refactor: 获取字典的方法 提取公共函数 减少冗余代码
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@ -1,15 +1,22 @@
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import type { DictData } from '#/api/system/dict/dict-data-model';
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import { dictDataInfo } from '#/api/system/dict/dict-data';
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import { type Option, useDictStore } from '#/store/dict';
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import { useDictStore } from '#/store/dict';
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/**
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* 抽取公共逻辑的基础方法
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* @param dictName 字典名称
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* @param dataGetter 获取字典数据的函数
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* @returns 数据
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*/
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function fetchAndCacheDictData<T>(
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dictName: string,
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dataGetter: () => T[],
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): T[] {
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const { dictRequestCache, setDictInfo } = useDictStore();
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// 有调用方决定如何获取数据
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const dataList = dataGetter();
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// todo 重复代码的封装
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export function getDict(dictName: string): DictData[] {
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const { dictRequestCache, getDict, setDictInfo } = useDictStore();
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// 这里拿到
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const dictList = getDict(dictName);
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// 检查请求状态缓存
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if (dictList.length === 0 && !dictRequestCache.has(dictName)) {
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if (dataList.length === 0 && !dictRequestCache.has(dictName)) {
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dictRequestCache.set(
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dictName,
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dictDataInfo(dictName)
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@ -25,40 +32,31 @@ export function getDict(dictName: string): DictData[] {
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* 会导致if一直进入逻辑导致接口无限刷新
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* 在这里dictList为空时 不删除缓存
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*/
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if (dictList.length > 0) {
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if (dataList.length > 0) {
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dictRequestCache.delete(dictName);
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}
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}),
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);
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}
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return dictList;
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return dataList;
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}
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export function getDictOptions(dictName: string): Option[] {
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const { dictRequestCache, getDictOptions, setDictInfo } = useDictStore();
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const dictOptionList = getDictOptions(dictName);
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// 检查请求状态缓存
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if (dictOptionList.length === 0 && !dictRequestCache.has(dictName)) {
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dictRequestCache.set(
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dictName,
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dictDataInfo(dictName)
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.then((resp) => {
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// 缓存到store 这样就不用重复获取了
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// 内部处理了push的逻辑 这里不用push
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setDictInfo(dictName, resp);
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})
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.finally(() => {
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// 移除请求状态缓存
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/**
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* 这里主要判断字典item为空的情况(无奈兼容 不给字典item本来就是错误用法)
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* 会导致if一直进入逻辑导致接口五线刷新
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* 在这里dictList为空时 不删除缓存
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* 这里是提供给渲染标签使用的方法
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* @param dictName 字典名称
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* @returns 字典信息
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*/
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if (dictOptionList.length > 0) {
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dictRequestCache.delete(dictName);
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export function getDict(dictName: string) {
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const { getDict } = useDictStore();
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return fetchAndCacheDictData(dictName, () => getDict(dictName));
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}
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}),
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);
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}
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return dictOptionList;
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/**
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* 一般是Select, Radio, Checkbox等组件使用
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* @param dictName 字典名称
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* @returns Options数组
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*/
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export function getDictOptions(dictName: string) {
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const { getDictOptions } = useDictStore();
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return fetchAndCacheDictData(dictName, () => getDictOptions(dictName));
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}
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