From aa1ff3da725ff69336cb243fa316a800c75aa0f3 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Sun, 29 Nov 2015 17:35:54 +0100
Subject: actually use cache

---
 lib/Travel/Status/DE/IRIS.pm | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/lib/Travel/Status/DE/IRIS.pm b/lib/Travel/Status/DE/IRIS.pm
index d178c7e..e76e1f9 100644
--- a/lib/Travel/Status/DE/IRIS.pm
+++ b/lib/Travel/Status/DE/IRIS.pm
@@ -125,6 +125,16 @@ sub get_with_cache {
 		say "GET $url";
 	}
 
+	if ($cache) {
+		my $content = $cache->thaw($url);
+		if ($content) {
+			if ( $self->{developer_mode} ) {
+				say '  cache hit';
+			}
+			return ( ${$content}, undef );
+		}
+	}
+
 	say '  cache miss';
 	my $ua  = $self->{user_agent};
 	my $res = $ua->get($url);
@@ -132,8 +142,13 @@ sub get_with_cache {
 	if ( $res->is_error ) {
 		return ( undef, $res->status_line );
 	}
+	my $content = $res->decoded_content;
+
+	if ($cache) {
+		$cache->freeze( $url, \$content );
+	}
 
-	return ( $res->decoded_content, undef );
+	return ( $content, undef );
 }
 
 sub get_station {
-- 
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