From 45d65797764d7003c93b313fbb45cb82a57147e3 Mon Sep 17 00:00:00 2001
From: claudiulodro <claudiulodro@gmail.com>
Date: Wed, 8 Nov 2017 13:55:29 -0800
Subject: [PATCH] Unsupported theme product frontend

---
 ...ss-wc-unsupported-theme-product-single.php | 136 ++++++++++++++++++
 includes/wc-template-functions.php            |  14 ++
 2 files changed, 150 insertions(+)
 create mode 100644 includes/theme-support/class-wc-unsupported-theme-product-single.php

diff --git a/includes/theme-support/class-wc-unsupported-theme-product-single.php b/includes/theme-support/class-wc-unsupported-theme-product-single.php
new file mode 100644
index 00000000000..dc0b559be02
--- /dev/null
+++ b/includes/theme-support/class-wc-unsupported-theme-product-single.php
@@ -0,0 +1,136 @@
+<?php
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Single product pages support for themes that don't declare WooCommerce support.
+ *
+ * @class   WC_Unsupported_Theme_Product_Single
+ * @since   3.3.0
+ * @version 3.3.0
+ * @package WooCommerce/Classes
+ */
+class WC_Unsupported_Theme_Product_Single {
+
+	/**
+	 * Theme enhancements init.
+	 */
+	public static function init() {
+		remove_action( 'woocommerce_before_main_content', 'woocommerce_output_content_wrapper', 10 );
+		remove_action( 'woocommerce_after_main_content', 'woocommerce_output_content_wrapper_end', 10 );
+		remove_filter( 'template_include', array( 'WC_Template_Loader', 'template_loader' ) );
+		remove_filter( 'comments_template', array( 'WC_Template_Loader', 'comments_template_loader' ) );
+
+		add_action( 'wp_enqueue_scripts', array( __CLASS__, 'style' ) );
+		add_filter( 'the_content', array( __CLASS__, 'product_info_top' ) );
+		add_filter( 'the_content', array( __CLASS__, 'product_info_bottom' ), 99 );
+	}
+
+	/**
+	 * Style adjustments to normalize things across themes and make elements look better
+	 * when inserted into the post content.
+	 */
+	public static function style() {
+		ob_start();
+		?>
+		.wc-content-top {
+			margin-bottom: 2em;
+		}
+
+		.wc-content-top input[name="quantity"] {
+			margin-right: 1em;
+		}
+
+		.wc-content-top .price {
+			font-size: 1.5em;
+			color: #77a464;
+		}
+
+		.wc-content-top .reset_variations {
+			margin-left: 1em;
+		}
+
+		.wc-content-top .woocommerce-variation-price {
+			margin-bottom: 1em;
+		}
+
+		/* Normalize the button and input to the same height and font. */
+		.wc-content-top input[name="quantity"],
+		.wc-content-top .single_add_to_cart_button {
+			float: left;
+			font-size: 1em;
+			height: 2em;
+			line-height: 2em;
+			padding-top: 0;
+			padding-bottom: 0;
+		}
+
+		.wc-content-bottom .sku_wrapper {
+			display: block;
+			margin-bottom: 1em;
+		}
+
+		.wc-content-bottom li.product .button {
+			font-size: .75em;
+		}
+		<?php
+		$additional_styling = ob_get_clean();
+        wp_add_inline_style( 'woocommerce-general', $additional_styling );
+	}
+
+	/**
+	 * Add WC notices, the price and the cart at the top of the post content.
+	 *
+	 * @since 3.3.0
+	 * @param string $content
+	 * @return string
+	 */
+	public static function product_info_top( $content ) {
+		ob_start();
+		?>
+		<div class="wc-content-top">
+			<?php
+			do_action( 'woocommerce_before_single_product' );
+			woocommerce_template_single_price();
+			woocommerce_template_single_add_to_cart();
+			?>
+		</div>
+		<?php
+		$top = ob_get_clean();
+		return $top . $content;
+	}
+
+	/**
+	 * Add attributes/dimensions and related products at the bottom of the content.
+	 *
+	 * @since 3.3.0
+	 * @param string $content
+	 * @return string
+	 */
+	public static function product_info_bottom( $content ) {
+		$product = wc_get_product( get_the_ID() );
+		if ( ! $product ) {
+			return $content;
+		}
+
+		$show_attributes = array_filter( $product->get_attributes(), 'wc_attributes_array_filter_visible' ) || apply_filters( 'wc_product_enable_dimensions_display', $product->has_weight() || $product->has_dimensions() );
+
+		ob_start();
+		?>
+		<div class="wc-content-bottom">
+			<?php
+			if ( $show_attributes ):
+				woocommerce_product_additional_information_tab();
+			endif;
+			woocommerce_template_single_meta();
+			woocommerce_upsell_display();
+			woocommerce_output_related_products();
+			?>
+		</div>
+		<?php
+		return $content . ob_get_clean();
+	}
+}
+
+WC_Unsupported_Theme_Product_Single::init();
diff --git a/includes/wc-template-functions.php b/includes/wc-template-functions.php
index 9218f542bcd..9d3de15ea95 100644
--- a/includes/wc-template-functions.php
+++ b/includes/wc-template-functions.php
@@ -2738,3 +2738,17 @@ add_action( 'wp_head', 'wc_page_noindex' );
 function wc_get_theme_slug_for_templates() {
 	return apply_filters( 'woocommerce_theme_slug_for_templates', get_option( 'template' ) );
 }
+
+/**
+ * Load up unsupported theme enhancements if needed.
+ *
+ * @todo Move this into the main unsupported theme loader.
+ */
+function wc_enhance_unsupported_theme_product_singles( $template ) {
+	if ( ! current_theme_supports( 'woocommerce' ) && ! in_array( wc_get_theme_slug_for_templates(), wc_get_core_supported_themes() ) && is_product() ) {
+		include_once( WC_ABSPATH . 'includes/theme-support/class-wc-unsupported-theme-product-single.php' );
+	}
+
+	return $template;
+}
+add_filter( 'template_include', 'wc_enhance_unsupported_theme_product_singles', 1 );