2024-07-15 15:19:15 +02:00

137 lines
4.4 KiB
TypeScript

// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Input, OnInit, OnDestroy, ElementRef, Output, EventEmitter, Directive } from '@angular/core';
import { Subscription } from 'rxjs';
import { CoreSiteWSPreSets } from '@classes/sites/authenticated-site';
import { CoreSitePluginsPluginContentComponent } from '../components/plugin-content/plugin-content';
import { CoreSitePlugins } from '../services/siteplugins';
import { CoreLogger } from '@singletons/logger';
import { CoreFormFields, CoreForms } from '@singletons/form';
/**
* Base class for directives that need to call a WS.
*/
@Directive()
export class CoreSitePluginsCallWSBaseDirective implements OnInit, OnDestroy {
@Input() name!: string; // The name of the WS to call.
@Input() params?: Record<string, unknown>; // The params for the WS call.
@Input() preSets?: CoreSiteWSPreSets; // The preSets for the WS call.
@Input() useOtherDataForWS?: string[] | unknown; // Whether to include other data in the params for the WS.
@Input() form?: string; // ID or name to identify a form. The form data will be retrieved and sent to the WS.
@Output() onSuccess = new EventEmitter<unknown>(); // Sends the result when the WS call succeeds.
@Output() onError = new EventEmitter<unknown>(); // Sends the error when the WS call fails.
@Output() onDone = new EventEmitter<void>(); // Notifies when the WS call is done (either success or fail).
protected logger: CoreLogger;
protected element: HTMLElement;
protected invalidateObserver?: Subscription;
constructor(
element: ElementRef,
protected parentContent: CoreSitePluginsPluginContentComponent | null,
) {
this.element = element.nativeElement || element;
this.logger = CoreLogger.getInstance('CoreSitePluginsCallWS');
}
/**
* @inheritdoc
*/
ngOnInit(): void {
if (!this.parentContent?.invalidateObservable) {
return;
}
this.invalidateObserver = this.parentContent.invalidateObservable.subscribe(() => {
this.invalidate();
});
}
/**
* Call a WS.
*
* @returns Promise resolved when done.
*/
protected async callWS(): Promise<void> {
try {
const params = this.getParamsForWS();
const result = await CoreSitePlugins.callWS(this.name, params, this.preSets);
this.onSuccess.emit(result);
// Don't block the promise with the success function.
this.wsCallSuccess(result);
} catch (error) {
this.onError.emit(error);
this.logger.error(`Error calling WS ${this.name}`, error);
throw error;
} finally {
this.onDone.emit();
}
}
/**
* Get the params for the WS call.
*
* @returns Params.
*/
protected getParamsForWS(): CoreFormFields {
let params = this.params || {};
if (this.parentContent) {
params = CoreSitePlugins.loadOtherDataInArgs(params, this.parentContent.otherData, this.useOtherDataForWS);
}
if (this.form && document.forms[this.form]) {
params = Object.assign(params, CoreForms.getDataFromForm(document.forms[this.form]));
}
return params;
}
/**
* Function called when the WS call is successful.
*
* @param result Result of the WS call.
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
protected wsCallSuccess(result: unknown): void | Promise<void> {
// Function to be overridden.
}
/**
* Invalidate the WS call.
*
* @returns Promise resolved when done.
*/
invalidate(): Promise<void> {
const params = this.getParamsForWS();
return CoreSitePlugins.invalidateCallWS(this.name, params, this.preSets);
}
/**
* @inheritdoc
*/
ngOnDestroy(): void {
this.invalidateObserver?.unsubscribe();
}
}