masteriyo (#88)

* refactor: certificate sample json

* add: preview images

* add: preview images

* fix: image id placeholder

resources/masteriyo/certificate/sample.php

@@ -20,7 +20,7 @@ function( $dir ) {
 			function( $images, $file ) use ( $samples_dir, $base_url, $dir ) {
 				$image_file = $samples_dir . '/' . $dir . '/' . $file;
 				$image_url  = $base_url . '/' . $dir . '/' . $file;
-				if ( is_file( $image_file ) && in_array( pathinfo( $file, PATHINFO_EXTENSION ), [ 'jpg', 'jpeg', 'png', 'gif' ] ) ) {
+				if ( is_file( $image_file ) && false === strpos( $file, 'preview' ) && in_array( pathinfo( $file, PATHINFO_EXTENSION ), [ 'jpg', 'jpeg', 'png', 'gif' ] ) ) {
 					$images[] = [
 						'url'             => $image_url,
 						'url_placeholder' => "{{{$file}}}",

resources/masteriyo/certificate/samples/simple-one/content.html

@@ -135,7 +135,7 @@
 
 			<!-- wp:column {"width":"35%"} -->
 			<div class="wp-block-column" style="flex-basis:35%">
-				<!-- wp:image {"align":"center","id":{{signature.png}},"width":153,"height":53,"sizeSlug":"full","linkDestination":"none"} -->
+				<!-- wp:image {"align":"center","id":{{signature}},"width":153,"height":53,"sizeSlug":"full","linkDestination":"none"} -->
 				<figure class="wp-block-image aligncenter size-full is-resized"><img src="{{signature.png}}" alt="" class="wp-image-{{masteriyo_signature_image_id}}" width="153" height="53"/></figure>
 				<!-- /wp:image -->