habitat.module in Habitat 7

Change enabled modules based on current environment.

File

habitat.module

<?php

/**
 * @file
 * Change enabled modules based on current environment.
 */

/**
 * Implements hook_init().
 */
function habitat_init() {
  habitat_ensure_habitat();
}
function habitat_ensure_habitat() {
  $variable = variable_get('habitat_variable', 'fetcher_environment');
  if ($habitat = variable_get($variable, FALSE)) {
    $clear_caches = habitat_ensure_modules_disabled($habitat);
    $clear_caches |= habitat_ensure_modules_enabled($habitat);
    if ($clear_caches) {
      system_flush_caches();
    }
  }
}
function habitat_ensure_modules_disabled($habitat) {
  $disabled_modules = variable_get('habitat_disable_' . $habitat, array());
  $ret = FALSE;
  if (count($disabled_modules)) {
    foreach ($disabled_modules as $module) {
      if (module_exists($module)) {
        $ret = TRUE;
        module_disable(array(
          $module,
        ), FALSE);
        watchdog('habitat', '%module was disabled for the %habitat habitat', array(
          '%module' => $module,
          '%habitat' => $habitat,
        ));
      }
    }
  }
  return $ret;
}
function habitat_ensure_modules_enabled($habitat) {
  $enabled_modules = variable_get('habitat_enable_' . $habitat, array());
  $ret = FALSE;
  if (count($enabled_modules)) {
    foreach ($enabled_modules as $module) {
      if ($module && !module_exists($module)) {
        $ret = TRUE;
        module_enable(array(
          $module,
        ));
        watchdog('habitat', '%module was enabled for the %habitat habitat', array(
          '%module' => $module,
          '%habitat' => $habitat,
        ));
      }
    }
  }
  return $ret;
}

/**
 * Implements hook_requirements().
 */
function habitat_requirements($phase) {
  if ($phase == 'runtime') {
    $variable = variable_get('habitat_variable', 'fetcher_environment');
    $habitat = variable_get($variable, FALSE);
    return array(
      'habitat' => array(
        'title' => 'Habitat',
        'value' => $habitat ? $habitat : 'Not defined',
        'description' => 'The habitat defined on the current environment.',
        'severity' => $habitat ? REQUIREMENT_OK : REQUIREMENT_WARNING,
      ),
    );
  }
}

Functions

Name	Description
habitat_ensure_habitat
habitat_ensure_modules_disabled
habitat_ensure_modules_enabled
habitat_init	Implements hook_init().
habitat_requirements	Implements hook_requirements().