import * as api from '@/api';
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/**
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*
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* @param structure target :{ name:属性名称,field:字段名称 } entity: {name:dataName,field} type 'object' || 'list'
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* @returns {[{}]}
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*/
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const useStructureData = (structure) => {
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const actionStructure = async (data) => {
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structure.forEach(e => {
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const target = data[e.target.name];
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if (typeof target === 'object') {
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if (target instanceof Array) {
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e.filter = Array.from(new Set(target.map(t => t[e.target.field]).filter(Boolean)));
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} else {
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e.filter = [target[e.target.field]];
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}
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}
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});
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const result = await Promise.all(
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structure.map(e =>
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e.filter.length ?
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api.entity.getEntitySet({
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dataName: e.entity.name,
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attachMeta: true,
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filter: `${e.entity.field} in (${e.filter.reduce((prev, cur) => `${prev},'${cur}'`, '').substring(1)})`
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}) :
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Promise.resolve({data: {entityset: []}}))
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);
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structure.forEach((e, i) => {
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const target = data[e.target.name];
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if (typeof target === 'object') {
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const {type} = e;
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if (target instanceof Array) {
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target.forEach(t => {
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if (type === 'object') {
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t[`$${e.target.field}`] = result[i].data.entityset.find(d => d[e.entity.field] === t[e.target.field]);
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}
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if (type === 'list') {
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t[`$${e.target.field}`] = result[i].data.entityset.filter(d => d[e.entity.field] === t[e.target.field]);
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}
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});
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} else {
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if (type === 'object') {
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target[`$${e.target.field}`] = result[i].data.entityset[0];
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}
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if (type === 'list') {
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target[`$${e.target.field}`] = result[i].data.entityset.filter(d => d[e.entity.field] === t[e.target.field]);
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}
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}
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}
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});
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return data;
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}
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return [actionStructure]
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}
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export default {
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useStructureData
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};
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