2 files changed, 92 insertions, 0 deletions
diff --git a/perllib/FixMyStreet/App/Form/Field/JSON.pm b/perllib/FixMyStreet/App/Form/Field/JSON.pm
new file mode 100644
index 000000000..4da4ef2b0
--- /dev/null
+++ b/perllib/FixMyStreet/App/Form/Field/JSON.pm
@@ -0,0 +1,42 @@
+package FixMyStreet::App::Form::Field::JSON;
+
+use HTML::FormHandler::Moose;
+extends 'HTML::FormHandler::Field::Hidden';
+
+use JSON::MaybeXS;
+use MIME::Base64;
+
+has '+inflate_method' => ( default => sub { \&inflate_json } );
+has '+deflate_method' => ( default => sub { \&deflate_json } );
+has '+fif_from_value' => ( default => 1 );
+
+sub inflate_json {
+    my ($self, $value) = @_;
+    return $value unless $value;
+    $value = decode_json(decode_base64($value));
+    return $value;
+}
+
+sub deflate_json {
+    my ($self, $value) = @_;
+    return $value unless $value;
+    $value = encode_base64(encode_json($value), "");
+    return $value;
+}
+
+__PACKAGE__->meta->make_immutable;
+use namespace::autoclean;
+
+1;
+
+__END__
+
+=pod
+
+=encoding UTF-8
+
+=head1 NAME
+
+FixMyStreet::App::Form::Field::JSON - used to store some data in a hidden field
+
+=cut
diff --git a/perllib/FixMyStreet/App/Form/Field/Postcode.pm b/perllib/FixMyStreet/App/Form/Field/Postcode.pm
new file mode 100644
index 000000000..093ae66a3
--- /dev/null
+++ b/perllib/FixMyStreet/App/Form/Field/Postcode.pm
@@ -0,0 +1,50 @@
+package FixMyStreet::App::Form::Field::Postcode;
+
+use HTML::FormHandler::Moose;
+extends 'HTML::FormHandler::Field::Text';
+
+use mySociety::PostcodeUtil;
+
+apply(
+    [
+        {
+            transform => sub {
+                my ( $value, $field ) = @_;
+                $value =~ s/[^A-Z0-9]//i;
+                return mySociety::PostcodeUtil::canonicalise_postcode($value);
+            }
+        },
+        {
+            check => sub { mySociety::PostcodeUtil::is_valid_postcode(shift) },
+            message => 'Sorry, we did not recognise that postcode.',
+        }
+    ]
+);
+
+
+__PACKAGE__->meta->make_immutable;
+use namespace::autoclean;
+
+1;
+
+__END__
+
+=pod
+
+=encoding UTF-8
+
+=head1 NAME
+
+FixMyStreet::App::Form::Field::Postcode - validates postcode using mySociety::PostcodeUtil
+
+=head1 DESCRIPTION
+
+Validates that the input looks like a postcode using L<mySociety::PostcodeUtil>.
+Widget type is 'text'.
+
+=head1 DEPENDENCIES
+
+L<mySociety::PostcodeUtil>
+
+=cut
+