mailsystem.install in Mail System 6.2

Sets/deletes the 'smtp_library' variable as mailsystem is enabled/disabled.

Also deletes the 'mail_system' variable as mailsystem is uninstalled.

File

mailsystem.install

<?php

/**
 * @file
 * Sets/deletes the 'smtp_library' variable as mailsystem is enabled/disabled.
 *
 * Also deletes the 'mail_system' variable as mailsystem is uninstalled.
 */

/**
 * Ensure that mailsystem has a higher module weight than any other module
 * implementing hook_mail_alter().
 */
function mailsystem_set_module_weight() {
  $modules = array_diff(module_implements('mail_alter'), array(
    'mailsystem',
  ));
  $query = db_query("SELECT MAX(weight) FROM {system} WHERE name IN ('" . implode("', '", $modules) . "') AND type = 'module'");
  $max = db_result($query);
  $max = $max + 1;
  $query = db_query("UPDATE {system} SET weight = {$max} WHERE name = 'mailsystem' AND type = 'module' and weight < {$max}");
}

/**
 * Implements hook_requirements().
 * Ensures that the newly-required autoload module is available, or else
 * disables the mailsystem module and returns an informative error message.
 */
function mailsystem_requirements($phase) {
  if ($phase === 'install') {
    return array();
  }
  mailsystem_set_module_weight();
  if (module_exists('autoload')) {
    return array();
  }
  $args = array(
    '!autoload' => url('http://drupal.org/project/autoload'),
    '%autoload' => 'Autoload',
    '!mailsystem' => url('http://drupal.org/project/mailsystem'),
    '%mailsystem' => 'Mail System',
  );
  if (module_enable(array(
    'autoload',
  )) && module_load_include('module', 'autoload')) {
    autoload_boot();
    autoload_registry_rebuild();
    drupal_set_message(t('The %autoload module has been enabled because the %mailsystem module now requires it.', $args));
    return array();
  }
  return array(
    'mailsystem_autoload' => array(
      'title' => t('%autoload module', $args),
      'value' => t('Not installed'),
      'description' => t('The <a href="!mailsystem">%mailsystem</a> module dependencies have changed.  Please download and install the required <a href="!autoload">%autoload</a> module, then re-enable the <a href="!mailsystem">%mailsystem</a> module.', $args),
      'severity' => REQUIREMENT_ERROR,
    ),
  );
}

/**
 * Implements hook_update_N().
 *
 * @see mailsystem_requirements()
 */
function mailsystem_update_6201() {
  if ($requirements = mailsystem_requirements('runtime')) {
    return array(
      '#abort' => array(
        'success' => FALSE,
        'query' => $requirements['mailsystem_autoload']['description'],
      ),
    );
  }
}

/**
 * Implements hook_enable().
 */
function mailsystem_enable() {
  variable_set('smtp_library', drupal_get_path('module', 'mailsystem') . '/mailsystem.inc');
}

/**
 * Implements hook_disable().
 */
function mailsystem_disable() {
  variable_del('smtp_library');
}

/**
 * Implements hook_uninstall().
 */
function mailsystem_uninstall() {
  variable_del('mail_system');
}

Functions

Name	Description
mailsystem_disable	Implements hook_disable().
mailsystem_enable	Implements hook_enable().
mailsystem_requirements	Implements hook_requirements(). Ensures that the newly-required autoload module is available, or else disables the mailsystem module and returns an informative error message.
mailsystem_set_module_weight	Ensure that mailsystem has a higher module weight than any other module implementing hook_mail_alter().
mailsystem_uninstall	Implements hook_uninstall().
mailsystem_update_6201	Implements hook_update_N().