insideout10 / wordlift-plugin

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

Indentation +567 added lines, -567 removed lines

@@ -21,487 +21,487 @@ 
  */
 class Wordlift_Entity_Service {
 
-	/**
-	 * The Log service.
-	 *
-	 * @since  3.2.0
-	 * @access private
-	 * @var \Wordlift_Log_Service $log The Log service.
-	 */
-	private $log;
-
-	/**
-	 * 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 {@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>';
 
-	/**
-	 * Create a Wordlift_Entity_Service instance.
-	 *
-	 * @throws Exception if the `$content_service` is not of the `Content_Service` type.
-	 * @since 3.2.0
-	 */
-	protected function __construct() {
-		$this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Entity_Service' );
-
-		$this->entity_uri_service = Wordlift_Entity_Uri_Service::get_instance();
-		$this->relation_service   = Wordlift_Relation_Service::get_instance();
-
-	}
-
-	/**
-	 * 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 $instance = null;
-
-	/**
-	 * Get the singleton instance of the Entity service.
-	 *
-	 * @return Wordlift_Entity_Service The singleton instance of the Entity service.
-	 * @since 3.2.0
-	 */
-	public static function get_instance() {
-
-		if ( ! isset( self::$instance ) ) {
-			self::$instance = new self();
-		}
-
-		return self::$instance;
-	}
-
-	/**
-	 * Determines whether a post is an entity or not. Entity is in this context
-	 * something which is not an article.
-	 *
-	 * @param int $post_id A post id.
-	 *
-	 * @return bool Return true if the post is an entity otherwise false.
-	 * @since 3.1.0
-	 *
-	 */
-	public function is_entity( $post_id ) {
-
-		// Improve performance by giving for granted that a product is an entity.
-		if ( 'product' === get_post_type( $post_id ) ) {
-			return true;
-		}
-
-		$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( $terms ) ) {
-			return false;
-		}
-
-		/*
+    /**
+     * Create a Wordlift_Entity_Service instance.
+     *
+     * @throws Exception if the `$content_service` is not of the `Content_Service` type.
+     * @since 3.2.0
+     */
+    protected function __construct() {
+        $this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Entity_Service' );
+
+        $this->entity_uri_service = Wordlift_Entity_Uri_Service::get_instance();
+        $this->relation_service   = Wordlift_Relation_Service::get_instance();
+
+    }
+
+    /**
+     * 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 $instance = null;
+
+    /**
+     * Get the singleton instance of the Entity service.
+     *
+     * @return Wordlift_Entity_Service The singleton instance of the Entity service.
+     * @since 3.2.0
+     */
+    public static function get_instance() {
+
+        if ( ! isset( self::$instance ) ) {
+            self::$instance = new self();
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * Determines whether a post is an entity or not. Entity is in this context
+     * something which is not an article.
+     *
+     * @param int $post_id A post id.
+     *
+     * @return bool Return true if the post is an entity otherwise false.
+     * @since 3.1.0
+     *
+     */
+    public function is_entity( $post_id ) {
+
+        // Improve performance by giving for granted that a product is an entity.
+        if ( 'product' === get_post_type( $post_id ) ) {
+            return true;
+        }
+
+        $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 $term ) {
-			if ( 1 !== preg_match( '~(^|-)article$~', $term->slug ) ) {
-				return true;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * Get the proper classification scope for a given entity post
-	 *
-	 * @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').
-	 * @since 3.5.0
-	 *
-	 */
-	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.
-	 *
-	 * @param string $uri The entity URI.
-	 *
-	 * @return WP_Post|null A WP_Post instance or null if not found.
-	 * @deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
-	 *
-	 * @since      3.16.3 deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
-	 * @since      3.2.0
-	 *
-	 */
-	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'] ) ? (array) $_REQUEST['wl_alternative_label'] : array();
-
-		if ( ( ! empty( $_POST['content'] ) && ! empty( $_POST['post_content'] ) ) || isset( $_REQUEST['wl_alternative_label'] ) ) {
-			// This is via classic editor, so set the alternative labels.
-			$this->set_alternative_labels( $post_id, $alt_labels );
