[Update]Redmine - #644 : Add URL to product page

wp-content/themes/nap/footer-shop.php

- <?php  wp_footer(); ?>
+ <?php 
+ $ext_ref = externe_referrer();
+ if($ext_ref) {
+ 	get_footer();
+ }else{
+ 	wp_footer();
+ }
+ ?>

wp-content/themes/nap/functions.php

@@ -599,39 +599,15 @@ function nap_save_general_proddata_custom_field( $post_id ) {
   
 }
 //MS 2017-08-02 : Get referrer
-function externe_referrer( ) {
+function externe_referrer(){
     $url = $_SERVER['HTTP_REFERER'];
     $postid = url_to_postid( $url ); 
     $ref =  false;
     $uri = $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
     $pageWasRefreshed = isset($_SERVER['HTTP_CACHE_CONTROL']) && $_SERVER['HTTP_CACHE_CONTROL'] === 'max-age=0';
-   if($pageWasRefreshed ) {
-  $postid = -1; 
-
-} else{
-         
-        $postid = 0; 
-    }
-    if ($postid < 0){
+    if($pageWasRefreshed || empty(  $url) ) {
         $ref =  true;
     }
-
-
-    echo $postid;
- 
-if($pageWasRefreshed ) {
-  $postid = -1; 
-
-} 
-
-global $post;
-$terms = get_the_terms( $post->ID, 'product_cat' );
-foreach ( $terms as $term ) {
-    $product_cat_id = $term->term_id;
-    echo 'prod_eeeeee === '. $product_cat_id;
-    break;
-
-    return $ref ;      
-}
+    return $ref ; 
 }
 

wp-content/themes/nap/header-shop.php

-        <?php wp_head(); //get_header( 'shop' );?>
+<?php 
+$ext_ref = externe_referrer();
+if($ext_ref) {
+	get_header();
+}else{
+	wp_head();
+}
+?>

wp-content/themes/nap/woocommerce/single-product/add-to-cart/simple.php

@@ -24,15 +24,20 @@ global $product;
 $id = get_the_ID();
 $parent_cat = wp_get_post_terms($product->get_id(), 'product_cat', array( 'parent' => 0,'fields' => 'ids' ));
 $sub_cat = wp_get_post_terms($product->get_id(), 'product_cat', array( 'parent' =>$parent_cat[0],'fields' => 'names' ));
-
-
+//Get Bach URL
+$ext_ref = externe_referrer();
+if($ext_ref) {
+  $category_link = get_category_link($parent_cat[0]);
+}else{
+  $category_link ="#";
+}
 do_action('woocommerce_before_add_to_cart_form');
 ?>
 
 <div id="product" class="clearfix">
     <div class="product-images row animated">
         <div class = "btn-wrapper row close-panel">
-            <div class="pink-btn circle-btn"><a href="#"><span class = "abs-center backlink">Retour</span></a></div>
+            <div class="pink-btn circle-btn"><a href="<?php echo $category_link ?>"><span class = "abs-center backlink">Retour</span></a></div>
         </div>
         <div class="product-slides row">
             <div class="product-header">

wp-content/themes/nap/woocommerce/single-product/add-to-cart/variable.php

@@ -26,9 +26,13 @@ $attribute_keys = array_keys($attributes);
 
 $parent_cat = wp_get_post_terms($product->get_id(), 'product_cat', array( 'parent' => 0,'fields' => 'ids' ));
 $sub_cat = wp_get_post_terms($product->get_id(), 'product_cat', array( 'parent' =>$parent_cat[0],'fields' => 'names' ));
-
 $current_variationID = $_GET['variation_id'];
-
+$ext_ref = externe_referrer();
+if($ext_ref) {
+  $category_link = get_category_link($parent_cat[0]);
+}else{
+  $category_link ="#";
+}
 if (!function_exists('print_attribute_radio')) {
 
     function print_attribute_radio($checked_value, $value, $label, $name, $index=0) {
@@ -76,7 +80,7 @@ do_action('woocommerce_before_add_to_cart_form');
 <div id="product" class="clearfix">
     <div class="product-images row animated">
         <div class = "btn-wrapper row close-panel">
-            <div class="pink-btn circle-btn"><a href="#"><span class = "abs-center backlink">Retour</span></a></div>
+            <div class="pink-btn circle-btn"><a href="<?php echo $category_link ?>"><span class = "abs-center backlink">Retour</span></a></div>
         </div>
         <div class="product-slides row">
             <div class="product-header">