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