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yel-dspace-angular/src/app/core/submission/workspaceitem-data.service.ts

61 lines
3.0 KiB
TypeScript

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Store } from '@ngrx/store';
import { dataService } from '../cache/builders/build-decorators';
import { RemoteDataBuildService } from '../cache/builders/remote-data-build.service';
import { CoreState } from '../core.reducers';
import { DataService } from '../data/data.service';
import { RequestService } from '../data/request.service';
import { HALEndpointService } from '../shared/hal-endpoint.service';
import { NotificationsService } from '../../shared/notifications/notifications.service';
import { ObjectCacheService } from '../cache/object-cache.service';
import { DSOChangeAnalyzer } from '../data/dso-change-analyzer.service';
import { WorkspaceItem } from './models/workspaceitem.model';
import { Observable } from 'rxjs';
import { RemoteData } from '../data/remote-data';
import { FindListOptions } from '../data/request.models';
import { FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
import { RequestParam } from '../cache/models/request-param.model';
/**
* A service that provides methods to make REST requests with workspaceitems endpoint.
*/
@Injectable()
@dataService(WorkspaceItem.type)
export class WorkspaceitemDataService extends DataService<WorkspaceItem> {
protected linkPath = 'workspaceitems';
protected searchByItemLinkPath = 'item';
constructor(
protected comparator: DSOChangeAnalyzer<WorkspaceItem>,
protected halService: HALEndpointService,
protected http: HttpClient,
protected notificationsService: NotificationsService,
protected requestService: RequestService,
protected rdbService: RemoteDataBuildService,
protected objectCache: ObjectCacheService,
protected store: Store<CoreState>) {
super();
}
/**
* Return the WorkspaceItem object found through the UUID of an item
*
* @param uuid The uuid of the item
* @param useCachedVersionIfAvailable If this is true, the request will only be sent if there's
* no valid cached version. Defaults to true
* @param reRequestOnStale Whether or not the request should automatically be re-
* requested after the response becomes stale
* @param options The {@link FindListOptions} object
* @param linksToFollow List of {@link FollowLinkConfig} that indicate which {@link HALLink}s should be automatically resolved
*/
public findByItem(uuid: string, useCachedVersionIfAvailable = false, reRequestOnStale = true, options: FindListOptions = {}, ...linksToFollow: FollowLinkConfig<WorkspaceItem>[]): Observable<RemoteData<WorkspaceItem>> {
const findListOptions = new FindListOptions();
findListOptions.searchParams = [new RequestParam('uuid', encodeURIComponent(uuid))];
const href$ = this.getSearchByHref(this.searchByItemLinkPath, findListOptions, ...linksToFollow);
return this.findByHref(href$, useCachedVersionIfAvailable, reRequestOnStale, ...linksToFollow);
}
}