Added person and group methods to Controller and services.

src/main/java/com/example/demo/controller/Controller.java

@@ -7,7 +7,10 @@ import com.example.demo.service.StudentsGroupService;
 import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 @RestController
+@RequestMapping("/api")
 public class Controller {
 
     private final PersonService personService;
@@ -22,6 +25,11 @@ public class Controller {
         this.importExportService = importExportService;
     }
 
+    @GetMapping("/person")
+    List<PersonDto> getAllPeople() {
+        return personService.getAll();
+    }
+
     @GetMapping("/person/{id}")
     PersonDto getPerson(@PathVariable Long id) {
         return personService.get(id);
@@ -42,6 +50,10 @@ public class Controller {
         personService.delete(id);
     }
 
+    @GetMapping("/group")
+    List<GroupDto> getAllGroups() {
+        return studentsGroupService.getAll();
+    }
     @GetMapping("/group/{id}")
     GroupDto getGroup(@PathVariable Long id) {
         return studentsGroupService.get(id);

src/main/java/com/example/demo/service/PersonService.java

@@ -12,8 +12,10 @@ import org.springframework.stereotype.Service;
 import org.springframework.web.server.ResponseStatusException;
 
 import javax.transaction.Transactional;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
 @Service
 @Transactional
@@ -102,4 +104,8 @@ public class PersonService {
         logger.info("Usuwam osobę");
         personRepository.deleteById(id);
     }
+
+    public List<PersonDto> getAll() {
+        return personRepository.findAll().stream().map(Person::toDto).collect(Collectors.toList());
+    }
 }

src/main/java/com/example/demo/service/StudentsGroupService.java

@@ -15,6 +15,8 @@ import org.springframework.web.server.ResponseStatusException;
 
 import javax.transaction.Transactional;
 import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 @Transactional(rollbackOn = Exception.class)
@@ -149,4 +151,8 @@ public class StudentsGroupService {
         logger.info("Usuwam lidera grupy. {}", groupLeader);
         studentsGroup.removeGroupLeader(groupLeader);
     }
+
+    public List<GroupDto> getAll() {
+        return this.studentsGroupRepository.findAll().stream().map(StudentsGroup::toDto).collect(Collectors.toList());
+    }
 }