package com.iailab.module.system.service.mail;
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import cn.hutool.core.util.ObjUtil;
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import cn.hutool.core.util.ReUtil;
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import cn.hutool.core.util.StrUtil;
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import com.iailab.framework.common.pojo.PageResult;
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import com.iailab.framework.common.util.object.BeanUtils;
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import com.iailab.module.system.controller.admin.mail.vo.template.MailTemplatePageReqVO;
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import com.iailab.module.system.controller.admin.mail.vo.template.MailTemplateSaveReqVO;
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import com.iailab.module.system.dal.dataobject.mail.MailTemplateDO;
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import com.iailab.module.system.dal.mysql.mail.MailTemplateMapper;
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import com.iailab.module.system.dal.redis.RedisKeyConstants;
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import com.google.common.annotations.VisibleForTesting;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import javax.annotation.Resource;
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import javax.validation.Valid;
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import java.util.List;
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import java.util.Map;
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import java.util.regex.Pattern;
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import static com.iailab.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static com.iailab.module.system.enums.ErrorCodeConstants.MAIL_TEMPLATE_CODE_EXISTS;
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import static com.iailab.module.system.enums.ErrorCodeConstants.MAIL_TEMPLATE_NOT_EXISTS;
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/**
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* 邮箱模版 Service 实现类
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*
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* @author wangjingyi
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* @since 2022-03-21
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*/
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@Service
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@Validated
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@Slf4j
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public class MailTemplateServiceImpl implements MailTemplateService {
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/**
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* 正则表达式,匹配 {} 中的变量
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*/
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private static final Pattern PATTERN_PARAMS = Pattern.compile("\\{(.*?)}");
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@Resource
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private MailTemplateMapper mailTemplateMapper;
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@Override
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public Long createMailTemplate(MailTemplateSaveReqVO createReqVO) {
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// 校验 code 是否唯一
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validateCodeUnique(null, createReqVO.getCode());
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// 插入
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MailTemplateDO template = BeanUtils.toBean(createReqVO, MailTemplateDO.class)
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.setParams(parseTemplateContentParams(createReqVO.getContent()));
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mailTemplateMapper.insert(template);
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return template.getId();
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}
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@Override
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@CacheEvict(cacheNames = RedisKeyConstants.MAIL_TEMPLATE,
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allEntries = true) // allEntries 清空所有缓存,因为可能修改到 code 字段,不好清理
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public void updateMailTemplate(@Valid MailTemplateSaveReqVO updateReqVO) {
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// 校验是否存在
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validateMailTemplateExists(updateReqVO.getId());
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// 校验 code 是否唯一
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validateCodeUnique(updateReqVO.getId(),updateReqVO.getCode());
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// 更新
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MailTemplateDO updateObj = BeanUtils.toBean(updateReqVO, MailTemplateDO.class)
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.setParams(parseTemplateContentParams(updateReqVO.getContent()));
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mailTemplateMapper.updateById(updateObj);
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}
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@VisibleForTesting
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void validateCodeUnique(Long id, String code) {
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MailTemplateDO template = mailTemplateMapper.selectByCode(code);
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if (template == null) {
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return;
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}
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// 存在 template 记录的情况下
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if (id == null // 新增时,说明重复
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|| ObjUtil.notEqual(id, template.getId())) { // 更新时,如果 id 不一致,说明重复
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throw exception(MAIL_TEMPLATE_CODE_EXISTS);
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}
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}
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@Override
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@CacheEvict(cacheNames = RedisKeyConstants.MAIL_TEMPLATE,
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allEntries = true) // allEntries 清空所有缓存,因为 id 不是直接的缓存 code,不好清理
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public void deleteMailTemplate(Long id) {
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// 校验是否存在
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validateMailTemplateExists(id);
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// 删除
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mailTemplateMapper.deleteById(id);
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}
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private void validateMailTemplateExists(Long id) {
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if (mailTemplateMapper.selectById(id) == null) {
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throw exception(MAIL_TEMPLATE_NOT_EXISTS);
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}
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}
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@Override
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public MailTemplateDO getMailTemplate(Long id) {return mailTemplateMapper.selectById(id);}
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@Override
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@Cacheable(value = RedisKeyConstants.MAIL_TEMPLATE, key = "#code", unless = "#result == null")
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public MailTemplateDO getMailTemplateByCodeFromCache(String code) {
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return mailTemplateMapper.selectByCode(code);
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}
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@Override
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public PageResult<MailTemplateDO> getMailTemplatePage(MailTemplatePageReqVO pageReqVO) {
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return mailTemplateMapper.selectPage(pageReqVO);
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}
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@Override
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public List<MailTemplateDO> getMailTemplateList() {return mailTemplateMapper.selectList();}
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@Override
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public String formatMailTemplateContent(String content, Map<String, Object> params) {
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return StrUtil.format(content, params);
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}
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@VisibleForTesting
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public List<String> parseTemplateContentParams(String content) {
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return ReUtil.findAllGroup1(PATTERN_PARAMS, content);
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}
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@Override
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public long getMailTemplateCountByAccountId(Long accountId) {
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return mailTemplateMapper.selectCountByAccountId(accountId);
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}
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}
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