public HappeningDto AddUser(Guid happeningId, Guid userId, bool commitImmediately = true)
{
// Happening.Name later isn't 100% needed but this serves to make sure the specified Happening actually exists
Happening happening = GetEnt(happeningId);
// make sure the user hasn't already been added
if (joinService.GetEnt(userId, happeningId) != null)
{
throw new HandledException(new ArgumentException("Cannot add a user already added to event"));
}
var userToAdd = userService.GetEntOrDefault(userId);
if (userToAdd == null)
{
throw new HandledException(new ArgumentException("Cannot add a user that doesn't exist"));
}
// happening has to either be non-private, the logged in user doing the adding has to be the owner, or the logged in user has to be an admin
User currentUser = loginService.GetCurrentUser();
if (happening.IsPrivate && happening.ControllingUserId != currentUser.Id && currentUser.Role != UserRole.Admin)
{
throw new HandledException(new ArgumentException("Can only add a user to a happening if it is non-private, the current user is the owner, or is an admin"));
}
InvitationDto result = new InvitationDto()
{
HappeningId = happeningId,
UserId = userId,
UserName = userToAdd.FriendlyName,
ReminderXMinsBefore = 0,
HappeningName = happening.Name,
Date = happening.StartTime,
Status = RSVP.NoResponse.ToString(),
IsPrivate = happening.IsPrivate
};
HappeningUser joinEntity = joinService.CreateEntity(result);
happening.AllUsers.Add(joinEntity);
if (commitImmediately)
{
SaveChanges();
return(Get(happeningId));
}
else
{
HappeningDto projectedResult = DtoFromEntity(happening);
projectedResult.AllUsers = projectedResult.AllUsers.Append(userId);
return(projectedResult);
}
}
public HappeningDto RemoveUser(Guid happeningId, Guid userId, bool commitImmediately = true)
{
// make sure the specified Happening actually exists
Happening happening = GetEnt(happeningId);
HappeningUser joinEntity = joinService.GetEnt(userId, happeningId);
if (joinEntity == null)
{
throw new HandledException(new ArgumentException("Cannot remove a user that isn't attached to the event"));
}
// happening has to either be non-private, the logged in user doing the adding has to be the owner, or the logged in user has to be an admin
User currentUser = loginService.GetCurrentUser();
if (userId != currentUser.Id && happening.ControllingUserId != currentUser.Id && currentUser.Role != UserRole.Admin)
{
throw new HandledException(new ArgumentException("Can only remove a user from happening if the current user is the one being removed, is the owner, or is an admin"));
}
happening.AllUsers.Remove(joinEntity);
joinService.DeleteEnt(joinEntity);
if (commitImmediately)
{
SaveChanges();
return(Get(happeningId));
}
else
{
HappeningDto projectedResult = DtoFromEntity(happening);
projectedResult.AllUsers = projectedResult.AllUsers.Where(x => x != userId);
return(projectedResult);
}
}