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1 <?php
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2
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3 namespace Drupal\node\Plugin\Search;
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4
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5 use Drupal\Core\Access\AccessResult;
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6 use Drupal\Core\Cache\CacheableMetadata;
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7 use Drupal\Core\Config\Config;
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8 use Drupal\Core\Database\Connection;
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9 use Drupal\Core\Database\Database;
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10 use Drupal\Core\Database\Query\SelectExtender;
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11 use Drupal\Core\Database\StatementInterface;
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12 use Drupal\Core\Entity\EntityManagerInterface;
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13 use Drupal\Core\Extension\ModuleHandlerInterface;
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14 use Drupal\Core\Form\FormStateInterface;
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15 use Drupal\Core\Language\LanguageInterface;
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16 use Drupal\Core\Language\LanguageManagerInterface;
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17 use Drupal\Core\Messenger\MessengerInterface;
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18 use Drupal\Core\Session\AccountInterface;
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19 use Drupal\Core\Access\AccessibleInterface;
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20 use Drupal\Core\Database\Query\Condition;
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21 use Drupal\Core\Render\RendererInterface;
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22 use Drupal\node\NodeInterface;
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23 use Drupal\search\Plugin\ConfigurableSearchPluginBase;
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24 use Drupal\search\Plugin\SearchIndexingInterface;
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25 use Drupal\Search\SearchQuery;
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26 use Symfony\Component\DependencyInjection\ContainerInterface;
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27
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28 /**
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29 * Handles searching for node entities using the Search module index.
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30 *
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31 * @SearchPlugin(
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32 * id = "node_search",
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33 * title = @Translation("Content")
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34 * )
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35 */
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36 class NodeSearch extends ConfigurableSearchPluginBase implements AccessibleInterface, SearchIndexingInterface {
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37
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38 /**
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39 * The current database connection.
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40 *
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41 * @var \Drupal\Core\Database\Connection
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42 */
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43 protected $database;
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44
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45 /**
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46 * The replica database connection.
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47 *
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48 * @var \Drupal\Core\Database\Connection
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49 */
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50 protected $databaseReplica;
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51
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52 /**
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53 * An entity manager object.
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54 *
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55 * @var \Drupal\Core\Entity\EntityManagerInterface
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56 */
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57 protected $entityManager;
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58
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59 /**
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60 * A module manager object.
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61 *
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62 * @var \Drupal\Core\Extension\ModuleHandlerInterface
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63 */
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64 protected $moduleHandler;
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65
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66 /**
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67 * A config object for 'search.settings'.
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68 *
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69 * @var \Drupal\Core\Config\Config
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70 */
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71 protected $searchSettings;
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72
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73 /**
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74 * The language manager.
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75 *
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76 * @var \Drupal\Core\Language\LanguageManagerInterface
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77 */
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78 protected $languageManager;
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79
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80 /**
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81 * The Drupal account to use for checking for access to advanced search.
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82 *
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83 * @var \Drupal\Core\Session\AccountInterface
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84 */
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85 protected $account;
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86
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87 /**
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88 * The Renderer service to format the username and node.
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89 *
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90 * @var \Drupal\Core\Render\RendererInterface
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91 */
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92 protected $renderer;
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93
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94 /**
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95 * An array of additional rankings from hook_ranking().
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96 *
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97 * @var array
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98 */
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99 protected $rankings;
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100
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101 /**
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102 * The list of options and info for advanced search filters.
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103 *
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104 * Each entry in the array has the option as the key and for its value, an
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105 * array that determines how the value is matched in the database query. The
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106 * possible keys in that array are:
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107 * - column: (required) Name of the database column to match against.
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108 * - join: (optional) Information on a table to join. By default the data is
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109 * matched against the {node_field_data} table.
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110 * - operator: (optional) OR or AND, defaults to OR.
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111 *
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112 * @var array
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113 */
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114 protected $advanced = [
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115 'type' => ['column' => 'n.type'],
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116 'language' => ['column' => 'i.langcode'],
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117 'author' => ['column' => 'n.uid'],
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118 'term' => ['column' => 'ti.tid', 'join' => ['table' => 'taxonomy_index', 'alias' => 'ti', 'condition' => 'n.nid = ti.nid']],
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119 ];
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120
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121 /**
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122 * A constant for setting and checking the query string.
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123 */
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124 const ADVANCED_FORM = 'advanced-form';
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125
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126 /**
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127 * The messenger.
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128 *
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129 * @var \Drupal\Core\Messenger\MessengerInterface
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130 */
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131 protected $messenger;
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132
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133 /**
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134 * {@inheritdoc}
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135 */
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136 public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
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137 return new static(
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138 $configuration,
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139 $plugin_id,
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140 $plugin_definition,
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141 $container->get('database'),
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142 $container->get('entity.manager'),
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143 $container->get('module_handler'),
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144 $container->get('config.factory')->get('search.settings'),
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145 $container->get('language_manager'),
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146 $container->get('renderer'),
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147 $container->get('messenger'),
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148 $container->get('current_user'),
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149 $container->get('database.replica')
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150 );
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151 }
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152
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153 /**
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154 * Constructs a \Drupal\node\Plugin\Search\NodeSearch object.
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155 *
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156 * @param array $configuration
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157 * A configuration array containing information about the plugin instance.
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158 * @param string $plugin_id
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159 * The plugin_id for the plugin instance.
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160 * @param mixed $plugin_definition
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161 * The plugin implementation definition.
