410 lines
10 KiB
Perl
410 lines
10 KiB
Perl
package WebGUI::Shop::PayDriver;
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use strict;
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use Class::InsideOut qw{ :std };
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use Carp qw(croak);
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use Tie::IxHash;
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use WebGUI::International;
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use WebGUI::HTMLForm;
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use WebGUI::Exception::Shop;
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use WebGUI::Shop::Cart;
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use JSON;
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=head1 NAME
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Package WebGUI::Shop::PayDriver
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=head1 DESCRIPTION
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This package is the base class for all modules which implement a pyament driver.
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=head1 SYNOPSIS
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use WebGUI::Shop::PayDriver;
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my $tax = WebGUI::Shop::PayDriver->new($session);
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=head1 METHODS
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These subroutines are available from this package:
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=cut
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readonly session => my %session;
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readonly className => my %className;
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readonly paymentGatewayId => my %paymentGatewayId;
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readonly options => my %options;
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readonly label => my %label;
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#-------------------------------------------------------------------
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=head2 _buildObj ( )
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Private method used to build objects, shared by new and create.
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=cut
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sub _buildObj {
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my ($class, $session, $requestedClass, $paymentGatewayId, $label, $options) = @_;
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my $self = {};
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bless $self, $requestedClass;
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register $self;
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my $id = id $self;
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$session{ $id } = $session;
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$paymentGatewayId{ $id } = $paymentGatewayId;
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$label{ $id } = $label;
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$options{ $id } = $options;
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$className{ $id } = $requestedClass;
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return $self;
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}
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#-------------------------------------------------------------------
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=head2 className ( )
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Accessor for the className of the object. This is the name of the driver that is used
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to do calculations.
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=cut
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#-------------------------------------------------------------------
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=head2 create ( $session, $label, $options )
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Constructor for new WebGUI::Shop::PayDriver objects. Returns a WebGUI::Shop::PayDriver object.
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To access driver objects that have already been configured, use C<new>.
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=head3 $session
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A WebGUI::Session object.
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=head4 $label
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A human readable label for this payment.
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=head4 $options
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A list of properties to assign to this PayDriver. See C<definition> for details.
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=cut
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sub create {
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my $class = shift;
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my $session = shift;
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WebGUI::Error::InvalidParam->throw(error => q{Must provide a session variable})
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unless ref $session eq 'WebGUI::Session';
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my $label = shift;
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WebGUI::Error::InvalidParam->throw(error => q{Must provide a human readable label in the hashref of options})
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unless $label;
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my $options = shift;
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WebGUI::Error::InvalidParam->throw(error => q{Must provide a hashref of options})
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unless ref $options eq 'HASH' and scalar keys %{ $options };
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# Generate a unique id for this payment
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my $paymentGatewayId = $session->id->generate;
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# Build object
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my $self = WebGUI::Shop::PayDriver->_buildObj($session, $class, $paymentGatewayId, $label, $options);
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# and persist this instance in the db
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$session->db->write('insert into paymentGateway (paymentGatewayId, label, className) VALUES (?,?,?)', [
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$paymentGatewayId,
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$label,
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$class,
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]);
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# Set the options via the set method because set() will automatically serialize the options hash
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$self->set($options);
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return $self;
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}
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#-------------------------------------------------------------------
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=head2 definition ( $session )
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This subroutine returns an arrayref of hashrefs, used to validate data put into
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the object by the user, and to automatically generate the edit form to show
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the user.
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=cut
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sub definition {
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my $class = shift;
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my $session = shift;
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WebGUI::Error::InvalidParam->throw(error => q{Must provide a session variable})
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unless ref $session eq 'WebGUI::Session';
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my $definition = shift || [];
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my $i18n = WebGUI::International->new($session, 'PayDriver');
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tie my %fields, 'Tie::IxHash';
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%fields = (
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label => {
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fieldType => 'text',
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label => $i18n->get('label'),
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hoverHelp => $i18n->get('label help'),
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defaultValue => "Credit Card",
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},
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enabled => {
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fieldType => 'yesNo',
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label => $i18n->get('enabled'),
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hoverHelp => $i18n->get('enabled help'),
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defaultValue => 1,
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},
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groupToUse => {
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fieldType => 'group',
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label => $i18n->get('who can use'),
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hoverHelp => $i18n->get('who can use help'),
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defaultValue => 1,
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},
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receiptMessage => {
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fieldType => 'text',
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label => $i18n->get('receipt message'),
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hoverHelp => $i18n->get('receipt message help'),
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defaultValue => undef,
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},
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);
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my %properties = (
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name => 'Payment Driver',
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fields => \%fields,
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);
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push @{ $definition }, \%properties;
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return $definition;
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}
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#-------------------------------------------------------------------
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=head2 delete ( )
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Removes this PayDriver object from the db.
