public async Task <IActionResult> CancelEvent(EventViewModel eventViewModel)
{
int eventId = eventViewModel.eventId;
var user = await userManager.GetUserAsync(User);
VolunteerRepository volRepo = new VolunteerRepository(configModel.ConnectionString);
CalendarRepository repo = new CalendarRepository(configModel.ConnectionString);
VolunteerModel volunteer;
EventModel eventModel;
EventSignupModel signup;
// Ensure that ONLY volunteer, volunteer captain, and bus driver accounts have access to this API endpoint
if (user == null ||
!(await userManager.IsInRoleAsync(user, UserHelpers.UserRoles.Volunteer.ToString()) ||
await userManager.IsInRoleAsync(user, UserHelpers.UserRoles.VolunteerCaptain.ToString()) ||
await userManager.IsInRoleAsync(user, UserHelpers.UserRoles.BusDriver.ToString())))
{
return(Utilities.ErrorJson("Event signup is available only to volunteers, volunteer captains, and bus drivers"));
}
volunteer = volRepo.GetVolunteer(user.VolunteerId);
if (volunteer == null)
{
return(Utilities.ErrorJson("Unable to find volunteer profile"));
}
eventModel = repo.GetEvent(eventId);
// Verify that the specified event exists
if (eventModel == null)
{
return(Utilities.ErrorJson("Specified event does not exist."));
}
// Check if there is already a record of this user having signed up
signup = repo.GetEventSignup(eventId, volunteer.Id);
if (signup == null)
{
// If no record exists of the user signing up, or they have already cancelled, then let them know
return(Utilities.ErrorJson("You are not signed up for this event"));
}
else
{
// Otherwise, update the record to indicate non-attendance
repo.DeleteEventSignup(eventId, volunteer.Id);
}
return(new JsonResult(new
{
Error = ""
}));
}