package cn.iocoder.yudao.module.mes.service.md.autocode;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.util.StrUtil;
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import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
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import cn.iocoder.yudao.module.mes.dal.dataobject.md.autocode.MesMdAutoCodePartDO;
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import cn.iocoder.yudao.module.mes.dal.dataobject.md.autocode.MesMdAutoCodeRecordDO;
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import cn.iocoder.yudao.module.mes.dal.dataobject.md.autocode.MesMdAutoCodeRuleDO;
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import cn.iocoder.yudao.module.mes.dal.mysql.md.autocode.MesMdAutoCodeRecordMapper;
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import cn.iocoder.yudao.module.mes.enums.md.autocode.MesMdAutoCodePaddedMethodEnum;
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import cn.iocoder.yudao.module.mes.service.md.autocode.strategy.MesMdAutoCodeContext;
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import cn.iocoder.yudao.module.mes.service.md.autocode.strategy.MesMdAutoCodePartStrategy;
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import jakarta.annotation.PostConstruct;
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import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.validation.annotation.Validated;
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import java.util.List;
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import java.util.Map;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.mes.enums.ErrorCodeConstants.*;
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/**
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* MES 编码生成记录 Service 实现类
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*
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* @author 芋道源码
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*/
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@Service
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@Validated
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public class MesMdAutoCodeRecordServiceImpl implements MesMdAutoCodeRecordService {
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@Resource
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private MesMdAutoCodeRecordMapper recordMapper;
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@Resource
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private MesMdAutoCodeRuleService ruleService;
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@Resource
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private MesMdAutoCodePartService partService;
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@Resource
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private List<MesMdAutoCodePartStrategy> strategyList;
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private Map<Integer, MesMdAutoCodePartStrategy> strategyMap;
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@PostConstruct
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public void init() {
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strategyMap = CollectionUtils.convertMap(strategyList, MesMdAutoCodePartStrategy::getType);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public String generateAutoCode(String ruleCode, String inputChar) {
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// 1.1 查询规则
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MesMdAutoCodeRuleDO rule = ruleService.getAutoCodeRuleByCode(ruleCode);
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if (rule == null) {
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throw exception(AUTO_CODE_RULE_NOT_EXISTS);
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}
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// 1.2 查询规则组成
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List<MesMdAutoCodePartDO> parts = partService.getAutoCodePartListByRuleId(rule.getId());
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if (CollUtil.isEmpty(parts)) {
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throw exception(AUTO_CODE_GENERATE_FAILED);
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}
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// 2.1 构建上下文
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MesMdAutoCodeContext context = new MesMdAutoCodeContext()
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.setRule(rule).setParts(parts).setInputChar(inputChar);
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// 2.2 遍历分段，生成编码
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StringBuilder codeBuilder = new StringBuilder();
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for (MesMdAutoCodePartDO part : parts) {
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MesMdAutoCodePartStrategy strategy = strategyMap.get(part.getType());
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Assert.notNull(strategy, () -> exception(AUTO_CODE_GENERATE_FAILED));
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// 生成分段编码
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String partCode = strategy.generate(part, context);
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// 统一截取指定长度
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partCode = StrUtil.sub(partCode, 0, part.getLength());
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// 拼接分段编码
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codeBuilder.append(partCode);
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}
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// 2.3 补齐处理
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String result = codeBuilder.toString();
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if (Boolean.TRUE.equals(rule.getPadded()) && rule.getMaxLength() != null) {
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result = padCode(result, rule);
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}
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// 3.1 二次校验（防止重复）
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MesMdAutoCodeRecordDO existRecord = recordMapper.selectByResult(result);
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if (existRecord != null) {
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throw exception(AUTO_CODE_GENERATE_FAILED);
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}
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// 3.2 保存生成记录
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MesMdAutoCodeRecordDO record = new MesMdAutoCodeRecordDO()
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.setRuleId(rule.getId()).setResult(result)
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.setSerialNo(context.getSerialNo()).setInputChar(inputChar);
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recordMapper.insert(record);
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return result;
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}
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/**
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* 补齐编码
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*/
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private String padCode(String code, MesMdAutoCodeRuleDO rule) {
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if (code.length() >= rule.getMaxLength()) {
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return StrUtil.sub(code, 0, rule.getMaxLength());
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}
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String paddedChar = StrUtil.emptyToDefault(rule.getPaddedChar(), "0");
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Integer paddedMethod = rule.getPaddedMethod() != null ? rule.getPaddedMethod() : MesMdAutoCodePaddedMethodEnum.LEFT.getMethod();
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if (MesMdAutoCodePaddedMethodEnum.LEFT.getMethod().equals(paddedMethod)) {
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// 左补齐
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return StrUtil.padPre(code, rule.getMaxLength(), paddedChar.charAt(0));
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} else {
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// 右补齐
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return StrUtil.padAfter(code, rule.getMaxLength(), paddedChar.charAt(0));
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}
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}
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}
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