public async Task <IActionResult> SignupEvent(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 there is no record of the user signing up, insert a new record into the database
try
{
repo.CreateEventSignup(eventId, volunteer.Id);
}
catch (Exception e)
{
return(Utilities.ErrorJson(e.Message));
}
}
else
{
// Otherwise the user is already signed up, so we want to tell them
return(Utilities.ErrorJson("You are already signed up for this event"));
}
return(new JsonResult(new
{
Error = ""
}));
}