import { Injectable } from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Observable } from 'rxjs/Observable';
import { catchError } from 'rxjs/operators';
import { of } from 'rxjs/observable/of';
const httpOptions = {
headers: new HttpHeaders({ 'Content-Type': 'application/json' })
};
@Injectable()
export class HeroService {
private heroesUrl = 'api/heroes';
constructor(private http: HttpClient) { }
getHeroes() {
return this.http.get(this.heroesUrl);
}
getHero(id: number) {
return this.http.get(`${this.heroesUrl}/${id}`);
}
updateHero(hero) {
return this.http.put(this.heroesUrl, hero, httpOptions);
}
addHero(hero) {
return this.http.post(this.heroesUrl, hero, httpOptions);
}
deleteHero(hero) {
const id = typeof hero === 'number' ? hero : hero.id;
return this.http.delete(`${this.heroesUrl}/${id}`, httpOptions);
}
searchHeroes(term: string) {
if (!term.trim()) {
return of([]);
}
return this.http.get(`api/heroes/?name=${term}`);
}
}