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21 lines
458 B
TypeScript
21 lines
458 B
TypeScript
import { Wallet } from '../models/wallet';
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export default class WalletLib {
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private wallet: Wallet;
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constructor (wallet: Wallet) {
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this.wallet = wallet;
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}
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/**
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* Return the price remaining to pay, after we have used the maximum possible amount in the wallet.
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*/
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computeRemainingPrice = (price: number): number => {
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if (this.wallet.amount > price) {
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return 0;
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} else {
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return price - this.wallet.amount;
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}
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};
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}
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