-		}
-
-
-	}
-
-	/**
-	 * Set the alternative labels.
-	 *
-	 * @param int $post_id The post id.
-	 * @param array $alt_labels An array of labels.
-	 *
-	 * @since 3.2.0
-	 *
-	 */
-	public function set_alternative_labels( $post_id, $alt_labels ) {
-
-		// Bail out if post id is not numeric. We add this check as we found a WP install that was sending a WP_Error
-		// instead of post id.
-		if ( ! is_numeric( $post_id ) ) {
-			return;
-		}
-
-		// 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 );
-
-		// Save only unique synonymns.
-		$alt_labels = array_unique( $alt_labels );
-
-		// Set the alternative labels.
-		foreach ( $alt_labels as $alt_label ) {
-
-			// Strip html code from synonym.
-			$alt_label = wp_strip_all_tags( $alt_label );
-
-			if ( ! empty( $alt_label ) ) {
-				add_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY, (string) $alt_label );
-			}
-		}
-
-	}
-
-	/**
-	 * Retrieve the alternate labels.
-	 *
-	 * @param int $post_id Post id.
-	 *
-	 * @return mixed An array  of alternative labels.
-	 * @since 3.2.0
-	 *
-	 */
-	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.
-	 *
-	 * @param int $post_id The entity {@link WP_Post} id.
-	 * @param int $object_type The object type {@link Object_Type_Enum}
-	 *
-	 * @return array An array with the entity title and labels.
-	 * @since 3.12.0
-	 */
-	public function get_labels( $post_id, $object_type = Object_Type_Enum::POST ) {
-		if ( $object_type === Object_Type_Enum::POST ) {
-			return array_merge( (array) get_the_title( $post_id ), $this->get_alternative_labels( $post_id ) );
-		}
-
-		// Term Reference dont have synonyms yet.
-		return array();
-	}
-
-	/**
-	 * Fires before the permalink field in the edit form (this event is available in WP from 4.1.0).
-	 *
-	 * @param WP_Post $post Post object.
-	 *
-	 * @since 3.2.0
-	 *
-	 */
-	public function edit_form_before_permalink( $post ) {
-
-		// If it's not an entity, return.
-		if ( ! $this->is_entity( $post->ID ) ) {
-			return;
-		}
-
-		// If disabled by filter, return.
-		if ( ! apply_filters( 'wl_feature__enable__add-synonyms', true ) ) {
-			return;
-		}
-
-		// Print the input template.
-		Wordlift_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.
-		Wordlift_UI_Service::print_button( 'wl-add-alternative-labels-button', __( 'Add more titles', 'wordlift' ) );
-
-	}
-
-	public function get_uri( $object_id, $type = Object_Type_Enum::POST ) {
-		$content_service = Wordpress_Content_Service::get_instance();
-		$entity_id       = $content_service->get_entity_id( new Wordpress_Content_Id( $object_id, $type ) );
-		$dataset_uri     = Wordlift_Configuration_Service::get_instance()->get_dataset_uri();
-
-		if ( ! isset( $entity_id ) || 0 !== strpos( $entity_id, $dataset_uri ) ) {
-			$rel_uri = Entity_Uri_Generator::create_uri( $type, $object_id );
-			try {
-				$content_service->set_entity_id( new Wordpress_Content_Id( $object_id, $type ), $rel_uri );
-				$entity_id = $content_service->get_entity_id( new Wordpress_Content_Id( $object_id, $type ) );
-			} catch ( Exception $e ) {
-				return null;
-			}
-		}
-
-		return $entity_id;
-	}
-
-	/**
-	 * Get the alternative label input HTML code.
-	 *
-	 * @param string $value The input value.
-	 *
-	 * @return string The input HTML code.
-	 * @since 3.2.0
-	 *
-	 */
-	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.
-	 *
-	 * @return int The number of published entity posts.
-	 * @since 3.6.0
-	 *
-	 */
-	public function count() {
-		global $wpdb;
-
-		// Try to get the count from the transient.
-		$count = get_transient( '_wl_entity_service__count' );
-		if ( false !== $count ) {
-			return $count;
-		}
-
-		// Query the count.
-		$count = $wpdb->get_var( $wpdb->prepare(
-			"SELECT COUNT( DISTINCT( tr.object_id ) )"
-			. " FROM {$wpdb->term_relationships} tr"
-			. " INNER JOIN {$wpdb->term_taxonomy} tt"
-			. "  ON tt.taxonomy = %s AND tt.term_taxonomy_id = tr.term_taxonomy_id"
-			. " INNER JOIN {$wpdb->terms} t"
-			. "  ON t.term_id = tt.term_id AND t.name != %s",
-			Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME,
-			'article'
-		) );
-
-		// Store the count in cache.
-		set_transient( '_wl_entity_service__count', $count, 900 );
-
-		return $count;
-	}
-
-	/**
-	 * Add the entity filtering criterias to the arguments for a `get_posts`
-	 * call.
-	 *
-	 * @param array $args The arguments for a `get_posts` call.
-	 *
