/// <summary>
/// Create CommandHookContext from the WebHook of a comment.
/// If the command is not on the list of <see cref="CommandRouter">CommandRouter</see>,
/// or it is not a comment for pull request, return null
/// </summary>
/// <param name="req"></param>
/// <returns>CommandHookContext object or null</returns>
public async Task <CommandHookContext> ParseAsync(HttpRequest req)
{
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
var comment = JsonConvert.DeserializeObject <PRCommentCreated>(requestBody);
var rawComment = comment?.comment?.body;
var command = rawComment?.Trim();
if (CommandRouter.ContainsKey(command) && comment?.pull_request != null)
{
return(new CommandHookContext()
{
Id = comment.comment?.id.ToString(),
Command = command,
PullRequestUri = new Uri(comment.pull_request.html_url),
PullRequestId = comment.pull_request.number.ToString(),
ReplyToId = comment.comment?.in_reply_to_id.ToString(),
RepositoryName = comment.repository.name,
RepositoryFullName = comment.repository.full_name
});
}
else
{
return(null);
}
}
