116 lines
4.5 KiB
JavaScript
116 lines
4.5 KiB
JavaScript
import { getCosBackend } from '../utils/cos/index.backend';
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import { OakException } from 'oak-domain/lib/types/Exception';
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import { applicationProjection } from '../types/Projection';
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import assert from 'assert';
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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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priority: 9,
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fn: async ({ operation }, context) => {
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const { data } = operation;
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let cachedOrigin = undefined;
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const getCosOrigin = async () => {
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if (cachedOrigin) {
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return cachedOrigin;
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}
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const [application] = await context.select("application", {
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data: {
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config: 1,
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system: {
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config: 1,
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platform: {
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config: 1
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}
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}
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},
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filter: {
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id: context.getApplicationId(),
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},
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}, {
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dontCollect: true
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});
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assert(application, `找不到 当前应用程序`);
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cachedOrigin = application.config?.cos?.defaultOrigin ||
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application.system?.config?.Cos?.defaultOrigin ||
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application.system?.platform?.config?.Cos?.defaultOrigin;
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return cachedOrigin;
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};
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const formMeta = async (data) => {
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// 如果提供了就用提供的origin，否则尝试从应用程序、系统配置、平台配置中获取默认的Cos源
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const configOrigin = data.origin || await getCosOrigin();
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data.origin = configOrigin;
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assert(configOrigin, `extraFile的origin未指定，且应用程序、系统配置、平台配置中也没有默认的Cos源，请检查`);
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if (!data.applicationId) {
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data.applicationId = context.getApplicationId();
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}
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if (configOrigin === '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 = getCosBackend(configOrigin);
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if (!cos) {
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throw new OakException(`origin为${configOrigin}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(context.getApplication(), 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 fn = context.openRootMode();
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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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bucket: 1,
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extension: 1,
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entity: 1,
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entityId: 1,
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extra2: 1,
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applicationId: 1,
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application: applicationProjection
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},
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filter: {
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id: { $in: ids },
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},
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}, { includedDeleted: true });
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for (const extraFile of rows) {
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const { origin, objectId, application } = 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 = getCosBackend(origin);
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const application2 = context.getApplication(true) || application;
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await uploader.removeFile(application2, extraFile, context);
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}
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}
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fn();
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}
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},
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];
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export default triggers;
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