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
         break;
       case 'startDayHour':
       case 'endDayHour':
-        this.updateInstances();
+        this.updateAppointmentDataSource();
 
         this._appointments.option('items', []);
         this._updateOption('workSpace', name, value);
@@ -361,7 +361,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
         // TODO Vinogradov refactoring: merge it with startDayHour / endDayHour
       case 'offset':
 
-        this.updateInstances();
+        this.updateAppointmentDataSource();
 
         this._appointments.option('items', []);
         this._updateOption('workSpace', 'viewOffset', this.normalizeViewOffsetValue(value));
@@ -456,7 +456,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
         break;
       }
       case 'showAllDayPanel':
-        this.updateInstances();
+        this.updateAppointmentDataSource();
         this.repaint();
         break;
       case 'showCurrentTimeIndicator':
@@ -477,7 +477,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
       case 'recurrenceEditMode':
       case 'remoteFiltering':
       case 'timeZone':
-        this.updateInstances();
+        this.updateAppointmentDataSource();
         this.repaint();
         break;
       case 'dropDownAppointmentTemplate':
@@ -503,8 +503,6 @@ class Scheduler extends SchedulerOptionsBaseWidget {
       case 'recurrenceExceptionExpr':
       case 'disabledExpr':
         this._updateExpression(name, value);
-        this.appointmentDataProvider.updateDataAccessors(this._dataAccessors);
-
         this._initAppointmentTemplate();
         this.repaint();
         break;
@@ -518,7 +516,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
         this._updateOption('workSpace', args.fullName, value);
         break;
       case 'allDayPanelMode':
-        this.updateInstances();
+        this.updateAppointmentDataSource();
         this._updateOption('workSpace', args.fullName, value);
         break;
       case 'renovateRender':
@@ -532,8 +530,6 @@ class Scheduler extends SchedulerOptionsBaseWidget {
           ? this._header.onToolbarOptionChanged(args.fullName, value)
           : this.repaint();
         break;
-      case 'loadedResources':
-        break;
       default:
         // @ts-expect-error
         super._optionChanged(args);
@@ -589,14 +585,35 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     const startDate = this.timeZoneCalculator.createDate(dateRange[0], 'fromGrid');
     const endDate = this.timeZoneCalculator.createDate(dateRange[1], 'fromGrid');
 
-    this.appointmentDataProvider.filterByDate(
+    this.setRemoteFilter(
       startDate,
       endDate,
       this.option('remoteFiltering'),
       this.option('dateSerializationFormat'),
     );
   }
 
+  setRemoteFilter(min, max, remoteFiltering = false, dateSerializationFormat?) {
+    const dataSource = this._dataSource;
+    const dataAccessors = this._dataAccessors;
+
+    if (!dataSource || !remoteFiltering) {
+      return;
+    }
+
+    const dataSourceFilter = dataSource.filter();
+    const filter = combineRemoteFilter({
+      dataSourceFilter,
+      dataAccessors,
+      min,
+      max,
+      dateSerializationFormat,
+      forceIsoDateParsing: config().forceIsoDateParsing,
+    });
+
+    dataSource.filter(filter);
+  }
+
   _reloadDataSource() {
     // @ts-expect-error
     const result = new Deferred();
@@ -733,7 +750,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
 
     this._initEditing();
 
-    this.updateInstances();
+    this.updateAppointmentDataSource();
 
     this._initActions();
 
@@ -750,35 +767,16 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     this._notifyScheduler = new NotifyScheduler({ scheduler: this });
   }
 
-  createAppointmentDataProvider() {
-    this.appointmentDataProvider?.destroy();
-    this.appointmentDataProvider = new AppointmentDataProvider({
-      dataSource: this._dataSource,
-      dataAccessors: this._dataAccessors,
-      timeZoneCalculator: this.timeZoneCalculator,
-      dateSerializationFormat: this.option('dateSerializationFormat'),
-      resources: this.option('resources'),
-      startDayHour: () => this.getViewOption('startDayHour'),
-      endDayHour: () => this.getViewOption('endDayHour'),
-      viewOffset: () => this.getViewOffsetMs(),
-      allDayPanelMode: () => this.getViewOption('allDayPanelMode'),
-      showAllDayPanel: () => this.option('showAllDayPanel'),
-      getResourceManager: () => this.resourceManager,
-      getIsVirtualScrolling: () => this.isVirtualScrolling(),
-      getSupportAllDayRow: () => this._workSpace.supportAllDayRow(),
-      getViewType: () => this._workSpace.type,
-      getViewDirection: () => this._workSpace.viewDirection,
-      getDateRange: () => this._workSpace.getDateRange(),
-      getGroupCount: () => this._workSpace._getGroupCount(),
-      getViewDataProvider: () => this._workSpace.viewDataProvider,
-    });
+  createAppointmentDataSource() {
+    this.appointmentDataSource?.destroy();
+    this.appointmentDataSource = new AppointmentDataSource(this._dataSource);
   }
 
-  updateInstances() {
+  updateAppointmentDataSource() {
     this._timeZoneCalculator = null;
 
     if (this.getWorkSpace()) {
-      this.createAppointmentDataProvider();
+      this.createAppointmentDataSource();
     }
   }
 
@@ -881,7 +879,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
       : [];
 
     this._appointments.option('items', viewModel);
-    this.appointmentDataProvider.cleanState();
+    this.appointmentDataSource.cleanState();
   }
 