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162 * @param \Drupal\Core\Database\Connection $database
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163 * The current database connection.
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164 * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
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165 * An entity manager object.
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166 * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
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167 * A module manager object.
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168 * @param \Drupal\Core\Config\Config $search_settings
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169 * A config object for 'search.settings'.
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170 * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
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171 * The language manager.
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172 * @param \Drupal\Core\Render\RendererInterface $renderer
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173 * The renderer.
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174 * @param \Drupal\Core\Messenger\MessengerInterface $messenger
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175 * The messenger.
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176 * @param \Drupal\Core\Session\AccountInterface $account
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177 * The $account object to use for checking for access to advanced search.
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178 * @param \Drupal\Core\Database\Connection|null $database_replica
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179 * (Optional) the replica database connection.
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180 */
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181 public function __construct(array $configuration, $plugin_id, $plugin_definition, Connection $database, EntityManagerInterface $entity_manager, ModuleHandlerInterface $module_handler, Config $search_settings, LanguageManagerInterface $language_manager, RendererInterface $renderer, MessengerInterface $messenger, AccountInterface $account = NULL, Connection $database_replica = NULL) {
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182 $this->database = $database;
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183 $this->databaseReplica = $database_replica ?: $database;
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184 $this->entityManager = $entity_manager;
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185 $this->moduleHandler = $module_handler;
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186 $this->searchSettings = $search_settings;
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187 $this->languageManager = $language_manager;
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188 $this->renderer = $renderer;
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189 $this->messenger = $messenger;
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190 $this->account = $account;
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191 parent::__construct($configuration, $plugin_id, $plugin_definition);
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192
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193 $this->addCacheTags(['node_list']);
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194 }
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195
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196 /**
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197 * {@inheritdoc}
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198 */
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199 public function access($operation = 'view', AccountInterface $account = NULL, $return_as_object = FALSE) {
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200 $result = AccessResult::allowedIfHasPermission($account, 'access content');
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201 return $return_as_object ? $result : $result->isAllowed();
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202 }
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203
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204 /**
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205 * {@inheritdoc}
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206 */
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207 public function isSearchExecutable() {
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208 // Node search is executable if we have keywords or an advanced parameter.
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209 // At least, we should parse out the parameters and see if there are any
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210 // keyword matches in that case, rather than just printing out the
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211 // "Please enter keywords" message.
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212 return !empty($this->keywords) || (isset($this->searchParameters['f']) && count($this->searchParameters['f']));
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213 }
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214
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215 /**
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216 * {@inheritdoc}
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217 */
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218 public function getType() {
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219 return $this->getPluginId();
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220 }
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221
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222 /**
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223 * {@inheritdoc}
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224 */
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225 public function execute() {
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226 if ($this->isSearchExecutable()) {
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227 $results = $this->findResults();
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228
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229 if ($results) {
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230 return $this->prepareResults($results);
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231 }
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232 }
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233
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234 return [];
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235 }
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236
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237 /**
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238 * Queries to find search results, and sets status messages.
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239 *
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240 * This method can assume that $this->isSearchExecutable() has already been
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241 * checked and returned TRUE.
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242 *
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243 * @return \Drupal\Core\Database\StatementInterface|null
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244 * Results from search query execute() method, or NULL if the search
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245 * failed.
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246 */
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247 protected function findResults() {
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248 $keys = $this->keywords;
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249
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250 // Build matching conditions.
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251 $query = $this->databaseReplica
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252 ->select('search_index', 'i')
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253 ->extend('Drupal\search\SearchQuery')
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254 ->extend('Drupal\Core\Database\Query\PagerSelectExtender');
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255 $query->join('node_field_data', 'n', 'n.nid = i.sid AND n.langcode = i.langcode');
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256 $query->condition('n.status', 1)
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257 ->addTag('node_access')
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258 ->searchExpression($keys, $this->getPluginId());
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259
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260 // Handle advanced search filters in the f query string.
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261 // \Drupal::request()->query->get('f') is an array that looks like this in
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262 // the URL: ?f[]=type:page&f[]=term:27&f[]=term:13&f[]=langcode:en
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263 // So $parameters['f'] looks like:
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264 // array('type:page', 'term:27', 'term:13', 'langcode:en');
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265 // We need to parse this out into query conditions, some of which go into
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266 // the keywords string, and some of which are separate conditions.
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267 $parameters = $this->getParameters();
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268 if (!empty($parameters['f']) && is_array($parameters['f'])) {
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269 $filters = [];
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270 // Match any query value that is an expected option and a value
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271 // separated by ':' like 'term:27'.
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272 $pattern = '/^(' . implode('|', array_keys($this->advanced)) . '):([^ ]*)/i';
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273 foreach ($parameters['f'] as $item) {
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274 if (preg_match($pattern, $item, $m)) {
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275 // Use the matched value as the array key to eliminate duplicates.
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276 $filters[$m[1]][$m[2]] = $m[2];
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277 }
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278 }
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279
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280 // Now turn these into query conditions. This assumes that everything in
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281 // $filters is a known type of advanced search.
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282 foreach ($filters as $option => $matched) {
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283 $info = $this->advanced[$option];
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284 // Insert additional conditions. By default, all use the OR operator.
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285 $operator = empty($info['operator']) ? 'OR' : $info['operator'];
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286 $where = new Condition($operator);
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287 foreach ($matched as $value) {
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288 $where->condition($info['column'], $value);
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289 }
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290 $query->condition($where);
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291 if (!empty($info['join'])) {
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292 $query->join($info['join']['table'], $info['join']['alias'], $info['join']['condition']);
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293 }
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294 }
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295 }
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296
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297 // Add the ranking expressions.
