insideout10 / wordlift-plugin

src/includes/rebuild/class-wordlift-rebuild-service.php

Indentation +151 added lines, -151 removed lines

@@ -20,128 +20,128 @@ 
  */
 class Wordlift_Rebuild_Service extends Wordlift_Listable {
 
-	/**
-	 * A {@link Wordlift_Log_Service} instance.
-	 *
-	 * @since  3.6.0
-	 * @access private
-	 * @var \Wordlift_Log_Service $log A {@link Wordlift_Log_Service} instance.
-	 */
-	private $log;
-
-	/**
-	 * A {@link Wordlift_Sparql_Service} instance.
-	 *
-	 * @since  3.6.0
-	 * @access private
-	 * @var \Wordlift_Sparql_Service $sparql_service A {@link Wordlift_Sparql_Service} instance.
-	 */
-	private $sparql_service;
-
-	/**
-	 * The {@link Wordlift_Uri_Service} instance.
-	 *
-	 * @since  3.15.0
-	 * @access private
-	 * @var \Wordlift_Uri_Service $uri_service The {@link Wordlift_Uri_Service} instance.
-	 */
-	private $uri_service;
-
-	/**
-	 * Create an instance of Wordlift_Rebuild_Service.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param \Wordlift_Sparql_Service             $sparql_service A {@link Wordlift_Sparql_Service} instance used to query the remote dataset.
-	 * @param \Wordlift_Uri_Service                $uri_service
-	 */
-	public function __construct( $sparql_service, $uri_service ) {
-
-		$this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Rebuild_Service' );
-
-		$this->sparql_service = $sparql_service;
-		$this->uri_service    = $uri_service;
-	}
-
-	/**
-	 * Rebuild the Linked Data remote dataset by clearing it out and repopulating
-	 * it with local data.
-	 *
-	 * @since 3.6.0
-	 */
-	public function rebuild() {
-
-		ob_clean();
-
-		// Give ourselves some time to process the data.
-		set_time_limit( 21600 ); // 6 hours
-
-		// Send textual output.
-		header( 'Content-type: text/plain; charset=utf-8' );
-
-		// We start at 0 by default and get to max.
-		$offset = $_GET['offset'] ?: 0;
-		$limit  = $_GET['limit'] ?: 1;
-		$max    = $offset + $limit;
-
-		// Whether we should run queries asynchronously, this is handled in `wordlift_constants.php`.
-		$asynchronous = isset( $_GET['wl-async'] ) && 'true' === $_GET['wl-async'];
-
-		// If we're starting at offset 0, then delete existing URIs and data from
-		// the remote dataset.
-		if ( 0 === $offset ) {
-
-			// Clear out all generated URIs, since the dataset URI might have changed
-			// in the process.
-			$this->uri_service->delete_all();
-
-			// Delete all the triples in the remote dataset.
-			$this->sparql_service->execute( 'DELETE { ?s ?p ?o } WHERE { ?s ?p ?o };' );
-
-		}
-
-		// Go through the list of published entities and posts and call the (legacy)
-		// `wl_linked_data_save_post` function for each one. We're using the `process`
-		// function which is provided by the parent `Wordlift_Listable` abstract class
-		// and will cycle through all the posts w/ a very small memory footprint
-		// in order to avoid memory errors.
-
-		$count = 0;
-		$log   = $this->log;
-		$this->process( function ( $post ) use ( &$count, $log ) {
-			$count ++;
-			$log->trace( "Going to save post $count, ID $post->ID..." );
-			wl_linked_data_save_post( $post->ID );
-		}, array(
-			'post_status' => 'publish',
-		), $offset, $max );
-
-		// Redirect to the next chunk.
-		if ( $count == $limit ) {
-			$log->trace( 'Redirecting to post #' . ( $offset + 1 ) . '...' );
-			$this->redirect( admin_url( 'admin-ajax.php?action=wl_rebuild&offset=' . ( $offset + $limit ) . '&limit=' . $limit . '&wl-async=' . ( $asynchronous ? 'true' : 'false' ) ) );
-		}
-
-		// Flush the cache.
-		Wordlift_File_Cache_Service::flush_all();
-
-		// Rebuild also the references.
-		$this->redirect( admin_url( 'admin-ajax.php?action=wl_rebuild_references') );
-	}
-
-	/**
-	 * Redirect using a client-side meta to avoid browsers' redirect restrictions.
-	 *
-	 * @since 3.9.8
-	 *
-	 * @param string $url The URL to redirect to.
-	 */
-	public function redirect( $url ) {
-
-		ob_clean();
-
-		@header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
-		?>
+    /**
+     * A {@link Wordlift_Log_Service} instance.
+     *
+     * @since  3.6.0
+     * @access private
+     * @var \Wordlift_Log_Service $log A {@link Wordlift_Log_Service} instance.
+     */
+    private $log;
+
+    /**
+     * A {@link Wordlift_Sparql_Service} instance.
+     *
+     * @since  3.6.0
+     * @access private
+     * @var \Wordlift_Sparql_Service $sparql_service A {@link Wordlift_Sparql_Service} instance.
+     */
+    private $sparql_service;
+
+    /**
+     * The {@link Wordlift_Uri_Service} instance.
+     *
+     * @since  3.15.0
+     * @access private
+     * @var \Wordlift_Uri_Service $uri_service The {@link Wordlift_Uri_Service} instance.
+     */
+    private $uri_service;
+
+    /**
+     * Create an instance of Wordlift_Rebuild_Service.
+     *
+     * @since 3.6.0
+     *
+     * @param \Wordlift_Sparql_Service             $sparql_service A {@link Wordlift_Sparql_Service} instance used to query the remote dataset.
+     * @param \Wordlift_Uri_Service                $uri_service
+     */
+    public function __construct( $sparql_service, $uri_service ) {
+
+        $this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Rebuild_Service' );
+
+        $this->sparql_service = $sparql_service;
+        $this->uri_service    = $uri_service;
+    }
+
+    /**
+     * Rebuild the Linked Data remote dataset by clearing it out and repopulating
+     * it with local data.
+     *
+     * @since 3.6.0
+     */
+    public function rebuild() {
+
+        ob_clean();
+
+        // Give ourselves some time to process the data.
+        set_time_limit( 21600 ); // 6 hours
+
+        // Send textual output.
+        header( 'Content-type: text/plain; charset=utf-8' );
+
+        // We start at 0 by default and get to max.
+        $offset = $_GET['offset'] ?: 0;
+        $limit  = $_GET['limit'] ?: 1;
+        $max    = $offset + $limit;
+
+        // Whether we should run queries asynchronously, this is handled in `wordlift_constants.php`.
+        $asynchronous = isset( $_GET['wl-async'] ) && 'true' === $_GET['wl-async'];
+
+        // If we're starting at offset 0, then delete existing URIs and data from
+        // the remote dataset.
+        if ( 0 === $offset ) {
+
+            // Clear out all generated URIs, since the dataset URI might have changed
+            // in the process.
+            $this->uri_service->delete_all();
+
+            // Delete all the triples in the remote dataset.
+            $this->sparql_service->execute( 'DELETE { ?s ?p ?o } WHERE { ?s ?p ?o };' );
+
+        }
+
+        // Go through the list of published entities and posts and call the (legacy)
+        // `wl_linked_data_save_post` function for each one. We're using the `process`
+        // function which is provided by the parent `Wordlift_Listable` abstract class
+        // and will cycle through all the posts w/ a very small memory footprint
+        // in order to avoid memory errors.
+
+        $count = 0;
+        $log   = $this->log;
+        $this->process( function ( $post ) use ( &$count, $log ) {
+            $count ++;
+            $log->trace( "Going to save post $count, ID $post->ID..." );
+            wl_linked_data_save_post( $post->ID );
+        }, array(
+            'post_status' => 'publish',
+        ), $offset, $max );
+
+        // Redirect to the next chunk.
+        if ( $count == $limit ) {
+            $log->trace( 'Redirecting to post #' . ( $offset + 1 ) . '...' );
+            $this->redirect( admin_url( 'admin-ajax.php?action=wl_rebuild&offset=' . ( $offset + $limit ) . '&limit=' . $limit . '&wl-async=' . ( $asynchronous ? 'true' : 'false' ) ) );
+        }
+
+        // Flush the cache.
+        Wordlift_File_Cache_Service::flush_all();
+
+        // Rebuild also the references.
+        $this->redirect( admin_url( 'admin-ajax.php?action=wl_rebuild_references') );
+    }
+
+    /**
+     * Redirect using a client-side meta to avoid browsers' redirect restrictions.
+     *
+     * @since 3.9.8
+     *
+     * @param string $url The URL to redirect to.
+     */
+    public function redirect( $url ) {
+
+        ob_clean();
+
+        @header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
+        ?>
 		<html>
 		<head>
 			<meta http-equiv="refresh"
@@ -153,37 +153,37 @@ 
 		</html>
 		<?php
 