-	 * @return array The arguments for a `get_posts` call.
-	 * @since 3.15.0
-	 *
-	 */
-	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 $term ) {
+            if ( 1 !== preg_match( '~(^|-)article$~', $term->slug ) ) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Get the proper classification scope for a given entity post
+     *
+     * @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').
+     * @since 3.5.0
+     *
+     */
+    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.
+     *
+     * @param string $uri The entity URI.
+     *
+     * @return WP_Post|null A WP_Post instance or null if not found.
+     * @deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
+     *
+     * @since      3.16.3 deprecated in favor of Wordlift_Entity_Uri_Service->get_entity( $uri );
+     * @since      3.2.0
+     *
+     */
+    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'] ) ? (array) $_REQUEST['wl_alternative_label'] : array();
+
+        if ( ( ! empty( $_POST['content'] ) && ! empty( $_POST['post_content'] ) ) || isset( $_REQUEST['wl_alternative_label'] ) ) {
+            // This is via classic editor, so set the alternative labels.
+            $this->set_alternative_labels( $post_id, $alt_labels );
+        }
+
+
+    }
+
+    /**
+     * Set the alternative labels.
+     *
+     * @param int $post_id The post id.
+     * @param array $alt_labels An array of labels.
+     *
+     * @since 3.2.0
+     *
+     */
+    public function set_alternative_labels( $post_id, $alt_labels ) {
+
+        // Bail out if post id is not numeric. We add this check as we found a WP install that was sending a WP_Error
+        // instead of post id.
+        if ( ! is_numeric( $post_id ) ) {
+            return;
+        }
+
+        // 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 );
+
+        // Save only unique synonymns.
+        $alt_labels = array_unique( $alt_labels );
+
+        // Set the alternative labels.
+        foreach ( $alt_labels as $alt_label ) {
+
+            // Strip html code from synonym.
+            $alt_label = wp_strip_all_tags( $alt_label );
+
+            if ( ! empty( $alt_label ) ) {
+                add_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY, (string) $alt_label );
+            }
+        }
+
+    }
+
+    /**
+     * Retrieve the alternate labels.
+     *
+     * @param int $post_id Post id.
+     *
+     * @return mixed An array  of alternative labels.
+     * @since 3.2.0
+     *
+     */
+    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.
+     *
+     * @param int $post_id The entity {@link WP_Post} id.
+     * @param int $object_type The object type {@link Object_Type_Enum}
+     *
+     * @return array An array with the entity title and labels.
+     * @since 3.12.0
+     */
+    public function get_labels( $post_id, $object_type = Object_Type_Enum::POST ) {
+        if ( $object_type === Object_Type_Enum::POST ) {
+            return array_merge( (array) get_the_title( $post_id ), $this->get_alternative_labels( $post_id ) );
+        }
+
+        // Term Reference dont have synonyms yet.
+        return array();
+    }
+
+    /**
+     * Fires before the permalink field in the edit form (this event is available in WP from 4.1.0).
+     *
+     * @param WP_Post $post Post object.
+     *
+     * @since 3.2.0
+     *
+     */
+    public function edit_form_before_permalink( $post ) {
+
+        // If it's not an entity, return.
+        if ( ! $this->is_entity( $post->ID ) ) {
+            return;
+        }
+
+        // If disabled by filter, return.
+        if ( ! apply_filters( 'wl_feature__enable__add-synonyms', true ) ) {
+            return;
+        }
+
+        // Print the input template.
+        Wordlift_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.
+        Wordlift_UI_Service::print_button( 'wl-add-alternative-labels-button', __( 'Add more titles', 'wordlift' ) );
+
+    }
+
+    public function get_uri( $object_id, $type = Object_Type_Enum::POST ) {
+        $content_service = Wordpress_Content_Service::get_instance();
+        $entity_id       = $content_service->get_entity_id( new Wordpress_Content_Id( $object_id, $type ) );
+        $dataset_uri     = Wordlift_Configuration_Service::get_instance()->get_dataset_uri();
+
+        if ( ! isset( $entity_id ) || 0 !== strpos( $entity_id, $dataset_uri ) ) {
+            $rel_uri = Entity_Uri_Generator::create_uri( $type, $object_id );
