<?php

/**
 * @file
 * Install, update and uninstall functions for the Search Configuration module.
 */

/**
 * Implements hook_schema().
 *
 * Note that the schema is more generic than the actual implementation at the
 * moment. This may be extended to other search indexes.
 */
function search_config_schema() {
  $schema['search_config_exclude'] = array(
    'description' => 'Provides a way to exclude specific entities from the search results. Note that this does not stop the entities from being indexed.',
    'fields' => array(
      'entity_id' => array(
        'description' => 'The {node}.nid to exclude.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'entity_type' => array(
        'description' => 'The entity type to exclude.',
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
      ),
      'exclude' => array(
        'description' => 'Exclusion flag. Default 1: exclude from public searches.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 1,
        'size' => 'tiny',
      ),
    ),
    'primary key' => array('entity_id', 'entity_type'),
  );

  return $schema;
}

/**
 * Implements hook_install().
 *
 * This provides the two core user roles permissions to search all content.
 */
function search_config_install() {
  // Ensure that this is in scope.
  module_load_include('module', 'search_config');

  $insert = db_insert('role_permission')->fields(array('rid', 'permission'));
  foreach (array(DRUPAL_ANONYMOUS_RID, DRUPAL_AUTHENTICATED_RID) as $rid) {
    if (!search_config_get_roles_by_permission($rid, 'search all content')) {
      $insert->values(array(
        'rid' => $rid,
        'permission' => 'search all content',
      ));
    }
  }

  $insert->execute();

  // And prevent warnings.
  $settings = search_config_node_settings();
  variable_set('search_config', $settings);
}

/**
 * Implements hook_uninstall().
 */
function search_config_uninstall() {
  variable_del('search_config');
}

/**
 * Provides the upgrade from 6.x to 7.x
 *
 * Minimal upgrade step. Requires manual reconfiguration.
 */
function search_config_update_7000() {
  // Ensure that these are always in scope.
  module_load_include('module', 'search_config');

  // Ensure that we do not block search by default.
  $insert = db_insert('role_permission')->fields(array('rid', 'permission'));
  foreach (array(DRUPAL_ANONYMOUS_RID, DRUPAL_AUTHENTICATED_RID) as $rid) {
    if (!search_config_get_roles_by_permission($rid, 'search all content')) {
      $insert->values(array(
        'rid' => $rid,
        'permission' => 'search all content',
      ));
    }
  }
  $insert->execute();

  // And prevent warnings.
  $settings = search_config_node_settings();
  variable_set('search_config', $settings);

  // Remove the old 6.x variables.
  variable_del('search_config_disable_or');
  variable_del('search_config_disable_phrase');
  variable_del('search_config_disable_negative');
  variable_del('search_config_disable_category_all');
  variable_del('search_config_disable_category');
  variable_del('search_config_disable_type');
  variable_del('search_config_disable_index_type');
}

/**
 * Creates entity search exclusion table.
 */
function search_config_update_7001() {
  $schema = array(
    'description' => 'Provides a way to exclude specific entities from the search results. Note that this does not stop the entities from being indexed.',
    'fields' => array(
      'entity_id' => array(
        'description' => 'The {node}.nid to exclude.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'entity_type' => array(
        'description' => 'The entity type to exclude.',
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
      ),
      'exclude' => array(
        'description' => 'Exclusion flag. Default 1: exclude from public searches.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 1,
        'size' => 'tiny',
      ),
    ),
    'primary key' => array('entity_id', 'entity_type'),
  );
  db_create_table('search_config_exclude', $schema);
}