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298 $this->addNodeRankings($query);
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299
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300 // Run the query.
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301 $find = $query
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302 // Add the language code of the indexed item to the result of the query,
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303 // since the node will be rendered using the respective language.
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304 ->fields('i', ['langcode'])
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305 // And since SearchQuery makes these into GROUP BY queries, if we add
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306 // a field, for PostgreSQL we also need to make it an aggregate or a
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307 // GROUP BY. In this case, we want GROUP BY.
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308 ->groupBy('i.langcode')
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309 ->limit(10)
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310 ->execute();
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311
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312 // Check query status and set messages if needed.
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313 $status = $query->getStatus();
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314
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315 if ($status & SearchQuery::EXPRESSIONS_IGNORED) {
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316 $this->messenger->addWarning($this->t('Your search used too many AND/OR expressions. Only the first @count terms were included in this search.', ['@count' => $this->searchSettings->get('and_or_limit')]));
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317 }
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318
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319 if ($status & SearchQuery::LOWER_CASE_OR) {
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320 $this->messenger->addWarning($this->t('Search for either of the two terms with uppercase <strong>OR</strong>. For example, <strong>cats OR dogs</strong>.'));
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321 }
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322
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323 if ($status & SearchQuery::NO_POSITIVE_KEYWORDS) {
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324 $this->messenger->addWarning($this->formatPlural($this->searchSettings->get('index.minimum_word_size'), 'You must include at least one keyword to match in the content, and punctuation is ignored.', 'You must include at least one keyword to match in the content. Keywords must be at least @count characters, and punctuation is ignored.'));
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325 }
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326
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327 return $find;
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328 }
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329
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330 /**
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331 * Prepares search results for rendering.
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332 *
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333 * @param \Drupal\Core\Database\StatementInterface $found
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334 * Results found from a successful search query execute() method.
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335 *
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336 * @return array
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337 * Array of search result item render arrays (empty array if no results).
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338 */
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339 protected function prepareResults(StatementInterface $found) {
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340 $results = [];
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341
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342 $node_storage = $this->entityManager->getStorage('node');
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343 $node_render = $this->entityManager->getViewBuilder('node');
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344 $keys = $this->keywords;
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345
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346 foreach ($found as $item) {
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347 // Render the node.
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348 /** @var \Drupal\node\NodeInterface $node */
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349 $node = $node_storage->load($item->sid)->getTranslation($item->langcode);
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350 $build = $node_render->view($node, 'search_result', $item->langcode);
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351
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352 /** @var \Drupal\node\NodeTypeInterface $type*/
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353 $type = $this->entityManager->getStorage('node_type')->load($node->bundle());
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354
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355 unset($build['#theme']);
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356 $build['#pre_render'][] = [$this, 'removeSubmittedInfo'];
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357
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358 // Fetch comments for snippet.
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359 $rendered = $this->renderer->renderPlain($build);
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360 $this->addCacheableDependency(CacheableMetadata::createFromRenderArray($build));
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361 $rendered .= ' ' . $this->moduleHandler->invoke('comment', 'node_update_index', [$node]);
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362
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363 $extra = $this->moduleHandler->invokeAll('node_search_result', [$node]);
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364
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365 $username = [
|
Chris@0
|
366 '#theme' => 'username',
|
Chris@0
|
367 '#account' => $node->getOwner(),
|
Chris@0
|
368 ];
|
Chris@0
|
369
|
Chris@0
|
370 $result = [
|
Chris@18
|
371 'link' => $node->toUrl('canonical', ['absolute' => TRUE])->toString(),
|
Chris@0
|
372 'type' => $type->label(),
|
Chris@0
|
373 'title' => $node->label(),
|
Chris@0
|
374 'node' => $node,
|
Chris@0
|
375 'extra' => $extra,
|
Chris@0
|
376 'score' => $item->calculated_score,
|
Chris@0
|
377 'snippet' => search_excerpt($keys, $rendered, $item->langcode),
|
Chris@0
|
378 'langcode' => $node->language()->getId(),
|
Chris@0
|
379 ];
|
Chris@0
|
380
|
Chris@0
|
381 $this->addCacheableDependency($node);
|
Chris@0
|
382
|
Chris@0
|
383 // We have to separately add the node owner's cache tags because search
|
Chris@0
|
384 // module doesn't use the rendering system, it does its own rendering
|
Chris@0
|
385 // without taking cacheability metadata into account. So we have to do it
|
Chris@0
|
386 // explicitly here.
|
Chris@0
|
387 $this->addCacheableDependency($node->getOwner());
|
Chris@0
|
388
|
Chris@0
|
389 if ($type->displaySubmitted()) {
|
Chris@0
|
390 $result += [
|
Chris@0
|
391 'user' => $this->renderer->renderPlain($username),
|
Chris@0
|
392 'date' => $node->getChangedTime(),
|
Chris@0
|
393 ];
|
Chris@0
|
394 }
|
Chris@0
|
395
|
Chris@0
|
396 $results[] = $result;
|
Chris@0
|
397
|
Chris@0
|
398 }
|
Chris@0
|
399 return $results;
|
Chris@0
|
400 }
|
Chris@0
|
401
|
Chris@0
|
402 /**
|
Chris@0
|
403 * Removes the submitted by information from the build array.
