Add method for reading brightspace csvs

src/main/java/nl/tudelft/gitbull/service/SetupService.java

@@ -171,11 +171,10 @@ public class SetupService {
 		Set<String> groupNames = new HashSet<>();
 		Map<String, String> groupAssignment = new HashMap<>();
 
-		for (List<String> line : lines) {
-			usernames.add(line.get(0));
-			groupNames.add(line.get(2));
-			groupAssignment.put(line.get(0), line.get(2));
-		}
+		if(lines.size() < 5)
+			readGenericCSV(lines, usernames, groupNames, groupAssignment);
+		else
+			readBrightspaceCSV(lines, usernames, groupNames, groupAssignment);
 
 		if (setupRequestDTO.getGroupSettings() == null)
 			setupRequestDTO.setGroupSettings(new SetupGroupsDTO());
@@ -186,6 +185,39 @@ public class SetupService {
 		return gitlabUserService.getUsersByUsername(gitLabApi, usernames).notFound();
 	}
 
+	/***
+	 * Reads the standard Gitbull CSV template.
+	 *
+	 * @param lines The lines of the import file
+	 * @param usernames The usernames of the students
+	 * @param groupNames The group names of the students
+	 * @param groupAssignment The concatenation of the username and group name
+	 */
+	private static void readGenericCSV(List<List<String>> lines, List<String> usernames, Set<String> groupNames, Map<String, String> groupAssignment) {
+		for (List<String> line : lines) {
+			usernames.add(line.get(0));
+			groupNames.add(line.get(2));
+			groupAssignment.put(line.get(0), line.get(2));
+		}
+	}
+
+	/***
+	 * Reads the Brightspace CSV template.
+	 *
+	 * @param lines The lines of the import file
+	 * @param usernames The usernames of the students
+	 * @param groupNames The group names of the students
+	 * @param groupAssignment The concatenation of the username and group name
+	 */
+	private static void readBrightspaceCSV(List<List<String>> lines, List<String> usernames, Set<String> groupNames, Map<String, String> groupAssignment) {
+		for (List<String> line : lines) {
+			usernames.add(line.get(0));
+			groupNames.add(line.get(6));
+			groupAssignment.put(line.get(0), line.get(6));
+		}
+	}
+
+
 	/**
 	 * Imports the groups and clusters to the setup DTO from an input stream.
 	 *