feat: added OfficeService and implement in OfficeServiceImpl

src/main/java/com/example/nto/service/OfficeService.java

@@ -0,0 +1,16 @@
+package com.example.nto.service;
+
+import com.example.nto.dto.entity.OfficeDTO;
+
+import java.util.List;
+
+public interface OfficeService {
+    List<OfficeDTO> getAllOffice();
+    OfficeDTO getById(long officeId);
+
+    OfficeDTO create(OfficeDTO officeDTO);
+    OfficeDTO update(long officeId, OfficeDTO officeDTO);
+    void delete(long officeId);
+
+    void patchBlockVolunteer(long id, boolean blockStatus);
+}

src/main/java/com/example/nto/service/impl/OfficeServiceImpl.java

@@ -0,0 +1,47 @@
+package com.example.nto.service.impl;
+
+import com.example.nto.dto.entity.OfficeDTO;
+import com.example.nto.dto.mappers.OfficeMapper;
+import com.example.nto.repository.OfficeRepository;
+import com.example.nto.service.OfficeService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class OfficeServiceImpl implements OfficeService {
+    private final OfficeRepository officeRepository;
+
+    @Override
+    public List<OfficeDTO> getAllOffice() {
+        return officeRepository.findAll().stream().map(OfficeMapper::convertToDTO).collect(Collectors.toList());
+    }
+
+    @Override
+    public OfficeDTO getById(long officeId) {
+        return null;
+    }
+
+    @Override
+    public OfficeDTO create(OfficeDTO officeDTO) {
+        return null;
+    }
+
+    @Override
+    public OfficeDTO update(long officeId, OfficeDTO officeDTO) {
+        return null;
+    }
+
+    @Override
+    public void delete(long officeId) {
+
+    }
+
+    @Override
+    public void patchBlockVolunteer(long id, boolean blockStatus) {
+
+    }
+}