-		exit;
+        exit;
 
-	}
+    }
 
-	/**
-	 * List the items starting at the specified offset and up to the specified limit.
-	 *
+    /**
+     * List the items starting at the specified offset and up to the specified limit.
+     *
      * @since 3.19.5 remove Polylang hooks.
-	 * @since 3.6.0
-	 *
-	 * @param int   $offset The start offset.
-	 * @param int   $limit The maximum number of items to return.
-	 * @param array $args Additional arguments.
-	 *
-	 * @return array A array of items (or an empty array if no items are found).
-	 */
-	function find( $offset = 0, $limit = 10, $args = array() ) {
-
-		$actual_args = wp_parse_args( $args, Wordlift_Entity_Service::add_criterias( array(
-			'offset'        => $offset,
-			'numberposts'   => $limit,
-			'fields'        => 'all',
-			'orderby'       => 'ID',
-			'order'         => 'ASC',
-			'post_status'   => 'any',
-			'cache_results' => false,
-		) ) );
-
-		$this->log->trace( 'Using ' . var_export( $actual_args, true ) );
-
-		return get_posts( $actual_args );
-	}
+     * @since 3.6.0
+     *
+     * @param int   $offset The start offset.
+     * @param int   $limit The maximum number of items to return.
+     * @param array $args Additional arguments.
+     *
+     * @return array A array of items (or an empty array if no items are found).
+     */
+    function find( $offset = 0, $limit = 10, $args = array() ) {
+
+        $actual_args = wp_parse_args( $args, Wordlift_Entity_Service::add_criterias( array(
+            'offset'        => $offset,
+            'numberposts'   => $limit,
+            'fields'        => 'all',
+            'orderby'       => 'ID',
+            'order'         => 'ASC',
+            'post_status'   => 'any',
+            'cache_results' => false,
+        ) ) );
+
+        $this->log->trace( 'Using ' . var_export( $actual_args, true ) );
+
+        return get_posts( $actual_args );
+    }
 
 }

Spacing +24 added lines, -24 removed lines

@@ -55,9 +55,9 @@ 
 	 * @param \Wordlift_Sparql_Service             $sparql_service A {@link Wordlift_Sparql_Service} instance used to query the remote dataset.
 	 * @param \Wordlift_Uri_Service                $uri_service
 	 */
-	public function __construct( $sparql_service, $uri_service ) {
+	public function __construct($sparql_service, $uri_service) {
 
-		$this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Rebuild_Service' );
+		$this->log = Wordlift_Log_Service::get_logger('Wordlift_Rebuild_Service');
 
 		$this->sparql_service = $sparql_service;
 		$this->uri_service    = $uri_service;
@@ -74,10 +74,10 @@ 
 		ob_clean();
 
 		// Give ourselves some time to process the data.
-		set_time_limit( 21600 ); // 6 hours
+		set_time_limit(21600); // 6 hours
 
 		// Send textual output.
-		header( 'Content-type: text/plain; charset=utf-8' );
+		header('Content-type: text/plain; charset=utf-8');
 
 		// We start at 0 by default and get to max.
 		$offset = $_GET['offset'] ?: 0;
@@ -85,18 +85,18 @@ 
 		$max    = $offset + $limit;
 
 		// Whether we should run queries asynchronously, this is handled in `wordlift_constants.php`.
-		$asynchronous = isset( $_GET['wl-async'] ) && 'true' === $_GET['wl-async'];
+		$asynchronous = isset($_GET['wl-async']) && 'true' === $_GET['wl-async'];
 