+            try {
+                $content_service->set_entity_id( new Wordpress_Content_Id( $object_id, $type ), $rel_uri );
+                $entity_id = $content_service->get_entity_id( new Wordpress_Content_Id( $object_id, $type ) );
+            } catch ( Exception $e ) {
+                return null;
+            }
+        }
+
+        return $entity_id;
+    }
+
+    /**
+     * Get the alternative label input HTML code.
+     *
+     * @param string $value The input value.
+     *
+     * @return string The input HTML code.
+     * @since 3.2.0
+     *
+     */
+    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.
+     *
+     * @return int The number of published entity posts.
+     * @since 3.6.0
+     *
+     */
+    public function count() {
+        global $wpdb;
+
+        // Try to get the count from the transient.
+        $count = get_transient( '_wl_entity_service__count' );
+        if ( false !== $count ) {
+            return $count;
+        }
+
+        // Query the count.
+        $count = $wpdb->get_var( $wpdb->prepare(
+            "SELECT COUNT( DISTINCT( tr.object_id ) )"
+            . " FROM {$wpdb->term_relationships} tr"
+            . " INNER JOIN {$wpdb->term_taxonomy} tt"
+            . "  ON tt.taxonomy = %s AND tt.term_taxonomy_id = tr.term_taxonomy_id"
+            . " INNER JOIN {$wpdb->terms} t"
+            . "  ON t.term_id = tt.term_id AND t.name != %s",
+            Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME,
+            'article'
+        ) );
+
+        // Store the count in cache.
+        set_transient( '_wl_entity_service__count', $count, 900 );
+
+        return $count;
+    }
+
+    /**
+     * Add the entity filtering criterias to the arguments for a `get_posts`
+     * call.
+     *
+     * @param array $args The arguments for a `get_posts` call.
+     *
+     * @return array The arguments for a `get_posts` call.
+     * @since 3.15.0
+     *
+     */
+    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.
@@ -509,102 +509,102 @@ 
 				 *
 				 * @since 3.19.5
 				 */
-				'lang'      => '',
-				'tax_query' => $tax_query,
-			);
-	}
-
-	/**
-	 * Create a new entity.
-	 *
-	 * @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.
-	 * @since 3.9.0
-	 *
-	 */
-	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.
-	 *
-	 * @param int $id The post id.
-	 * @param string $post_status The target post status (default = publish).
-	 *
-	 * @return array An array of post ids.
-	 * @since 3.10.0
-	 *
-	 */
-	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.
-	 *
-	 * @param array $params Custom parameters for WordPress' own {@link get_posts} function.
-	 *
-	 * @return array An array of entity posts.
-	 * @since 3.12.2
-	 *
-	 */
-	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.
-	 *
-	 * @return array Array containing the names of the valid post types.
-	 * @since 3.15.0
-	 *
-	 */
-	static function valid_entity_post_types() {
-
-		// Ignore builtins in the call to avoid getting attachments.
-		$post_types = array( 'post', 'page', self::TYPE_NAME, 'product' );
-
-		return apply_filters( 'wl_valid_entity_post_types', $post_types );
-	}
+                'lang'      => '',
+                'tax_query' => $tax_query,
+            );
+    }
+
+    /**
+     * Create a new entity.
+     *
+     * @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.
+     * @since 3.9.0
+     *
+     */
+    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.
+     *
+     * @param int $id The post id.
+     * @param string $post_status The target post status (default = publish).
+     *
+     * @return array An array of post ids.
+     * @since 3.10.0
+     *
+     */
+    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.
+     *
+     * @param array $params Custom parameters for WordPress' own {@link get_posts} function.
+     *
+     * @return array An array of entity posts.
+     * @since 3.12.2
+     *
+     */
+    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.
+     *
+     * @return array Array containing the names of the valid post types.
+     * @since 3.15.0
+     *
+     */
+    static function valid_entity_post_types() {
+
+        // Ignore builtins in the call to avoid getting attachments.
+        $post_types = array( 'post', 'page', self::TYPE_NAME, 'product' );
+
+        return apply_filters( 'wl_valid_entity_post_types', $post_types );
+    }
 