|
Chris@0
|
404 *
|
Chris@0
|
405 * This information is being removed from the rendered node that is used to
|
Chris@0
|
406 * build the search result snippet. It just doesn't make sense to have it
|
Chris@0
|
407 * displayed in the snippet.
|
Chris@0
|
408 *
|
Chris@0
|
409 * @param array $build
|
Chris@0
|
410 * The build array.
|
Chris@0
|
411 *
|
Chris@0
|
412 * @return array
|
Chris@0
|
413 * The modified build array.
|
Chris@0
|
414 */
|
Chris@0
|
415 public function removeSubmittedInfo(array $build) {
|
Chris@0
|
416 unset($build['created']);
|
Chris@0
|
417 unset($build['uid']);
|
Chris@0
|
418 return $build;
|
Chris@0
|
419 }
|
Chris@0
|
420
|
Chris@0
|
421 /**
|
Chris@0
|
422 * Adds the configured rankings to the search query.
|
Chris@0
|
423 *
|
Chris@0
|
424 * @param $query
|
Chris@0
|
425 * A query object that has been extended with the Search DB Extender.
|
Chris@0
|
426 */
|
Chris@0
|
427 protected function addNodeRankings(SelectExtender $query) {
|
Chris@0
|
428 if ($ranking = $this->getRankings()) {
|
Chris@0
|
429 $tables = &$query->getTables();
|
Chris@0
|
430 foreach ($ranking as $rank => $values) {
|
Chris@0
|
431 if (isset($this->configuration['rankings'][$rank]) && !empty($this->configuration['rankings'][$rank])) {
|
Chris@0
|
432 $node_rank = $this->configuration['rankings'][$rank];
|
Chris@0
|
433 // If the table defined in the ranking isn't already joined, then add it.
|
Chris@0
|
434 if (isset($values['join']) && !isset($tables[$values['join']['alias']])) {
|
Chris@0
|
435 $query->addJoin($values['join']['type'], $values['join']['table'], $values['join']['alias'], $values['join']['on']);
|
Chris@0
|
436 }
|
Chris@0
|
437 $arguments = isset($values['arguments']) ? $values['arguments'] : [];
|
Chris@0
|
438 $query->addScore($values['score'], $arguments, $node_rank);
|
Chris@0
|
439 }
|
Chris@0
|
440 }
|
Chris@0
|
441 }
|
Chris@0
|
442 }
|
Chris@0
|
443
|
Chris@0
|
444 /**
|
Chris@0
|
445 * {@inheritdoc}
|
Chris@0
|
446 */
|
Chris@0
|
447 public function updateIndex() {
|
Chris@0
|
448 // Interpret the cron limit setting as the maximum number of nodes to index
|
Chris@0
|
449 // per cron run.
|
Chris@0
|
450 $limit = (int) $this->searchSettings->get('index.cron_limit');
|
Chris@0
|
451
|
Chris@18
|
452 $query = $this->databaseReplica->select('node', 'n');
|
Chris@0
|
453 $query->addField('n', 'nid');
|
Chris@0
|
454 $query->leftJoin('search_dataset', 'sd', 'sd.sid = n.nid AND sd.type = :type', [':type' => $this->getPluginId()]);
|
Chris@0
|
455 $query->addExpression('CASE MAX(sd.reindex) WHEN NULL THEN 0 ELSE 1 END', 'ex');
|
Chris@0
|
456 $query->addExpression('MAX(sd.reindex)', 'ex2');
|
Chris@0
|
457 $query->condition(
|
Chris@0
|
458 $query->orConditionGroup()
|
Chris@0
|
459 ->where('sd.sid IS NULL')
|
Chris@0
|
460 ->condition('sd.reindex', 0, '<>')
|
Chris@0
|
461 );
|
Chris@0
|
462 $query->orderBy('ex', 'DESC')
|
Chris@0
|
463 ->orderBy('ex2')
|
Chris@0
|
464 ->orderBy('n.nid')
|
Chris@0
|
465 ->groupBy('n.nid')
|
Chris@0
|
466 ->range(0, $limit);
|
Chris@0
|
467
|
Chris@0
|
468 $nids = $query->execute()->fetchCol();
|
Chris@0
|
469 if (!$nids) {
|
Chris@0
|
470 return;
|
Chris@0
|
471 }
|
Chris@0
|
472
|
Chris@0
|
473 $node_storage = $this->entityManager->getStorage('node');
|
Chris@0
|
474 foreach ($node_storage->loadMultiple($nids) as $node) {
|
Chris@0
|
475 $this->indexNode($node);
|
Chris@0
|
476 }
|
Chris@0
|
477 }
|
Chris@0
|
478
|
Chris@0
|
479 /**
|
Chris@0
|
480 * Indexes a single node.
|
Chris@0
|
481 *
|
Chris@0
|
482 * @param \Drupal\node\NodeInterface $node
|
Chris@0
|
483 * The node to index.
|
Chris@0
|
484 */
|
Chris@0
|
485 protected function indexNode(NodeInterface $node) {
|
Chris@0
|
486 $languages = $node->getTranslationLanguages();
|
Chris@0
|
487 $node_render = $this->entityManager->getViewBuilder('node');
|
Chris@0
|
488
|
Chris@0
|
489 foreach ($languages as $language) {
|
Chris@0
|
490 $node = $node->getTranslation($language->getId());
|
Chris@0
|
491 // Render the node.
