EDIT

<?php

/**

 * @file

 * Install, update and uninstall functions for the cdm_dataportal module.

 */

/**

 * Implements hook_install().

 */

function cdm_dataportal_install() {

  db_update('system')

    ->fields(array(

      'weight' => 20,

    ))

    ->condition('name', 'cdm_dataportal')

    ->execute();

}

/**

 * Implements hook_uninstall().

 */

function cdm_dataportal_uninstall() {

  // Delete all nodes with a cdm content type from the node table.

  // Comment @WA: you also may want to delete these content types from the

  // node_type table.

  db_delete('node')

    ->condition('type', 'cdm_%')

    ->execute();

}

/*

 * update functions:

 *

 * - 1 digit for Drupal core compatibility.

 * - 1 digit for your module's major release version (e.g., is this the 7.x-1.* (1) or 7.x-2.* (2) series of your module?). This digit should be 0 for initial porting of your module to a new Drupal core API.

 * - 2 digits for sequential counting, starting with 00.

 *

 * @see http://api.drupal.org/api/drupal/modules!system!system.api.php/function/hook_update_N/7

 */

/**

 * update for RELEASE 3.1.3:

 *  - reset edit_map_server variable to default

 */

function cdm_dataportal_update_7301() {

  // reset edit_map_server variable to default

   return _remove_variable('edit_map_server');

}

/**

 * update for RELEASE 3.1.4:

 *  - reset edit_map_server variable to default

 */

function cdm_dataportal_update_7302() {

  return

  _remove_variable('edit_map_server') . // once again reset edit_map_server variable to default

  _rename_variable('cdm_dataportal_show_media', 'cdm_images_include_children');

}

/**

 * update for RELEASE 3.2.1:

 *  - adding missing permissions for role CDM Admin

 */

function cdm_dataportal_update_7303() {

  $role = user_role_load_by_name('CDM admin');

  if(!$role){

    return "Role CDM admin not found, so the update is skipped.";

  }

  $tasks_performed = array();

  // permissions for node types

  $node_type_names = node_type_get_names();

  $types_to_update = array('page', 'story', 'article');

  foreach ($types_to_update as $name){

    if(in_array($name, $node_type_names)) {

      $node_type_permissions = array(

          'create ' . $name . ' content',

          'edit any ' . $name . ' content',

          'edit own ' . $name . ' content',

          'delete any ' . $name . ' content',

          'delete own ' . $name . ' content',

      );

      user_role_grant_permissions($role->rid, $node_type_permissions);

      $tasks_performed[] = "node type " . $name;

    }

  }

  if(module_exists('extlinks')){

    $extlinks_permissions = array(

        'access extlinks content',

        'administer extlinks',

    );

    user_role_grant_permissions($role->rid, $extlinks_permissions);

    $tasks_performed[] = 'permissions for extlinks';

  }

  foreach (filter_formats() as $key=>$format){

    if($key == 'full_html' || $format->format == "Full HTML"){

      $formats_permissions = array(

          'use text format full_html'

      );

      user_role_grant_permissions($role->rid, $formats_permissions);

      $tasks_performed[] = 'use text format full_html';

    }

  }

  // assure  'create url aliases' can be set

  if(!module_exists('path')){

    module_enable(array('path'), TRUE);

    $tasks_performed[] = 'module path enabled';

  }

  $other_permissions = array(

      'create url aliases',

      'delete revisions',

      'revert revisions',

      'view own unpublished content',

      'flush caches'

  );

  user_role_grant_permissions($role->rid, $other_permissions);

  $tasks_performed[] = 'and other permissions';

  return "adding missing permissions for role CDM Admin: " . join(', ', $tasks_performed);

}

/**

 * update for RELEASE 3.2.2:

 *  - migrating variable cdm_dataportal_show_default_image to cdm_taxon_profile_image['show']

 *  - enabling required module file

 */

function cdm_dataportal_update_7304() {

    module_enable(array('file'), TRUE);

    $tasks_performed[] = 'module file enabled';

    $cdm_taxon_profile_image_settings = unserialize(CDM_TAXON_PROFILE_IMAGE_DEFAULT);

    $cdm_taxon_profile_image_settings['show'] = variable_get('cdm_dataportal_show_default_image', 0);

    variable_set(CDM_TAXON_PROFILE_IMAGE, $cdm_taxon_profile_image_settings);

    variable_del('cdm_dataportal_show_default_image');

    $tasks_performed[] = 'migrating variable cdm_dataportal_show_default_image to cdm_taxon_profile_image[\'show\']';

    return  join(', ',$tasks_performed);

}

/**

 * Renames a persistent variable.

 *

 * @return

 *   A message string of the performed operation.

 */

function _rename_variable($old_name, $new_name) {

  $success = FALSE;

  $value = variable_get($old_name, FALSE);

  variable_del($old_name);

  if ($value !== FALSE) {

    variable_set($new_name, $value);

    $success = variable_get($new_name, FALSE) === $value;

  }

  else {

    $success = TRUE;

  }

  return "Variable \'$old_name\' to \'$new_name\' renamed. ";

}

/**

 * Unsets a persistent variable.

 *

 * Calls variable_del() and returns a message string.

 *

 * @return

 *   A message string of the performed operation.

 */

function _remove_variable($name) {

  variable_del($name);

  return "Variable \'$name\' removed. ";

}

/**

 * Sets a persistent variable.

 *

 * Calls variable_set() and returns a message string.

 *

 * @return

 *   A message string of the performed operation.

 */

function _create_variable($name, $value) {

  variable_set($name, $value);

  return "Variable \'$name\' created with value: \'$value\'. ";

}

/**

 * Overwrites a persistent variable.

 *

 * Calls _create_variable() and returns a message string.

 *

 * @return

 *   A message string of the performed operation.

 */

function _modify_variable($name, $value_override) {

  /*

   * FIXME take care for correct handling of tree variables

   * for example description_gallery contains the array:

   * Array

   (

   [cdm_dataportal_show_thumbnail_captions] => 1

   [cdm_dataportal_media_maxextend] => 120

   [cdm_dataportal_media_cols] => 4

   )

   * -----> solutions merge arrays !!!

   */

  return _create_variable($name, $value_override);

}