private async Task ValidateFriendshipForCreation(string userId, FriendshipForCreationDto friendshipDto)
{
if (userId != friendshipDto.SenderId)
{
throw new InvalidUserIdException(typeof(Friendship));
}
var isUserExists = await _unitOfWork.UserRepository.IsUserWithIdExists(friendshipDto.ReceiverId);
if (!isUserExists)
{
throw new EntityNotFoundException(typeof(User), friendshipDto.ReceiverId);
}
if (friendshipDto.ReceiverId == friendshipDto.SenderId)
{
throw new ModelValidationException("Can't create Friendship with the same user IDs.");
}
var friendshipExisting = await _unitOfWork.FriendshipRepository.IsFriendshipExistsBySenderAndReceiverId(
friendshipDto.SenderId, friendshipDto.ReceiverId);
if (friendshipExisting)
{
throw new EntityExistsException(typeof(Friendship));
}
}
public async Task <IActionResult> CreateFriendship([FromBody] FriendshipForCreationDto friendshipDto)
{
var userId = HttpContext.GetUserId();
var friendship = await _friendshipService.CreateFriendshipRequest(userId, friendshipDto);
return(CreatedAtAction(nameof(GetFriendship), new { id = friendship.Id }, friendship));
}
public async Task <FriendshipDto> CreateFriendshipRequest(string userId, FriendshipForCreationDto friendshipForCreation)
{
await ValidateFriendshipForCreation(userId, friendshipForCreation);
var friendship = _mapper.Map <Friendship>(friendshipForCreation);
friendship.Status = FriendshipStatus.Pending;
friendship.StatusChangedDate = DateTime.UtcNow;
_unitOfWork.FriendshipRepository.AddFriendship(friendship);
await _unitOfWork.Commit();
var friendshipDto = _mapper.Map <FriendshipDto>(friendship);
return(friendshipDto);
}