|
Chris@0
|
492 $build = $node_render->view($node, 'search_index', $language->getId());
|
Chris@0
|
493
|
Chris@0
|
494 unset($build['#theme']);
|
Chris@0
|
495
|
Chris@0
|
496 // Add the title to text so it is searchable.
|
Chris@0
|
497 $build['search_title'] = [
|
Chris@0
|
498 '#prefix' => '<h1>',
|
Chris@0
|
499 '#plain_text' => $node->label(),
|
Chris@0
|
500 '#suffix' => '</h1>',
|
Chris@17
|
501 '#weight' => -1000,
|
Chris@0
|
502 ];
|
Chris@0
|
503 $text = $this->renderer->renderPlain($build);
|
Chris@0
|
504
|
Chris@0
|
505 // Fetch extra data normally not visible.
|
Chris@0
|
506 $extra = $this->moduleHandler->invokeAll('node_update_index', [$node]);
|
Chris@0
|
507 foreach ($extra as $t) {
|
Chris@0
|
508 $text .= $t;
|
Chris@0
|
509 }
|
Chris@0
|
510
|
Chris@0
|
511 // Update index, using search index "type" equal to the plugin ID.
|
Chris@0
|
512 search_index($this->getPluginId(), $node->id(), $language->getId(), $text);
|
Chris@0
|
513 }
|
Chris@0
|
514 }
|
Chris@0
|
515
|
Chris@0
|
516 /**
|
Chris@0
|
517 * {@inheritdoc}
|
Chris@0
|
518 */
|
Chris@0
|
519 public function indexClear() {
|
Chris@0
|
520 // All NodeSearch pages share a common search index "type" equal to
|
Chris@0
|
521 // the plugin ID.
|
Chris@0
|
522 search_index_clear($this->getPluginId());
|
Chris@0
|
523 }
|
Chris@0
|
524
|
Chris@0
|
525 /**
|
Chris@0
|
526 * {@inheritdoc}
|
Chris@0
|
527 */
|
Chris@0
|
528 public function markForReindex() {
|
Chris@0
|
529 // All NodeSearch pages share a common search index "type" equal to
|
Chris@0
|
530 // the plugin ID.
|
Chris@0
|
531 search_mark_for_reindex($this->getPluginId());
|
Chris@0
|
532 }
|
Chris@0
|
533
|
Chris@0
|
534 /**
|
Chris@0
|
535 * {@inheritdoc}
|
Chris@0
|
536 */
|
Chris@0
|
537 public function indexStatus() {
|
Chris@0
|
538 $total = $this->database->query('SELECT COUNT(*) FROM {node}')->fetchField();
|
Chris@0
|
539 $remaining = $this->database->query("SELECT COUNT(DISTINCT n.nid) FROM {node} n LEFT JOIN {search_dataset} sd ON sd.sid = n.nid AND sd.type = :type WHERE sd.sid IS NULL OR sd.reindex <> 0", [':type' => $this->getPluginId()])->fetchField();
|
Chris@0
|
540
|
Chris@0
|
541 return ['remaining' => $remaining, 'total' => $total];
|
Chris@0
|
542 }
|
Chris@0
|
543
|
Chris@0
|
544 /**
|
Chris@0
|
545 * {@inheritdoc}
|
Chris@0
|
546 */
|
Chris@0
|
547 public function searchFormAlter(array &$form, FormStateInterface $form_state) {
|
Chris@0
|
548 $parameters = $this->getParameters();
|
Chris@0
|
549 $keys = $this->getKeywords();
|
Chris@0
|
550 $used_advanced = !empty($parameters[self::ADVANCED_FORM]);
|
Chris@0
|
551 if ($used_advanced) {
|
Chris@0
|
552 $f = isset($parameters['f']) ? (array) $parameters['f'] : [];
|
Chris@0
|
553 $defaults = $this->parseAdvancedDefaults($f, $keys);
|
Chris@0
|
554 }
|
Chris@0
|
555 else {
|
Chris@0
|
556 $defaults = ['keys' => $keys];
|
Chris@0
|
557 }
|
Chris@0
|
558
|
Chris@0
|
559 $form['basic']['keys']['#default_value'] = $defaults['keys'];
|
Chris@0
|
560
|
Chris@0
|
561 // Add advanced search keyword-related boxes.
