public IActionResult UpdateUserPost(int userId, [FromBody] Post post)
{
var cmd = new UpdateUserPostCommand(userId, post);
var result = commandProcessor.Process(cmd);
if (!result.Success)
{
return(BadRequest()); //TODO: Not accurate
}
return(Ok(result.Response));
}
public CommandResult <Post> Handle(UpdateUserPostCommand command)
{
var result = new CommandResult <Post>();
try
{
var updatedPost = command.Post;
var userId = command.UserId;
updatedPost.Timestamp = DateTimeOffset.UtcNow;
var dbPost = ctx.Posts
.Include(p => p.Comments)
.SingleOrDefault(p => p.Id == updatedPost.Id);
if (dbPost == null)
{
logger.LogWarning($"No Post entry found with Id: [{updatedPost.Id}]");
result.Response = null;
return(result);
}
if (dbPost.AuthorId != userId)
{
logger.LogWarning($"Post [{updatedPost.Id}] does not belong to to User [{userId}]. Refusing the update.");
result.Response = null;
return(result);
}
var entry = ctx.Entry(dbPost);
entry.CurrentValues.SetValues(updatedPost);
dbPost.Comments.Clear();
foreach (var comment in updatedPost.Comments)
{
Comment existingComment;
existingComment = ctx.Comments.SingleOrDefault(c => c.Id == comment.Id);
if (existingComment == null)
{
comment.Timestamp = DateTimeOffset.UtcNow;
existingComment = ctx.Comments.Add(comment).Entity;
}
dbPost.Comments.Add(existingComment);
}
ctx.SaveChanges();
result.Success = true;
result.Response = ctx.Posts
.Include(p => p.Author)
.Include(p => p.Comments).ThenInclude(c => c.Author)
.Include(p => p.Comments).ThenInclude(c => c.Replies).ThenInclude(r => r.Author)
.SingleOrDefault(p => p.Id == updatedPost.Id);;
}
catch (Exception e)
{
logger.LogError(e.Message);
}
return(result);
}
