Dict.js
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import Vue from 'vue'
import { mergeRecursive } from "@/utils/ruoyi";
import DictMeta from './DictMeta'
import DictData from './DictData'
const DEFAULT_DICT_OPTIONS = {
types: [],
}
/**
* @classdesc 字典
* @property {Object} label 标签对象，内部属性名为字典类型名称
* @property {Object} dict 字段数组，内部属性名为字典类型名称
* @property {Array.<DictMeta>} _dictMetas 字典元数据数组
*/
export default class Dict {
constructor() {
this.owner = null
this.label = {}
this.type = {}
}
init(options) {
if (options instanceof Array) {
options = { types: options }
}
const opts = mergeRecursive(DEFAULT_DICT_OPTIONS, options)
if (opts.types === undefined) {
throw new Error('need dict types')
}
const ps = []
this._dictMetas = opts.types.map(t => DictMeta.parse(t))
this._dictMetas.forEach(dictMeta => {
const type = dictMeta.type
Vue.set(this.label, type, {})
Vue.set(this.type, type, [])
if (dictMeta.lazy) {
return
}
ps.push(loadDict(this, dictMeta))
})
return Promise.all(ps)
}
/**
* 重新加载字典
* @param {String} type 字典类型
*/
reloadDict(type) {
const dictMeta = this._dictMetas.find(e => e.type === type)
if (dictMeta === undefined) {
return Promise.reject(`the dict meta of ${type} was not found`)
}
return loadDict(this, dictMeta)
}
}
/**
* 加载字典
* @param {Dict} dict 字典
* @param {DictMeta} dictMeta 字典元数据
* @returns {Promise}
*/
function loadDict(dict, dictMeta) {
return dictMeta.request(dictMeta)
.then(response => {
const type = dictMeta.type
let dicts = dictMeta.responseConverter(response, dictMeta)
if (!(dicts instanceof Array)) {
console.error('the return of responseConverter must be Array.<DictData>')
dicts = []
} else if (dicts.filter(d => d instanceof DictData).length !== dicts.length) {
console.error('the type of elements in dicts must be DictData')
dicts = []
}
dict.type[type].splice(0, Number.MAX_SAFE_INTEGER, ...dicts)
dicts.forEach(d => {
Vue.set(dict.label[type], d.value, d.label)
})
return dicts
})
}