96 lines
2.9 KiB
JavaScript
96 lines
2.9 KiB
JavaScript
import assert from 'assert';
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import dayJs from 'dayjs';
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import { generateNewIdAsync } from "oak-domain/lib/utils/uuid";
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export default class Account {
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getAccountEntity() {
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return ['', ''];
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}
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async getAccountAmount(context) {
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throw new Error('不应走到这里');
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}
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calcTransferTax(price) {
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return [0, '', ''];
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}
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calcRefundTax() {
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return [0, '', ''];
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}
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calcPayTax() {
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return [0, '', ''];
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}
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getRefundableAt(successAt) {
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return dayJs(successAt).add(1000, 'y').valueOf();
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}
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async refund(refund) {
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return;
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}
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async getRefundState(refund) {
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return ['refuding', undefined];
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}
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decodePayNotification(params, body) {
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throw new Error("account类型的pay不需调用此接口");
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}
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decodeRefundNotification(params, body) {
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throw new Error("account类型的pay不需调用此接口");
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}
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async prepay(pay, data, context) {
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const { entity, entityId, price } = pay;
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assert(entity === 'account' && entityId);
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/**
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* account类型的支付就是直接从account中扣除款项
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* 但是注意最多只能把avail扣空。
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* 如果一个pay没有完全支付，等account中充值了会自动继续进行支付
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*/
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const [account] = await context.select('account', {
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data: {
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id: 1,
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avail: 1,
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},
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filter: {
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id: entityId,
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}
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}, { forUpdate: true });
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const { avail } = account;
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// const paid = Math.min(price!, avail!);
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// if (paid > 0) {
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// data.accountOper$entity = [
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// {
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// id: await generateNewIdAsync(),
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// action: 'create',
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// data: {
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// id: await generateNewIdAsync(),
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// totalPlus: -paid,
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// availPlus: -paid,
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// type: 'consume',
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// accountId: account.id!,
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// },
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// }
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// ];
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// data.meta = {};
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// data.paid = paid;
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// }
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//允许将account扣成负数
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data.accountOper$entity = [
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{
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id: await generateNewIdAsync(),
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action: 'create',
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data: {
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id: await generateNewIdAsync(),
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totalPlus: -price,
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availPlus: -price,
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type: 'consume',
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accountId: account.id,
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},
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}
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];
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data.meta = {};
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data.paid = price;
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}
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getState(pay) {
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throw new Error("account类型的pay不应该需要查询此状态");
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}
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async close(pay) {
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// throw new Error("account类型的pay无法关闭");
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return;
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}
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}
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