 		// If we're starting at offset 0, then delete existing URIs and data from
 		// the remote dataset.
-		if ( 0 === $offset ) {
+		if (0 === $offset) {
 
 			// Clear out all generated URIs, since the dataset URI might have changed
 			// in the process.
 			$this->uri_service->delete_all();
 
 			// Delete all the triples in the remote dataset.
-			$this->sparql_service->execute( 'DELETE { ?s ?p ?o } WHERE { ?s ?p ?o };' );
+			$this->sparql_service->execute('DELETE { ?s ?p ?o } WHERE { ?s ?p ?o };');
 
 		}
 
@@ -108,25 +108,25 @@ 
 
 		$count = 0;
 		$log   = $this->log;
-		$this->process( function ( $post ) use ( &$count, $log ) {
-			$count ++;
-			$log->trace( "Going to save post $count, ID $post->ID..." );
-			wl_linked_data_save_post( $post->ID );
+		$this->process(function($post) use (&$count, $log) {
+			$count++;
+			$log->trace("Going to save post $count, ID $post->ID...");
+			wl_linked_data_save_post($post->ID);
 		}, array(
 			'post_status' => 'publish',
-		), $offset, $max );
+		), $offset, $max);
 
 		// Redirect to the next chunk.
-		if ( $count == $limit ) {
-			$log->trace( 'Redirecting to post #' . ( $offset + 1 ) . '...' );
-			$this->redirect( admin_url( 'admin-ajax.php?action=wl_rebuild&offset=' . ( $offset + $limit ) . '&limit=' . $limit . '&wl-async=' . ( $asynchronous ? 'true' : 'false' ) ) );
+		if ($count == $limit) {
+			$log->trace('Redirecting to post #'.($offset + 1).'...');
+			$this->redirect(admin_url('admin-ajax.php?action=wl_rebuild&offset='.($offset + $limit).'&limit='.$limit.'&wl-async='.($asynchronous ? 'true' : 'false')));
 		}
 
 		// Flush the cache.
 		Wordlift_File_Cache_Service::flush_all();
 
 		// Rebuild also the references.
-		$this->redirect( admin_url( 'admin-ajax.php?action=wl_rebuild_references') );
+		$this->redirect(admin_url('admin-ajax.php?action=wl_rebuild_references'));
 	}
 
 	/**
@@ -136,16 +136,16 @@ 
 	 *
 	 * @param string $url The URL to redirect to.
 	 */
-	public function redirect( $url ) {
+	public function redirect($url) {
 
 		ob_clean();
 
-		@header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
+		@header('Content-Type: text/html; charset='.get_option('blog_charset'));
 		?>
 		<html>
 		<head>
 			<meta http-equiv="refresh"
-			      content="0; <?php echo esc_attr( $url ); ?>">
+			      content="0; <?php echo esc_attr($url); ?>">
 		</head>
 		<body>
 		Rebuilding, please wait...
@@ -169,9 +169,9 @@ 
 	 *
 	 * @return array A array of items (or an empty array if no items are found).
 	 */
-	function find( $offset = 0, $limit = 10, $args = array() ) {
+	function find($offset = 0, $limit = 10, $args = array()) {
 
-		$actual_args = wp_parse_args( $args, Wordlift_Entity_Service::add_criterias( array(
+		$actual_args = wp_parse_args($args, Wordlift_Entity_Service::add_criterias(array(
 			'offset'        => $offset,
 			'numberposts'   => $limit,
 			'fields'        => 'all',
@@ -179,11 +179,11 @@ 
 			'order'         => 'ASC',
 			'post_status'   => 'any',
 			'cache_results' => false,
-		) ) );
+		)));
 
-		$this->log->trace( 'Using ' . var_export( $actual_args, true ) );
+		$this->log->trace('Using '.var_export($actual_args, true));
 
-		return get_posts( $actual_args );
+		return get_posts($actual_args);
 	}
 
 }

src/includes/class-wordlift-entity-service.php

Indentation +546 added lines, -546 removed lines

@@ -7,466 +7,466 @@ 
  */
 class Wordlift_Entity_Service {
 
-	/**
-	 * The Log service.
-	 *
-	 * @since  3.2.0
-	 * @access private
-	 * @var \Wordlift_Log_Service $log The Log service.
-	 */
-	private $log;
-
-	/**
-	 * The UI service.
-	 *
-	 * @since  3.2.0
-	 * @access private
-	 * @var \Wordlift_UI_Service $ui_service The UI service.
-	 */
-	private $ui_service;
-
-	/**
-	 * The {@link Wordlift_Relation_Service} instance.
-	 *
-	 * @since  3.15.0
-	 * @access private
-	 * @var \Wordlift_Relation_Service $relation_service The {@link Wordlift_Relation_Service} instance.
-	 */
-	private $relation_service;
-
-	/**
-	 * The {@link Wordlift_Entity_Uri_Service} instance.
-	 *
-	 * @since  3.16.3
-	 * @access private
-	 * @var \Wordlift_Entity_Uri_Service $entity_uri_service The {@link Wordlift_Entity_Uri_Service} instance.
-	 */
-	private $entity_uri_service;
-
-	/**
-	 * The entity post type name.
-	 *
-	 * @since 3.1.0
-	 */
-	const TYPE_NAME = 'entity';
-
-	/**
-	 * The alternative label meta key.
-	 *
-	 * @since 3.2.0
-	 */
-	const ALTERNATIVE_LABEL_META_KEY = '_wl_alt_label';
-
-	/**
-	 * The alternative label input template.
-	 *
-	 * @since 3.2.0
-	 */
-	// TODO: this should be moved to a class that deals with HTML code.
-	const ALTERNATIVE_LABEL_INPUT_TEMPLATE = '<div class="wl-alternative-label">
+    /**
+     * The Log service.
+     *
+     * @since  3.2.0
+     * @access private
+     * @var \Wordlift_Log_Service $log The Log service.
+     */
+    private $log;
+
+    /**
+     * The UI service.
+     *
+     * @since  3.2.0
+     * @access private
+     * @var \Wordlift_UI_Service $ui_service The UI service.
+     */
+    private $ui_service;
+
+    /**
+     * The {@link Wordlift_Relation_Service} instance.
+     *
+     * @since  3.15.0
+     * @access private
+     * @var \Wordlift_Relation_Service $relation_service The {@link Wordlift_Relation_Service} instance.
+     */
+    private $relation_service;
+
+    /**
+     * The {@link Wordlift_Entity_Uri_Service} instance.
+     *
+     * @since  3.16.3
+     * @access private
+     * @var \Wordlift_Entity_Uri_Service $entity_uri_service The {@link Wordlift_Entity_Uri_Service} instance.
+     */
+    private $entity_uri_service;
+
+    /**
+     * The entity post type name.
+     *
+     * @since 3.1.0
+     */
+    const TYPE_NAME = 'entity';
+
+    /**
+     * The alternative label meta key.
+     *
+     * @since 3.2.0
+     */
+    const ALTERNATIVE_LABEL_META_KEY = '_wl_alt_label';
+
+    /**
+     * The alternative label input template.
+     *
+     * @since 3.2.0
+     */
+    // TODO: this should be moved to a class that deals with HTML code.
+    const ALTERNATIVE_LABEL_INPUT_TEMPLATE = '<div class="wl-alternative-label">
                 <label class="screen-reader-text" id="wl-alternative-label-prompt-text" for="wl-alternative-label">Enter alternative label here</label>
                 <input name="wl_alternative_label[]" size="30" value="%s" id="wl-alternative-label" type="text">
                 <button class="button wl-delete-button">%s</button>
                 </div>';
 