|
Chris@0
|
562 $form['advanced'] = [
|
Chris@0
|
563 '#type' => 'details',
|
Chris@0
|
564 '#title' => t('Advanced search'),
|
Chris@0
|
565 '#attributes' => ['class' => ['search-advanced']],
|
Chris@0
|
566 '#access' => $this->account && $this->account->hasPermission('use advanced search'),
|
Chris@0
|
567 '#open' => $used_advanced,
|
Chris@0
|
568 ];
|
Chris@0
|
569 $form['advanced']['keywords-fieldset'] = [
|
Chris@0
|
570 '#type' => 'fieldset',
|
Chris@0
|
571 '#title' => t('Keywords'),
|
Chris@0
|
572 ];
|
Chris@0
|
573
|
Chris@0
|
574 $form['advanced']['keywords'] = [
|
Chris@0
|
575 '#prefix' => '<div class="criterion">',
|
Chris@0
|
576 '#suffix' => '</div>',
|
Chris@0
|
577 ];
|
Chris@0
|
578
|
Chris@0
|
579 $form['advanced']['keywords-fieldset']['keywords']['or'] = [
|
Chris@0
|
580 '#type' => 'textfield',
|
Chris@0
|
581 '#title' => t('Containing any of the words'),
|
Chris@0
|
582 '#size' => 30,
|
Chris@0
|
583 '#maxlength' => 255,
|
Chris@0
|
584 '#default_value' => isset($defaults['or']) ? $defaults['or'] : '',
|
Chris@0
|
585 ];
|
Chris@0
|
586
|
Chris@0
|
587 $form['advanced']['keywords-fieldset']['keywords']['phrase'] = [
|
Chris@0
|
588 '#type' => 'textfield',
|
Chris@0
|
589 '#title' => t('Containing the phrase'),
|
Chris@0
|
590 '#size' => 30,
|
Chris@0
|
591 '#maxlength' => 255,
|
Chris@0
|
592 '#default_value' => isset($defaults['phrase']) ? $defaults['phrase'] : '',
|
Chris@0
|
593 ];
|
Chris@0
|
594
|
Chris@0
|
595 $form['advanced']['keywords-fieldset']['keywords']['negative'] = [
|
Chris@0
|
596 '#type' => 'textfield',
|
Chris@0
|
597 '#title' => t('Containing none of the words'),
|
Chris@0
|
598 '#size' => 30,
|
Chris@0
|
599 '#maxlength' => 255,
|
Chris@0
|
600 '#default_value' => isset($defaults['negative']) ? $defaults['negative'] : '',
|
Chris@0
|
601 ];
|
Chris@0
|
602
|
Chris@0
|
603 // Add node types.
|
Chris@0
|
604 $types = array_map(['\Drupal\Component\Utility\Html', 'escape'], node_type_get_names());
|
Chris@0
|
605 $form['advanced']['types-fieldset'] = [
|
Chris@0
|
606 '#type' => 'fieldset',
|
Chris@0
|
607 '#title' => t('Types'),
|
Chris@0
|
608 ];
|
Chris@0
|
609 $form['advanced']['types-fieldset']['type'] = [
|
Chris@0
|
610 '#type' => 'checkboxes',
|
Chris@0
|
611 '#title' => t('Only of the type(s)'),
|
Chris@0
|
612 '#prefix' => '<div class="criterion">',
|
Chris@0
|
613 '#suffix' => '</div>',
|
Chris@0
|
614 '#options' => $types,
|
Chris@0
|
615 '#default_value' => isset($defaults['type']) ? $defaults['type'] : [],
|
Chris@0
|
616 ];
|
Chris@0
|
617
|
Chris@0
|
618 $form['advanced']['submit'] = [
|
Chris@0
|
619 '#type' => 'submit',
|
Chris@0
|
620 '#value' => t('Advanced search'),
|
Chris@0
|
621 '#prefix' => '<div class="action">',
|
Chris@0
|
622 '#suffix' => '</div>',
|
Chris@0
|
623 '#weight' => 100,
|
Chris@0
|
624 ];
|
Chris@0
|
625
|
Chris@0
|
626 // Add languages.
|
Chris@0
|
627 $language_options = [];
|
Chris@0
|
628 $language_list = $this->languageManager->getLanguages(LanguageInterface::STATE_ALL);
|
Chris@0
|
629 foreach ($language_list as $langcode => $language) {
|
Chris@0
|
630 // Make locked languages appear special in the list.
|
Chris@0
|
631 $language_options[$langcode] = $language->isLocked() ? t('- @name -', ['@name' => $language->getName()]) : $language->getName();
|
Chris@0
|
632 }
|
Chris@0
|
633 if (count($language_options) > 1) {
|
Chris@0
|
634 $form['advanced']['lang-fieldset'] = [
|
Chris@0
|
635 '#type' => 'fieldset',
|
Chris@0
|
636 '#title' => t('Languages'),
|
Chris@0
|
637 ];
|
Chris@0
|
638 $form['advanced']['lang-fieldset']['language'] = [
|
Chris@0
|
639 '#type' => 'checkboxes',
|
Chris@0
|
640 '#title' => t('Languages'),
|
Chris@0
|
641 '#prefix' => '<div class="criterion">',
|
Chris@0
|
642 '#suffix' => '</div>',
|
Chris@0
|
643 '#options' => $language_options,
|
Chris@0
|
644 '#default_value' => isset($defaults['language']) ? $defaults['language'] : [],
|
Chris@0
|
645 ];
|
Chris@0
|
646 }
|
Chris@0
|
647 }
|
Chris@0
|
648
|
Chris@0
|
649 /**
|
Chris@0
|
650 * {@inheritdoc}
|
Chris@0
|
651 */
|
Chris@0
|
652 public function buildSearchUrlQuery(FormStateInterface $form_state) {
|
Chris@0
|
653 // Read keyword and advanced search information from the form values,
|
Chris@0
|
654 // and put these into the GET parameters.
|
Chris@0
|
655 $keys = trim($form_state->getValue('keys'));
|
Chris@0
|
656 $advanced = FALSE;
|
Chris@0
|
657
|
Chris@0
|
658 // Collect extra filters.
|
Chris@0
|
659 $filters = [];
|
Chris@0
|
660 if ($form_state->hasValue('type') && is_array($form_state->getValue('type'))) {
|
Chris@0
|
661 // Retrieve selected types - Form API sets the value of unselected
|
Chris@0
|
662 // checkboxes to 0.
