changes.

server/src/main/java/ru/mskobaro/tdms/business/service/DefenseService.java

@@ -14,7 +14,6 @@ import ru.mskobaro.tdms.integration.controller.payload.DefenseDTO;
 import ru.mskobaro.tdms.integration.controller.payload.GroupDTO;
 import ru.mskobaro.tdms.integration.database.*;
 
-import java.time.LocalDate;
 import java.util.*;
 import java.util.function.Function;
 import java.util.stream.Collectors;

server/src/main/java/ru/mskobaro/tdms/business/service/ParticipantService.java

@@ -49,6 +49,12 @@ public class ParticipantService {
     private EntityManager entityManager;
     @Autowired
     private EmailService emailService;
+    @Autowired
+    private TaskService taskService;
+    @Autowired
+    private DefenseRepository defenseRepository;
+    @Autowired
+    private DefenseService defenseService;
 
     public ParticipantService(ParticipantRepository participantRepository) {
         this.participantRepository = participantRepository;
@@ -90,7 +96,7 @@ public class ParticipantService {
 
         List<Role> roles = persistRoles(participantSaveDTO, existingParticipant, editMode, callerUser, participant);
         boolean credentialsChanged = persistUserData(participantSaveDTO, existingParticipant, editMode, participant);
-        persistStudentData(participantSaveDTO, existingParticipant, editMode, roles, participant);
+        StudentData studentData = persistStudentData(participantSaveDTO, existingParticipant, editMode, roles, participant);
         persistTeacherData(participantSaveDTO, existingParticipant, editMode, roles, participant);
         persistCommissionData(participantSaveDTO, existingParticipant, editMode, roles, participant);
 
@@ -108,6 +114,19 @@ public class ParticipantService {
                 
                 С уважением, администрация.
                 """.formatted(participant.getFullName(), participant.getUser().getUsername(), participantSaveDTO.getUserData().getPassword()));
+
+            if (studentData != null && studentData.getGroup() != null) {
+                List<Defense> defenses = entityManager.createQuery("select distinct d from Defense d inner join fetch d.groups g where g.id = :id", Defense.class)
+                        .setParameter("id", studentData.getGroup().getId())
+                        .getResultList();
+                Defense defense = null;
+                if (defenses != null && !defenses.isEmpty()) {
+                    defense = defenses.get(0);
+                }
+                if (defense != null) {
+                    taskService.checkAndCreateTopicChoosingTasksAndSendEmail(Collections.singletonList(studentData), defense);
+                }
+            }
         }
 
         if (credentialsChanged) {
@@ -200,11 +219,11 @@ public class ParticipantService {
         teacherData.setParticipant(participant);
     }
 
-    private void persistStudentData(ParticipantSaveDTO participantSaveDTO, Participant existingParticipant, boolean editMode, List<Role> roles, Participant participant) {
+    private StudentData persistStudentData(ParticipantSaveDTO participantSaveDTO, Participant existingParticipant, boolean editMode, List<Role> roles, Participant participant) {
         boolean shouldPersistStudentData = participantSaveDTO.getStudentData() != null && roles != null
                 && CollectionUtils.containsAny(roles, roleService.getRoleByAuthority(RoleService.Authority.STUDENT));
         if (!shouldPersistStudentData) {
-            return;
+            return null;
         }
 
         boolean alreadyExists = editMode && studentDataRepository.existsByParticipant_IdAndParticipant_DeletedFalse(existingParticipant.getId());
@@ -251,6 +270,7 @@ public class ParticipantService {
 
         studentData = studentDataRepository.save(studentData);
         studentData.setParticipant(participant);
+        return studentData;
     }
 
     private void persistCommissionData(ParticipantSaveDTO participantSaveDTO, Participant existingParticipant, boolean editMode, List<Role> roles, Participant participant) {

server/src/main/resources/test-data.sql

@@ -57,7 +57,7 @@ INSERT INTO public.commission_member_data (id, partic_id, work_place, work_posit
 INSERT INTO public.commission_member_data (id, partic_id, work_place, work_position, created_at, updated_at) VALUES (5, 23, 'БГТУ', 'доц.,ктн.,зав.кав.', '2025-06-23 03:42:42.288583', '2025-06-23 03:42:42.288590');
 INSERT INTO public.commission_member_data (id, partic_id, work_place, work_position, created_at, updated_at) VALUES (4, 22, 'БГТУ', 'доц.,ктн.', '2025-06-23 03:42:37.300773', '2025-06-23 03:42:37.300777');
 
-INSERT INTO public.defense (id, defense_date, status, direction_of_preparation_id, responsible_for_antiplagiarism_id, responsible_for_normcontrol_id, created_at, updated_at) VALUES (1, '2025-06-26', 'TOPIC_PREPARATION', 1, 22, 22, '2025-06-23 04:09:15.118953', '2025-06-23 04:09:15.118975');
+INSERT INTO public.defense (id, defense_date, status, direction_of_preparation_id, responsible_for_antiplagiarism_id, responsible_for_normcontrol_id, created_at, updated_at) VALUES (1, '2025-06-26', 'DEFENSE_PREPARATION', 1, 22, 22, '2025-06-23 04:09:15.118953', '2025-06-23 04:09:15.118975');
 
 INSERT INTO public."group" (id, name, defense_id, direction_of_preparation_id, created_at, updated_at) VALUES (1, 'О-21-ИВТ-1-по-Б', 1, 1, '2025-06-23 03:50:49.095829', '2025-06-23 03:50:49.095835');
 INSERT INTO public."group" (id, name, defense_id, direction_of_preparation_id, created_at, updated_at) VALUES (2, 'О-21-ИВТ-2-по-Б', 1, 1, '2025-06-23 03:50:49.096295', '2025-06-23 03:50:49.096299');