-	/**
-	 * A singleton instance of the Entity service.
-	 *
-	 * @since  3.2.0
-	 * @access private
-	 * @var \Wordlift_Entity_Service $instance A singleton instance of the Entity service.
-	 */
-	private static $instance;
-
-	/**
-	 * Create a Wordlift_Entity_Service instance.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param \Wordlift_UI_Service         $ui_service The UI service.
-	 * @param \Wordlift_Relation_Service   $relation_service The {@link Wordlift_Relation_Service} instance.
-	 * @param \Wordlift_Entity_Uri_Service $entity_uri_service The {@link Wordlift_Entity_Uri_Service} instance.
-	 */
-	public function __construct( $ui_service, $relation_service, $entity_uri_service ) {
-
-		$this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Entity_Service' );
-
-		$this->ui_service         = $ui_service;
-		$this->relation_service   = $relation_service;
-		$this->entity_uri_service = $entity_uri_service;
-
-		// Set the singleton instance.
-		self::$instance = $this;
-	}
-
-	/**
-	 * Get the singleton instance of the Entity service.
-	 *
-	 * @since 3.2.0
-	 * @return \Wordlift_Entity_Service The singleton instance of the Entity service.
-	 */
-	public static function get_instance() {
-
-		return self::$instance;
-	}
-
-	/**
-	 * Determines whether a post is an entity or not. Entity is in this context
-	 * something which is not an article.
-	 *
-	 * @since 3.1.0
-	 *
-	 * @param int $post_id A post id.
-	 *
-	 * @return bool Return true if the post is an entity otherwise false.
-	 */
-	public function is_entity( $post_id ) {
-
-		$terms = wp_get_object_terms( $post_id, Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME );
-
-		if ( is_wp_error( $terms ) ) {
-			$this->log->error( "Cannot get the terms for post $post_id: " . $terms->get_error_message() );
-
-			return false;
-		}
-
-		if ( empty( $terms ) ) {
-			return false;
-		}
-
-		/*
+    /**
+     * A singleton instance of the Entity service.
+     *
+     * @since  3.2.0
+     * @access private
+     * @var \Wordlift_Entity_Service $instance A singleton instance of the Entity service.
+     */
+    private static $instance;
+
+    /**
+     * Create a Wordlift_Entity_Service instance.
+     *
+     * @since 3.2.0
+     *
+     * @param \Wordlift_UI_Service         $ui_service The UI service.
+     * @param \Wordlift_Relation_Service   $relation_service The {@link Wordlift_Relation_Service} instance.
+     * @param \Wordlift_Entity_Uri_Service $entity_uri_service The {@link Wordlift_Entity_Uri_Service} instance.
+     */
+    public function __construct( $ui_service, $relation_service, $entity_uri_service ) {
+
+        $this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Entity_Service' );
+
+        $this->ui_service         = $ui_service;
+        $this->relation_service   = $relation_service;
+        $this->entity_uri_service = $entity_uri_service;
+
+        // Set the singleton instance.
+        self::$instance = $this;
+    }
+
+    /**
+     * Get the singleton instance of the Entity service.
+     *
+     * @since 3.2.0
+     * @return \Wordlift_Entity_Service The singleton instance of the Entity service.
+     */
+    public static function get_instance() {
+
+        return self::$instance;
+    }
+
+    /**
+     * Determines whether a post is an entity or not. Entity is in this context
+     * something which is not an article.
+     *
+     * @since 3.1.0
+     *
+     * @param int $post_id A post id.
+     *
+     * @return bool Return true if the post is an entity otherwise false.
+     */
+    public function is_entity( $post_id ) {
+
+        $terms = wp_get_object_terms( $post_id, Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME );
+
+        if ( is_wp_error( $terms ) ) {
+            $this->log->error( "Cannot get the terms for post $post_id: " . $terms->get_error_message() );
+
+            return false;
+        }
+
+        if ( empty( $terms ) ) {
+            return false;
+        }
+
+        /*
 		 * We don't consider an `article` to be an entity.
 		 *
 		 * @since 3.20.0 At least one associated mustn't be an `article`.
 		 *
 		 * @see https://github.com/insideout10/wordlift-plugin/issues/835
 		 */
-		foreach ( $terms as $term ) {
-			if ( 'article' !== $term->slug ) {
-				return true;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * Get the proper classification scope for a given entity post
-	 *
-	 * @since 3.5.0
-	 *
-	 * @param integer $post_id An entity post id.
-	 *
-	 * @param string  $default The default classification scope, `what` if not
-	 *                         provided.
-	 *
-	 * @return string Returns a classification scope (e.g. 'what').
-	 */
-	public function get_classification_scope_for( $post_id, $default = WL_WHAT_RELATION ) {
-
-		if ( false === $this->is_entity( $post_id ) ) {
-			return $default;
-		}
-
-		// Retrieve the entity type
-		$entity_type_arr = Wordlift_Entity_Type_Service::get_instance()->get( $post_id );
-		$entity_type     = str_replace( 'wl-', '', $entity_type_arr['css_class'] );
-		// Retrieve classification boxes configuration
-		$classification_boxes = unserialize( WL_CORE_POST_CLASSIFICATION_BOXES );
-		foreach ( $classification_boxes as $cb ) {
-			if ( in_array( $entity_type, $cb['registeredTypes'] ) ) {
-				return $cb['id'];
-			}
-		}
-
-		return $default;
-	}
-
-	/**
-	 * Check whether a {@link WP_Post} is used.
-	 *
-	 * @param int $post_id The {@link WP_Post}'s id.
-	 *
-	 * @return bool|null Null if it's not an entity, otherwise true if it's used.
-	 */
-	public function is_used( $post_id ) {
-
-		if ( false === $this->is_entity( $post_id ) ) {
-			return null;
-		}
-		// Retrieve the post
-		$entity = get_post( $post_id );
-
-		global $wpdb;
-		// Retrieve Wordlift relation instances table name
-		$table_name = wl_core_get_relation_instances_table_name();
-
-		// Check is it's referenced / related to another post / entity
-		$stmt = $wpdb->prepare(
-			"SELECT COUNT(*) FROM $table_name WHERE  object_id = %d",
-			$entity->ID
