215 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			215 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
<?php
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/**
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 * @file
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 * Provides a Solr-based service class for the Search API.
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 */
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/**
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 * Implements hook_menu().
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 */
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function search_api_solr_menu() {
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  $items['admin/config/search/search_api/server/%search_api_server/files'] = array(
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    'title' => 'Files',
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    'description' => 'View Solr configuration files.',
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    'page callback' => 'drupal_get_form',
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    'page arguments' => array('search_api_solr_solr_config_form', 5),
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    'access callback' => 'search_api_access_server_files',
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    'access arguments' => array(5),
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    'file' => 'search_api_solr.admin.inc',
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    'type' => MENU_LOCAL_TASK,
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    'weight' => -1,
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  );
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  return $items;
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}
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/**
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 * Implements hook_search_api_service_info().
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 */
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function search_api_solr_search_api_service_info() {
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  $services['search_api_solr_service'] = array(
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    'name' => t('Solr service'),
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    'description' => t('<p>Index items using an Apache Solr search server.</p>' .
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        '<ul>' . '<li>All field types are supported and indexed in a special way, with URI/String and Integer/Duration being equivalent.</li>' .
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        '<li>See <a href="@url">the Solr wiki</a> for information about the "direct" parse mode.</li>' .
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        '<li>Supports the search_api_facets and search_api_multi features.</li>' .
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        '<li>Will use internal Solr preprocessors, so Search API preprocessors should for the most part be deactivated.</li>' .
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        '<li>See the README.txt file provided with this module for details.</li>' . '</ul>',
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        array('@url' => url('http://wiki.apache.org/solr/SolrQuerySyntax'))),
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    'class' => 'SearchApiSolrService',
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  );
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  return $services;
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}
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/**
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 * Implements hook_help().
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 */
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function search_api_solr_help($path, array $arg = array()) {
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  if ($path == 'admin/config/search/search_api') {
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    // Included because we need the REQUIREMENT_* constants.
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    include_once(DRUPAL_ROOT . '/includes/install.inc');
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    module_load_include('install', 'search_api_solr');
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    $reqs = search_api_solr_requirements('runtime');
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    foreach ($reqs as $req) {
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      if (isset($req['description'])) {
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        $type = $req['severity'] == REQUIREMENT_ERROR ? 'error' : ($req['severity'] == REQUIREMENT_WARNING ? 'warning' : 'status');
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        drupal_set_message($req['description'], $type);
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      }
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    }
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  }
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  elseif ($path == 'admin/config/search/search_api/server/%' && !empty($arg[5])) {
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    $server = search_api_server_load($arg[5]);
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    if ($server && $server->enabled && $server->class == 'search_api_solr_service') {
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      $ping = $server->ping();
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      $type = $ping ? 'status' : 'error';
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      if ($ping) {
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        $msg = t('The Solr server could be reached (latency: @millisecs ms).', array('@millisecs' => $ping * 1000));
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      }
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      else {
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        $msg = t('The Solr server could not be reached.');
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      }
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      drupal_set_message($msg, $type);
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    }
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  }
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}
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/**
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 * Implements hook_cron().
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 *
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 * Used to execute an optimization operation on all enabled Solr servers once a
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 * day.
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 */
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function search_api_solr_cron() {
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  if (REQUEST_TIME - variable_get('search_api_solr_last_optimize', 0) > 86400) {
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    variable_set('search_api_solr_last_optimize', REQUEST_TIME);
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    $conditions = array('class' => 'search_api_solr_service', 'enabled' => TRUE);
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    foreach (search_api_server_load_multiple(FALSE, $conditions) as $server) {
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      try {
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        $server->getSolrConnection()->optimize(FALSE);
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      }
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      catch(Exception $e) {
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        watchdog_exception('search_api_solr', $e, '%type while optimizing Solr server @server: !message in %function (line %line of %file).', array('@server' => $server->name));
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      }
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    }
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  }
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}
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/**
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 * Implements hook_flush_caches().
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 */
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function search_api_solr_flush_caches() {
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  return array('cache_search_api_solr');
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}
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/**
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 * Implements hook_search_api_server_update().
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 */
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function search_api_solr_search_api_server_update(SearchApiServer $server) {
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  if ($server->class === 'search_api_solr_service') {
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    $server->getSolrConnection()->clearCache();
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  }
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}
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/**
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 * Retrieves a list of all config files of a server.
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 *
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 * @param SearchApiServer $server
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 *   The Solr server whose files should be retrieved.
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 * @param string $dir_name
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 *   (optional) The directory that should be searched for files. Defaults to the
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 *   root config directory.
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 *
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 * @return array
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 *   An associative array of all config files in the given directory. The keys
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 *   are the file names, values are arrays with information about the file. The
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 *   files are returned in alphabetical order and breadth-first.
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 *
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 * @throws SearchApiException
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 *   If a problem occurred while retrieving the files.
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 */
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function search_api_solr_server_get_files(SearchApiServer $server, $dir_name = NULL) {
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  $response = $server->getFile($dir_name);
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  // Search for directories and recursively merge directory files.
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  $files_data = json_decode($response->data, TRUE);
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  $files_list = $files_data['files'];
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  $result = array('' => array());
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  foreach ($files_list as $file_name => $file_info) {
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    if (empty($file_info['directory'])) {
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      $result[''][$file_name] = $file_info;
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    }
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    else {
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      $result[$file_name] = search_api_solr_server_get_files($server, $file_name);
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    }
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  }
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  ksort($result);
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  ksort($result['']);
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  return array_reduce($result, 'array_merge', array());
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}
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/**
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 * Access callback for a server's "Files" tab.
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 *
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 * Grants access if the user has the "administer search_api" permission and the
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 * server is a Solr server.
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 *
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 * @param SearchApiServer $server
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 *   The server for which access should be tested.
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 *
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 * @return bool
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 *   TRUE if access should be granted, FALSE otherwise.
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 */
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function search_api_access_server_files(SearchApiServer $server) {
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  if (!user_access('administer search_api')) {
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    return FALSE;
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  }
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  $service_info = search_api_get_service_info($server->class);
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  $service_class = $service_info['class'];
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  if (empty($service_class) || !class_exists($service_class)) {
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    // Service class not found.
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    return FALSE;
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  }
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  if ($service_class == 'SearchApiSolrService' || in_array('SearchApiSolrService', class_parents($service_class))) {
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    // It's an SearchApiSolrService based connection class.
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    return TRUE;
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  }
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  return FALSE;
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}
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/**
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 * Switches a server to use clean identifiers.
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 *
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 * Used as a submit callback in SearchApiSolrService::configurationForm().
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 */
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function _search_api_solr_switch_to_clean_ids(array $form, array &$form_state) {
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  $server = $form_state['server'];
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  $server->options['clean_ids'] = TRUE;
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  $server->save();
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  drupal_set_message(t('The Solr server was successfully switched to use clean field identifiers.'));
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  $count = 0;
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  $conditions['server'] = $server->machine_name;
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  $conditions['enabled'] = 1;
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  foreach (search_api_index_load_multiple(FALSE, $conditions) as $index) {
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    if (!empty($index->options['fields'])) {
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      foreach ($index->options['fields'] as $key => $field) {
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        if (strpos($key, ':') !== FALSE) {
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          $index->reindex();
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          ++$count;
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          break;
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        }
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      }
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    }
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  }
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  if ($count) {
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    $msg = format_plural($count, '1 index was scheduled for re-indexing.', '@count indexes were scheduled for re-indexing.');
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    drupal_set_message($msg);
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  }
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}
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