518 lines
18 KiB
JavaScript
518 lines
18 KiB
JavaScript
import { generateNewIdAsync } from 'oak-domain/lib/utils/uuid';
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import assert from 'assert';
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import { getPayClazz } from '../utils/payClazz';
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import { fullPayProjection } from '../utils/pay';
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import { DATA_SUBSCRIBER_KEYS } from '../config/constants';
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async function changeOrderStateByPay(filter, context, option) {
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const orders = await context.select('order', {
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data: {
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id: 1,
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iState: 1,
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price: 1,
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paid: 1,
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refunded: 1,
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pay$order: {
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$entity: 'pay',
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data: {
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id: 1,
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price: 1,
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paid: 1,
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refunded: 1,
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iState: 1,
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},
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},
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},
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filter,
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}, { dontCollect: true });
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assert(orders.length === 1);
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const [{ id: orderId, pay$order: pays, price: orderPrice, paid: orderPaid, refunded: orderRefunded, iState: orderIState }] = orders;
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let hasPaying = false, hasRefunding = false;
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let payPaid = 0, payRefunded = 0;
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for (const pay of pays) {
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const { price, iState, paid, refunded } = pay;
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switch (iState) {
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case 'paying': {
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hasPaying = true;
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break;
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}
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case 'refunding': {
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hasRefunding = true;
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break;
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}
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default: {
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break;
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}
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}
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if (paid && iState === 'paid') {
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//已支付完成的订单的paid
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payPaid += paid;
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}
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if (refunded) {
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payRefunded += refunded;
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}
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}
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const closeFn = context.openRootMode();
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try {
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if (hasPaying) {
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// 一定是在支付状态
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assert(!hasRefunding && payRefunded === 0);
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if (orderIState !== 'paying') {
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//若订单未开始支付
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await context.operate('order', {
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id: await generateNewIdAsync(),
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action: 'startPaying',
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data: {
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paid: payPaid,
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},
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filter: {
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id: orderId,
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},
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}, option);
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}
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}
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else if (hasRefunding) {
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assert(!hasPaying && payPaid === orderPrice && payPaid === orderPaid && payRefunded < orderPrice);
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if (orderIState !== 'refunding' || orderRefunded !== payRefunded) {
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await context.operate('order', {
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id: await generateNewIdAsync(),
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action: 'startRefunding',
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data: {
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refunded: payRefunded,
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},
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filter: {
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id: orderId,
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},
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}, option);
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}
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}
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else if (payRefunded) {
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// 已经在退款流程当中
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assert(payPaid === orderPrice && payPaid === orderPaid);
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const iState = payPaid === orderPrice ? 'refunded' : 'partiallyRefunded';
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if (orderIState !== iState || orderRefunded !== payRefunded) {
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const action = payPaid === orderPrice ? 'refundAll' : 'refundPartially';
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await context.operate('order', {
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id: await generateNewIdAsync(),
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action,
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data: {
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refunded: payRefunded,
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},
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filter: {
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id: orderId,
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},
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}, option);
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}
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}
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else if (payPaid) {
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// 在支付流程当中
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//存在已完成的pay更新order的paid和iState
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assert(orderRefunded === 0);
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const iState = payPaid === orderPrice ? 'paid' : 'partiallyPaid';
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if (orderIState !== iState || orderPaid !== payPaid) {
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const action = payPaid === orderPrice ? 'payAll' : 'payPartially';
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await context.operate('order', {
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id: await generateNewIdAsync(),
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action,
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data: {
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paid: payPaid,
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},
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filter: {
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id: orderId,
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},
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}, option);
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}
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}
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else {
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const iState = 'unpaid';
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assert(orderRefunded === 0 && orderPaid === 0);
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if (orderIState !== iState) {
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await context.operate('order', {
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id: await generateNewIdAsync(),
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action: 'payNone',
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data: {},
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filter: {
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id: orderId,
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},
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}, option);
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}
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}
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closeFn();
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return 1;
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}
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catch (err) {
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closeFn();
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throw err;
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}
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}
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const triggers = [
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{
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name: '当生成pay时，自动开始支付流程',
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entity: 'pay',
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action: 'create',
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when: 'after',
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asRoot: true,
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fn: async ({ operation }, context, option) => {
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const { data } = operation;
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assert(!(data instanceof Array));
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const { id } = data;
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await context.operate('pay', {
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id: await generateNewIdAsync(),
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action: 'startPaying',
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data: {},
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filter: {
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id,
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}
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}, option);
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return 1;
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},
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},
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{
