Merge branch 'feature/addPersonToGroup' into 'main'

Endpoint for get all person of a group was added

See merge request idatt2106-v23-03/backend!111

src/main/java/ntnu/idatt2016/v233/SmartMat/controller/group/UserGroupAssoController.java

+package ntnu.idatt2016.v233.SmartMat.controller.group;
+
+
+import lombok.AllArgsConstructor;
+import ntnu.idatt2016.v233.SmartMat.entity.group.UserGroupAsso;
+import ntnu.idatt2016.v233.SmartMat.service.group.UserGroupAssoService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * The UserGroupAssoController class is a REST controller that handles HTTP requests related to the user-group association.
+ * It provides endpoints for getting information about users in a group.
+ */
+@AllArgsConstructor
+@RestController
+@RequestMapping("/api/userGroup")
+public class UserGroupAssoController {
+
+    private final UserGroupAssoService userGroupAssoService;
+
+    /**
+     * Returns a response entity containing a list of UserGroupAsso objects related to the given groupId.
+     * If no user-group associations are found for the given groupId, a not-found response entity is returned.
+     *
+     * @param groupId the ID of the group to retrieve user-group associations for
+     * @return a response entity containing a list of UserGroupAsso objects related to the given groupId, or a not-found response entity if no associations are found
+     */
+    @GetMapping("/information/{groupId}")
+    public ResponseEntity<List<UserGroupAsso>> getInformationByGroupId(@PathVariable("groupId") long groupId){
+        return userGroupAssoService.getInformationByGroupId(groupId).map(ResponseEntity::ok).orElseGet(() -> ResponseEntity.notFound().build());
+    }
+
+}

src/main/java/ntnu/idatt2016/v233/SmartMat/entity/group/UserGroupAsso.java

@@ -38,4 +38,7 @@ public class UserGroupAsso {
 
     @Column(name = "primary_group")
     private Boolean primaryGroup;
+
+    @Column(name ="group_authority")
+    private String groupAuthority;
 }

src/main/java/ntnu/idatt2016/v233/SmartMat/repository/group/UserGroupAssoRepository.java

 package ntnu.idatt2016.v233.SmartMat.repository.group;
 
+import ntnu.idatt2016.v233.SmartMat.entity.group.Group;
 import ntnu.idatt2016.v233.SmartMat.entity.group.UserGroupId;
 import ntnu.idatt2016.v233.SmartMat.entity.group.UserGroupAsso;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.List;
+import java.util.Optional;
 
 public interface UserGroupAssoRepository extends JpaRepository<UserGroupAsso, UserGroupId> {
+
+
+    /**
+     * Creates a new user-group association with the specified user and group IDs and assigns the user as the primary group administrator with ADMIN authority.
+     *
+     * @param username the username of the user to add to the group
+     * @param groupId the ID of the group to add the user to
+     * @return an Optional containing the Group object for the newly created user-group association, or an empty Optional if the operation failed
+     */
+    @Query(value = "insert into user_group ('username', 'group_id', 'primary_group','group_authority') values (:username , :groupId , TRUE , 'ADMIN')",nativeQuery = true)
+    Optional<Group> createConnectionAfterCreateGroup(String username, long groupId);
+
+    /**
+     * Retrieves a list of UserGroupAsso objects for the specified Group object.
+     *
+     * @param group the Group object to retrieve information for
+     * @return a List of UserGroupAsso objects for the specified Group object
+     */
+    List<UserGroupAsso> findAllByGroup(Group group);
+
 }

src/main/java/ntnu/idatt2016/v233/SmartMat/service/group/GroupService.java

@@ -121,5 +121,4 @@ public class GroupService {
         }
         return Optional.empty();
     }
-
 }

src/main/java/ntnu/idatt2016/v233/SmartMat/service/group/UserGroupAssoService.java

@@ -6,14 +6,19 @@ import ntnu.idatt2016.v233.SmartMat.entity.group.Group;
 import ntnu.idatt2016.v233.SmartMat.entity.group.UserGroupId;
 import ntnu.idatt2016.v233.SmartMat.entity.group.UserGroupAsso;
 import ntnu.idatt2016.v233.SmartMat.entity.user.User;
+import ntnu.idatt2016.v233.SmartMat.repository.group.GroupRepository;
 import ntnu.idatt2016.v233.SmartMat.repository.group.UserGroupAssoRepository;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+import java.util.Optional;
+
 @Service
 @AllArgsConstructor
 public class UserGroupAssoService {
 
     private UserGroupAssoRepository userGroupAssoRepository;
+    private GroupRepository groupRepository;
 
     public void save(User user, Group group, boolean primaryGroup) {
         UserGroupAsso userGroupTable1 = new UserGroupAsso();
@@ -31,4 +36,19 @@ public class UserGroupAssoService {
         group.addUser(userGroupTable1);
 
     }
+
+    /**
+     * Retrieves a list of UserGroupAsso objects for the specified group ID.
+     *
+     * @param id the ID of the group to retrieve information for
+     * @return an Optional containing a list of UserGroupAsso objects for the specified group ID, or an empty Optional if no information is found
+     */
+    public Optional<List<UserGroupAsso>> getInformationByGroupId(long id){
+        if (groupRepository.findByGroupId(id).isPresent()){
+            List<UserGroupAsso> list = userGroupAssoRepository.findAllByGroup(groupRepository.findByGroupId(id).get());
+            if(!list.isEmpty()) return Optional.of(list);
+        }
+        return Optional.empty();
+    }
+
 }