52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
import { Injectable } from '@angular/core';
|
|
import { Store } from '@ngrx/store';
|
|
import { Effect, Actions, ofType } from '@ngrx/effects';
|
|
import { of, Observable } from 'rxjs';
|
|
import { catchError, exhaustMap, map, tap, withLatestFrom } from 'rxjs/operators';
|
|
|
|
import { MetaCrawler } from '@overflow/commons-typescript/model/meta';
|
|
|
|
import { MetaCrawlerService } from '../../../service/meta-crawler.service';
|
|
|
|
import {
|
|
ReadAll,
|
|
ReadAllSuccess,
|
|
ReadAllFailure,
|
|
ActionType,
|
|
} from './meta-crawler.action';
|
|
|
|
import {
|
|
MetaCrawlerEntitySelector,
|
|
} from '../../';
|
|
|
|
@Injectable()
|
|
export class Effects {
|
|
|
|
constructor(
|
|
private actions$: Actions,
|
|
private store$: Store<any>,
|
|
private metaCrawlerService: MetaCrawlerService,
|
|
) { }
|
|
|
|
@Effect()
|
|
readAll$ = this.actions$.pipe(
|
|
ofType(ActionType.ReadAll),
|
|
withLatestFrom(this.store$.select(MetaCrawlerEntitySelector.selectAll)),
|
|
exhaustMap(([action, results]) => {
|
|
if (0 < results.length) {
|
|
return of(new ReadAllSuccess(results));
|
|
}
|
|
|
|
return this.metaCrawlerService
|
|
.readAll()
|
|
.pipe(
|
|
map((result: MetaCrawler[]) => {
|
|
return new ReadAllSuccess(result);
|
|
}),
|
|
catchError(error => of(new ReadAllFailure(error)))
|
|
);
|
|
}
|
|
)
|
|
);
|
|
}
|