@nova-ui/bits
Version:
SolarWinds Nova Framework
67 lines • 10.2 kB
JavaScript
// © 2022 SolarWinds Worldwide, LLC. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import { Injectable } from "@angular/core";
import { BehaviorSubject, Subject } from "rxjs";
import { switchMap, takeUntil, tap } from "rxjs/operators";
import { DataSourceService } from "./data-source.service";
import * as i0 from "@angular/core";
/**
* <example-url>./../examples/index.html#/common/server-side-data-source</example-url>
*/
export class ServerSideDataSource extends DataSourceService {
constructor() {
super();
this.busy = new BehaviorSubject(false);
this.applyFilters$ = new Subject();
this.destroy$ = new Subject();
this.setupFilters();
}
setupFilters() {
this.applyFilters$
.pipe(tap((filters) => this.beforeApplyFilters(filters)), switchMap((filters) => this.getBackendData(filters)), tap(async (data) => this.afterApplyFilters(data)), takeUntil(this.destroy$))
.subscribe();
}
// make sure we clean upon service destruction
ngOnDestroy() {
this.destroy$.next();
this.destroy$.complete();
this.busy.complete();
}
beforeApplyFilters(filters) {
// show the loader
this.busy.next(true);
this.shouldResetFilters(filters);
}
async afterApplyFilters(data) {
await super.afterApplyFilters(data);
// no matter if the backend response was successful or not,
// we need to hide our loader and reset the filters
this.busy.next(false);
}
async applyFilters() {
this.applyFilters$.next(this.getFilters());
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: ServerSideDataSource, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: ServerSideDataSource }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: ServerSideDataSource, decorators: [{
type: Injectable
}], ctorParameters: () => [] });
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