allow request/response deserialization/serialization by callback

[catagits/Catalyst-Action-Serialize-Data-Serializer.git] / lib / Catalyst / Action / Deserialize / Callback.pm

diff --git a/lib/Catalyst/Action/Deserialize/Callback.pm b/lib/Catalyst/Action/Deserialize/Callback.pm
new file mode 100644 (file)
index 0000000..fa421fe
--- /dev/null
+++ b/lib/Catalyst/Action/Deserialize/Callback.pm
@@ -0,0 +1,47 @@
+package Catalyst::Action::Deserialize::Callback;
+
+use Moose;
+use namespace::autoclean;
+use Scalar::Util qw(openhandle);
+
+extends 'Catalyst::Action';
+
+our $VERSION = '0.91';
+$VERSION = eval $VERSION;
+
+sub execute {
+    my $self = shift;
+    my ( $controller, $c, $callbacks ) = @_;
+
+    my $rbody;
+
+    # could be a string or a FH
+    if ( my $body = $c->request->body ) {
+        if(openhandle $body) {
+            seek($body, 0, 0); # in case something has already read from it
+            while ( defined( my $line = <$body> ) ) {
+                $rbody .= $line;
+            }
+        } else {
+            $rbody = $body;
+        }
+    }
+
+    if ( $rbody ) {
+        my $rdata = eval { $callbacks->{deserialize}->( $rbody, $controller, $c ) };
+        if ($@) {
+            return $@;
+        }
+        $c->request->data($rdata);
+    } else {
+        $c->log->debug(
+            'I would have deserialized, but there was nothing in the body!')
+            if $c->debug;
+    }
+    return 1;
+}
+
+__PACKAGE__->meta->make_immutable;
+
+1;
+