islandora_workflow.install

<?php
/**
 * @file
 * @author: William Panting
 * @date: 31/05/2011
 * This file handles setting up the database for the islandora_workflow module
 */

/**
 * Set up the islandora_workflow module's database schema.
 *
 * @return array
 *   $workflow_schema an array of database table(s) for islandora_workflow.
 */
function islandora_workflow_schema() {
  $workflow_schema = array();
  $workflow_schema['islandora_workflow_role_permissions'] = array(

    'description' => 'The collection level role based permissions for workflow users.',
    'fields' => array(
      'uid' => array(
        'description' => 'The primary identifier for an instance of a permision.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'role' => array(
        'description' => 'The drupal user role associated with the permission instance.',
        'type' => 'varchar',
        'length' => 100,
        'not null' => TRUE,
        'default' => '',
      ),
      'permission' => array(
        'description' => 'The drupal permission type associated with the permission instance.',
        'type' => 'varchar',
        'length' => 50,
        'not null' => TRUE,
        'default' => '',
      ),
      'collection' => array(
        'description' => 'The Fedora collection associated with the permission instance.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
    ),
    'primary key' => array('uid'),
  );

  $workflow_schema['islandora_workflow_user_permissions'] = array(

    'description' => 'The collection level user based permissions for workflow users.',
    'fields' => array(
      'uid' => array(
        'description' => 'The primary identifier for an instance of a permision.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'user' => array(
        'description' => 'The drupal user associated with the permission instance.',
        'type' => 'varchar',
        'length' => 100,
        'not null' => TRUE,
        'default' => '',
      ),
      'permission' => array(
        'description' => 'The drupal permission type associated with the permission instance.',
        'type' => 'varchar',
        'length' => 50,
        'not null' => TRUE,
        'default' => '',
      ),
      'collection' => array(
        'description' => 'The Fedora collection associated with the permission instance.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
    ),
    'primary key' => array('uid'),
  );

  return $workflow_schema;
}

/**
 * Implements hook_install().
 *
 * This function handles the installation of islandora_workflow
 * [just adds the schema and variables]
 */
function islandora_workflow_install() {
  drupal_install_schema('islandora_workflow');
}

/**
 * Implements hook_uninstall().
 *
 * This function handles removing the islandora_workflow module's
 * database schema and variables
 */
function islandora_workflow_uninstall() {
  drupal_uninstall_schema('islandora_workflow');

  // Remove all variables prefixed with the module's name.
  global $conf;
  foreach (array_keys($conf) as $var_name) {
    if (strpos($var_name, 'islandora_workflow_') === 0) {
      variable_del($var_name);
    }
  }
}