security

src/main/java/site/easystartup/web/project/service/ParticipantService.java

@@ -0,0 +1,43 @@
+package site.easystartup.web.project.service;
+
+import lombok.RequiredArgsConstructor;
+import org.modelmapper.ModelMapper;
+import org.springframework.stereotype.Service;
+import site.easystartup.web.project.domain.model.Participant;
+import site.easystartup.web.project.domain.model.Project;
+import site.easystartup.web.project.domain.requst.ProjectRequest;
+import site.easystartup.web.project.dto.ParticipantDto;
+import site.easystartup.web.project.repo.ParticipantRepo;
+
+import java.security.Principal;
+
+@Service
+@RequiredArgsConstructor
+public class ParticipantService {
+    private final ParticipantRepo participantRepo;
+    private final ModelMapper modelMapper;
+    private final ProjectService projectService;
+
+    public Project edit(ParticipantDto participantDto,
+                        Long partId,
+                        Long projectId,
+                        Principal principal) {
+        Project project = projectService.getProjectById(projectId);
+        if (!projectService.projectIsBelongUser(project, principal))
+            throw  new RuntimeException("This project cannot be changed");
+        Participant participantOld = participantRepo.findById(partId).orElseThrow(() -> new RuntimeException());
+        if (!partIsBelongProject(project, participantOld))
+            throw  new RuntimeException("This participant cannot be changed");
+
+        Participant participant = modelMapper.map(participantDto, Participant.class);
+        participant.setParticipantId(partId);
+        participantRepo.save(participant);
+        return projectService.getProjectById(projectId);
+    }
+
+    private boolean partIsBelongProject(Project project, Participant participant) {
+        return project.equals(participant.getProject());
+    }
+
+
+}