-		);
-
-		// Perform the query
-		$relation_instances = (int) $wpdb->get_var( $stmt );
-		// If there is at least one relation instance for the current entity, then it's used
-		if ( 0 < $relation_instances ) {
-			return true;
-		}
-
-		// Check if the entity uri is used as meta_value
-		$stmt = $wpdb->prepare(
-			"SELECT COUNT(*) FROM $wpdb->postmeta WHERE post_id != %d AND meta_value = %s",
-			$entity->ID,
-			wl_get_entity_uri( $entity->ID )
-		);
-		// Perform the query
-		$meta_instances = (int) $wpdb->get_var( $stmt );
-
-		// If there is at least one meta that refers the current entity uri, then current entity is used
-		if ( 0 < $meta_instances ) {
-			return true;
-		}
-
-		// If we are here, it means the current entity is not used at the moment
-		return false;
-	}
-
-	/**
-	 * Find entity posts by the entity URI. Entity as searched by their entity URI or same as.
-	 *
-	 * @since      3.16.3 deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
-	 * @since      3.2.0
-	 *
-	 * @deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
-	 *
-	 * @param string $uri The entity URI.
-	 *
-	 * @return WP_Post|null A WP_Post instance or null if not found.
-	 */
-	public function get_entity_post_by_uri( $uri ) {
-
-		return $this->entity_uri_service->get_entity( $uri );
-	}
-
-	/**
-	 * Fires once a post has been saved. This function uses the $_REQUEST, therefore
-	 * we check that the post we're saving is the current post.
-	 *
-	 * @see   https://github.com/insideout10/wordlift-plugin/issues/363
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param int     $post_id Post ID.
-	 * @param WP_Post $post Post object.
-	 * @param bool    $update Whether this is an existing post being updated or not.
-	 */
-	public function save_post( $post_id, $post, $update ) {
-
-		// Avoid doing anything if post is autosave or a revision.
-		if ( wp_is_post_autosave( $post ) || wp_is_post_revision( $post ) ) {
-			return;
-		}
-
-		// We're setting the alternative label that have been provided via the UI
-		// (in fact we're using $_REQUEST), while save_post may be also called
-		// programmatically by some other function: we need to check therefore if
-		// the $post_id in the save_post call matches the post id set in the request.
-		//
-		// If this is not the current post being saved or if it's not an entity, return.
-		if ( ! isset( $_REQUEST['post_ID'] ) || $_REQUEST['post_ID'] != $post_id || ! $this->is_entity( $post_id ) ) {
-			return;
-		}
-
-		// Get the alt labels from the request (or empty array).
-		$alt_labels = isset( $_REQUEST['wl_alternative_label'] ) ? $_REQUEST['wl_alternative_label'] : array();
-
-		// Set the alternative labels.
-		$this->set_alternative_labels( $post_id, $alt_labels );
-
-	}
-
-	/**
-	 * Set the alternative labels.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param int   $post_id The post id.
-	 * @param array $alt_labels An array of labels.
-	 */
-	public function set_alternative_labels( $post_id, $alt_labels ) {
-
-		// Force $alt_labels to be an array
-		if ( ! is_array( $alt_labels ) ) {
-			$alt_labels = array( $alt_labels );
-		}
-
-		$this->log->debug( "Setting alternative labels [ post id :: $post_id ][ alt labels :: " . implode( ',', $alt_labels ) . " ]" );
-
-		// Delete all the existing alternate labels.
-		delete_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY );
-
-		// Set the alternative labels.
-		foreach ( $alt_labels as $alt_label ) {
-			if ( ! empty( $alt_label ) ) {
-				add_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY, $alt_label );
-			}
-		}
-
-	}
-
-	/**
-	 * Retrieve the alternate labels.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param int $post_id Post id.
-	 *
-	 * @return mixed An array  of alternative labels.
-	 */
-	public function get_alternative_labels( $post_id ) {
-
-		return get_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY );
-	}
-
-	/**
-	 * Retrieve the labels for an entity, i.e. the title + the synonyms.
-	 *
-	 * @since 3.12.0
-	 *
-	 * @param int $post_id The entity {@link WP_Post} id.
-	 *
-	 * @return array An array with the entity title and labels.
-	 */
-	public function get_labels( $post_id ) {
-
-		return array_merge( (array) get_the_title( $post_id ), $this->get_alternative_labels( $post_id ) );
-	}
-
-	/**
-	 * Fires before the permalink field in the edit form (this event is available in WP from 4.1.0).
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param WP_Post $post Post object.
-	 */
-	public function edit_form_before_permalink( $post ) {
-
-		// If it's not an entity, return.
-		if ( ! $this->is_entity( $post->ID ) ) {
-			return;
-		}
-
-		// Print the input template.
-		$this->ui_service->print_template( 'wl-tmpl-alternative-label-input', $this->get_alternative_label_input() );
-
-		// Print all the currently set alternative labels.
-		foreach ( $this->get_alternative_labels( $post->ID ) as $alt_label ) {
-
-			echo $this->get_alternative_label_input( $alt_label );
-
-		};
-
-		// Print the button.
-		$this->ui_service->print_button( 'wl-add-alternative-labels-button', __( 'Add more titles', 'wordlift' ) );
-
-	}
-
-	/**
-	 * Get the URI for the entity with the specified post id.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param int $post_id The entity post id.
-	 *
-	 * @return null|string The entity URI or NULL if not found or the dataset URI is not configured.
-	 */
-	public function get_uri( $post_id ) {
-
-		// If a null is given, nothing to do
-		if ( null == $post_id ) {
-			return null;
-		}
-
-		$uri = get_post_meta( $post_id, WL_ENTITY_URL_META_NAME, true );
-
-		// If the dataset uri is not properly configured, null is returned
-		if ( '' === wl_configuration_get_redlink_dataset_uri() ) {
-			return null;
-		}
-
-		// Set the URI if it isn't set yet.
-		$post_status = get_post_status( $post_id );
-		if ( empty( $uri ) && 'auto-draft' !== $post_status && 'revision' !== $post_status ) {
-			$uri = wl_build_entity_uri( $post_id );
-			wl_set_entity_uri( $post_id, $uri );
