WordPress SEMrush SEO Writing Assistant plugin with custom post types

howto-add-semrush-seo-writing-assistant-metabox-to-wordpress-cpt.md

This patch allows to add SEMrush SEO Writing Assistant metabox in Custom Post Types edit pages.

Applying patch

Go to the wp-content/plugins/semrush-seo-writing-assistant/ plugin directory and type:

patch -p 0 < /path/to/saved/semrush-seo-writing-assistant-1.0.3-CPT.patch

Adding SEMrush SEO Writing Assistant metabox to CPT

In order to add SEMrush SEO Writing Assistant metabox to my_cpt custom post type, add a filter like following in your plugins or functions.php file:

add_filter( 'semrush_seo_writing_assistant_post_types', function( $post_types ) {
	return array_merge( $post_types, array( 'my_cpt' ) );
} );

semrush-seo-writing-assistant-1.0.3-CPT.patch

Index: admin/class-semrushswa-metabox.php
===================================================================
--- admin/class-semrushswa-metabox.php	(revision 9548)
+++ admin/class-semrushswa-metabox.php	(working copy)
@@ -47,11 +47,21 @@
 				SEMRUSH_SEO_WRITING_ASSISTANT_VERSION,
 				true
 			);
+
+			/**
+		 	* Filter post types array where to display this metabox.
+		 	*
+		 	* @param array $post_types. Default to `array( 'post', 'page', 'product' )`.
+		 	*
+		 	* @return array
+		 	*/
+			$post_types = apply_filters( 'semrush_seo_writing_assistant_post_types', array( 'post', 'page', 'product' ) );
+
 			add_meta_box(
 				'swa-meta-box',
 				__( 'SEMrush SEO Writing Assistant' ),
 				array( $this, 'render_metabox' ),
-				array( 'post', 'page', 'product' ),
+				$post_types,
 				'advanced',
 				'default',
 				array(
Index: semrush-seo-writing-assistant.php
===================================================================
--- semrush-seo-writing-assistant.php	(revision 9547)
+++ semrush-seo-writing-assistant.php	(working copy)
@@ -31,7 +31,7 @@
 /**
  * Current plugin version.
  */
-define( 'SEMRUSH_SEO_WRITING_ASSISTANT_VERSION', '1.0.3' );
+define( 'SEMRUSH_SEO_WRITING_ASSISTANT_VERSION', '1.0.4' );
 
 /**
  * Begins execution of the plugin.
@@ -39,7 +39,7 @@
  * Since everything within the plugin is registered via hooks,
  * then kicking off the plugin from this point in the file does
  * not affect the page life cycle.
- *
+ *  
  * @since    1.0.0
  */
 function run_semrush_swa() {