Can delete a member of a group

src/helpers/GroupsHelper.ts

@@ -405,6 +405,21 @@ export class GroupsHelper {
 		});
 	}
 
+	/**
+	 * Count the number of members of a group at a specific member
+	 * @param groupID Target group ID
+	 * @param level The level to check
+	 */
+	public static async CountMembersAtLevel(groupID: number, level: GroupMembershipLevels) : Promise<number> {
+		return await DatabaseHelper.Count({
+			table: GROUPS_MEMBERS_TABLE,
+			where: {
+				groups_id: groupID,
+				level: level
+			}
+		});
+	}
+
 	/**
 	 * Turn a database row into a {GroupInfo} object
 	 *