1
0
Files
yel-dspace-angular/src/app/core/data/request.effects.ts
2018-05-17 17:38:28 +02:00

61 lines
2.8 KiB
TypeScript

import { Inject, Injectable, Injector } from '@angular/core';
import { Request } from '@angular/http';
import { RequestArgs } from '@angular/http/src/interfaces';
import { Actions, Effect, ofType } from '@ngrx/effects';
// tslint:disable-next-line:import-blacklist
import { Observable } from 'rxjs';
import { GLOBAL_CONFIG, GlobalConfig } from '../../../config';
import { isNotEmpty } from '../../shared/empty.util';
import { ErrorResponse, RestResponse } from '../cache/response-cache.models';
import { ResponseCacheService } from '../cache/response-cache.service';
import { DSpaceRESTV2Response } from '../dspace-rest-v2/dspace-rest-v2-response.model';
import { DSpaceRESTv2Service } from '../dspace-rest-v2/dspace-rest-v2.service';
import { RequestActionTypes, RequestCompleteAction, RequestExecuteAction } from './request.actions';
import { RequestError, RestRequest } from './request.models';
import { RequestEntry } from './request.reducer';
import { RequestService } from './request.service';
import { DSpaceRESTv2Serializer } from '../dspace-rest-v2/dspace-rest-v2.serializer';
import { NormalizedObjectFactory } from '../cache/models/normalized-object-factory';
import { catchError, flatMap, map, tap } from 'rxjs/operators';
@Injectable()
export class RequestEffects {
@Effect() execute = this.actions$.ofType(RequestActionTypes.EXECUTE).pipe(
flatMap((action: RequestExecuteAction) => {
return this.requestService.getByUUID(action.payload)
.take(1);
}),
map((entry: RequestEntry) => entry.request),
flatMap((request: RestRequest) => {
let body;
if (isNotEmpty(request.body)) {
const serializer = new DSpaceRESTv2Serializer(NormalizedObjectFactory.getConstructor(request.body.type));
body = JSON.stringify(serializer.serialize(request.body));
}
return this.restApi.request(request.method, request.href, body).pipe(
map((data: DSpaceRESTV2Response) => this.injector.get(request.getResponseParser()).parse(request, data)),
tap((response: RestResponse) => this.responseCache.add(request.href, response, this.EnvConfig.cache.msToLive)),
map((response: RestResponse) => new RequestCompleteAction(request.uuid)),
catchError((error: RequestError) => Observable.of(new ErrorResponse(error)).pipe(
tap((response: RestResponse) => this.responseCache.add(request.href, response, this.EnvConfig.cache.msToLive)),
map((response: RestResponse) => new RequestCompleteAction(request.uuid))
))
);
})
);
constructor(
@Inject(GLOBAL_CONFIG) private EnvConfig: GlobalConfig,
private actions$: Actions,
private restApi: DSpaceRESTv2Service,
private injector: Injector,
private responseCache: ResponseCacheService,
protected requestService: RequestService
) { }
}
/* tslint:enable:max-classes-per-file */