 }

Spacing +86 added lines, -86 removed lines

@@ -81,7 +81,7 @@ 
 	 * @since 3.2.0
 	 */
 	protected function __construct() {
-		$this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Entity_Service' );
+		$this->log = Wordlift_Log_Service::get_logger('Wordlift_Entity_Service');
 
 		$this->entity_uri_service = Wordlift_Entity_Uri_Service::get_instance();
 		$this->relation_service   = Wordlift_Relation_Service::get_instance();
@@ -105,7 +105,7 @@ 
 	 */
 	public static function get_instance() {
 
-		if ( ! isset( self::$instance ) ) {
+		if ( ! isset(self::$instance)) {
 			self::$instance = new self();
 		}
 
@@ -122,22 +122,22 @@ 
 	 * @since 3.1.0
 	 *
 	 */
-	public function is_entity( $post_id ) {
+	public function is_entity($post_id) {
 
 		// Improve performance by giving for granted that a product is an entity.
-		if ( 'product' === get_post_type( $post_id ) ) {
+		if ('product' === get_post_type($post_id)) {
 			return true;
 		}
 
-		$terms = wp_get_object_terms( $post_id, Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME );
+		$terms = wp_get_object_terms($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: " . $terms->get_error_message() );
+		if (is_wp_error($terms)) {
+			$this->log->error("Cannot get the terms for post $post_id: ".$terms->get_error_message());
 
 			return false;
 		}
 
-		if ( empty( $terms ) ) {
+		if (empty($terms)) {
 			return false;
 		}
 
@@ -148,8 +148,8 @@ 
 		 *
 		 * @see https://github.com/insideout10/wordlift-plugin/issues/835
 		 */
-		foreach ( $terms as $term ) {
-			if ( 1 !== preg_match( '~(^|-)article$~', $term->slug ) ) {
+		foreach ($terms as $term) {
+			if (1 !== preg_match('~(^|-)article$~', $term->slug)) {
 				return true;
 			}
 		}
@@ -169,19 +169,19 @@ 
 	 * @since 3.5.0
 	 *
 	 */
-	public function get_classification_scope_for( $post_id, $default = WL_WHAT_RELATION ) {
+	public function get_classification_scope_for($post_id, $default = WL_WHAT_RELATION) {
 
-		if ( false === $this->is_entity( $post_id ) ) {
+		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'] );
+		$entity_type_arr = Wordlift_Entity_Type_Service::get_instance()->get($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'] ) ) {
+		$classification_boxes = unserialize(WL_CORE_POST_CLASSIFICATION_BOXES);
+		foreach ($classification_boxes as $cb) {
+			if (in_array($entity_type, $cb['registeredTypes'])) {
 				return $cb['id'];
 			}
 		}
@@ -196,13 +196,13 @@ 
 	 *
 	 * @return bool|null Null if it's not an entity, otherwise true if it's used.
 	 */
-	public function is_used( $post_id ) {
+	public function is_used($post_id) {
 
-		if ( false === $this->is_entity( $post_id ) ) {
+		if (false === $this->is_entity($post_id)) {
 			return null;
 		}
 		// Retrieve the post
-		$entity = get_post( $post_id );
+		$entity = get_post($post_id);
 
 		global $wpdb;
 		// Retrieve Wordlift relation instances table name
@@ -215,9 +215,9 @@ 
 		);
 
 		// Perform the query
-		$relation_instances = (int) $wpdb->get_var( $stmt );
+		$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 ) {
+		if (0 < $relation_instances) {
 			return true;
 		}
 
