/**
* @param $results
* @param $content
*
* @return null Null in case of failure.
*/
function wl_embed_entities($results, $content)
{
// Prepare the regex pattern.
$pattern = '/<span class="textannotation" id="([^"]+)"[^>]*>([^<]+)<\\/span>/im';
// This var will contain the output matches.
$matches = array();
// Return null if no match found.
if (false === preg_match_all($pattern, $content, $matches, PREG_SET_ORDER)) {
return null;
}
// For each match, embed the related entity.
foreach ($matches as $match) {
$full = $match[0];
$id = $match[1];
$text = $match[2];
// echo "[ id :: $id ][ text :: $text ]\n";
$text_annotation = $results['text_annotations'][$id];
$entities = $text_annotation['entities'];
// echo "[ text annotation :: " . $text_annotation['id'] . "][ entities count :: " . count( $entities ) . " ]\n";
$entity_annotation = wl_get_entity_annotation_best_match($entities);
// Get the entity, its ID and type.
$entity = $entity_annotation['entity'];
$entity_id = $entity->{'@id'};
$entity_type = wl_get_entity_type($entity);
$entity_class = $entity_type['class'];
$entity_type_uri = $entity_type['uri'];
// Create the new span with the entity reference.
$replace = '<span class="textannotation ' . $entity_class . '" ' . 'id="' . $id . '" ' . 'itemid="' . $entity_id . '" ' . 'itemscope="itemscope" ' . 'itemtype="' . $entity_type_uri . '">' . '<span itemprop="name">' . htmlentities($text) . '</span></span>';
$content = str_replace($full, $replace, $content);
// echo "[ id :: $id ]\n";
// echo "[ sel_prefix :: $sel_prefix ]\n";
// echo "[ sel_suffix :: $sel_suffix ]\n";
// echo "[ sel_text :: $sel_text ]\n";
// echo "[ pattern :: $pattern ]\n";
// echo "[ replace :: $replace ]\n";
// echo "[ content length (before) :: " . strlen( $content ) . " ]\n";
// echo "[ entity id :: $entity_id ][ entity type :: $entity_type ]\n";
}
return $content;
}
/**
* Test saving entities passed via a metabox.
*/
function testEntitiesViaArray()
{
// Create a post.
$post_id = $this->createPost();
$this->assertTrue(is_numeric($post_id));
$post = get_post($post_id);
$this->assertNotNull($post);
// Read the entities from the mock-up analysis.
$analysis_results = wl_parse_file(dirname(__FILE__) . '/' . self::FILENAME . '.json');
$this->assertTrue(is_array($analysis_results));
// For each entity get the label, type, description and thumbnails.
$this->assertTrue(isset($analysis_results['entities']));
// Get a reference to the entities.
$text_annotations = $analysis_results['text_annotations'];
$best_entities = array();
foreach ($text_annotations as $id => $text_annotation) {
$entity_annotation = wl_get_entity_annotation_best_match($text_annotation['entities']);
$entity = $entity_annotation['entity'];
$entity_id = $entity->{'@id'};
if (!array_key_exists($entity_id, $best_entities)) {
$best_entities[$entity_id] = $entity;
}
}
// Accumulate the entities in an array.
$entities = array();
foreach ($best_entities as $uri => $entity) {
// Label
if (!isset($entity->{'http://www.w3.org/2000/01/rdf-schema#label'}->{'@value'})) {
var_dump($entity);
}
$this->assertTrue(isset($entity->{'http://www.w3.org/2000/01/rdf-schema#label'}->{'@value'}));
$label = $entity->{'http://www.w3.org/2000/01/rdf-schema#label'}->{'@value'};
$this->assertFalse(empty($label));
// Type
// $type = wl_get_entity_type($entity);
// $this->assertFalse(empty($type));
// Description
$description = wl_get_entity_description($entity);
$this->assertNotNull($description);
// Images
$images = wl_get_entity_thumbnails($entity);
$this->assertTrue(is_array($images));
// Save the entity to the entities array.
$entities = array_merge_recursive($entities, array($uri => array('uri' => $uri, 'label' => $label, 'main_type' => 'http://schema.org/Thing', 'type' => array(), 'description' => $description, 'images' => $images)));
}
// Save the entities in the array.
$entity_posts = wl_save_entities($entities);
// Publish
$entity_post_ids = array_map(function ($item) {
return $item->ID;
}, $entity_posts);
foreach ($entity_post_ids as $entity_id) {
wp_publish_post($entity_id);
}
// TODO: need to bind entities with posts.
wl_core_add_relation_instances($post_id, WL_WHAT_RELATION, $entity_post_ids);
$this->assertCount(sizeof($entity_post_ids), wl_core_get_related_entity_ids($post_id));
// TODO: synchronize data.
// NOTICE: this requires a published post!
wl_linked_data_push_to_redlink($post_id);
// Check that the entities are created in WordPress.
$this->assertCount(count($entities), $entity_posts);
// Check that each entity is bound to the post.
$entity_ids = array();
foreach ($entity_posts as $post) {
// Store the entity IDs for future checks.
array_push($entity_ids, $post->ID);
// Get the related posts IDs.
$rel_posts = wl_core_get_related_post_ids($post->ID);
$this->assertCount(1, $rel_posts);
// The post must be the one the test created.
$this->assertEquals($post_id, $rel_posts[0]);
}
// Check that the post references the entities.
$rel_entities = wl_core_get_related_entity_ids($post_id);
$this->assertEquals(count($entity_ids), count($rel_entities));
foreach ($entity_ids as $id) {
$this->assertTrue(in_array($id, $rel_entities));
}
// Check that the locally saved entities and the remotely saved ones match.
$this->checkEntities($entity_posts);
// Check that the locally saved post data match the ones on Redlink.
$this->checkPost($post_id);
// Check the post references, that they match between local and remote.
$this->checkPostReferences($post_id);
// Delete the post.
$this->deletePost($post_id);
}
