public async Task <PostCommentResult> PostCommentAsync(IFormCollection form)
{
if (form is null)
{
throw new ArgumentNullException(nameof(form));
}
// Make sure the site posting the comment is the correct site.
var allowedSite = _config.Website;
var postedSite = form[FormFields.CommentSite];
if (!string.IsNullOrWhiteSpace(allowedSite) && !AreSameSites(allowedSite, postedSite))
{
return(new PostCommentResult(
HttpStatusCode.BadRequest,
string.Format(
CultureInfo.InvariantCulture,
CommentResources.AreNotSameSitesErrorMessage,
postedSite.ToString() ?? "null")));
}
var commentResult = await _commentFactory.CreateFromFormAsync(form).ConfigureAwait(false);
if (commentResult.HasErrors)
{
return(new PostCommentResult(
HttpStatusCode.BadRequest,
$"Creating comment from form failed: {string.Join("\n", commentResult.Errors)}",
commentResult.Exception));
}
var pullRequestResult = await _pullRequestService.TryCreatePullRequestAsync(commentResult.Comment)
.ConfigureAwait(false);
if (pullRequestResult.HasError)
{
return(new PostCommentResult(
HttpStatusCode.BadRequest,
$"Creating pull request failed: {pullRequestResult.Error}",
pullRequestResult.Exception));
}
if (!Uri.TryCreate(form[FormFields.Redirect], UriKind.Absolute, out var redirectUri))
{
return(new PostCommentResult(HttpStatusCode.OK));
}
else
{
return(new PostCommentResult(HttpStatusCode.Redirect, redirectUri));
}
}