-		}
-
-		return $uri;
-	}
-
-
-	/**
-	 * Get the alternative label input HTML code.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param string $value The input value.
-	 *
-	 * @return string The input HTML code.
-	 */
-	private function get_alternative_label_input( $value = '' ) {
-
-		return sprintf( self::ALTERNATIVE_LABEL_INPUT_TEMPLATE, esc_attr( $value ), __( 'Delete', 'wordlift' ) );
-	}
-
-	/**
-	 * Get the number of entity posts published in this blog.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @return int The number of published entity posts.
-	 */
-	public function count() {
-
-		$posts = get_posts( $this->add_criterias( array(
-			'post_status' => 'any',
-			'numberposts' => - 1,
-		) ) );
-
-		return count( $posts );
-	}
-
-	/**
-	 * Add the entity filtering criterias to the arguments for a `get_posts`
-	 * call.
-	 *
-	 * @since 3.15.0
-	 *
-	 * @param array $args The arguments for a `get_posts` call.
-	 *
-	 * @return array The arguments for a `get_posts` call.
-	 */
-	public static function add_criterias( $args ) {
-
-		// Build an optimal tax-query.
-		$tax_query = array(
-			'relation' => 'AND',
-			array(
-				'taxonomy' => Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME,
-				'operator' => 'EXISTS',
-			),
-			array(
-				'taxonomy' => Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME,
-				'field'    => 'slug',
-				'terms'    => 'article',
-				'operator' => 'NOT IN',
-			),
-		);
-
-		return $args + array(
-				'post_type' => Wordlift_Entity_Service::valid_entity_post_types(),
-				/*
+        foreach ( $terms as $term ) {
+            if ( 'article' !== $term->slug ) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Get the proper classification scope for a given entity post
+     *
+     * @since 3.5.0
+     *
+     * @param integer $post_id An entity post id.
+     *
+     * @param string  $default The default classification scope, `what` if not
+     *                         provided.
+     *
+     * @return string Returns a classification scope (e.g. 'what').
+     */
+    public function get_classification_scope_for( $post_id, $default = WL_WHAT_RELATION ) {
+
+        if ( false === $this->is_entity( $post_id ) ) {
+            return $default;
+        }
+
+        // Retrieve the entity type
+        $entity_type_arr = Wordlift_Entity_Type_Service::get_instance()->get( $post_id );
+        $entity_type     = str_replace( 'wl-', '', $entity_type_arr['css_class'] );
+        // Retrieve classification boxes configuration
+        $classification_boxes = unserialize( WL_CORE_POST_CLASSIFICATION_BOXES );
+        foreach ( $classification_boxes as $cb ) {
+            if ( in_array( $entity_type, $cb['registeredTypes'] ) ) {
+                return $cb['id'];
+            }
+        }
+
+        return $default;
+    }
+
+    /**
+     * Check whether a {@link WP_Post} is used.
+     *
+     * @param int $post_id The {@link WP_Post}'s id.
+     *
+     * @return bool|null Null if it's not an entity, otherwise true if it's used.
+     */
+    public function is_used( $post_id ) {
+
+        if ( false === $this->is_entity( $post_id ) ) {
+            return null;
+        }
+        // Retrieve the post
+        $entity = get_post( $post_id );
+
+        global $wpdb;
+        // Retrieve Wordlift relation instances table name
+        $table_name = wl_core_get_relation_instances_table_name();
+
+        // Check is it's referenced / related to another post / entity
+        $stmt = $wpdb->prepare(
+            "SELECT COUNT(*) FROM $table_name WHERE  object_id = %d",
+            $entity->ID
+        );
+
+        // Perform the query
+        $relation_instances = (int) $wpdb->get_var( $stmt );
+        // If there is at least one relation instance for the current entity, then it's used
+        if ( 0 < $relation_instances ) {
+            return true;
+        }
+
+        // Check if the entity uri is used as meta_value
+        $stmt = $wpdb->prepare(
+            "SELECT COUNT(*) FROM $wpdb->postmeta WHERE post_id != %d AND meta_value = %s",
+            $entity->ID,
+            wl_get_entity_uri( $entity->ID )
+        );
+        // Perform the query
+        $meta_instances = (int) $wpdb->get_var( $stmt );
+
+        // If there is at least one meta that refers the current entity uri, then current entity is used
+        if ( 0 < $meta_instances ) {
+            return true;
+        }
+
+        // If we are here, it means the current entity is not used at the moment
+        return false;
+    }
+
+    /**
+     * Find entity posts by the entity URI. Entity as searched by their entity URI or same as.
+     *
+     * @since      3.16.3 deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
+     * @since      3.2.0
+     *
+     * @deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
+     *
+     * @param string $uri The entity URI.
+     *
+     * @return WP_Post|null A WP_Post instance or null if not found.
+     */
+    public function get_entity_post_by_uri( $uri ) {
+
+        return $this->entity_uri_service->get_entity( $uri );
+    }
+
+    /**
+     * Fires once a post has been saved. This function uses the $_REQUEST, therefore
+     * we check that the post we're saving is the current post.
+     *
+     * @see   https://github.com/insideout10/wordlift-plugin/issues/363
+     *
+     * @since 3.2.0
+     *
+     * @param int     $post_id Post ID.
+     * @param WP_Post $post Post object.
+     * @param bool    $update Whether this is an existing post being updated or not.
+     */
+    public function save_post( $post_id, $post, $update ) {
+
+        // Avoid doing anything if post is autosave or a revision.
+        if ( wp_is_post_autosave( $post ) || wp_is_post_revision( $post ) ) {
+            return;
+        }
+
+        // We're setting the alternative label that have been provided via the UI
+        // (in fact we're using $_REQUEST), while save_post may be also called
