Update importing participants to support errors

Closes #123 (closed)

src/main/java/nl/tudelft/labracore/controller/EditionController.java

@@ -27,6 +27,7 @@ import javax.transaction.Transactional;
 import javax.validation.Valid;
 
 import nl.tudelft.labracore.dto.create.EditionCreateDTO;
+import nl.tudelft.labracore.dto.helper.ParticipantsImportDTO;
 import nl.tudelft.labracore.dto.helper.Period;
 import nl.tudelft.labracore.dto.patch.EditionPatchDTO;
 import nl.tudelft.labracore.dto.view.structured.details.EditionRolesDetailsDTO;
@@ -34,7 +35,6 @@ import nl.tudelft.labracore.dto.view.structured.details.RolePersonDetailsDTO;
 import nl.tudelft.labracore.dto.view.structured.summary.EditionSummaryDTO;
 import nl.tudelft.labracore.dto.view.structured.summary.ModuleSummaryDTO;
 import nl.tudelft.labracore.enums.ParticipantsImportError;
-import nl.tudelft.labracore.enums.RoleType;
 import nl.tudelft.labracore.model.Role;
 import nl.tudelft.labracore.repository.EditionRepository;
 import nl.tudelft.labracore.repository.RoleRepository;
@@ -192,15 +192,15 @@ public class EditionController {
 	 * Adds participants into an edition with a pre-specified role. If the person already has a role in this
 	 * edition, it does not overwrite it.
 	 *
-	 * @param  id           the id of the edition
-	 * @param  participants the map which contains the data about the roles which need to be added
-	 * @return              the map with errors
+	 * @param  id  the id of the edition
+	 * @param  dto the dto which holds the map which contains the data about the roles which need to be added
+	 * @return     the map with errors
 	 */
 	@PostMapping("{id}/add-participants")
 	@PreAuthorize("hasAuthority('ROLE_CREATE')")
-	public Map<String, ParticipantsImportError> addParticipantsToEdition(@PathVariable Long id,
-			@RequestBody Map<String, RoleType> participants) {
-		return es.addParticipantsToEdition(id, participants);
+	public Map<ParticipantsImportError, List<String>> addParticipantsToEdition(@PathVariable Long id,
+			@RequestBody ParticipantsImportDTO dto) {
+		return es.addParticipantsToEdition(id, dto.getParticipants());
 	}
 
 	/**