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=cut
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sub delete {
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my $self = shift;
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$self->session->db->write('delete from paymentGateway where paymentGatewayId=?', [
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$self->getId,
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]);
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return;
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}
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#-------------------------------------------------------------------
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=head2 get ( [ $param ] )
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This is an enhanced accessor for the options property. By default,
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it returns all the options as a hashref. If the name of a key
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in the hash is passed, it will only return that value from the
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options hash.
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=head3 $param
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An optional parameter. If it matches the key of a hash, it will
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return the value from the options hash.
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=cut
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sub get {
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my $self = shift;
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my $param = shift;
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my $options = $self->options;
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if (defined $param) {
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return $options->{ $param };
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}
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else {
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return { %$options };
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}
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}
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#-------------------------------------------------------------------
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=head2 getButton ( )
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Returns the form that will take the user to check out.
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=cut
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sub getButton {
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my $self = shift;
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}
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#-------------------------------------------------------------------
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=head2 getCart ( )
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Returns the WebGUI::Shop::Cart object for the current session.
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=cut
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sub getCart {
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my $self = shift;
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my $cart = WebGUI::Shop::Cart->getCartBySession( $self->session );
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return $cart;
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}
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#-------------------------------------------------------------------
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=head2 getEditForm ( )
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Returns the configuration form for the options of this plugin.
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=cut
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sub getEditForm {
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my $self = shift;
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my $definition = $self->definition($self->session);
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my $form = WebGUI::HTMLForm->new($self->session);
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$form->submit;
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$form->hidden(
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name => 'paymentGatewayId',
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value => $self->getId,
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);
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$form->hidden(
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name => 'className',
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value => $self->className,
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);
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$form->dynamicForm($definition, 'fields', $self);
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return $form;
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}
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#-------------------------------------------------------------------
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=head2 getId ( )
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Returns the paymentGatewayId.
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=cut
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sub getId {
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my $self = shift;
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return $self->paymentGatewayId;
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}
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#-------------------------------------------------------------------
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=head2 getName ( )
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Return a human readable name for this driver. Never overridden in the
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subclass, instead specified in definition with the name "name".
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This is a class method.
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=cut
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sub getName {
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my $class = shift;
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my $session = shift;
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WebGUI::Error::InvalidParam->throw(error => q{Must provide a session variable})
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unless ref $session eq 'WebGUI::Session';
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my $definition = $class->definition($session);
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return $definition->[0]->{name};
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}
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#-------------------------------------------------------------------
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=head2 new ( $session, $paymentGatewayId )
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Looks up an existing PayDriver in the db by paymentGatewayId and returns
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that object.
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=cut
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sub new {
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my $class = shift;
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my $session = shift;
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WebGUI::Error::InvalidParam->throw(error => q{Must provide a session variable})
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unless ref $session eq 'WebGUI::Session';
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my $paymentGatewayId = shift;
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WebGUI::Error::InvalidParam->throw(error => q{Must provide a paymentGatewayId})
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unless defined $paymentGatewayId;
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# Fetch the instance data from the db
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my $properties = $session->db->quickHashRef('select * from paymentGateway where paymentGatewayId=?', [
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$paymentGatewayId,
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]);
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WebGUI::Error::ObjectNotFound->throw(error => q{paymentGatewayId not found in db}, id => $paymentGatewayId)
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unless scalar keys %{ $properties };
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croak "Somehow, the options property of this object, $paymentGatewayId, got broken in the db"
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unless exists $properties->{options} and $properties->{options};
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my $options = from_json($properties->{options});
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my $self = WebGUI::Shop::PayDriver->_buildObj($session, $class, $paymentGatewayId, $properties->{ label }, $options);
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return $self;
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}
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#-------------------------------------------------------------------
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=head2 options ( )
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Accessor for the driver properties. This returns a hashref
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any driver specific properties. To set the properties, use
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the C<set> method.
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=cut
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#-------------------------------------------------------------------
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=head2 session ( )
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Accessor for the session object. Returns the session object.
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=cut
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#-------------------------------------------------------------------
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=head2 set ( $options )
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Setter for user configurable options in the payment objects.
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=head4 $options
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A list of properties to assign to this PayDriver. See C<definition> for details. The options are
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flattened into JSON and stored in the database as text. There is no content checking performed.
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=cut
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sub set {
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my $self = shift;
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my $properties = shift;
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WebGUI::Error::InvalidParam->throw(error => 'set was not sent a hashref of options to store in the database')
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unless ref $properties eq 'HASH' and scalar keys %{ $properties };
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my $jsonOptions = to_json($properties);
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$self->session->db->write('update paymentGateway set options=? where paymentGatewayId=?', [
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$jsonOptions,
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$self->paymentGatewayId
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]);
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return;
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}
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#-------------------------------------------------------------------
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=head2 paymentGatewayId ( )
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Accessor for the unique identifier for this PayDriver. The paymentGatewayId is
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a GUID.
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=cut
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1;
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