painter.service.ts

import { Injectable } from '@angular/core';

import { Painter } from './painter';
import { PAINTERS } from './painters.mock';

@Injectable()
export class PainterService {

    getPainters(): Promise<Painter[]> {
        return Promise.resolve(PAINTERS);
    }

    getLaggedPainters(): Promise<Painter[]> {
        return new Promise<Painter[]>(resolve =>
            setTimeout(() => resolve(PAINTERS), 3000)
        );
    }
}