@@ -225,13 +225,13 @@ 
 		$stmt = $wpdb->prepare(
 			"SELECT COUNT(*) FROM $wpdb->postmeta WHERE post_id != %d AND meta_value = %s",
 			$entity->ID,
-			wl_get_entity_uri( $entity->ID )
+			wl_get_entity_uri($entity->ID)
 		);
 		// Perform the query
-		$meta_instances = (int) $wpdb->get_var( $stmt );
+		$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 ) {
+		if (0 < $meta_instances) {
 			return true;
 		}
 
@@ -251,9 +251,9 @@ 
 	 * @since      3.2.0
 	 *
 	 */
-	public function get_entity_post_by_uri( $uri ) {
+	public function get_entity_post_by_uri($uri) {
 
-		return $this->entity_uri_service->get_entity( $uri );
+		return $this->entity_uri_service->get_entity($uri);
 	}
 
 	/**
@@ -268,10 +268,10 @@ 
 	 * @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, $update ) {
+	public function save_post($post_id, $post, $update) {
 
 		// Avoid doing anything if post is autosave or a revision.
-		if ( wp_is_post_autosave( $post ) || wp_is_post_revision( $post ) ) {
+		if (wp_is_post_autosave($post) || wp_is_post_revision($post)) {
 			return;
 		}
 
@@ -281,16 +281,16 @@ 
 		// 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( $post_id ) ) {
+		if ( ! isset($_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'] ) ? (array) $_REQUEST['wl_alternative_label'] : array();
+		$alt_labels = isset($_REQUEST['wl_alternative_label']) ? (array) $_REQUEST['wl_alternative_label'] : array();
 
-		if ( ( ! empty( $_POST['content'] ) && ! empty( $_POST['post_content'] ) ) || isset( $_REQUEST['wl_alternative_label'] ) ) {
+		if (( ! empty($_POST['content']) && ! empty($_POST['post_content'])) || isset($_REQUEST['wl_alternative_label'])) {
 			// This is via classic editor, so set the alternative labels.
-			$this->set_alternative_labels( $post_id, $alt_labels );
+			$this->set_alternative_labels($post_id, $alt_labels);
 		}
 
 
@@ -305,35 +305,35 @@ 
 	 * @since 3.2.0
 	 *
 	 */
-	public function set_alternative_labels( $post_id, $alt_labels ) {
+	public function set_alternative_labels($post_id, $alt_labels) {
 
 		// Bail out if post id is not numeric. We add this check as we found a WP install that was sending a WP_Error
 		// instead of post id.
-		if ( ! is_numeric( $post_id ) ) {
+		if ( ! is_numeric($post_id)) {
 			return;
 		}
 
 		// Force $alt_labels to be an array
-		if ( ! is_array( $alt_labels ) ) {
-			$alt_labels = array( $alt_labels );
+		if ( ! is_array($alt_labels)) {
+			$alt_labels = array($alt_labels);
 		}
 
-		$this->log->debug( "Setting alternative labels [ post id :: $post_id ][ alt labels :: " . implode( ',', $alt_labels ) . " ]" );
+		$this->log->debug("Setting alternative labels [ post id :: $post_id ][ alt labels :: ".implode(',', $alt_labels)." ]");
 
 		// Delete all the existing alternate labels.
-		delete_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY );
+		delete_post_meta($post_id, self::ALTERNATIVE_LABEL_META_KEY);
 
 		// Save only unique synonymns.
-		$alt_labels = array_unique( $alt_labels );
+		$alt_labels = array_unique($alt_labels);
 
 		// Set the alternative labels.
-		foreach ( $alt_labels as $alt_label ) {
+		foreach ($alt_labels as $alt_label) {
 
 			// Strip html code from synonym.
-			$alt_label = wp_strip_all_tags( $alt_label );
+			$alt_label = wp_strip_all_tags($alt_label);
 
-			if ( ! empty( $alt_label ) ) {
-				add_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY, (string) $alt_label );
+			if ( ! empty($alt_label)) {
+				add_post_meta($post_id, self::ALTERNATIVE_LABEL_META_KEY, (string) $alt_label);
 			}
 		}
 
