Add interfaces for PostType and Taxonomy to allow using legacy classes for term meta UI

Author: ocean90

src/Contracts/PostType.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * PostType class.
+ *
+ * @since 0.3.2
+ */
+
+namespace Required\Common\Contracts;
+
+/**
+ * Class used to implement post types.
+ *
+ * @since 0.3.2
+ */
+interface PostType {
+}

src/Contracts/Taxonomy.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Taxonomy class.
+ *
+ * @since 0.3.2
+ */
+
+namespace Required\Common\Contracts;
+
+/**
+ * Class used to implement taxonomies.
+ *
+ * @since 0.3.2
+ */
+interface Taxonomy {
+
+}

src/Legacy/PostType.php

@@ -9,14 +9,15 @@
 
 namespace Required\Common\Legacy;
 
+use Required\Common\Contracts\PostType as PostTypeInterface;
 use Required\Common\Contracts\Registrable;
 
 /**
  * Class used to implement custom post types.
  *
  * @since 0.1.0
  */
-abstract class PostType implements Registrable {
+abstract class PostType implements Registrable, PostTypeInterface {
 
 	public const NAME = 'post';
 

src/Legacy/Taxonomy.php

@@ -10,13 +10,14 @@
 namespace Required\Common\Legacy;
 
 use Required\Common\Contracts\Registrable;
+use Required\Common\Contracts\Taxonomy as TaxonomyInterface;
 
 /**
  * Class used to implement custom taxonomies.
  *
  * @since 0.1.0
  */
-abstract class Taxonomy implements Registrable {
+abstract class Taxonomy implements Registrable, TaxonomyInterface {
 
 	public const NAME = 'category';
 

src/TermMetaAdminUI.php

@@ -8,6 +8,7 @@
 namespace Required\Common;
 
 use Required\Common\Contracts\Registrable;
+use Required\Common\Contracts\Taxonomy;
 use WP_Term;
 
 /**
@@ -36,8 +37,8 @@ abstract class TermMetaAdminUI implements Registrable {
 	 *
 	 * @since 0.1.0
 	 *
-	 * @param \Required\Common\Taxonomy $taxonomy  The taxonomy.
-	 * @param \Required\Common\TermMeta $term_meta The term meta.
+	 * @param \Required\Common\Contracts\Taxonomy $taxonomy  The taxonomy.
+	 * @param \Required\Common\TermMeta           $term_meta The term meta.
 	 */
 	public function __construct( Taxonomy $taxonomy, TermMeta $term_meta ) {
 		$this->taxonomy  = $taxonomy;