33 lines
1.3 KiB
TypeScript
33 lines
1.3 KiB
TypeScript
import { Injectable } from '@angular/core';
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const quotes = [
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'Always do right. This will gratify some people and astonish the rest.',
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'I have never let my schooling interfere with my education.',
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'Don\'t go around saying the world owes you a living. The world owes you nothing. It was here first.',
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'Whenever you find yourself on the side of the majority, it is time to pause and reflect.',
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'If you tell the truth, you don\'t have to remember anything.',
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'Clothes make the man. Naked people have little or no influence on society.',
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'It\'s not the size of the dog in the fight, it\'s the size of the fight in the dog.',
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'Truth is stranger than fiction, but it is because Fiction is obliged to stick to possibilities; Truth isn\'t.',
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'The man who does not read good books has no advantage over the man who cannot read them.',
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'Get your facts first, and then you can distort them as much as you please.',
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];
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@Injectable()
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export class TwainService {
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private next = 0;
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// Imaginary todo: get quotes from a remote quote service
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// returns quote after delay simulating server latency
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getQuote(): Promise<string> {
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return new Promise(resolve => {
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setTimeout( () => resolve(this.nextQuote()), 500 );
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});
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}
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private nextQuote() {
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if (this.next === quotes.length) { this.next = 0; }
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return quotes[ this.next++ ];
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}
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}
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