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name: '当pay的状态发生变化时，修改相应的order的状态或者deposit的状态，同时尝试向订阅者推送',
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entity: 'pay',
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action: ['startPaying', 'succeedPaying', 'continuePaying', 'startClosing', 'succeedClosing', 'startRefunding',
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'refundAll', 'refundPartially'],
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when: 'after',
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asRoot: true,
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fn: async ({ operation }, context, option) => {
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const { data, filter, action, id } = operation;
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assert(typeof filter.id === 'string');
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const [pay] = await context.select('pay', {
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data: {
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id: 1,
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orderId: 1,
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price: 1,
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refundable: 1,
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depositId: 1,
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deposit: {
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id: 1,
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accountId: 1,
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price: 1,
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loss: 1,
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},
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application: {
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systemId: 1,
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},
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iState: 1,
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},
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filter,
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}, { dontCollect: true });
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const { orderId, depositId, iState, deposit, application } = pay;
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context.saveOperationToEvent(id, `${DATA_SUBSCRIBER_KEYS.payStateChanged}-${filter.id}`);
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if (orderId) {
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return await changeOrderStateByPay({ id: orderId }, context, option);
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}
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else {
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assert(depositId && deposit);
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// 如果是支付成功，则使deposit成功（生成对应的accountOper，这里应该只有这条路径会让deposit成功）
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if (action === 'succeedPaying') {
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const payPrice = pay.price;
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const { price, loss } = deposit;
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assert(price === payPrice);
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const accountOpers = [
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{
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id: await generateNewIdAsync(),
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data: {
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id: await generateNewIdAsync(),
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totalPlus: price - loss,
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availPlus: price - loss,
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refundablePlus: pay.refundable ? price : 0,
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accountId: deposit.accountId,
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type: 'deposit',
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},
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action: 'create',
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}
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];
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if (loss > 0) {
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// 如果有loss就充入system的account账户
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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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},
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filter: {
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entity: 'system',
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entityId: application?.systemId,
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},
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}, { dontCollect: true });
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accountOpers.push({
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id: await generateNewIdAsync(),
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data: {
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id: await generateNewIdAsync(),
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totalPlus: loss,
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availPlus: loss,
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accountId: account.id,
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type: 'earn',
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},
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action: 'create',
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});
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}
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await context.operate('deposit', {
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id: await generateNewIdAsync(),
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action: 'succeed',
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data: {
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accountOper$entity: accountOpers,
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},
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filter: {
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id: depositId,
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},
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}, {});
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return 1;
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}
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return 0;
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}
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},
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},
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{
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name: '当pay变为paying状态时，调用外部下单接口',
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entity: 'pay',
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action: ['startPaying'],
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when: 'before',
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priority: 99,
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fn: async ({ operation }, context, option) => {
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const { data, filter } = operation;
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const pays = await context.select('pay', {
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data: fullPayProjection,
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filter,
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}, {});
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assert(pays.length === 1);
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const [pay] = pays;
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const { applicationId, entity, entityId, iState } = pay;
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assert(iState === 'unpaid');
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const payClazz = await getPayClazz(applicationId, entity, entityId, context);
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await payClazz.prepay(pay, data, context);
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return 1;
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},
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},
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{
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name: '当pay开始close时，调用外部关闭订单接口，并中止充值',
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entity: 'pay',
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action: 'close',
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when: 'before',
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priority: 99,
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asRoot: true,
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fn: async ({ operation }, context, option) => {
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const { data, filter } = operation;
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const pays = await context.select('pay', {
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data: fullPayProjection,
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filter,
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}, {});
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assert(pays.length === 1);
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const [pay] = pays;
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const { applicationId, entity, entityId, iState, depositId } = pay;
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assert(iState === 'unpaid' || iState === 'paying');
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let cnt = 0;
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if (iState === 'paying') {
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const payClazz = await getPayClazz(applicationId, entity, entityId, context);
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await payClazz.close(pay);
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cnt++;
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}
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if (depositId) {
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await context.operate('deposit', {
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id: await generateNewIdAsync(),
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action: 'fail',
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data: {},
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filter: {
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id: depositId,
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},
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}, {});
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cnt++;
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}
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return cnt;
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},
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},
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{
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name: '当充值类的pay变成unrefundable时，计算并扣除account上的refundable',
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entity: 'pay',
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action: 'closeRefund',
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filter: {
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orderId: {
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$exists: false,
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},
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},
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when: 'before',
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fn: async ({ operation }, context, option) => {
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const { filter, action, id } = operation;
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const pays = await context.select('pay', {
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data: {
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id: 1,
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orderId: 1,
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price: 1,
