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Drupal example source code file (uc_payment_pack.module)

This example Drupal source code file (uc_payment_pack.module) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

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The uc_payment_pack.module Drupal example source code

<?php
// $Id: uc_payment_pack.module,v 1.6.2.11 2010/07/12 01:57:44 tr Exp $

/**
 * @file Provides the check/money order, COD, and "other" payment methods.
 */

/*******************************************************************************
 * Hook Functions (Drupal)
 ******************************************************************************/

function uc_payment_pack_menu() {
  $items['admin/store/orders/%uc_order/receive_check'] = array(
    'title' => 'Receive Check',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('uc_payment_pack_receive_check_form', 3),
    'access arguments' => array('view all orders'),
    'type' => MENU_CALLBACK,
    'file' => 'uc_payment_pack.admin.inc',
  );

  return $items;
}

function uc_payment_pack_theme() {
  return array(
    'uc_payment_method_other_form' => array(
      'arguments' => array('form' => NULL),
    ),
    'uc_payment_pack_receive_check_form' => array(
      'arguments' => array('form' => NULL),
      'file' => 'uc_payment_pack.admin.inc',
    ),
  );
}

/**
 * Implementation of hook_init().
 */
function uc_payment_pack_init() {
  global $conf;
  $conf['i18n_variables'][] = 'uc_cod_policy';
  $conf['i18n_variables'][] = 'uc_check_policy';
}

/**
 * Implementation of hook_payment_method().
 */
function uc_payment_pack_payment_method() {
  $methods[] = array(
    'id' => 'check',
    'name' => t('Check'),
    'title' => t('Check or money order'),
    'desc' => t('Pay by mailing a check or money order.'),
    'callback' => 'uc_payment_method_check',
    'weight' => 1,
    'checkout' => TRUE,
    'no_gateway' => TRUE,
  );
  $methods[] = array(
    'id' => 'cod',
    'name' => t('COD'),
    'title' => t('Cash on delivery'),
    'desc' => t('Pay cash on delivery on pick-up.'),
    'callback' => 'uc_payment_method_cod',
    'weight' => 1,
    'checkout' => FALSE,
    'no_gateway' => TRUE,
  );
  $methods[] = array(
    'id' => 'other',
    'name' => t('Other'),
    'title' => t('Other'),
    'desc' => t('A generic payment method type.'),
    'callback' => 'uc_payment_method_other',
    'weight' => 10,
    'checkout' => FALSE,
    'no_gateway' => TRUE,
  );

  return $methods;
}

/**
 * Handle the generic payment method "Other."
 */
function uc_payment_method_other($op, &$arg1) {
  switch ($op) {
    case 'order-view':
    case 'customer-view':
      // Fetch the description for the payment entered by the administrator.
      if ($description = db_result(db_query("SELECT description FROM {uc_payment_other} WHERE order_id = %d", $arg1->order_id))) {
        return t('Description: @desc', array('@desc' => $description));
      }
      break;

    case 'order-details':
      $details = drupal_get_form('uc_payment_method_other_form', $arg1);
      return uc_strip_form($details);

    case 'edit-process':
      $changes['payment_details']['pm_other_description'] = check_plain($_POST['pm_other_description']);
      return $changes;

    case 'order-load':
      if ($description = db_result(db_query("SELECT description FROM {uc_payment_other} WHERE order_id = %d", $arg1->order_id))) {
        $arg1->payment_details['description'] = $description;
      }
      break;

    case 'order-save':
      db_query("DELETE FROM {uc_payment_other} WHERE order_id = %d", $arg1->order_id);
      if (!empty($arg1->payment_details['pm_other_description'])) {
        db_query("INSERT INTO {uc_payment_other} (order_id, description) VALUES (%d, '%s')", $arg1->order_id, $arg1->payment_details['pm_other_description']);
      }
      break;
  }
}

function uc_payment_method_other_form($form_state, $order) {
  $form['pm_other_description'] = array(
    '#type' => 'textfield',
    '#size' => 32,
    '#maxlength' => 64,
    '#default_value' => $order->payment_details['description'],
  );

  return $form;
}

function theme_uc_payment_method_other_form($form) {
  $output = '<table class="order-edit-table"><tr><td class="oet-label">'
          . t('Description:') .'</td><td>'
          . drupal_render($form['pm_other_description'])
          .'</td></tr></table>';
  return $output;
}

