add days remaining checker

diff --git a/answer.pl b/answer.pl
index 6422217..2946b91 100644 (file)
--- a/answer.pl
+++ b/answer.pl
@@ -4,6 +4,7 @@ use autobox::DateTime::Duration;
 sub check_post_gap ($aperture, $days, @posts) {
   return @posts if @posts <= $aperture;
   my @next_post = splice(@posts, 0, $aperture);
+  return 0 if DateTime->now - $next_post[-1]->at > $days->days;
   my $success = $aperture;
   foreach my $post (@posts) {
     return $success if $next_post[0]->at - $post->at > $days->days;
@@ -14,6 +15,11 @@ sub check_post_gap ($aperture, $days, @posts) {
   return $success;
 }
 
+sub check_time_remaining ($aperture, $days, @posts) {
+  my $cand = (@posts > $aperture ? $posts[$aperture - 1] : $posts[-1]);
+  return $days->days - (DateTime->now - $cand->at)->in_units('days');
+}
+
 sub successful_sequential_posts (@posts) {
   return max(
     check_post_gap(1, 10, @posts), # 10 days between posts