@@ -348,9 +348,9 @@ 
 	 * @since 3.2.0
 	 *
 	 */
-	public function get_alternative_labels( $post_id ) {
+	public function get_alternative_labels($post_id) {
 
-		return get_post_meta( $post_id, self::ALTERNATIVE_LABEL_META_KEY );
+		return get_post_meta($post_id, self::ALTERNATIVE_LABEL_META_KEY);
 	}
 
 	/**
@@ -362,9 +362,9 @@ 
 	 * @return array An array with the entity title and labels.
 	 * @since 3.12.0
 	 */
-	public function get_labels( $post_id, $object_type = Object_Type_Enum::POST ) {
-		if ( $object_type === Object_Type_Enum::POST ) {
-			return array_merge( (array) get_the_title( $post_id ), $this->get_alternative_labels( $post_id ) );
+	public function get_labels($post_id, $object_type = Object_Type_Enum::POST) {
+		if ($object_type === Object_Type_Enum::POST) {
+			return array_merge((array) get_the_title($post_id), $this->get_alternative_labels($post_id));
 		}
 
 		// Term Reference dont have synonyms yet.
@@ -379,44 +379,44 @@ 
 	 * @since 3.2.0
 	 *
 	 */
-	public function edit_form_before_permalink( $post ) {
+	public function edit_form_before_permalink($post) {
 
 		// If it's not an entity, return.
-		if ( ! $this->is_entity( $post->ID ) ) {
+		if ( ! $this->is_entity($post->ID)) {
 			return;
 		}
 
 		// If disabled by filter, return.
-		if ( ! apply_filters( 'wl_feature__enable__add-synonyms', true ) ) {
+		if ( ! apply_filters('wl_feature__enable__add-synonyms', true)) {
 			return;
 		}
 
 		// Print the input template.
-		Wordlift_UI_Service::print_template( 'wl-tmpl-alternative-label-input', $this->get_alternative_label_input() );
+		Wordlift_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 $alt_label ) {
+		foreach ($this->get_alternative_labels($post->ID) as $alt_label) {
 
-			echo $this->get_alternative_label_input( $alt_label );
+			echo $this->get_alternative_label_input($alt_label);
 
 		};
 
 		// Print the button.
-		Wordlift_UI_Service::print_button( 'wl-add-alternative-labels-button', __( 'Add more titles', 'wordlift' ) );
+		Wordlift_UI_Service::print_button('wl-add-alternative-labels-button', __('Add more titles', 'wordlift'));
 
 	}
 
-	public function get_uri( $object_id, $type = Object_Type_Enum::POST ) {
+	public function get_uri($object_id, $type = Object_Type_Enum::POST) {
 		$content_service = Wordpress_Content_Service::get_instance();
-		$entity_id       = $content_service->get_entity_id( new Wordpress_Content_Id( $object_id, $type ) );
+		$entity_id       = $content_service->get_entity_id(new Wordpress_Content_Id($object_id, $type));
 		$dataset_uri     = Wordlift_Configuration_Service::get_instance()->get_dataset_uri();
 
-		if ( ! isset( $entity_id ) || 0 !== strpos( $entity_id, $dataset_uri ) ) {
-			$rel_uri = Entity_Uri_Generator::create_uri( $type, $object_id );
+		if ( ! isset($entity_id) || 0 !== strpos($entity_id, $dataset_uri)) {
+			$rel_uri = Entity_Uri_Generator::create_uri($type, $object_id);
 			try {
-				$content_service->set_entity_id( new Wordpress_Content_Id( $object_id, $type ), $rel_uri );
-				$entity_id = $content_service->get_entity_id( new Wordpress_Content_Id( $object_id, $type ) );
-			} catch ( Exception $e ) {
+				$content_service->set_entity_id(new Wordpress_Content_Id($object_id, $type), $rel_uri);
+				$entity_id = $content_service->get_entity_id(new Wordpress_Content_Id($object_id, $type));
+			} catch (Exception $e) {
 				return null;
 			}
 		}
@@ -433,9 +433,9 @@ 
 	 * @since 3.2.0
 	 *
 	 */
-	private function get_alternative_label_input( $value = '' ) {
+	private function get_alternative_label_input($value = '') {
 
