add dep

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/MooseX/UserAgent/Cache.pm b/lib/MooseX/UserAgent/Cache.pm
new file mode 100644
index 0000000..f593dc7
--- /dev/null
+++ b/lib/MooseX/UserAgent/Cache.pm
@@ -0,0 +1,45 @@
+package MooseX::UserAgent::Cache;
+
+use Moose::Role;
+use Cache::FileCache;
+
+has 'ua_cache' => (
+    is      => 'rw',
+    isa     => 'Object',
+    lazy    => 1,
+    default => sub {
+        my $self = shift;
+        Cache::FileCache->new(
+            {
+                cache_root => $self->useragent_conf->{cache}->{root},
+                default_expires_in =>
+                    $self->useragent_conf->{cache}->{expires},
+                namespace => $self->useragent_conf->{cache}->{namespace}
+            }
+        );
+    }
+);
+
+sub get_ua_cache {
+    my ( $self, $url ) = @_;
+    if ( $self->useragent_conf->{cache}->{use_cache} ) {
+        my $ref = $self->ua_cache->get($url);
+        if ( defined $ref && $ref->{LastModified} ne '' ) {
+            return $ref->{LastModified};
+        }
+    }
+}
+
+sub store_ua_cache {
+    my ( $self, $url, $res ) = @_;
+    if ( $self->useragent_conf->{ cache }->{ use_cache } ) {
+        $self->ua_cache->set(
+            $url,
+            {   ETag         => $res->header( 'Etag' )          || '',
+                LastModified => $res->header( 'Last-Modified' ) || ''
+            }
+        );
+    }
+}
+
+1;