+        // programmatically by some other function: we need to check therefore if
+        // the $post_id in the save_post call matches the post id set in the request.
+        //
+        // If this is not the current post being saved or if it's not an entity, return.
+        if ( ! isset( $_REQUEST['post_ID'] ) || $_REQUEST['post_ID'] != $post_id || ! $this->is_entity( $post_id ) ) {
+            return;
+        }
+
+        // Get the alt labels from the request (or empty array).
+        $alt_labels = isset( $_REQUEST['wl_alternative_label'] ) ? $_REQUEST['wl_alternative_label'] : array();
+
+        // Set the alternative labels.
+        $this->set_alternative_labels( $post_id, $alt_labels );
+
+    }
+
+    /**
+     * Set the alternative labels.
+     *
+     * @since 3.2.0
+     *
+     * @param int   $post_id The post id.
+     * @param array $alt_labels An array of labels.
+     */
+    public function set_alternative_labels( $post_id, $alt_labels ) {
+
+        // Force $alt_labels to be an array
+        if ( ! is_array( $alt_labels ) ) {
+            $alt_labels = array( $alt_labels );
+        }
+
+        $this->log->debug( "Setting alternative labels [ post id :: $post_id ][ alt labels :: " . implode( ',', $alt_labels ) . " ]" );
+
+        // Delete all the existing alternate labels.
+        delete_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY );
+
+        // Set the alternative labels.
+        foreach ( $alt_labels as $alt_label ) {
+            if ( ! empty( $alt_label ) ) {
+                add_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY, $alt_label );
+            }
+        }
+
+    }
+
+    /**
+     * Retrieve the alternate labels.
+     *
+     * @since 3.2.0
+     *
+     * @param int $post_id Post id.
+     *
+     * @return mixed An array  of alternative labels.
+     */
+    public function get_alternative_labels( $post_id ) {
+
+        return get_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY );
+    }
+
+    /**
+     * Retrieve the labels for an entity, i.e. the title + the synonyms.
+     *
+     * @since 3.12.0
+     *
+     * @param int $post_id The entity {@link WP_Post} id.
+     *
+     * @return array An array with the entity title and labels.
+     */
+    public function get_labels( $post_id ) {
+
+        return array_merge( (array) get_the_title( $post_id ), $this->get_alternative_labels( $post_id ) );
+    }
+
+    /**
+     * Fires before the permalink field in the edit form (this event is available in WP from 4.1.0).
+     *
+     * @since 3.2.0
+     *
+     * @param WP_Post $post Post object.
+     */
+    public function edit_form_before_permalink( $post ) {
+
+        // If it's not an entity, return.
+        if ( ! $this->is_entity( $post->ID ) ) {
+            return;
+        }
+
+        // Print the input template.
+        $this->ui_service->print_template( 'wl-tmpl-alternative-label-input', $this->get_alternative_label_input() );
+
+        // Print all the currently set alternative labels.
+        foreach ( $this->get_alternative_labels( $post->ID ) as $alt_label ) {
+
+            echo $this->get_alternative_label_input( $alt_label );
+
+        };
+
+        // Print the button.
+        $this->ui_service->print_button( 'wl-add-alternative-labels-button', __( 'Add more titles', 'wordlift' ) );
+
+    }
+
+    /**
+     * Get the URI for the entity with the specified post id.
+     *
+     * @since 3.6.0
+     *
+     * @param int $post_id The entity post id.
+     *
+     * @return null|string The entity URI or NULL if not found or the dataset URI is not configured.
+     */
+    public function get_uri( $post_id ) {
+
+        // If a null is given, nothing to do
+        if ( null == $post_id ) {
+            return null;
+        }
+
+        $uri = get_post_meta( $post_id, WL_ENTITY_URL_META_NAME, true );
+
+        // If the dataset uri is not properly configured, null is returned
+        if ( '' === wl_configuration_get_redlink_dataset_uri() ) {
+            return null;
+        }
+
+        // Set the URI if it isn't set yet.
+        $post_status = get_post_status( $post_id );
+        if ( empty( $uri ) && 'auto-draft' !== $post_status && 'revision' !== $post_status ) {
+            $uri = wl_build_entity_uri( $post_id );
+            wl_set_entity_uri( $post_id, $uri );
+        }
+
+        return $uri;
+    }
+
+
+    /**
+     * Get the alternative label input HTML code.
+     *
+     * @since 3.2.0
+     *
+     * @param string $value The input value.
+     *
+     * @return string The input HTML code.
+     */
+    private function get_alternative_label_input( $value = '' ) {
+
+        return sprintf( self::ALTERNATIVE_LABEL_INPUT_TEMPLATE, esc_attr( $value ), __( 'Delete', 'wordlift' ) );
+    }
+
+    /**
+     * Get the number of entity posts published in this blog.
+     *
+     * @since 3.6.0
+     *
+     * @return int The number of published entity posts.
+     */
+    public function count() {
+
+        $posts = get_posts( $this->add_criterias( array(
+            'post_status' => 'any',
+            'numberposts' => - 1,
+        ) ) );
+
+        return count( $posts );
+    }
+
+    /**
+     * Add the entity filtering criterias to the arguments for a `get_posts`
+     * call.
+     *
+     * @since 3.15.0
+     *
+     * @param array $args The arguments for a `get_posts` call.
+     *
+     * @return array The arguments for a `get_posts` call.
+     */
+    public static function add_criterias( $args ) {
+
+        // Build an optimal tax-query.
+        $tax_query = array(
+            'relation' => 'AND',
+            array(
+                'taxonomy' => Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME,
+                'operator' => 'EXISTS',
+            ),
+            array(
+                'taxonomy' => Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME,
+                'field'    => 'slug',
+                'terms'    => 'article',
+                'operator' => 'NOT IN',
+            ),