|
Chris@0
|
663 foreach ($form_state->getValue('type') as $type) {
|
Chris@0
|
664 if ($type) {
|
Chris@0
|
665 $advanced = TRUE;
|
Chris@0
|
666 $filters[] = 'type:' . $type;
|
Chris@0
|
667 }
|
Chris@0
|
668 }
|
Chris@0
|
669 }
|
Chris@0
|
670
|
Chris@0
|
671 if ($form_state->hasValue('term') && is_array($form_state->getValue('term'))) {
|
Chris@0
|
672 foreach ($form_state->getValue('term') as $term) {
|
Chris@0
|
673 $filters[] = 'term:' . $term;
|
Chris@0
|
674 $advanced = TRUE;
|
Chris@0
|
675 }
|
Chris@0
|
676 }
|
Chris@0
|
677 if ($form_state->hasValue('language') && is_array($form_state->getValue('language'))) {
|
Chris@0
|
678 foreach ($form_state->getValue('language') as $language) {
|
Chris@0
|
679 if ($language) {
|
Chris@0
|
680 $advanced = TRUE;
|
Chris@0
|
681 $filters[] = 'language:' . $language;
|
Chris@0
|
682 }
|
Chris@0
|
683 }
|
Chris@0
|
684 }
|
Chris@0
|
685 if ($form_state->getValue('or') != '') {
|
Chris@0
|
686 if (preg_match_all('/ ("[^"]+"|[^" ]+)/i', ' ' . $form_state->getValue('or'), $matches)) {
|
Chris@0
|
687 $keys .= ' ' . implode(' OR ', $matches[1]);
|
Chris@0
|
688 $advanced = TRUE;
|
Chris@0
|
689 }
|
Chris@0
|
690 }
|
Chris@0
|
691 if ($form_state->getValue('negative') != '') {
|
Chris@0
|
692 if (preg_match_all('/ ("[^"]+"|[^" ]+)/i', ' ' . $form_state->getValue('negative'), $matches)) {
|
Chris@0
|
693 $keys .= ' -' . implode(' -', $matches[1]);
|
Chris@0
|
694 $advanced = TRUE;
|
Chris@0
|
695 }
|
Chris@0
|
696 }
|
Chris@0
|
697 if ($form_state->getValue('phrase') != '') {
|
Chris@0
|
698 $keys .= ' "' . str_replace('"', ' ', $form_state->getValue('phrase')) . '"';
|
Chris@0
|
699 $advanced = TRUE;
|
Chris@0
|
700 }
|
Chris@0
|
701 $keys = trim($keys);
|
Chris@0
|
702
|
Chris@0
|
703 // Put the keywords and advanced parameters into GET parameters. Make sure
|
Chris@0
|
704 // to put keywords into the query even if it is empty, because the page
|
Chris@0
|
705 // controller uses that to decide it's time to check for search results.
|
Chris@0
|
706 $query = ['keys' => $keys];
|
Chris@0
|
707 if ($filters) {
|
Chris@0
|
708 $query['f'] = $filters;
|
Chris@0
|
709 }
|
Chris@0
|
710 // Record that the person used the advanced search form, if they did.
|
Chris@0
|
711 if ($advanced) {
|
Chris@0
|
712 $query[self::ADVANCED_FORM] = '1';
|
Chris@0
|
713 }
|
Chris@0
|
714
|
Chris@0
|
715 return $query;
|
Chris@0
|
716 }
|
Chris@0
|
717
|
Chris@0
|
718 /**
|
Chris@0
|
719 * Parses the advanced search form default values.
|
Chris@0
|
720 *
|
Chris@0
|
721 * @param array $f
|
Chris@0
|
722 * The 'f' query parameter set up in self::buildUrlSearchQuery(), which
|
Chris@0
|
723 * contains the advanced query values.
|
Chris@0
|
724 * @param string $keys
|
Chris@0
|
725 * The search keywords string, which contains some information from the
|
Chris@0
|
726 * advanced search form.
|
Chris@0
|
727 *
|
Chris@0
|
728 * @return array
|
Chris@0
|
729 * Array of default form values for the advanced search form, including
|
Chris@0
|
730 * a modified 'keys' element for the bare search keywords.
|
Chris@0
|
731 */
|
Chris@0
|
732 protected function parseAdvancedDefaults($f, $keys) {
|
Chris@0
|
733 $defaults = [];
|
Chris@0
|
734
|
Chris@0
|
735 // Split out the advanced search parameters.
|
Chris@0
|
736 foreach ($f as $advanced) {
|
Chris@0
|
737 list($key, $value) = explode(':', $advanced, 2);
|
Chris@0
|
738 if (!isset($defaults[$key])) {
|
Chris@0
|
739 $defaults[$key] = [];
|
Chris@0
|
740 }
|
Chris@0
|
741 $defaults[$key][] = $value;
|
Chris@0
|
742 }
|
Chris@0
|
743
|
Chris@0
|
744 // Split out the negative, phrase, and OR parts of keywords.
|
Chris@0
|
745
|
Chris@0
|
746 // For phrases, the form only supports one phrase.
|
Chris@0
|
747 $matches = [];
|
Chris@0
|
748 $keys = ' ' . $keys . ' ';
|
Chris@0
|
749 if (preg_match('/ "([^"]+)" /', $keys, $matches)) {
|
Chris@0
|
750 $keys = str_replace($matches[0], ' ', $keys);
|
Chris@0
|
751 $defaults['phrase'] = $matches[1];
|
Chris@0
|
752 }
|
Chris@0
|
753
|
Chris@0
|
754 // Negative keywords: pull all of them out.