   _getAppointmentsToRepaint(): AppointmentViewModelPlain[] {
@@ -987,9 +985,8 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     this.setAria({ role: 'group' });
   }
 
-  _initMarkupOnResourceLoaded(groupsResources) {
+  _initMarkupOnResourceLoaded() {
     if (!(this as any)._disposed) {
-      this.option('loadedResources', groupsResources);
       this._initMarkupCore();
       this._reloadDataSource();
     }
@@ -1024,9 +1021,9 @@ class Scheduler extends SchedulerOptionsBaseWidget {
 
       if (groups?.length) {
         this.resourceManager.loadGroupResources(groups, true)
-          .then((groupsResources) => this._initMarkupOnResourceLoaded(groupsResources));
+          .then(() => this._initMarkupOnResourceLoaded());
       } else {
-        this._initMarkupOnResourceLoaded([]);
+        this._initMarkupOnResourceLoaded();
       }
     }
   }
@@ -1172,7 +1169,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     });
     this._waitAsyncTemplate(() => this._workSpaceRecalculation?.resolve());
 
-    this.createAppointmentDataProvider();
+    this.createAppointmentDataSource();
     this._filterAppointmentsByDate();
     this._validateKeyFieldIfAgendaExist();
     this._updateA11yStatus();
@@ -1234,7 +1231,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
       getResourceManager: () => this.resourceManager,
       getAppointmentColor: this.createGetAppointmentColor(),
 
-      getAppointmentDataProvider: () => this.appointmentDataProvider,
+      getAppointmentDataSource: () => this.appointmentDataSource,
       dataAccessors: this._dataAccessors,
       notifyScheduler: this._notifyScheduler,
       onItemRendered: this._getAppointmentRenderedAction(),
@@ -1318,7 +1315,6 @@ class Scheduler extends SchedulerOptionsBaseWidget {
   }
 
   _workSpaceConfig(currentViewOptions: NormalizedView) {
-    const groupsResources = this.option('loadedResources');
     const scrolling = this.getViewOption('scrolling');
     const isVirtualScrolling = scrolling.mode === 'virtual';
     const horizontalVirtualScrollingAllowed = isVirtualScrolling
@@ -1377,7 +1373,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     }, currentViewOptions);
 
     result.notifyScheduler = this._notifyScheduler;
-    result.groups = groupsResources;
+    result.groups = this.resourceManager.groupResources();
     result.onCellClick = this._createActionByOption('onCellClick');
     result.onCellContextMenu = this._createActionByOption('onCellContextMenu');
     result.currentDate = this.getViewOption('currentDate');
@@ -1387,7 +1383,6 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     result.timeCellTemplate = result.timeCellTemplate ? this._getTemplate(result.timeCellTemplate) : null;
     result.resourceCellTemplate = result.resourceCellTemplate ? this._getTemplate(result.resourceCellTemplate) : null;
     result.dateCellTemplate = result.dateCellTemplate ? this._getTemplate(result.dateCellTemplate) : null;
-    result.getAppointmentDataProvider = () => this.appointmentDataProvider;
 
     return result;
   }
@@ -1524,7 +1519,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     delete singleRawAppointment[this._dataAccessors.expr.recurrenceExceptionExpr];
     delete singleRawAppointment[this._dataAccessors.expr.recurrenceRuleExpr];
 
-    const keyPropertyName = this.appointmentDataProvider.keyName;
+    const keyPropertyName = this.appointmentDataSource.keyName;
     delete singleRawAppointment[keyPropertyName];
     /* eslint-enable @typescript-eslint/no-dynamic-delete */
 
@@ -1768,7 +1763,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
         this._expandAllDayPanel(rawAppointment);
 
         try {
-          deferred = this.appointmentDataProvider
+          deferred = this.appointmentDataSource
             .update(target, rawAppointment)
             .done(() => {
               dragEvent?.cancel.resolve(false);
@@ -2080,7 +2075,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
 
       this._expandAllDayPanel(serializedAppointment);
 
-      return this.appointmentDataProvider
+      return this.appointmentDataSource
         .add(serializedAppointment)
         .always((storeAppointment) => this._onDataPromiseCompleted(StoreEventNames.ADDED, storeAppointment));
     });
@@ -2110,7 +2105,7 @@ class Scheduler extends SchedulerOptionsBaseWidget {
   processDeleteAppointment(rawAppointment, deletingOptions) {
     this._processActionResult(deletingOptions, function (canceled) {
       if (!canceled) {
-        this.appointmentDataProvider
+        this.appointmentDataSource
           .remove(rawAppointment)
           .always((storeAppointment) => this._onDataPromiseCompleted(
             StoreEventNames.DELETED,
@@ -2161,12 +2156,12 @@ class Scheduler extends SchedulerOptionsBaseWidget {
   }
 
   _validateKeyFieldIfAgendaExist() {
-    if (!this.appointmentDataProvider.isDataSourceInit) {
+    if (!this.appointmentDataSource.isDataSourceInit) {
       return;
     }
 
     const hasAgendaView = this.hasAgendaView();
-    const isKeyNotExist = !this.appointmentDataProvider.keyName;
+    const isKeyNotExist = !this.appointmentDataSource.keyName;
 
     if (hasAgendaView && isKeyNotExist) {
       errors.log('W1023');