regcode_voucher.module in Registration codes 6

File

regcode_voucher/regcode_voucher.module

<?php

/**
 * Implementation of hook_menu().
 */
function regcode_voucher_menu() {
  $items = array();
  $items['admin/user/regcodes/voucher'] = array(
    'title' => 'Voucher',
    'description' => 'Settings for using registration codes after registration',
    'type' => MENU_LOCAL_TASK,
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'regcode_voucher_admin',
    ),
    'access arguments' => array(
      'administer registration codes',
    ),
    'weight' => 20,
  );
  $items['user/%user/regcode'] = array(
    'title' => 'Voucher',
    'description' => 'Enter a voucher code',
    'type' => MENU_LOCAL_TASK,
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'regcode_voucher',
    ),
    'access callback' => '_regcode_voucher_accesscheck',
    'access arguments' => array(
      1,
      'tab',
    ),
    'weight' => 20,
  );
  return $items;
}

/**
 * Implementation of hook_user().
 */
function regcode_voucher_user($op, &$edit, &$account, $category = NULL) {
  switch ($op) {
    case 'form':
      $form = array();
      if (_regcode_voucher_accesscheck($account, 'editform')) {
        $form['regcode'] = array(
          '#type' => 'fieldset',
          '#title' => check_plain(variable_get('regcode_voucher_fieldset_title', t('Registration Code'))),
        );
        $form['regcode']['regcode_code'] = array(
          '#type' => 'textfield',
          '#title' => check_plain(variable_get('regcode_voucher_field_title', t('Registration Code'))),
          '#description' => check_plain(variable_get('regcode_voucher_field_description', t('Please enter your registration code.'))),
          '#required' => FALSE,
        );
      }
      return $form;
      break;
    case 'update':
      if (!empty($edit['regcode_code'])) {
        regcode_user('insert', $edit, $account);
        drupal_set_message(check_plain(variable_get('regcode_voucher_message', 'Voucher code used successfully.')));
      }
      break;
  }
}

/**
 * User code entry page
 */
function regcode_voucher() {
  $form = array();
  $form['regcode_introtext'] = array(
    '#type' => 'markup',
    '#value' => variable_get('regcode_voucher_introtext', ''),
  );
  $form['regcode_code'] = array(
    '#type' => 'textfield',
    '#title' => check_plain(variable_get('regcode_voucher_field_title', t('Registration Code'))),
    '#description' => check_plain(variable_get('regcode_voucher_field_description', t('Please enter your registration code.'))),
    '#required' => FALSE,
  );
  $form['regcode_submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit'),
  );
  return $form;
}

/**
 * Administration page
 */
function regcode_voucher_admin() {
  $form = array();
  $form['regcode_voucher_fieldset_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Field set title'),
    '#description' => t('The title of the voucher code fieldset'),
    '#default_value' => variable_get('regcode_voucher_fieldset_title', variable_get('regcode_fieldset_title', '')),
  );
  $form['regcode_voucher_field_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Field label'),
    '#description' => t('The label of the voucher code textfield.'),
    '#default_value' => variable_get('regcode_voucher_field_title', variable_get('regcode_field_title', '')),
  );
  $form['regcode_voucher_field_description'] = array(
    '#type' => 'textfield',
    '#title' => t('Field description'),
    '#description' => t('The description under the voucher code textfield.'),
    '#default_value' => variable_get('regcode_voucher_field_description', variable_get('regcode_field_description', '')),
  );
  $form['regcode_voucher_display'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Voucher form'),
    '#options' => array(
      'editform' => 'Display on user edit page',
      'tab' => 'Create tab in user profile',
    ),
    '#default_value' => variable_get('regcode_voucher_display', array()),
  );
  $form['regcode_voucher_introtext'] = array(
    '#type' => 'textarea',
    '#title' => t('Voucher page text'),
    '#description' => t('Text to be displayed on the voucher page'),
    '#default_value' => variable_get('regcode_voucher_introtext', ''),
  );
  $form['regcode_voucher_message'] = array(
    '#type' => 'textfield',
    '#title' => t('Voucher used message'),
    '#description' => t('Text to be displayed when the voucher was used successfully.'),
    '#default_value' => variable_get('regcode_voucher_message', t('Voucher code used successfully.')),
  );
  $form['regcode_voucher_allowed_roles'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Allow these roles'),
    '#description' => t('Select roles which can enter registration codes post registration.'),
    '#options' => user_roles(),
    '#default_value' => variable_get('regcode_voucher_allowed_roles', array()),
  );
  $form['regcode_voucher_disallowed_roles'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Disallow these roles'),
    '#description' => t('Select roles which can not enter registration codes post registration.'),
    '#options' => user_roles(),
    '#default_value' => variable_get('regcode_voucher_disallowed_roles', array()),
  );
  return system_settings_form($form);
}

/**
 * Submit handler
 */
function regcode_voucher_submit($form, $form_state) {
  $edit = $form_state['values'];
  $account = $GLOBALS['user'];

  // Simulate creating a new user
  regcode_user('insert', $edit, $account);

  // Redirect
  drupal_set_message(check_plain(variable_get('regcode_voucher_message', 'Voucher code used successfully.')));
  drupal_goto('user');
}

/**
 * Validate handler
 */
function regcode_voucher_validate($form, $form_state) {
  $edit = $form_state['values'];
  $account = $GLOBALS['user'];

  // Simulate a user profile validate
  regcode_user('validate', $edit, $account, 'account');
}

/**
 * Check whether an account has access to the voucher system
 */
function _regcode_voucher_accesscheck($account, $context = '') {

  // Pages enabled
  $enabled = array_filter(variable_get('regcode_voucher_display', array()));
  if (!in_array($context, $enabled)) {
    return FALSE;
  }

  // Role based access
  $allowed = array_filter(variable_get('regcode_voucher_allowed_roles', array()));
  $disallowed = array_filter(variable_get('regcode_voucher_disallowed_roles', array()));
  $access = FALSE;
  foreach ($account->roles as $rid => $role) {
    if (isset($allowed[$rid])) {
      $access = TRUE;
    }
  }
  foreach ($account->roles as $rid => $role) {
    if (isset($disallowed[$rid])) {
      $access = FALSE;
    }
  }
  return $access;
}

Functions

Name	Description
regcode_voucher	User code entry page
regcode_voucher_admin	Administration page
regcode_voucher_menu	Implementation of hook_menu().
regcode_voucher_submit	Submit handler
regcode_voucher_user	Implementation of hook_user().
regcode_voucher_validate	Validate handler
_regcode_voucher_accesscheck	Check whether an account has access to the voucher system