diff options
Diffstat (limited to 'client/src/app/+search/shared/abstract-lazy-load.resolver.ts')
-rw-r--r-- | client/src/app/+search/shared/abstract-lazy-load.resolver.ts | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/client/src/app/+search/shared/abstract-lazy-load.resolver.ts b/client/src/app/+search/shared/abstract-lazy-load.resolver.ts new file mode 100644 index 000000000..31240f451 --- /dev/null +++ b/client/src/app/+search/shared/abstract-lazy-load.resolver.ts | |||
@@ -0,0 +1,34 @@ | |||
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 | } | ||