-		return sprintf( self::ALTERNATIVE_LABEL_INPUT_TEMPLATE, esc_attr( $value ), __( 'Delete', 'wordlift' ) );
+		return sprintf(self::ALTERNATIVE_LABEL_INPUT_TEMPLATE, esc_attr($value), __('Delete', 'wordlift'));
 	}
 
 	/**
@@ -449,13 +449,13 @@ 
 		global $wpdb;
 
 		// Try to get the count from the transient.
-		$count = get_transient( '_wl_entity_service__count' );
-		if ( false !== $count ) {
+		$count = get_transient('_wl_entity_service__count');
+		if (false !== $count) {
 			return $count;
 		}
 
 		// Query the count.
-		$count = $wpdb->get_var( $wpdb->prepare(
+		$count = $wpdb->get_var($wpdb->prepare(
 			"SELECT COUNT( DISTINCT( tr.object_id ) )"
 			. " FROM {$wpdb->term_relationships} tr"
 			. " INNER JOIN {$wpdb->term_taxonomy} tt"
@@ -464,10 +464,10 @@ 
 			. "  ON t.term_id = tt.term_id AND t.name != %s",
 			Wordlift_Entity_Type_Taxonomy_Service::TAXONOMY_NAME,
 			'article'
-		) );
+		));
 
 		// Store the count in cache.
-		set_transient( '_wl_entity_service__count', $count, 900 );
+		set_transient('_wl_entity_service__count', $count, 900);
 
 		return $count;
 	}
@@ -482,7 +482,7 @@ 
 	 * @since 3.15.0
 	 *
 	 */
-	public static function add_criterias( $args ) {
+	public static function add_criterias($args) {
 
 		// Build an optimal tax-query.
 		$tax_query = array(
@@ -526,28 +526,28 @@ 
 	 * @since 3.9.0
 	 *
 	 */
-	public function create( $name, $type_uri, $logo = null, $status = 'publish' ) {
+	public function create($name, $type_uri, $logo = null, $status = 'publish') {
 
 		// Create an entity for the publisher.
-		$post_id = @wp_insert_post( array(
+		$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( $post_id ) ) {
+		if (is_wp_error($post_id)) {
 			return $post_id;
 		}
 
 		// Set the entity logo.
-		if ( $logo && is_numeric( $logo ) ) {
-			set_post_thumbnail( $post_id, $logo );
+		if ($logo && is_numeric($logo)) {
+			set_post_thumbnail($post_id, $logo);
 		}
 
 		// Set the entity type.
-		Wordlift_Entity_Type_Service::get_instance()->set( $post_id, $type_uri );
+		Wordlift_Entity_Type_Service::get_instance()->set($post_id, $type_uri);
 
 		return $post_id;
 	}
@@ -563,9 +563,9 @@ 
 	 * @since 3.10.0
 	 *
 	 */
-	public function get_related_entities( $id, $post_status = 'publish' ) {
+	public function get_related_entities($id, $post_status = 'publish') {
 
-		return $this->relation_service->get_objects( $id, 'ids', null, $post_status );
+		return $this->relation_service->get_objects($id, 'ids', null, $post_status);
 	}
 
 	/**
@@ -577,16 +577,16 @@ 
 	 * @since 3.12.2
 	 *
 	 */
-	public function get( $params = array() ) {
+	public function get($params = array()) {
 
 		// Set the defaults.
-		$defaults = array( 'post_type' => 'entity' );
+		$defaults = array('post_type' => 'entity');
 
 		// Merge the defaults with the provided parameters.
-		$args = wp_parse_args( $params, $defaults );
+		$args = wp_parse_args($params, $defaults);
 
 		// Call the `get_posts` function.
-		return get_posts( $args );
+		return get_posts($args);
 	}
 
 	/**
@@ -602,9 +602,9 @@ 
 	static function valid_entity_post_types() {
 
 		// Ignore builtins in the call to avoid getting attachments.
-		$post_types = array( 'post', 'page', self::TYPE_NAME, 'product' );
+		$post_types = array('post', 'page', self::TYPE_NAME, 'product');
 
-		return apply_filters( 'wl_valid_entity_post_types', $post_types );
+		return apply_filters('wl_valid_entity_post_types', $post_types);
 	}
 
 }