yves-groups-formidable-paypal.php

/**
 * Yves' implementation to add a capability to a group when a purchase has been completed.
 *
 * http://www.itthinx.com/plugins/groups-paypal/comment-page-1/#comment-647332
 */

add_action('frm_payment_paypal_ipn', 'ls4s_sprint_purchase_completed');
function ls4s_sprint_purchase_completed($args) 
{
    global $frmdb, $wpdb;

    $entry_id = $args['payment']->item_id;
    $form_id = $args['entry']->form_id;
    
    if ($form_id == LS4S_FRM_FORM_SPURCH) { // fire on Sprint Purchased Form only
    
        if ( !$args['pay_vars']['completed'] ) return; // do nothing if payment not completed

        $wpdb->update( $frmdb->entry_metas, array('meta_value' => 'Yes'), array(
            'item_id' => $entry_id, 'field_id' => LS4S_FRM_FIELD_SPURCH_PCOMP
        ) ); // payment was completed so flag set to 'Yes' (my stuff)

        // Retrieving the group and capability names from the form fields:
        $ptype = FrmProEntriesController::get_field_value_shortcode(array('field_id' => LS4S_FRM_FIELD_SPURCH_PTYPE, 'entry_id' => $entry_id));
        $pname = FrmProEntriesController::get_field_value_shortcode(array('field_id' => LS4S_FRM_FIELD_SPURCH_PNAME, 'entry_id' => $entry_id));
        $psprn = FrmProEntriesController::get_field_value_shortcode(array('field_id' => LS4S_FRM_FIELD_SPURCH_SNUMB, 'entry_id' => $entry_id));

        $pslug = strtolower(sanitize_title($pname, 'j-u-n-k'));       // program name slug
        $pgrpname = strtolower($ptype) . '_' . $pslug;                // program group name
        $pcapname = $pgrpname . '__' . $psprn;                       // name of the capability to be added to the program group

        $group = Groups_Group::read_by_name( $pgrpname );
        $capability = Groups_Capability::read_by_capability( $pcapname );

        if ( $group && $capability ) { // add the capability to the group

            if ( !Groups_Group_Capability::read( $group->group_id, $capability->capability_id ) ) {

                Groups_Group_Capability::create(array('group_id' => $group->group_id, 'capability_id' => $capability->capability_id));
            }
        }

        // Maybe other things to do when payment is completed, such as set return url, etc.
        // ...

    }
}