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authorDaniel Friesel <derf@finalrewind.org>2015-11-28 21:28:25 +0100
committerDaniel Friesel <derf@finalrewind.org>2015-11-28 21:28:25 +0100
commitc90be68e41b7f93172cd4fea40988eefda8bf455 (patch)
tree2a738fa974a4f8595603e7b53ad68fdea9c5bf94 /lib/Travel/Status
parent4339f0db26d78251fe6c4f2b1f7be768a7ed3a2c (diff)
prepare IRIS.pm for optional cache support
Diffstat (limited to 'lib/Travel/Status')
-rw-r--r--lib/Travel/Status/DE/IRIS.pm64
1 files changed, 36 insertions, 28 deletions
diff --git a/lib/Travel/Status/DE/IRIS.pm b/lib/Travel/Status/DE/IRIS.pm
index 2cc6af3..d178c7e 100644
--- a/lib/Travel/Status/DE/IRIS.pm
+++ b/lib/Travel/Status/DE/IRIS.pm
@@ -34,6 +34,8 @@ sub new {
iris_base => $opt{iris_base}
// 'http://iris.noncd.db.de/iris-tts/timetable',
lookahead => $opt{lookahead} // ( 4 * 60 ),
+ main_cache => $opt{main_cache},
+ rt_cache => $opt{realtime_cache},
serializable => $opt{serializable},
user_agent => $ua,
with_related => $opt{with_related},
@@ -116,25 +118,39 @@ sub new {
return $self;
}
-sub get_station {
- my ( $self, %opt ) = @_;
+sub get_with_cache {
+ my ( $self, $cache, $url ) = @_;
if ( $self->{developer_mode} ) {
- say 'GET ' . $self->{iris_base} . '/station/' . $opt{name};
+ say "GET $url";
}
+ say ' cache miss';
+ my $ua = $self->{user_agent};
+ my $res = $ua->get($url);
+
+ if ( $res->is_error ) {
+ return ( undef, $res->status_line );
+ }
+
+ return ( $res->decoded_content, undef );
+}
+
+sub get_station {
+ my ( $self, %opt ) = @_;
+
my @ret;
my $recursion_depth = $opt{recursion_depth} // 0;
- my $ua = $self->{user_agent};
- my $res_st = $ua->get( $self->{iris_base} . '/station/' . $opt{name} );
- if ( $res_st->is_error ) {
- $self->{errstr}
- = 'Failed to fetch station data: ' . $res_st->status_line;
+ my ( $raw, $err )
+ = $self->get_with_cache( $self->{main_cache},
+ $self->{iris_base} . '/station/' . $opt{name} );
+ if ($err) {
+ $self->{errstr} = "Failed to fetch station data: $err";
return;
}
- my $xml_st = XML::LibXML->load_xml( string => $res_st->decoded_content );
+ my $xml_st = XML::LibXML->load_xml( string => $raw );
my $station_node = ( $xml_st->findnodes('//station') )[0];
@@ -251,23 +267,17 @@ sub add_result {
sub get_timetable {
my ( $self, $eva, $dt ) = @_;
- my $ua = $self->{user_agent};
- my $res = $ua->get(
+ my ( $raw, $err )
+ = $self->get_with_cache( $self->{main_cache},
$dt->strftime( $self->{iris_base} . "/plan/${eva}/%y%m%d/%H" ) );
- if ( $self->{developer_mode} ) {
- say 'GET '
- . $dt->strftime( $self->{iris_base} . "/plan/${eva}/%y%m%d/%H" );
- }
-
- if ( $res->is_error ) {
- $self->{warnstr}
- = 'Failed to fetch a schedule part: ' . $res->status_line;
+ if ($err) {
+ $self->{warnstr} = "Failed to fetch a schedule part: $err";
return $self;
}
- my $xml = XML::LibXML->load_xml( string => $res->decoded_content );
+ my $xml = XML::LibXML->load_xml( string => $raw );
my $station = ( $xml->findnodes('/timetable') )[0]->getAttribute('station');
@@ -283,19 +293,17 @@ sub get_realtime {
my ($self) = @_;
my $eva = $self->{station}{uic};
- my $res = $self->{user_agent}->get( $self->{iris_base} . "/fchg/${eva}" );
- if ( $self->{developer_mode} ) {
- say 'GET ' . $self->{iris_base} . "/fchg/${eva}";
- }
+ my ( $raw, $err )
+ = $self->get_with_cache( $self->{rt_cache},
+ $self->{iris_base} . "/fchg/${eva}" );
- if ( $res->is_error ) {
- $self->{warnstr}
- = 'Failed to fetch realtime data: ' . $res->status_line;
+ if ($err) {
+ $self->{warnstr} = "Failed to fetch realtime data: $err";
return $self;
}
- my $xml = XML::LibXML->load_xml( string => $res->decoded_content );
+ my $xml = XML::LibXML->load_xml( string => $raw );
my $station = ( $xml->findnodes('/timetable') )[0]->getAttribute('station');