<?php
// $Id: cod.module,v 1.8 2006/05/12 07:26:23 gordon Exp $

/********************************************************************
 * Drupal Hooks
 ********************************************************************/

/**
 * Implementation of hook_help().
 */
function cod_help($section = 'admin/help#cod') {

  switch ($section) {
    case 'admin/modules#description':
      return t('Process payments using cash on delivery.');
  }
}

/**
 * Implementation of hook_settings().
 */
function cod_ec_settings() {
  $form['cod_title'] = array(
   '#type' => 'textfield', 
   '#title' => t('Title to use COD'), 
   '#default_value' => variable_get('cod_title', t('COD')), 
   '#size' => 70, 
   '#maxlength' => 780, 
   '#weight' => -1,
   '#desciption' => t('Description to show shoppers for this type of payment.')
  );
  $form['cod_url'] = array(
   '#type' => 'textfield', 
   '#title' => t('Page to go to after payment'), 
   '#default_value' => variable_get('cod_url', 'node'), 
   '#size' => 70, 
   '#maxlength' => 780, 
   '#weight' => -1,
   '#desciption' => t('Page to go to after payment is completed.')
  );
  $form['cod_txn_paid'] = array(
    '#type' => 'radios', 
    '#title' => t('Mark transaction as paid?'), 
    '#default_value' => variable_get('cod_txn_paid', 0), 
    '#options' => array(t('No'), t('Yes')),
    '#desciption' => t('Whether to mark transactions as paid immediately, or wait till the store admin marks them as paid') 
  );
  $form['cod_txn_completed'] = array(
    '#type' => 'radios', 
    '#title' => t('Mark transaction workflow as completed?'), 
    '#default_value' => variable_get('cod_txn_completed', 0), 
    '#options' => array(t('No'), t('Yes')),
    '#desciption' => t('Marks transactions that have no shippable items as completed in the workflow') 
  );

  return $form;
}

/**
 * The Controller to create a new payment interface.
 */
function cod_paymentapi(&$txn, $op, $arg = '') {
  switch ($op) {
    case 'display name':
      return variable_get('cod_title', t('COD'));;

    case 'payment page':
      return cod_goto($txn);
      break;
  }
}

function cod_goto($txn) {
  $edit = $_POST['edit'];

  if (variable_get('cod_txn_paid', 0)) {
    $edit['payment_status'] = payment_get_status_id('completed');

    drupal_set_message(t('Your purchase has been completed.'));

    if (variable_get('cod_txn_completed', 0)) {
      // Check if we have shippable items
      $has_shippable_item = false;
      foreach($txn->item as $key => $value) {
        if (product_is_shippable($key['vid'])) {
          $has_shippable_item = true;
        }
      }

      if (!$has_shippable_item = true) {
        $edit['workflow'] = 6;
      }
    }

       $edit['txnid'] = $txn->txnid;
    // Update the transaction
    $txnid = store_transaction_save($edit);
  }
  else {
    drupal_set_message(t('Your purchase has been received.'));
  }
  if ($txn->txnid) {
      // Send an email notification
      store_send_invoice_email($txn->txnid);
    };
  return strtr(variable_get('cod_url', 'product'), array('%txnid' => $txn->txnid));
}