74 lines
2.8 KiB
JavaScript
74 lines
2.8 KiB
JavaScript
import { fullPayProjection } from '../utils/pay';
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import { getPayClazz } from '../utils/payClazz';
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import assert from 'assert';
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import { generateNewIdAsync } from 'oak-domain/lib/utils/uuid';
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import { mergeOperationResult } from 'oak-domain/lib/utils/operationResult';
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const QUERY_PAYING_STATE_GAP = 3600 * 1000;
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const watchers = [
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{
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name: '对paying状态的订单，同步其真实支付状态',
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entity: 'pay',
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filter: async () => {
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const now = Date.now();
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return {
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iState: 'paying',
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$$updateAt$$: {
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$lte: now - QUERY_PAYING_STATE_GAP,
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},
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externalId: {
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$exists: true,
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}
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};
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},
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projection: fullPayProjection,
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fn: async (context, data) => {
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const results = [];
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for (const pay of data) {
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const { applicationId, channel, timeoutAt } = pay;
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const clazz = await getPayClazz(applicationId, channel, context);
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const iState = await clazz.getState(pay);
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if (iState !== pay.iState) {
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let action = 'close';
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switch (iState) {
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case 'closed': {
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// action = 'close';
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break;
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}
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case 'paid': {
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action = 'succeedPaying';
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break;
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}
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default: {
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assert(false);
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}
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}
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const result = await context.operate('pay', {
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id: await generateNewIdAsync(),
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action,
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data: {},
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filter: {
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id: pay.id,
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}
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}, {});
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results.push(result);
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}
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else if (iState === 'paying' && timeoutAt < Date.now()) {
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// 尝试关闭订单
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// 理论上用户可能在上一个getState和这个close之间支付完成，此时关闭失败，下一个Watcher到来时就能处理成功了
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const result = await context.operate('pay', {
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id: await generateNewIdAsync(),
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action: 'close',
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data: {},
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filter: {
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id: pay.id,
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}
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}, {});
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results.push(result);
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}
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}
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return results.reduce((prev, cur) => mergeOperationResult(prev, cur));
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}
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}
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];
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export default watchers;
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