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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 8x 8x 8x 1x 1x 1x 1x 1x 1x 7x 5x 7x 7x 1x 1x 6x 5x 5x 6x 6x 6x 6x 6x 1x 1x 4x 1x 1x 3x 4x 1x 1x 2x 2x 2x 2x 2x 1x | import { CurrencyInterface } from "./currency";
import { MoneyInterface } from "./money";
export interface AccountInterface {
getId(): number;
getBalance(currency: CurrencyInterface): number;
deposit(monye: MoneyInterface): number;
}
export class Account implements AccountInterface {
protected id: number;
protected balances: Map<CurrencyInterface, number>;
public constructor(id: number) {
this.id = id;
this.balances = new Map<CurrencyInterface, number>();
}
public getId(): number {
return this.id;
}
public getBalance(currency: CurrencyInterface): number {
return this.balances.has(currency) && this.balances.get(currency) != null
? Number(this.balances.get(currency))
: 0;
}
public deposit(money: MoneyInterface): number {
if (!this.balances.has(money.getCurrency())) {
this.balances.set(money.getCurrency(), 0);
}
this.balances.set(money.getCurrency(), Number(this.balances.get(money.getCurrency())) + money.getAmount());
return Number(this.balances.get(money.getCurrency()));
}
public withdraw(money: MoneyInterface): number {
if (!this.balances.has(money.getCurrency())) {
throw new Error(`This account has no currency ${money.getCurrency().getStringRepresentation()}`);
}
if (Number(this.balances.get(money.getCurrency())) < money.getAmount()) {
throw new Error("Balance is not enough for this withdraw");
}
this.balances.set(money.getCurrency(), Number(this.balances.get(money.getCurrency())) - money.getAmount());
return Number(this.balances.get(money.getCurrency()));
}
}
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