feat(post-type): introduce PostTypeInterface/Trait

src/Component/PostType/PostTypeInterface.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * PostType Interface
+ *
+ * @author Whizark <devaloka@whizark.com>
+ * @see http://whizark.com
+ * @copyright Copyright (C) 2014 Whizark.
+ * @license MIT
+ */
+
+namespace Devaloka\Component\PostType;
+
+use Devaloka\Component\Taxonomy\TaxonomyInterface;
+
+/**
+ * Interface PostTypeInterface
+ *
+ * @package Devaloka\Component\PostType
+ *
+ * @codeCoverageIgnore
+ */
+interface PostTypeInterface
+{
+    /**
+     * @return string
+     */
+    public function getName();
+
+    /**
+     * @return mixed[]
+     */
+    public function getOptions();
+
+    /**
+     * @param TaxonomyInterface $taxonomy
+     */
+    public function addTaxonomy(TaxonomyInterface $taxonomy);
+
+    /**
+     * @return \Devaloka\Component\Taxonomy\TaxonomyInterface[] An array of taxonomy ID(s) that will be registered for
+     *                                                          the Post Type.
+     */
+    public function getTaxonomies();
+
+    /**
+     * @return object|\WP_Error The registered post type object, or an error object.
+     */
+    public function register();
+
+    /**
+     * @return bool|\WP_Error True on success, WP_Error on failure.
+     */
+    public function unregister();
+}

src/Component/PostType/PostTypeTrait.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * PostType Trait
+ *
+ * @author Whizark <devaloka@whizark.com>
+ * @see http://whizark.com
+ * @copyright Copyright (C) 2015 Whizark.
+ * @license MIT
+ * @license GPL-2.0
+ * @license GPL-3.0
+ */
+
+namespace Devaloka\Component\PostType;
+
+use Devaloka\Component\Taxonomy\TaxonomyInterface;
+use LogicException;
+
+/**
+ * Trait PostTypeTrait
+ *
+ * @package Devaloka\Component\PostType
+ *
+ * @codeCoverageIgnore
+ */
+trait PostTypeTrait
+{
+    protected $taxonomies = [];
+
+    public function addTaxonomy(TaxonomyInterface $taxonomy)
+    {
+        $this->taxonomies[$taxonomy->getName()] = $taxonomy;
+    }
+
+    public function register()
+    {
+        /** @var PostTypeInterface $this */
+
+        $options    = $this->getOptions();
+        $taxonomies = [];
+
+        foreach ($this->getTaxonomies() as $taxonomy) {
+            $taxonomies[] = $taxonomy->getName();
+        }
+
+        $options['taxonomies'] = $taxonomies;
+
+        return register_post_type($this->getName(), $options);
+    }
+
+    /**
+     * @throws LogicException
+     *
+     * @see https://core.trac.wordpress.org/ticket/14761 #14761 (unregister_post_type()) – WordPress Trac
+     */
+    public function unregister()
+    {
+        throw new LogicException('unregister() is not implemented yet.');
+    }
+}