182 lines
6.3 KiB
JavaScript
182 lines
6.3 KiB
JavaScript
import { assert } from 'oak-domain/lib/utils/assert';
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import { generateNewIdAsync } from 'oak-domain/lib/utils/uuid';
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import { OakPreConditionUnsetException } from 'oak-domain/lib/types';
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const triggers = [
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{
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name: '在创建文章分类时，查询文章分类是否重名',
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entity: 'articleMenu',
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action: 'create',
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when: 'before',
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fn: async (event, context) => {
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const { operation: { data }, } = event;
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assert(!(data instanceof Array)); // 不可能是成组创建
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if (data.name) {
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const { entity, entityId } = data;
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const [articleMenu] = await context.select('articleMenu', {
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data: {
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id: 1,
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name: 1,
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parentId: 1,
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},
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filter: {
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entity,
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entityId,
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name: data.name,
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parentId: data.parentId
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? data.parentId
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: {
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$exists: false,
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},
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},
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}, {});
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if (articleMenu) {
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throw new OakPreConditionUnsetException(`父分类的同一子集中存在同名分类【${data.name}】，请重新输入`);
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}
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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: '在创建文章分类时，文章分类的父节点的【isLeaf】置为【true】',
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entity: 'articleMenu',
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action: 'create',
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when: 'after',
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fn: async (event, context) => {
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const { operation: { data, filter }, } = event;
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assert(!(data instanceof Array));
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const { id } = data;
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const [articleMenu] = await context.select('articleMenu', {
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data: {
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id: 1,
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name: 1,
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parentId: 1,
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parent: {
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id: 1,
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isLeaf: 1,
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},
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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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if (articleMenu &&
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articleMenu.parent &&
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!articleMenu.parent.isLeaf) {
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await context.operate('articleMenu', {
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id: await generateNewIdAsync(),
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action: 'update',
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data: {
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isLeaf: true,
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},
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filter: {
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id: articleMenu.parentId,
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},
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}, {
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blockTrigger: true,
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});
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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: '在删除文章分类前，将文章分类的父节点的【isLeaf】置为【false】,同时删除extraFile',
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entity: 'articleMenu',
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action: 'remove',
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when: 'before',
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fn: async (event, context) => {
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const { operation: { data, filter }, } = event;
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const [articleMenu] = await context.select('articleMenu', {
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data: {
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id: 1,
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name: 1,
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parentId: 1,
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parent: {
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id: 1,
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isLeaf: 1,
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},
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},
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filter,
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}, {});
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await context.operate('extraFile', {
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id: await generateNewIdAsync(),
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action: 'remove',
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data: {},
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filter: {
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entityId: filter.id,
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},
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}, {});
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if (articleMenu && articleMenu.parentId) {
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const articleMenus = await context.select('articleMenu', {
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data: {
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id: 1,
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},
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filter: {
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parentId: articleMenu.parentId,
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id: {
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$ne: articleMenu.id,
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},
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},
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}, {});
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if (articleMenus.length === 0) {
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await context.operate('articleMenu', {
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id: await generateNewIdAsync(),
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action: 'update',
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data: {
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isLeaf: false,
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},
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filter: {
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id: articleMenu.parentId,
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},
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}, {});
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}
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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: '在更新文章分类时，查询文章分类是否重名',
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entity: 'articleMenu',
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action: 'update',
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when: 'before',
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fn: async (event, context) => {
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const { operation: { data, filter }, } = event;
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assert(!(data instanceof Array)); // 不可能是成组创建
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if (data.name) {
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const [articleMenu] = await context.select('articleMenu', {
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data: {
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id: 1,
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name: 1,
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parentId: 1,
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},
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filter,
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}, {});
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if (articleMenu) {
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const [articleMenu2] = await context.select('articleMenu', {
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data: {
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id: 1,
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name: 1,
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parentId: 1,
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},
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filter: {
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name: data.name,
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parentId: articleMenu.parentId
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? articleMenu.parentId
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: {
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$exists: false,
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},
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id: {
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$ne: articleMenu.id
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}
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},
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}, {});
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if (articleMenu2) {
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throw new OakPreConditionUnsetException(`父分类的同一子集中存在同名分类【${data.name}】，请重新输入`);
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}
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}
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}
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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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