package com.cloudroam.common.listener;
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import com.cloudroam.service.PermissionService;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import io.github.talelin.autoconfigure.bean.MetaInfo;
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import io.github.talelin.autoconfigure.bean.PermissionMetaCollector;
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import com.cloudroam.model.PermissionDO;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationListener;
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import org.springframework.context.event.ContextRefreshedEvent;
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import org.springframework.stereotype.Component;
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import java.util.List;
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import java.util.Map;
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/**
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* @author
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* @author
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* 权限监听器
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*/
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@Component
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public class PermissionHandleListener implements ApplicationListener<ContextRefreshedEvent> {
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@Autowired
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private PermissionService permissionService;
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@Autowired
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private PermissionMetaCollector metaCollector;
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@Override
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public void onApplicationEvent(ContextRefreshedEvent event) {
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addNewPermissions();
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removeUnusedPermissions();
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}
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private void addNewPermissions() {
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metaCollector.getMetaMap().values().forEach(meta -> {
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String module = meta.getModule();
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String permission = meta.getPermission();
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createPermissionIfNotExist(permission, module);
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});
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}
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private void removeUnusedPermissions() {
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List<PermissionDO> allPermissions = permissionService.list();
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Map<String, MetaInfo> metaMap = metaCollector.getMetaMap();
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for (PermissionDO permission : allPermissions) {
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boolean stayedInMeta = metaMap
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.values()
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.stream()
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.anyMatch(meta -> meta.getModule().equals(permission.getModule())
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&& meta.getPermission().equals(permission.getName()));
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if (!stayedInMeta) {
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permission.setMount(false);
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permissionService.updateById(permission);
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}
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}
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}
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private void createPermissionIfNotExist(String name, String module) {
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QueryWrapper<PermissionDO> wrapper = new QueryWrapper<>();
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wrapper.lambda().eq(PermissionDO::getName, name).eq(PermissionDO::getModule, module);
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PermissionDO permission = permissionService.getOne(wrapper);
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if (permission == null) {
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permissionService.save(PermissionDO.builder().module(module).name(name).build());
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}
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if (permission != null && !permission.getMount()) {
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permission.setMount(true);
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permissionService.updateById(permission);
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}
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}
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}
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