/**
 * Handle the Cash on Delivery payment method.
 */
function uc_payment_method_cod($op, &$arg1) {
  switch ($op) {
    case 'cart-details':
      $details = variable_get('uc_cod_policy', t('Full payment is expected upon delivery or prior to pick-up.'));
      if (($max = variable_get('uc_cod_max_order', 0)) > 0 && is_numeric($max)) {
        $context = array(
          'revision' => 'formatted-original',
          'type' => 'amount',
        );
        $details .= '<p>'. t('Orders totalling more than !number are <b>not eligible</b> for COD.', array('!number' => uc_price($max, $context))) .'</p>';
      }
      if (variable_get('uc_cod_delivery_date', FALSE)) {
        $details .= uc_strip_form(drupal_get_form('uc_payment_method_cod_form', $arg1));
      }
      return $details;

    case 'cart-process':
      if (variable_get('uc_cod_delivery_date', FALSE)) {
        $arg1->payment_details['delivery_month'] = intval($_POST['cod_delivery_month']);
        $arg1->payment_details['delivery_day'] = intval($_POST['cod_delivery_day']);
        $arg1->payment_details['delivery_year'] = intval($_POST['cod_delivery_year']);
      }
      return TRUE;

    case 'cart-review':
      if (variable_get('uc_cod_delivery_date', FALSE)) {
        $date = uc_date_format($arg1->payment_details['delivery_month'],
                               $arg1->payment_details['delivery_day'],
                               $arg1->payment_details['delivery_year']);
        $review[] = array('title' => t('Delivery Date'), 'data' => $date);
      }
      return $review;

    case 'order-view':
    case 'customer-view':
      if (variable_get('uc_cod_delivery_date', FALSE)) {
        $output = t('Desired delivery date:') .'<br />'
                . uc_date_format($arg1->payment_details['delivery_month'],
                                 $arg1->payment_details['delivery_day'],
                                 $arg1->payment_details['delivery_year']);
      }
      return $output;

    case 'order-details':
      if (variable_get('uc_cod_delivery_date', FALSE)) {
        $details .= uc_strip_form(drupal_get_form('uc_payment_method_cod_form', $arg1));
      }
      return $details;

    case 'edit-process':
      if (variable_get('uc_cod_delivery_date', FALSE)) {
        return array(
          'payment_details' => array(
            'delivery_month' => intval($_POST['cod_delivery_month']),
            'delivery_day' => intval($_POST['cod_delivery_day']),
            'delivery_year' => intval($_POST['cod_delivery_year']),
          ),
        );
      }
      return;

    case 'order-load':
      $result = db_query("SELECT * FROM {uc_payment_cod} WHERE order_id = %d", $arg1->order_id);
      if ($row = db_fetch_object($result)) {
        $arg1->payment_details['delivery_month'] = $row->delivery_month;
        $arg1->payment_details['delivery_day'] = $row->delivery_day;
        $arg1->payment_details['delivery_year'] = $row->delivery_year;
      }
      break;

    case 'order-submit':
      if ($arg1->payment_method == 'cod' &&
          ($max = variable_get('uc_cod_max_order', 0)) > 0 &&
          is_numeric($max) &&
          $arg1->order_total > $max) {
          $result[] = array(
            'pass' => FALSE,
            'message' => t('Your final order total exceeds the maximum for COD payment.  Please go back and select a different method of payment.')
          );
          $_SESSION['expanded_panes'][] = 'payment';
          return $result;
      }
    case 'order-save':
      db_query("DELETE FROM {uc_payment_cod} WHERE order_id = %d", $arg1->order_id);
      db_query("INSERT INTO {uc_payment_cod} VALUES (%d, %d, %d, %d)",
               $arg1->order_id, $arg1->payment_details['delivery_month'],
               $arg1->payment_details['delivery_day'], $arg1->payment_details['delivery_year']);
      break;

    case 'order-delete':
      db_query("DELETE FROM {uc_payment_cod} WHERE order_id = %d", $arg1->order_id);
      break;

