70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
import { getCos } from '../utils/cos';
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import { OakException } from 'oak-domain/lib/types/Exception';
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const triggers = [
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{
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name: '生成extraFile需要的上传meta',
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when: 'before',
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entity: 'extraFile',
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action: 'create',
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fn: async ({ operation }, context) => {
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const { data } = operation;
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const formMeta = async (data) => {
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const { origin } = data;
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if (origin === 'unknown') {
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Object.assign(data, {
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uploadState: 'success',
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});
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return;
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}
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const cos = getCos(origin);
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if (!cos) {
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throw new OakException(`origin为${origin}的extraFile没有定义Cos类，请调用registerCos注入`);
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}
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await cos.formUploadMeta(data, context);
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Object.assign(data, {
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uploadState: 'uploading',
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});
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};
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if (data instanceof Array) {
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await Promise.all(data.map(ele => formMeta(ele)));
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return data.length;
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}
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await formMeta(data);
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return 1;
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}
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},
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{
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name: '删除extraFile时远端也进行删除',
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when: 'commit',
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strict: 'makeSure',
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entity: 'extraFile',
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action: 'remove',
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fn: async ({ ids }, context) => {
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const rows = await context.select('extraFile', {
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data: {
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id: 1,
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origin: 1,
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objectId: 1,
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},
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filter: {
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id: { $in: ids },
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},
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}, {});
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for (const extraFile of rows) {
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const { origin, objectId } = extraFile;
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// 用objectId来去重，只有当没有还有效的objectId方可删除
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const count = await context.count('extraFile', {
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filter: {
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objectId: objectId,
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},
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}, {});
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if (count === 0) {
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const uploader = getCos(origin);
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await uploader.removeFile(extraFile, context);
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}
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}
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}
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},
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];
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export default triggers;
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