feat(taxonomy): introduce TaxonomyInterface/Trait

src/Component/Taxonomy/TaxonomyInterface.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Taxonomy Interface
+ *
+ * @author Whizark <devaloka@whizark.com>
+ * @see http://whizark.com
+ * @copyright Copyright (C) 2014 Whizark.
+ * @license MIT
+ */
+
+namespace Devaloka\Commponent\Taxonomy;
+
+/**
+ * Interface TaxonomyInterface
+ *
+ * @package Devaloka\Commponent\Taxonomy
+ *
+ * @codeCoverageIgnore
+ */
+interface TaxonomyInterface
+{
+    /**
+     * @return string $taxonomy The taxonomy key (must not exceed 32 characters).
+     */
+    public function getName();
+
+    /**
+     * @return mixed[]
+     */
+    public function getOptions();
+
+    /**
+     * @return null|\WP_Error WP_Error if errors, otherwise null.
+     */
+    public function register();
+}

src/Component/Taxonomy/TaxonomyTrait.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Taxonomy 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\Taxonomy;
+
+/**
+ * Trait TaxonomyTrait
+ *
+ * @package Devaloka\Taxonomy
+ *
+ * @codeCoverageIgnore
+ */
+trait TaxonomyTrait
+{
+    /**
+     * @var string[]
+     */
+    protected $objectTypes = [];
+
+    public function getOptions()
+    {
+        return [];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function register()
+    {
+        /** @var TaxonomyInterface $this */
+
+        return register_taxonomy($this->getName(), $this->objectTypes, $this->getOptions());
+    }
+
+    public function unregister()
+    {
+        if (count($this->objectTypes) < 1) {
+            return false;
+        }
+
+        foreach ($this->objectTypes as $objectType) {
+            if (!unregister_taxonomy_for_object_type($this->getName(), $objectType)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}