refactor(vo): 重构VO对象结构，统一字段命名和接口实现

重构所有VO对象，统一字段命名规范，移除冗余字段，优化接口实现
新增Voable接口用于VO对象转换
调整BaseViewModel和ProjectBasedViewModel接口定义
更新相关服务和控制器以适应VO对象变更

client/src/main/java/com/ecep/contract/service/CompanyOldNameService.java

@@ -1,15 +1,17 @@
 package com.ecep.contract.service;
 
+import java.io.File;
 import java.time.LocalDate;
-import java.util.HashMap;
 import java.util.List;
 
-import com.ecep.contract.model.IdentityEntity;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
 
-import com.ecep.contract.model.Company;
-import com.ecep.contract.model.CompanyOldName;
+import com.ecep.contract.model.IdentityEntity;
+import com.ecep.contract.util.FileUtils;
 import com.ecep.contract.util.ParamUtils;
 import com.ecep.contract.vm.CompanyOldNameViewModel;
 import com.ecep.contract.vo.CompanyOldNameVo;
@@ -17,15 +19,67 @@ import com.ecep.contract.vo.CompanyVo;
 
 @Service
 public class CompanyOldNameService extends QueryService<CompanyOldNameVo, CompanyOldNameViewModel> {
+    @Autowired
+    private CompanyService companyService;
 
     public boolean makePathAbsent(CompanyOldNameVo companyOldName) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'makePathAbsent'");
+        String path = companyOldName.getPath();
+        if (StringUtils.hasText(path)) {
+            File file = new File(path);
+            if (file.exists()) {
+                return false;
+            }
+        }
+
+        File dir = makePath(companyOldName);
+        if (dir == null) {
+            return false;
+        }
+        if (!dir.exists()) {
+            return false;
+        }
+        companyOldName.setPath(dir.getAbsolutePath());
+        return true;
     }
 
-    public CompanyOldName findMatchByDate(CompanyVo company, LocalDate localDate) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'findMatchByDate'");
+    public File makePath(CompanyOldNameVo companyOldName) {
+        String oldName = companyOldName.getName();
+        File basePath = companyService.getBasePath();
+        CompanyVo company = companyService.findById(companyOldName.getCompanyId());
+        String district = company.getDistrict();
+        if (StringUtils.hasText(district)) {
+            String parentPrefix = FileUtils.getParentPrefixByDistrict(district);
+            if (parentPrefix != null) {
+                File parent = new File(basePath, parentPrefix);
+                if (!parent.exists()) {
+                    if (!parent.mkdir()) {
+                        return null;
+                    }
+                }
+                String fileName = FileUtils.escapeFileName(oldName);
+                File dir = new File(parent, fileName);
+                if (!dir.exists()) {
+                    if (!dir.mkdir()) {
+                        return null;
+                    }
+                }
+                return dir;
+            }
+        }
+        return null;
+    }
+
+    public CompanyOldNameVo findMatchByDate(CompanyVo company, LocalDate localDate) {
+        Page<CompanyOldNameVo> page = findAll(ParamUtils.builder()
+                .equals("ambiguity", false)
+                .equals("company", company.getId())
+                .and(b -> b.isNotNull("beginDate").greaterThan("beginDate", localDate))
+                .and(b -> b.isNotNull("endDate").lessThan("endDate", localDate))
+                .build(), Pageable.ofSize(1));
+        if (page.isEmpty()) {
+            return null;
+        }
+        return page.getContent().getFirst();
     }
 
     public List<CompanyOldNameVo> findAllByCompanyAndName(CompanyVo company, String oldName) {