|
Chris@0
|
755 if (preg_match_all('/ -([^ ]+)/', $keys, $matches)) {
|
Chris@0
|
756 $keys = str_replace($matches[0], ' ', $keys);
|
Chris@0
|
757 $defaults['negative'] = implode(' ', $matches[1]);
|
Chris@0
|
758 }
|
Chris@0
|
759
|
Chris@0
|
760 // OR keywords: pull up to one set of them out of the query.
|
Chris@0
|
761 if (preg_match('/ [^ ]+( OR [^ ]+)+ /', $keys, $matches)) {
|
Chris@0
|
762 $keys = str_replace($matches[0], ' ', $keys);
|
Chris@0
|
763 $words = explode(' OR ', trim($matches[0]));
|
Chris@0
|
764 $defaults['or'] = implode(' ', $words);
|
Chris@0
|
765 }
|
Chris@0
|
766
|
Chris@0
|
767 // Put remaining keywords string back into keywords.
|
Chris@0
|
768 $defaults['keys'] = trim($keys);
|
Chris@0
|
769
|
Chris@0
|
770 return $defaults;
|
Chris@0
|
771 }
|
Chris@0
|
772
|
Chris@0
|
773 /**
|
Chris@0
|
774 * Gathers ranking definitions from hook_ranking().
|
Chris@0
|
775 *
|
Chris@0
|
776 * @return array
|
Chris@0
|
777 * An array of ranking definitions.
|
Chris@0
|
778 */
|
Chris@0
|
779 protected function getRankings() {
|
Chris@0
|
780 if (!$this->rankings) {
|
Chris@0
|
781 $this->rankings = $this->moduleHandler->invokeAll('ranking');
|
Chris@0
|
782 }
|
Chris@0
|
783 return $this->rankings;
|
Chris@0
|
784 }
|
Chris@0
|
785
|
Chris@0
|
786 /**
|
Chris@0
|
787 * {@inheritdoc}
|
Chris@0
|
788 */
|
Chris@0
|
789 public function defaultConfiguration() {
|
Chris@0
|
790 $configuration = [
|
Chris@0
|
791 'rankings' => [],
|
Chris@0
|
792 ];
|
Chris@0
|
793 return $configuration;
|
Chris@0
|
794 }
|
Chris@0
|
795
|
Chris@0
|
796 /**
|
Chris@0
|
797 * {@inheritdoc}
|
Chris@0
|
798 */
|
Chris@0
|
799 public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
|
Chris@0
|
800 // Output form for defining rank factor weights.
|
Chris@0
|
801 $form['content_ranking'] = [
|
Chris@0
|
802 '#type' => 'details',
|
Chris@0
|
803 '#title' => t('Content ranking'),
|
Chris@0
|
804 '#open' => TRUE,
|
Chris@0
|
805 ];
|
Chris@0
|
806 $form['content_ranking']['info'] = [
|
Chris@17
|
807 '#markup' => '<p><em>' . $this->t('Influence is a numeric multiplier used in ordering search results. A higher number means the corresponding factor has more influence on search results; zero means the factor is ignored. Changing these numbers does not require the search index to be rebuilt. Changes take effect immediately.') . '</em></p>',
|
Chris@0
|
808 ];
|
Chris@0
|
809 // Prepare table.
|
Chris@0
|
810 $header = [$this->t('Factor'), $this->t('Influence')];
|
Chris@0
|
811 $form['content_ranking']['rankings'] = [
|
Chris@0
|
812 '#type' => 'table',
|
Chris@0
|
813 '#header' => $header,
|
Chris@0
|
814 ];
|
Chris@0
|
815
|
Chris@0
|
816 // Note: reversed to reflect that higher number = higher ranking.
|
Chris@0
|
817 $range = range(0, 10);
|
Chris@0
|
818 $options = array_combine($range, $range);
|
Chris@0
|
819 foreach ($this->getRankings() as $var => $values) {
|
Chris@0
|
820 $form['content_ranking']['rankings'][$var]['name'] = [
|
Chris@0
|
821 '#markup' => $values['title'],
|
Chris@0
|
822 ];
|
Chris@0
|
823 $form['content_ranking']['rankings'][$var]['value'] = [
|
Chris@0
|
824 '#type' => 'select',
|
Chris@0
|
825 '#options' => $options,
|
Chris@0
|
826 '#attributes' => ['aria-label' => $this->t("Influence of '@title'", ['@title' => $values['title']])],
|
Chris@0
|
827 '#default_value' => isset($this->configuration['rankings'][$var]) ? $this->configuration['rankings'][$var] : 0,
|
Chris@0
|
828 ];
|
Chris@0
|
829 }
|
Chris@0
|
830 return $form;
|
Chris@0
|
831 }
|
Chris@0
|
832
|
Chris@0
|
833 /**
|
Chris@0
|
834 * {@inheritdoc}
|
Chris@0
|
835 */
|
Chris@0
|
836 public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
|
Chris@0
|
837 foreach ($this->getRankings() as $var => $values) {
|
Chris@0
|
838 if (!$form_state->isValueEmpty(['rankings', $var, 'value'])) {
|
Chris@0
|
839 $this->configuration['rankings'][$var] = $form_state->getValue(['rankings', $var, 'value']);
|
Chris@0
|
840 }
|
Chris@0
|
841 else {
|
Chris@0
|
842 unset($this->configuration['rankings'][$var]);
|
Chris@0
|
843 }
|
Chris@0
|
844 }
|
Chris@0
|
845 }
|
Chris@0
|
846
|
Chris@0
|
847 }
|