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1 | import { Observable } from 'rxjs' | |
2 | import { map } from 'rxjs/operators' | |
3 | import { ActivatedRouteSnapshot, Resolve, Router } from '@angular/router' | |
4 | import { ResultList } from '@shared/models/result-list.model' | |
5 | ||
6 | export abstract class AbstractLazyLoadResolver <T> implements Resolve<any> { | |
7 | protected router: Router | |
8 | ||
9 | resolve (route: ActivatedRouteSnapshot) { | |
10 | const url = route.params.url | |
11 | ||
12 | if (!url) { | |
13 | console.error('Could not find url param.', { params: route.params }) | |
14 | return this.router.navigateByUrl('/404') | |
15 | } | |
16 | ||
17 | return this.finder(url) | |
18 | .pipe( | |
19 | map(result => { | |
20 | if (result.data.length !== 1) { | |
21 | console.error('Cannot find result for this URL') | |
22 | return this.router.navigateByUrl('/404') | |
23 | } | |
24 | ||
25 | const redirectUrl = this.buildUrl(result.data[0]) | |
26 | ||
27 | return this.router.navigateByUrl(redirectUrl) | |
28 | }) | |
29 | ) | |
30 | } | |
31 | ||
32 | protected abstract finder (url: string): Observable<ResultList<T>> | |
33 | protected abstract buildUrl (e: T): string | |
34 | } |