+        );
+
+        return $args + array(
+                'post_type' => Wordlift_Entity_Service::valid_entity_post_types(),
+                /*
 				 * Ensure compatibility with Polylang.
 				 *
 				 * @see https://github.com/insideout10/wordlift-plugin/issues/855.
@@ -474,102 +474,102 @@ 
 				 *
 				 * @since 3.19.5
 				 */
-				'lang'      => '',
-				'tax_query' => $tax_query,
-			);
-	}
-
-	/**
-	 * Create a new entity.
-	 *
-	 * @since 3.9.0
-	 *
-	 * @param string $name The entity name.
-	 * @param string $type_uri The entity's type URI.
-	 * @param null   $logo The entity logo id (or NULL if none).
-	 * @param string $status The post status, by default 'publish'.
-	 *
-	 * @return int|WP_Error The entity post id or a {@link WP_Error} in case the `wp_insert_post` call fails.
-	 */
-	public function create( $name, $type_uri, $logo = null, $status = 'publish' ) {
-
-		// Create an entity for the publisher.
-		$post_id = wp_insert_post( array(
-			'post_type'    => self::TYPE_NAME,
-			'post_title'   => $name,
-			'post_status'  => $status,
-			'post_content' => '',
-		) );
-
-		// Return the error if any.
-		if ( is_wp_error( $post_id ) ) {
-			return $post_id;
-		}
-
-		// Set the entity logo.
-		if ( $logo && is_numeric( $logo ) ) {
-			set_post_thumbnail( $post_id, $logo );
-		}
-
-		// Set the entity type.
-		Wordlift_Entity_Type_Service::get_instance()->set( $post_id, $type_uri );
-
-		return $post_id;
-	}
-
-	/**
-	 * Get the entities related to the one with the specified id. By default only
-	 * published entities will be returned.
-	 *
-	 * @since 3.10.0
-	 *
-	 * @param int    $id The post id.
-	 * @param string $post_status The target post status (default = publish).
-	 *
-	 * @return array An array of post ids.
-	 */
-	public function get_related_entities( $id, $post_status = 'publish' ) {
-
-		return $this->relation_service->get_objects( $id, 'ids', null, $post_status );
-	}
-
-	/**
-	 * Get the list of entities.
-	 *
-	 * @since 3.12.2
-	 *
-	 * @param array $params Custom parameters for WordPress' own {@link get_posts} function.
-	 *
-	 * @return array An array of entity posts.
-	 */
-	public function get( $params = array() ) {
-
-		// Set the defaults.
-		$defaults = array( 'post_type' => 'entity' );
-
-		// Merge the defaults with the provided parameters.
-		$args = wp_parse_args( $params, $defaults );
-
-		// Call the `get_posts` function.
-		return get_posts( $args );
-	}
-
-	/**
-	 * The list of post type names which can be used for entities
-	 *
-	 * Criteria is that the post type is public. The list of valid post types
-	 * can be overridden with a filter.
-	 *
-	 * @since 3.15.0
-	 *
-	 * @return array Array containing the names of the valid post types.
-	 */
-	static function valid_entity_post_types() {
-
-		// Ignore builtins in the call to avoid getting attachments.
-		$post_types = array( 'post', 'page', self::TYPE_NAME );
-
-		return apply_filters( 'wl_valid_entity_post_types', $post_types );
-	}
+                'lang'      => '',
+                'tax_query' => $tax_query,
+            );
+    }
+
+    /**
+     * Create a new entity.
+     *
+     * @since 3.9.0
+     *
+     * @param string $name The entity name.
+     * @param string $type_uri The entity's type URI.
+     * @param null   $logo The entity logo id (or NULL if none).
+     * @param string $status The post status, by default 'publish'.
+     *
+     * @return int|WP_Error The entity post id or a {@link WP_Error} in case the `wp_insert_post` call fails.
+     */
+    public function create( $name, $type_uri, $logo = null, $status = 'publish' ) {
+
+        // Create an entity for the publisher.
+        $post_id = wp_insert_post( array(
+            'post_type'    => self::TYPE_NAME,
+            'post_title'   => $name,
+            'post_status'  => $status,
+            'post_content' => '',
+        ) );
+
+        // Return the error if any.
+        if ( is_wp_error( $post_id ) ) {
+            return $post_id;
+        }
+
+        // Set the entity logo.
+        if ( $logo && is_numeric( $logo ) ) {
+            set_post_thumbnail( $post_id, $logo );
+        }
+
+        // Set the entity type.
+        Wordlift_Entity_Type_Service::get_instance()->set( $post_id, $type_uri );
+
+        return $post_id;
+    }
+
+    /**
+     * Get the entities related to the one with the specified id. By default only
+     * published entities will be returned.
+     *
+     * @since 3.10.0
+     *
+     * @param int    $id The post id.
+     * @param string $post_status The target post status (default = publish).
+     *
+     * @return array An array of post ids.
+     */
+    public function get_related_entities( $id, $post_status = 'publish' ) {
+
+        return $this->relation_service->get_objects( $id, 'ids', null, $post_status );
+    }
+
+    /**
+     * Get the list of entities.
+     *
+     * @since 3.12.2
+     *
+     * @param array $params Custom parameters for WordPress' own {@link get_posts} function.
+     *
+     * @return array An array of entity posts.
+     */
+    public function get( $params = array() ) {
+
+        // Set the defaults.
+        $defaults = array( 'post_type' => 'entity' );
+
+        // Merge the defaults with the provided parameters.
+        $args = wp_parse_args( $params, $defaults );
+
+        // Call the `get_posts` function.
+        return get_posts( $args );
+    }
+
+    /**
+     * The list of post type names which can be used for entities
+     *
+     * Criteria is that the post type is public. The list of valid post types
+     * can be overridden with a filter.
+     *
+     * @since 3.15.0
+     *
+     * @return array Array containing the names of the valid post types.
+     */
+    static function valid_entity_post_types() {
+
+        // Ignore builtins in the call to avoid getting attachments.
+        $post_types = array( 'post', 'page', self::TYPE_NAME );
+
+        return apply_filters( 'wl_valid_entity_post_types', $post_types );
+    }
 
 }