public async Task <TripDto> CreateAsync(CreateTripDto createTripDto)
{
var tripEntity = _mapper.Map <TripEntity>(createTripDto);
var currentUserId = _currentUserService.UserId;
await ValidateUserExistsByIdAsync(currentUserId);
await ValidateTripRoleExistsByIdAsync((int)TripRoles.Admin);
var tripSubscriberEntity = new TripSubscriberEntity()
{
UserId = currentUserId,
Trip = tripEntity
};
var tripSubscriberRoleEntity = new TripSubscriberRoleEntity()
{
TripSubscriber = tripSubscriberEntity,
TripRoleId = (int)TripRoles.Admin
};
await _tripFlipDbContext.TripSubscribersRoles.AddAsync(tripSubscriberRoleEntity);
await _tripFlipDbContext.SaveChangesAsync();
var tripDto = _mapper.Map <TripDto>(tripEntity);
return(tripDto);
}
public async Task SubscribeToTripAsync(int tripId)
{
var currentUserId = _currentUserService.UserId;
var userExists = await _tripFlipDbContext.Users
.AnyAsync(user => user.Id == currentUserId);
if (!userExists)
{
throw new NotFoundException(ErrorConstants.NotAuthorized);
}
var tripEntity = await _tripFlipDbContext.Trips
.Include(t => t.TripSubscribers)
.FirstOrDefaultAsync(t => t.Id == tripId);
EntityValidationHelper.ValidateEntityNotNull(tripEntity, ErrorConstants.TripNotFound);
var isAlreadySubscriber = tripEntity.TripSubscribers
.Any(subscriber => subscriber.UserId == currentUserId);
if (isAlreadySubscriber)
{
throw new ArgumentException(ErrorConstants.IsAlreadyTripSubscriber);
}
var subscriberRole = new TripSubscriberRoleEntity()
{
TripSubscriber = new TripSubscriberEntity()
{
UserId = currentUserId,
TripId = tripId
},
TripRoleId = (int)TripRoles.Guest
};
await _tripFlipDbContext.TripSubscribersRoles.AddAsync(subscriberRole);
await _tripFlipDbContext.SaveChangesAsync();
}