    case 'settings':
      $form['uc_cod_policy'] = array(
        '#type' => 'textarea',
        '#title' => t('Policy message'),
        '#default_value' => variable_get('uc_cod_policy', t('Full payment is expected upon delivery or prior to pick-up.')),
        '#description' => t('Help message shown at checkout.'),
      );
      $form['uc_cod_max_order'] = array(
        '#type' => 'textfield',
        '#title' => t('Maximum order total eligible for COD'),
        '#default_value' => variable_get('uc_cod_max_order', 0),
        '#description' => t('Set to 0 for no maximum order limit.'),
      );
      $form['uc_cod_delivery_date'] = array(
        '#type' => 'checkbox',
        '#title' => t('Let customers enter a desired delivery date.'),
        '#default_value' => variable_get('uc_cod_delivery_date', FALSE),
      );
      return $form;
  }
}

function uc_payment_method_cod_form($form_state, $order) {
  $form['table1'] = array('#value' => '<style>.cod-table div, .cod-table { display: inline; }.cod-table tbody { border-top: 0px; }</style><table class="cod-table"><tr><td class="form-item" colspan="3"><label>'. t('Enter a desired delivery date:') .'</label></td></tr><tr><td>');
  $month = (!empty($order->payment_details['delivery_month'])) ? $order->payment_details['delivery_month'] : format_date(time(), 'custom', 'n');
  $form['cod_delivery_month'] = uc_select_month(NULL, $month);
  $form['table2'] = array('#value' => '</td><td>');
  $day = (!empty($order->payment_details['delivery_day'])) ? $order->payment_details['delivery_day'] : format_date(time(), 'custom', 'j');
  $form['cod_delivery_day'] = uc_select_day(NULL, $day);
  $form['table3'] = array('#value' => '</td><td>');
  $year = (!empty($order->payment_details['delivery_year'])) ? $order->payment_details['delivery_year'] : format_date(time(), 'custom', 'Y');
  $form['cod_delivery_year'] = uc_select_year(NULL, $year, format_date(time(), 'custom', 'Y'), format_date(time(), 'custom', 'Y') + 1);
  $form['table4'] = array('#value' => '</td></tr></table>');

  return $form;
}

/**
 * Handle the Check payment method.
 */
function uc_payment_method_check($op, &$arg1) {
  switch ($op) {
    case 'cart-details':
      if (!variable_get('uc_check_mailing_street1', FALSE)) {
        $details = t('Checks should be made out to:') .'<p>'
                 . uc_address_format(variable_get('uc_store_name', ''),
                                     NULL,
                                     variable_get('uc_store_company', ''),
                                     variable_get('uc_store_street1', ''),
                                     variable_get('uc_store_street2', ''),
                                     variable_get('uc_store_city', ''),
                                     variable_get('uc_store_zone', ''),
                                     variable_get('uc_store_postal_code', ''),
                                     variable_get('uc_store_country', 840))
                  .'</p><p>'. variable_get('uc_check_policy', '') .'</p>';
      }
      else {
        $details = t('Checks should be made out to:') .'<p>'
                 . uc_address_format(variable_get('uc_check_mailing_name', ''),
                                     NULL,
                                     variable_get('uc_check_mailing_company', ''),
                                     variable_get('uc_check_mailing_street1', ''),
                                     variable_get('uc_check_mailing_street2', ''),
                                     variable_get('uc_check_mailing_city', ''),
                                     variable_get('uc_check_mailing_zone', ''),
                                     variable_get('uc_check_mailing_postal_code', ''),
                                     variable_get('uc_check_mailing_country', 840))
                  .'</p><p>'. variable_get('uc_check_policy', '') .'</p>';
      }
      return $details;

