[ADD] 部署削除機能の実装

src/main/java/com/example/rhizome/app/domain/service/DeleteDepartment.java

@@ -0,0 +1,6 @@
+package com.example.rhizome.app.domain.service;
+
+public interface DeleteDepartment {
+	void deleteDepartment(Integer idDepartment);
+
+}

src/main/java/com/example/rhizome/app/presentation/controller/DeleteDepartmentController.java

@@ -0,0 +1,100 @@
+package com.example.rhizome.app.presentation.controller;
+
+import static com.example.rhizome.app.presentation.controller.pageproperty.TransitionTargetPageNameKeyword.*;
+
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.servlet.http.HttpSession;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import com.example.rhizome.aop.aspect.PermissionCheck;
+import com.example.rhizome.aop.aspect.SessionCheck;
+import com.example.rhizome.app.domain.model.Employee;
+import com.example.rhizome.app.domain.model.SearchConditionDepartment;
+import com.example.rhizome.app.domain.service.DeleteDepartment;
+import com.example.rhizome.app.domain.service.SearchDepartment;
+import com.example.rhizome.app.domain.service.SearchEmployee;
+import com.example.rhizome.app.presentation.controller.pageproperty.PageReturnAttributeKeyword;
+import com.example.rhizome.app.presentation.controller.pageproperty.TransitionTargetPageNameKeyword;
+import com.example.rhizome.app.presentation.form.DepartmentForm;
+import com.example.rhizome.app.presentation.form.MessageForm;
+
+@Controller
+public class DeleteDepartmentController {
+
+	private final static Logger LOGGER = Logger.getLogger(DeleteDepartmentController.class.getName());
+
+	private final static String SEVERE_ERROR_MESSAGE = "エラーが発生しました！";
+
+	HttpSession httpSession;
+	DeleteDepartment deleteDepartment;
+	SearchDepartment searchDepartment;
+	SearchEmployee searchEmployee;
+
+	@Autowired
+	public DeleteDepartmentController(DeleteDepartment deleteDepartment, HttpSession httpSession,
+			SearchDepartment searchDepartment, SearchEmployee searchEmployee) {
+		this.httpSession = httpSession;
+		this.deleteDepartment = deleteDepartment;
+		this.searchDepartment = searchDepartment;
+		this.searchEmployee = searchEmployee;
+	}
+
+	@PermissionCheck
+	@SessionCheck
+	@RequestMapping(value = DELETE_DEPARTMENT, method = RequestMethod.POST)
+	public String deleteD(@RequestParam("idDepartment") Integer idDepartment, Model model) {
+
+		try {
+
+			List<DepartmentForm> list = DepartmentForm.convertFrom(
+					searchDepartment.searchByDepartmentId(new SearchConditionDepartment(idDepartment, null)));
+
+			deleteExec(
+					model,
+					idDepartment,
+					list);
+
+			return "forward:" + TransitionTargetPageNameKeyword.SELECT_DEPARTMENT_INFO_FORM_EMPTY;
+
+		} catch (Exception e) {
+			httpSession.invalidate();
+
+			e.printStackTrace();
+			LOGGER.log(Level.SEVERE, SEVERE_ERROR_MESSAGE, e);
+			return TransitionTargetPageNameKeyword.ERROR_HTML;
+		}
+	}
+
+	private void deleteExec(Model model, Integer idDepartment, List<DepartmentForm> list) {
+
+		final String DELETE_ID_NOT_EXISTS = "削除対象のIDが不明です。";
+		final String DELETE_TARGET_ID_CAN_NOT_DELETE = "1名以上が所属している部署は削除出来ません。";
+		final String DELETE_COMPLETE = "削除しました。";
+
+		if (list.isEmpty()) {
+			model.addAttribute(PageReturnAttributeKeyword.MESSAGE_ERROR, new MessageForm(DELETE_ID_NOT_EXISTS));
+		}
+
+		List<Employee> employee = searchEmployee.searchEmployeeByIdDepartment(list.get(0).getIdDepartment());
+
+		if (!employee.isEmpty()) {
+			model.addAttribute(PageReturnAttributeKeyword.MESSAGE_ERROR,
+					new MessageForm(DELETE_TARGET_ID_CAN_NOT_DELETE));
+			return;
+		}
+
+		deleteDepartment.deleteDepartment(idDepartment);
+
+		model.addAttribute(PageReturnAttributeKeyword.MESSAGE_INFO, new MessageForm(DELETE_COMPLETE));
+
+	}
+}