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[CST-5676] Implemented bitstream-breadcrumbs.service

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This commit is contained in:
Giuseppe Digilio
2022-04-28 15:41:25 +02:00
parent b8904f5fe1
commit 393a4a3d40
5 changed files with 109 additions and 86 deletions
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77
src/app/core/breadcrumbs/bitstream-breadcrumb.resolver.ts
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@@ -1,22 +1,11 @@
import { Injectable } from '@angular/core';
import { DSOBreadcrumbsService } from './dso-breadcrumbs.service';
import { followLink, FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
import { FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
import { Bitstream } from '../shared/bitstream.model';
import { BitstreamDataService } from '../data/bitstream-data.service';
import { BITSTREAM_PAGE_LINKS_TO_FOLLOW, BUNDLE_PAGE_LINKS_TO_FOLLOW } from 'src/app/bitstream-page/bitstream-page.resolver';
import { ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';
import { Observable, of } from 'rxjs';
import { BreadcrumbConfig } from 'src/app/breadcrumbs/breadcrumb/breadcrumb-config.model';
import { getFirstCompletedRemoteData, getRemoteDataPayload } from '../shared/operators';
import { map, switchMap } from 'rxjs/operators';
import { hasValue } from 'src/app/shared/empty.util';
import { BITSTREAM_PAGE_LINKS_TO_FOLLOW } from '../../bitstream-page/bitstream-page.resolver';
import { DSOBreadcrumbResolver } from './dso-breadcrumb.resolver';
import { BundleDataService } from '../data/bundle-data.service';
import { Bundle } from '../shared/bundle.model';
import { ItemDataService } from '../data/item-data.service';
import { Item } from '../shared/item.model';
import { ITEM_PAGE_LINKS_TO_FOLLOW } from 'src/app/item-page/item.resolver';
import { DSpaceObject } from '../shared/dspace-object.model';
import { BitstreamBreadcrumbsService } from './bitstream-breadcrumbs.service';
/**
* The class that resolves the BreadcrumbConfig object for an Item
@@ -24,69 +13,19 @@ import { DSpaceObject } from '../shared/dspace-object.model';
@Injectable({
providedIn: 'root'
})
export class BitstreamBreadcrumbResolver extends DSOBreadcrumbResolver<Item> {
export class BitstreamBreadcrumbResolver extends DSOBreadcrumbResolver<Bitstream> {
constructor(
protected breadcrumbService: DSOBreadcrumbsService,
protected bitstreamService: BitstreamDataService,
protected dataService: ItemDataService
) {
protected breadcrumbService: BitstreamBreadcrumbsService, protected dataService: BitstreamDataService) {
super(breadcrumbService, dataService);
}
/**
* Method for resolving a breadcrumb config object
* @param {ActivatedRouteSnapshot} route The current ActivatedRouteSnapshot
* @param {RouterStateSnapshot} state The current RouterStateSnapshot
* @returns BitstreamBreadcrumbConfig object
*/
resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<BreadcrumbConfig<Item>> {
const uuid = route.params.id;
return this.bitstreamService.findById(uuid, true, false, ...this.bfollowLinks).pipe(
getFirstCompletedRemoteData(),
getRemoteDataPayload(),
switchMap((bitstream: Bitstream) => {
if (hasValue(bitstream)) {
return bitstream.bundle.pipe(
getFirstCompletedRemoteData(),
getRemoteDataPayload(),
switchMap((bundle: Bundle) => {
if (hasValue(bundle)) {
return bundle.item.pipe(
getFirstCompletedRemoteData(),
getRemoteDataPayload(),
map((item: Item) => {
if (hasValue(item)) {
console.log(item);
const fullPath = state.url;
const url = fullPath.substr(0, fullPath.indexOf(uuid)) + uuid;
return {provider: this.breadcrumbService, key: item, url: url};
} else {
return undefined;
}
})
);
} else {
return of(undefined);
}
})
);
} else {
return of(undefined);
}
})
);
}
/**
* Method that returns the follow links to already resolve
* The self links defined in this list are expected to be requested somewhere in the near future
* Requesting them as embeds will limit the number of requests
*/
get followLinks(): FollowLinkConfig<Item>[] {
return ITEM_PAGE_LINKS_TO_FOLLOW;
get followLinks(): FollowLinkConfig<Bitstream>[] {
return BITSTREAM_PAGE_LINKS_TO_FOLLOW;
}
get bfollowLinks(): FollowLinkConfig<Bitstream>[] {
return [followLink('bundle', followLink('item'))];
}
}