    case 'cart-review':
      if (!variable_get('uc_check_mailing_street1', FALSE)) {
        $review[] = array('title' => t('Mail to'), 'data' =>
                   uc_address_format(variable_get('uc_store_name', ''),
                                     NULL,
                                     variable_get('uc_store_company', ''),
                                     variable_get('uc_store_street1', ''),
                                     variable_get('uc_store_street2', ''),
                                     variable_get('uc_store_city', ''),
                                     variable_get('uc_store_zone', ''),
                                     variable_get('uc_store_postal_code', ''),
                                     variable_get('uc_store_country', 840)));
      }
      else {
        $review[] = array('title' => t('Mail to'), 'data' =>
                   uc_address_format(variable_get('uc_check_mailing_name', ''),
                                     NULL,
                                     variable_get('uc_check_mailing_company', ''),
                                     variable_get('uc_check_mailing_street1', ''),
                                     variable_get('uc_check_mailing_street2', ''),
                                     variable_get('uc_check_mailing_city', ''),
                                     variable_get('uc_check_mailing_zone', ''),
                                     variable_get('uc_check_mailing_postal_code', ''),
                                     variable_get('uc_check_mailing_country', 840)));
      }
      return $review;

    case 'order-view':
      if (!variable_get('uc_payment_tracking', TRUE)) {
        return '';
      }
      $result = db_query("SELECT clear_date FROM {uc_payment_check} WHERE "
                        ."order_id = %d ", $arg1->order_id);
      if ($check = db_fetch_object($result)) {
        $output = t('Clear Date:') .' '. format_date($check->clear_date, 'custom', variable_get('uc_date_format_default', 'm/d/Y'));
      }
      else {
        $output = l(t('Receive Check'), 'admin/store/orders/'. $arg1->order_id .'/receive_check');
      }
      $output .= '<br />';
      return $output;

    case 'customer-view':
      if (!variable_get('uc_payment_tracking', TRUE)) {
        return '';
      }
      $result = db_query("SELECT clear_date FROM {uc_payment_check} WHERE order_id = %d ", $arg1->order_id);
      if ($check = db_fetch_object($result)) {
        $output = t('Check received') .'<br />'
                . t('Expected clear date:') .'<br />'. format_date($check->clear_date, 'custom', variable_get('uc_date_format_default', 'm/d/Y'));
      }
      return $output;

    case 'settings':
      $form['check_address_info'] = array(
        '#value' => '<div>'. t('Set the mailing address to display to customers who choose this payment method during checkout.') .'</div>',
      );
      $form['uc_check_mailing_company'] = uc_textfield(uc_get_field_name('company'), variable_get('uc_check_mailing_company', ''), FALSE, NULL, 128);
      $form['uc_check_mailing_name'] = uc_textfield(t('Contact'), variable_get('uc_check_mailing_name', ''), FALSE, t('Direct checks to a person or department.'), 128);
      $form['uc_check_mailing_street1'] = uc_textfield(uc_get_field_name('street1'), variable_get('uc_check_mailing_street1', ''), FALSE, NULL, 128);
      $form['uc_check_mailing_street2'] = uc_textfield(uc_get_field_name('street2'), variable_get('uc_check_mailing_street2', ''), FALSE, NULL, 128);
      $form['uc_check_mailing_city'] = uc_textfield(uc_get_field_name('city'), variable_get('uc_check_mailing_city', ''), FALSE);
      $form['uc_check_mailing_country'] = uc_country_select(uc_get_field_name('country'), variable_get('uc_check_mailing_country', uc_store_default_country()));
      if (isset($_POST['uc_check_mailing_country'])) {
        $country_id = intval($_POST['uc_check_mailing_country']);
      }
      else {
        $country_id = variable_get('uc_check_mailing_country', uc_store_default_country());
      }
      $form['uc_check_mailing_zone'] = uc_zone_select(uc_get_field_name('zone'), variable_get('uc_check_mailing_zone', ''), FALSE, $country_id);
      $form['uc_check_mailing_postal_code'] = uc_textfield(uc_get_field_name('postal_code'), variable_get('uc_check_mailing_postal_code', ''), FALSE, NULL, 10, 10);
      $form['uc_check_policy'] = array(
        '#type' => 'textarea',
        '#title' => t('Check payment policy'),
        '#description' => t('Instructions for customers on the checkout page.'),
        '#default_value' => variable_get('uc_check_policy', t('Personal and business checks will be held for up to 10 business days to ensure payment clears before an order is shipped.')),
        '#rows' => 3,
      );
      return $form;
  }
}

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