public async Task<Post> Add(Post post)
{
if (post == null) throw new ArgumentNullException(nameof(post));
_dbContext.Posts.Add(post);
await _dbContext.SaveChangesAsync();
return post;
}
public async Task <User> Add(User user)
{
if (user != null)
{
_dbContext.Users.Add(user);
await _dbContext.SaveChangesAsync();
return(user);
}
throw new ArgumentNullException(nameof(user));
}
public async Task <Comment> Add(CommentOnType commentOn, Comment comment)
{
if (comment == null)
{
throw new ArgumentNullException(nameof(Comment));
}
if (!await IsCreatedByExistsByType(comment.CommentOnId, commentOn))
{
throw new NotSupportedException(
$"{commentOn.ToString()} does not exists in our system!!");
}
_dbContext.Comments.Add(comment);
await _dbContext.SaveChangesAsync();
return(comment);
}
