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yel-dspace-angular/src/app/submission/sections/accesses/section-accesses.service.ts
2022-01-24 19:54:21 +01:00

43 lines
1.3 KiB
TypeScript

import { Injectable } from '@angular/core';
import { Observable } from 'rxjs';
import { distinctUntilChanged, filter } from 'rxjs/operators';
import { Store } from '@ngrx/store';
import { SubmissionState } from '../../submission.reducers';
import { isNotUndefined } from '../../../shared/empty.util';
import { submissionSectionDataFromIdSelector } from '../../selectors';
import { WorkspaceitemSectionAccessesObject } from '../../../core/submission/models/workspaceitem-section-accesses.model';
/**
* A service that provides methods to handle submission item's accesses condition state.
*/
@Injectable()
export class SectionAccessesService {
/**
* Initialize service variables
*
* @param {Store<SubmissionState>} store
*/
constructor(private store: Store<SubmissionState>) { }
/**
* Return item's accesses condition state.
*
* @param submissionId
* The submission id
* @param sectionId
* The section id
* @returns {Observable}
* Emits bitstream's metadata
*/
public getAccessesData(submissionId: string, sectionId: string): Observable<WorkspaceitemSectionAccessesObject> {
return this.store.select(submissionSectionDataFromIdSelector(submissionId, sectionId)).pipe(
filter((state) => isNotUndefined(state)),
distinctUntilChanged());
}
}