56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
import {
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IsArray,
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IsEnum,
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IsNotEmpty,
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IsObject,
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IsString,
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Validate,
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ValidatorConstraint,
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type ValidationArguments,
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type ValidatorConstraintInterface
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} from 'class-validator';
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import { ShopFiatCurrency } from '../../../types/ShopFiatCurrency';
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@ValidatorConstraint({ name: 'coingeckoResponse' })
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class CoingeckoResponseConstraint implements ValidatorConstraintInterface {
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validate(response: Record<string, unknown>, args: ValidationArguments): boolean {
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const { shopFiatCurrency, coinIds } = args.object as CoingeckoSimplePriceResponseDto;
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if (!shopFiatCurrency || coinIds.length === 0) {
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return false;
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}
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const fiatKey = shopFiatCurrency.toLowerCase();
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return coinIds.every(coinId => {
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const coin = response[coinId];
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if (typeof coin !== 'object' || coin === null) {
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return false;
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}
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const rate = coin[fiatKey];
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return typeof rate === 'number' && Number.isFinite(rate) && rate > 0;
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});
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}
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defaultMessage(): string {
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return 'CoinGecko coin fiat rate must be a positive number';
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}
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}
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export class CoingeckoSimplePriceResponseDto {
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@IsEnum(ShopFiatCurrency)
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shopFiatCurrency: ShopFiatCurrency;
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@IsArray()
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@IsString({ each: true })
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coinIds: string[];
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@IsNotEmpty()
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@IsObject()
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@Validate(CoingeckoResponseConstraint)
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response: Record<string, Record<string, number>>;
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}
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