Examples with UserNamespaceRoles org.eclipse.vorto.repository.domain.UserNamespaceRoles used on opensource projects

Example 1 with UserNamespaceRoles

use of org.eclipse.vorto.repository.domain.UserNamespaceRoles in project vorto by eclipse.

the class NamespaceController method requestAccessToNamespace.

@PostMapping("/requestAccess")
@PreAuthorize("isAuthenticated()")
public ResponseEntity<OperationResult> requestAccessToNamespace(@RequestBody @ApiParam(value = "The request body specifying who initiates the request, the namespace, whom the request is intended for, and an optional collection of suggested roles", required = true) NamespaceAccessRequestDTO request) {
    Optional<OperationResult> validationError = NamespaceValidator.validateAccessRequest(request);
    if (validationError.isPresent()) {
        return new ResponseEntity<>(validationError.get(), HttpStatus.BAD_REQUEST);
    }
    // checks namespace exists
    // should only occur if namespace was deleted after user search, but before sending request
    Namespace target;
    try {
        target = namespaceService.getByName(request.getNamespaceName());
    } catch (DoesNotExistException dnee) {
        return new ResponseEntity<>(OperationResult.failure("Namespace not found."), HttpStatus.NOT_FOUND);
    }
    // checks any admin with an e-mail address set
    Set<User> adminsWithEmail = userNamespaceRoleRepository.findAllByNamespace(target).stream().map(UserNamespaceRoles::getUser).filter(u -> !Strings.nullToEmpty(u.getEmailAddress()).trim().isEmpty()).collect(Collectors.toSet());
    if (adminsWithEmail.isEmpty()) {
        return new ResponseEntity<>(OperationResult.failure(String.format("None of the users administrating namespace %s has set their own e-mail. Please contact them directly. ", request.getNamespaceName())), HttpStatus.PRECONDITION_FAILED);
    }
    int successCount = adminsWithEmail.size();
    // attempts to send the e-mails
    // ugly exception handling here, due to the way this was designed in the service
    Collection<IMessage> messages = adminsWithEmail.stream().map(u -> new RequestAccessToNamespaceMessage(request, u, host)).collect(Collectors.toList());
    for (IMessage message : messages) {
        try {
            emailNotificationService.sendNotification(message);
        } catch (NotificationProblem np) {
            successCount--;
        }
    }
    // worked for all recipients
    if (successCount == adminsWithEmail.size()) {
        return new ResponseEntity<>(OperationResult.success(), HttpStatus.OK);
    } else // worked for some recipients
    if (successCount > 0) {
        return new ResponseEntity<>(OperationResult.success("The message could not be sent to all administrators."), HttpStatus.OK);
    } else // did not work for any recipient
    {
        return new ResponseEntity<>(OperationResult.failure("The message could not be sent to any administrator."), HttpStatus.SERVICE_UNAVAILABLE);
    }
}