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30 lines
781 B
30 lines
781 B
import { Injectable } from '@angular/core';
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import { HttpClient } from '@angular/common/http';
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import { Observable, of } from 'rxjs';
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import { map, catchError } from 'rxjs/operators';
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const routes = {
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quote: (c: RandomQuoteContext) => `/jokes/random?category=${c.category}`
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};
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export interface RandomQuoteContext {
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// The quote's category: 'dev', 'explicit'...
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category: string;
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}
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@Injectable({
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providedIn: 'root'
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})
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export class QuoteService {
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constructor(private httpClient: HttpClient) {}
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getRandomQuote(context: RandomQuoteContext): Observable<string> {
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return this.httpClient
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.cache()
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.get(routes.quote(context))
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.pipe(
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map((body: any) => body.value),
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catchError(() => of('Error, could not load joke :-('))
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);
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}
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}
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