/**
* Ensures that the user can delete the campaign. At least one of the following must be true to
* delete a campaign:
*
* <ul>
* <li>The user is a supervisor.
* <li>The user is an author and there are no responses.
* </ul>
*
* <br>
*
* @param request The Request that is performing this service.
* @param username The user's username.
* @param campaignId The campaign's unique identifier.
* @throws ServiceException Thrown if the user doesn't have sufficient permissions to delete the
* campaign or if there is an error.
*/
public static void userCanDeleteCampaign(Request request, String username, String campaignId)
throws ServiceException {
try {
List<CampaignRoleCache.Role> roles =
UserCampaignDaos.getUserCampaignRoles(username, campaignId);
if (roles.contains(CampaignRoleCache.Role.SUPERVISOR)) {
return;
}
if (roles.contains(CampaignRoleCache.Role.AUTHOR)) {
long numberOfResponses =
CampaignSurveyResponseDaos.getNumberOfSurveyResponsesForCampaign(campaignId);
if (numberOfResponses == 0) {
return;
} else {
request.setFailed(
ErrorCodes.CAMPAIGN_INSUFFICIENT_PERMISSIONS,
"The campaign has responses; therefore, you can no longer delete it.");
throw new ServiceException(
"The campaign has responses; therefore, you can no longer delete it.");
}
}
request.setFailed(
ErrorCodes.CAMPAIGN_INSUFFICIENT_PERMISSIONS,
"You do not have sufficient permissoins to delete this campaign.");
throw new ServiceException("You do not have sufficient permissoins to delete this campaign.");
} catch (DataAccessException e) {
request.setFailed();
throw new ServiceException(e);
}
}
/**
* Verifies that a user is allowed to update a campaign's XML.
*
* @param request The Request that is performing this service.
* @param username The username of the user.
* @param campaignId The campaign's unique identifier.
* @throws ServiceException Thrown if the user isn't allowed to modify the campaign, if the user
* is allowed to modify the campaign but responses exist, or if there is an error.
*/
public static void verifyUserCanUpdateCampaignXml(
Request request, String username, String campaignId) throws ServiceException {
try {
List<CampaignRoleCache.Role> roles =
UserCampaignDaos.getUserCampaignRoles(username, campaignId);
if (roles.contains(CampaignRoleCache.Role.SUPERVISOR)
|| roles.contains(CampaignRoleCache.Role.AUTHOR)) {
if (CampaignSurveyResponseDaos.getNumberOfSurveyResponsesForCampaign(campaignId) == 0) {
return;
}
request.setFailed(
ErrorCodes.CAMPAIGN_INSUFFICIENT_PERMISSIONS,
"Survey responses exist; therefore the XML can no longer be modified.");
throw new ServiceException(
"Survey responses exist; therefore the XML can no longer be modified.");
}
request.setFailed(
ErrorCodes.CAMPAIGN_INSUFFICIENT_PERMISSIONS,
"The user is not allowed to modify the campaign's XML.");
throw new ServiceException("The user is not allowed to modify the campaign's XML.");
} catch (DataAccessException e) {
request.setFailed();
throw new ServiceException(e);
}
}