@With({UserCredentialWrapFilter.class, ConnectToDBFilter.class})
public static Result follow(String toFollowUsername) {
String currentUsername = DbHelper.currentUsername();
try {
UserService.getOUserByUsername(currentUsername);
} catch (Exception e) {
return internalServerError(ExceptionUtils.getMessage(e));
}
try {
ODocument followed = FriendShipService.follow(currentUsername, toFollowUsername);
return created(prepareResponseToJson(followed));
} catch (UserToFollowNotExistsException e) {
return notFound(ExceptionUtils.getMessage(e));
} catch (UserNotFoundException e) {
return internalServerError(ExceptionUtils.getMessage(e));
} catch (AlreadyFriendsException e) {
return badRequest(ExceptionUtils.getMessage(e));
} catch (SqlInjectionException e) {
return badRequest(
"The username "
+ toFollowUsername
+ " is not a valid username. HINT: check if it contains invalid character, the server has encountered a possible SQL Injection attack");
} catch (IllegalArgumentException e) {
return badRequest(ExceptionUtils.getMessage(e));
} catch (Exception e) {
return internalServerError(ExceptionUtils.getMessage(e));
}
}
