feat: add WooTemplateResolver

Signed-off-by: Bart Jaskulski bjaskulski@protonmail.com

src/Resolver/WooTemplateResolver.php

+<?php
+
+declare(strict_types=1);
+
+namespace WPDesk\View\Resolver;
+
+use WPDesk\View\Renderer\Renderer;
+use WPDesk\View\Resolver\Exception\CanNotResolve;
+
+/**
+ * Locate templates, respecting WooCommerce template load order, prepending custom path to seek for templates. This supports user's template overrides by default.
+ */
+class WooTemplateResolver implements Resolver {
+
+	/** @var string */
+	private $base_path;
+
+	public function __construct( string $base_path ) {
+		if ( ! function_exists( 'wc_locate_template' ) ) {
+			throw new \RuntimeException( sprintf( 'The "%s" resolver needs the WooCommerce plugin. Make sure it is installed and active.', __CLASS__ ) );
+		}
+
+		$this->base_path = $base_path;
+	}
+
+	public function resolve( $name, Renderer $renderer = null ): string {
+		$template = wc_locate_template( $name, '', $this->base_path );
+
+		if ( $template === '' ) {
+			throw new CanNotResolve( "Cannot resolve template {$name}" );
+		}
+
+		return $template;
+	}
+}