public IEnumerable <UserDto> FindUsersWithComic(int userId, int comicId)
{
var comicCollections = _comicCollectionRepository.GetComicCollectionsByComicId(comicId);
var pendingRequests = _rentRepository.GetPendingRequestsForComicByUser(userId, comicId);
var rentInProgress = _rentRepository.GetRentRequestForuserInProgress(userId, comicId);
var requestsAvaible = 4 - pendingRequests.Count();
var userDtos = new List <UserDto>();
if (requestsAvaible == 0)
{
throw new AppException("You can only make 4 requests for one comic");
}
if (rentInProgress != null)
{
throw new AppException("You already rented this comic");
}
foreach (var comicCollection in comicCollections)
{
var user = _userRepository.Get(comicCollection.Collection.UserId);
var rentRequests = _rentRepository.GetInProgressRentsForGiverId(user.Id, comicId);
var userDto = Mapper.Map <UserDto>(user);
if (userId != user.Id && !userDtos.Any(e => e.Id == userDto.Id) && rentRequests.Count() == 0)
{
userDtos.Add(userDto);
}
}
foreach (var pendingRequest in pendingRequests)
{
if (pendingRequest.ReceiverId == userId)
{
var userDtoToDelete = userDtos.Find(e => e.Id == pendingRequest.GiverId);
if (userDtoToDelete != null)
{
userDtos.Remove(userDtoToDelete);
}
}
}
return(userDtos.PickRandom(requestsAvaible));
}
