Implement Module\ResolvingPendingMetaFilter for posts #56

inc/Import/Module/ResolvingPendingMetaFilter.php

@@ -3,7 +3,9 @@
 namespace W2M\Import\Module;
 
 use
-	W2M\Import\Data;
+	W2M\Import\Data,
+	W2M\Import\Filter,
+	W2M\Import\Type;
 
 /**
  * Class ResolvingPendingMetaFilter
@@ -33,6 +35,90 @@ public function __construct( Data\ImportListeningMetaFilterList $meta_filter_lis
 	 */
 	public function resolve_pending_meta_filter() {
 
-		// Todo: Iterate over postponed meta filters and re-apply them
+		/**
+		 * Used to attach process logger
+		 *
+		 * @param Data\ImportListeningMetaFilterList $meta_list
+		 */
+		do_action( 'w2m_import_meta_filter_resolving_start', $this->meta_list );
+
+		$post_filter_storage = $this->meta_list->get_filters( 'post' );
+		/**
+		 * @var  array $filter_list
+		 * @var Type\MetaRecordIndexInterface $meta_index
+		 */
+		foreach ( $post_filter_storage as $filter_list => $meta_index ) {
+			/* @var array $data */
+			foreach ( $filter_list as $data )
+				$this->apply_post_filter( $meta_index, $data[ 'filter' ], $data[ 'meta' ] );
+		}
+
+		// Todo #56: Handle meta data for user, comment and term types
+	}
+
+	/**
+	 * Todo: Exclude this to a separate service object
+	 *
+	 * @param Type\MetaRecordIndexInterface $meta_index
+	 * @param Filter\ValueFilterableInterface $filter
+	 * @param Type\ImportMetaInterface $meta
+	 */
+	private function apply_post_filter(
+		Type\MetaRecordIndexInterface $meta_index,
+		Filter\ValueFilterableInterface $filter,
+		Type\ImportMetaInterface $meta
+	) {
+
+		$filtered_value = $this->get_filtered_value( $meta_index, $filter, $meta );
+		$preview_value  = '';
+		if ( ! $meta->is_single() ) {
+			$meta_records = $meta->value();
+			$preview_value = $meta_records[ $meta_index->index() ];
+		}
+
+		update_post_meta(
+			$meta_index->object_id(),
+			$meta_index->key(),
+			$filtered_value,
+			$preview_value
+		);
+	}
+
+	/**
+	 * Todo: Exclude this to a separate service object
+	 *
+	 * @param Type\MetaRecordIndexInterface $meta_index
+	 * @param Filter\ValueFilterableInterface $filter
+	 * @param Type\ImportMetaInterface $meta
+	 *
+	 * @return mixed
+	 */
+	private function get_filtered_value(
+		Type\MetaRecordIndexInterface $meta_index,
+		Filter\ValueFilterableInterface $filter,
+		Type\ImportMetaInterface $meta
+	) {
+
+		if ( ! $filter->is_filterable( $meta->value(), $meta_index->object_id() ) ) {
+			/**
+			 * Fires when a filter is not resolvable
+			 *
+			 * @param Filter\ValueFilterableInterface $filter
+			 * @param Type\MetaRecordIndexInterface $meta_index
+			 * @param Type\ImportMetaInterface $meta
+			 */
+			do_action( 'w2m_import_meta_filter_not_resolvable', $filter, $meta_index, $meta );
+		}
+
+		if ( $meta->is_single() ) {
+			return $filter->filter( $meta->value(), $meta_index->object_id() );
+		}
+
+		$meta_records = $meta->value();
+
+		return $filter->filter(
+			$meta_records[ $meta_index->index() ],
+			$meta_index->object_id()
+		);
 	}
 }

readme.md

@@ -100,7 +100,7 @@ Use the installer via back-end of your install or ...
 
 * `w2m_import_meta_not_filterable` in `W2M\Import\Service\ImportMetaFilter::filter_value()`
 * `w2m_import_meta_filter` in `W2M\Controller\MetaFilterApi::register_filter()`
-
+* `w2m_import_meta_filter_not_resolvable` in `W2M\Import\Module\ResolvingPendingMetaFilter::w2m_import_meta_filter_not_resolvable`
 
 ## Other Notes
 
@@ -117,4 +117,4 @@ you can use it free of charge on your personal or commercial blog.
 
 ### Contact & Feedback
 Please let us know if you like the plugin or you hate it or whatever ... 
-Please fork it, add an issue for ideas and bugs.
+Please fork it, add an issue for ideas and bugs.