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refunded: 1,
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deposit: {
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id: 1,
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accountId: 1,
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}
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},
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filter,
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}, { dontCollect: true });
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let count = 0;
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for (const pay of pays) {
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const { orderId, deposit, price, refunded } = pay;
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assert(!orderId);
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if (price - refunded > 0) {
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// 减少account上可以refund的部分
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await context.operate('accountOper', {
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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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type: 'cutoffRefundable',
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availPlus: 0,
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totalPlus: 0,
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refundablePlus: refunded - price,
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accountId: deposit.accountId,
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entity: 'pay',
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entityId: pay.id,
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},
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}, {});
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count++;
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}
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}
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return count;
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},
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},
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{
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name: '当pay完成支付时，计算相应的account以及syste account中的余额变化',
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entity: 'pay',
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action: 'succeedPaying',
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when: 'after',
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asRoot: true,
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fn: async ({ operation }, context) => {
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const { data, filter } = operation;
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const projection = {
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id: 1,
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paid: 1,
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price: 1,
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entity: 1,
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entityId: 1,
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iState: 1,
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depositId: 1,
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orderId: 1,
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application: {
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systemId: 1,
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}
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};
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const pays = await context.select('pay', {
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data: projection,
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filter,
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}, {});
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assert(pays.length === 1);
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const [pay] = pays;
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const { price, paid, entity, entityId, iState, applicationId, application } = pay;
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assert(iState === 'paid' && paid === price);
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const clazz = await getPayClazz(applicationId, entity, entityId, context);
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const [tax, sysAccountEntity, sysAccountEntityId] = clazz.calcPayTax(paid);
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await context.operate('sysAccountOper', {
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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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delta: paid - tax,
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entity: sysAccountEntity,
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entityId: sysAccountEntityId,
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payId: pay.id,
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type: 'pay',
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}
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}, {});
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if (tax !== 0) {
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// tax产生的损失由sys account来承担
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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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},
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filter: {
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entity: 'system',
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entityId: application.systemId,
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}
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}, { dontCollect: true });
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await context.operate('accountOper', {
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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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accountId: account.id,
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type: 'tax',
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totalPlus: -tax,
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availPlus: -tax,
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entity: 'pay',
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entityId: pay.id,
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},
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}, {});
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return 1;
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}
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return 0;
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},
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},
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{
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name: '当account类型的pay的paid达到price，改为支付成功',
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entity: 'pay',
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asRoot: true,
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action: ['startPaying', 'continuePaying'],
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check(operation) {
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return (!!operation.data.paid) && operation.data.paid > 0;
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},
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filter: {
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entity: 'account',
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},
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when: 'commit',
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fn: async ({ ids }, context) => {
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for (const id of ids) {
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const [row] = await context.select('pay', {
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data: {
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id: 1,
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orderId: 1,
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entity: 1,
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price: 1,
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paid: 1,
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},
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filter: {
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id,
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}
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}, { dontCollect: true });
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assert(row && row.entity === 'account');
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if (row.paid && row.paid === row.price) {
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const closeFn = context.openRootMode();
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await context.operate('pay', {
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id: await generateNewIdAsync(),
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action: 'succeedPaying',
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data: {
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successAt: Date.now(),
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},
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filter: {
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id,
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}
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}, {});
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closeFn();
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}
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}
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}
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},
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{
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name: '当pay完成支付时，计算其refundable和forbidRefundAt',
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entity: 'pay',
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action: 'succeedPaying',
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when: 'before',
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fn: async ({ operation }, context) => {
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const { data, filter } = operation;
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assert(data.successAt);
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const pays = await context.select('pay', {
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data: {
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id: 1,
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entity: 1,
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entityId: 1,
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applicationId: 1,
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},
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filter
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}, { dontCollect: true, forUpdate: true });
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assert(pays.length === 1);
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const [pay] = pays;
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const { applicationId, entity, entityId } = pay;
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const payClazz = await getPayClazz(applicationId, entity, entityId, context);
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const forbidRefundAt = payClazz.getRefundableAt(data.successAt);
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data.forbidRefundAt = forbidRefundAt;
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data.refundable = forbidRefundAt > Date.now();
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return 1;
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},
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},
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];
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export default triggers;
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