파견 관리 UX 고도화, 비동기 알림 트리거 연동 보강, 스마트 라우팅 반영 작업

backend/src/main/java/com/srsystem/service/DispatchHistoryService.java

@@ -26,6 +26,7 @@ public class DispatchHistoryService {
     private final DispatchHistoryRepository dispatchHistoryRepository;
     private final EmployeeRepository employeeRepository;
     private final ProjectRepository projectRepository;
+    private final NotificationPublisher notificationPublisher;
 
     public List<DispatchHistory> findByEmployeeId(Long empId) {
         employeeRepository.findById(empId)
@@ -78,7 +79,22 @@ public class DispatchHistoryService {
                 .startDate(request.startDate() != null ? request.startDate() : LocalDate.now())
                 .build();
 
-        return dispatchHistoryRepository.save(history);
+        DispatchHistory saved = dispatchHistoryRepository.save(history);
+
+        // Update employee dispatch status to DISPATCHED
+        employee.setDispatchStatus(com.srsystem.entity.enums.DispatchStatus.DISPATCHED);
+        employeeRepository.save(employee);
+
+        // Send notification
+        notificationPublisher.publish(new com.srsystem.dto.NotificationEvent(
+                "DISPATCH_ASSIGNED",
+                "신규 파견 발령: " + project.getProjectName(),
+                String.format("'%s' 프로젝트에 %s 역할로 파견 등록되었습니다.", project.getProjectName(), request.roleTitle()),
+                "/dispatch",
+                employee.getEmpId()
+        ));
+
+        return saved;
     }
 
     @Transactional
@@ -86,6 +102,16 @@ public class DispatchHistoryService {
         DispatchHistory history = dispatchHistoryRepository.findById(dispatchId)
                 .orElseThrow(() -> new BusinessException(ErrorCode.DISPATCH_NOT_FOUND));
         history.setEndDate(LocalDate.now());
-        return dispatchHistoryRepository.save(history);
+        DispatchHistory saved = dispatchHistoryRepository.save(history);
+
+        // Check active dispatches remaining
+        List<DispatchHistory> active = dispatchHistoryRepository.findByEmployee_EmpIdAndEndDateIsNull(history.getEmployee().getEmpId());
+        if (active.isEmpty()) {
+            Employee emp = history.getEmployee();
+            emp.setDispatchStatus(com.srsystem.entity.enums.DispatchStatus.WAITING);
+            employeeRepository.save(emp);
+        }
+
+        return saved;
     }
 }