init

backend/src/main/java/com/zl/mjga/service/DepartmentService.java

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+package com.zl.mjga.service;
+
+import static org.jooq.generated.mjga.tables.Department.DEPARTMENT;
+
+import com.zl.mjga.dto.PageRequestDto;
+import com.zl.mjga.dto.PageResponseDto;
+import com.zl.mjga.dto.department.DepartmentQueryDto;
+import com.zl.mjga.dto.department.DepartmentRespDto;
+import com.zl.mjga.repository.DepartmentRepository;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.jooq.Record;
+import org.jooq.Result;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+@RequiredArgsConstructor
+public class DepartmentService {
+
+  private final DepartmentRepository departmentRepository;
+
+  public PageResponseDto<List<DepartmentRespDto>> pageQueryDepartment(
+      PageRequestDto pageRequestDto, DepartmentQueryDto departmentQueryDto) {
+    Result<Record> records = departmentRepository.pageFetchBy(pageRequestDto, departmentQueryDto);
+    if (records.isEmpty()) {
+      return PageResponseDto.empty();
+    }
+    List<DepartmentRespDto> departments =
+        records.map(
+            record -> {
+              return DepartmentRespDto.builder()
+                  .id(record.getValue(DEPARTMENT.ID))
+                  .name(record.getValue(DEPARTMENT.NAME))
+                  .parentId(record.getValue(DEPARTMENT.PARENT_ID))
+                  .isBound(
+                      record.field("is_bound") != null
+                          ? record.get("is_bound", Boolean.class)
+                          : null)
+                  .parentName(record.get("parent_name", String.class))
+                  .build();
+            });
+    Long totalDepartment = records.get(0).getValue("total_department", Long.class);
+    return new PageResponseDto<>(totalDepartment, departments);
+  }
+}