public async Task <IActionResult> Vote([FromRoute] string postId, [FromBody] PostVoteDto postVoteDto)
{
string userId = _httpContext.User.FindFirstValue("sub");
await _mediator.Send(new VotePostCommand(userId, postId, postVoteDto));
return(Ok());
}
public async Task VotePostAsync(string postId, string userId, PostVoteDto postVoteDto)
{
try
{
User user = await _userManager.FindByIdAsync(userId);
Guard.Against.NullItem(user, nameof(user));
Post post = await _postRepository.GetByConditionAsync(x => x.Id == postId);
Guard.Against.NullItem(post, nameof(post));
var postVote = await _voteRepository.GetEntityVoteAsync <PostVote>(
x => (x.PostId == post.Id) && (x.UserId == user.Id),
x => x
);
if (postVote != null)
{
postVote.Direction = postVote.Direction == postVoteDto.Direction ? 0 : postVoteDto.Direction;
await _voteRepository.UpdateEntityVoteAsync(postVote);
}
else
{
var newPostVote = new PostVote
{
PostId = post.Id,
UserId = user.Id,
Direction = postVoteDto.Direction,
};
await _voteRepository.VoteEntityAsync(newPostVote);
}
}
catch (ValidationException e)
{
throw new HttpStatusCodeException(HttpStatusCode.UnprocessableEntity, e.Message);
}
}
public VotePostCommand(string userId, string postId, PostVoteDto postVoteDto)
{
UserId = userId;
PostId = postId;
PostVoteDto = postVoteDto;
}
