From 3cfbf2bce5bfb076e7f77dde9b98c9c1e7d47ee3 Mon Sep 17 00:00:00 2001
From: Marek Isalski <maz@from-this-height.tenebrae.faelix.org>
Date: Sun, 20 May 2018 16:17:40 +0100
Subject: [PATCH] cache invalidation based on hooks

---
 fulcrm_shoppingcart.module | 56 +++++++++++++++++++++++++++++++++++---
 1 file changed, 52 insertions(+), 4 deletions(-)

diff --git a/fulcrm_shoppingcart.module b/fulcrm_shoppingcart.module
index 2ea0ec2..fa6474c 100644
--- a/fulcrm_shoppingcart.module
+++ b/fulcrm_shoppingcart.module
@@ -147,10 +147,16 @@ function fulcrm_shoppingcart_theme( $existing, $type, $theme, $path ) {
                   );
 }
 
-function fulcrm_shoppingcart_invalidate_cache() {
-    if ( array_key_exists( 'fulcrm_shoppingcart_id', $_SESSION ) ) {
-        $cid = 'fulcrm_shoppingcart:shoppingcart:' . $_SESSION[ 'fulcrm_shoppingcart_id' ];
-        cache_clear_all( $cid, 'cache' );
+function fulcrm_shoppingcart_invalidate_cache( $cart_id = NULL ) {
+    if ( is_null( $cart_id ) ) {
+        if ( array_key_exists( 'fulcrm_shoppingcart_id', $_SESSION ) )
+            $cart_id = $_SESSION[ 'fulcrm_shoppingcart_id' ];
+    }
+    if ( $cart_id === '*' ) {
+        cache_clear_all( $cid = 'fulcrm_shoppingcart:shoppingcart:', $bin = 'cache', $wildcard = TRUE );
+    } else if ( !is_null( $cart_id ) ) {
+        $cid = 'fulcrm_shoppingcart:shoppingcart:' . $cart_id;
+        cache_clear_all( $cid = $cid, $bin = 'cache' );
     }
 }
 
@@ -894,3 +900,45 @@ function fulcrm_shoppingcart_user_logout( $account ) {
         unset( $_SESSION[ 'fulcrm_shoppingcart_id' ] );
     }
 }
+
+function fulcrm_shoppingcart_create_for_fulcrm_shoppingcart( &$vars ) {
+}
+
+function fulcrm_shoppingcart_update_for_fulcrm_shoppingcart( &$vars ) {
+    if ( fulcrm_apiv2_url_to_type( $data[ 'url' ] ) === 'shoppingcart' ) {
+        $cart_id = fulcrm_apiv2_url_to_pk( $data[ 'url' ] );
+        if ( $cart_id )
+            fulcrm_shoppingcart_invalidate_cache( $cart_id );
+    }
+}
+
+function fulcrm_shoppingcart_delete_for_fulcrm_shoppingcart( &$vars ) {
+    if ( fulcrm_apiv2_url_to_type( $data[ 'url' ] ) === 'shoppingcart' ) {
+        $cart_id = fulcrm_apiv2_url_to_pk( $data[ 'url' ] );
+        if ( $cart_id )
+            fulcrm_shoppingcart_invalidate_cache( $cart_id );
+    }
+}
+
+function fulcrm_shoppingcart_create_for_fulcrm_shoppingitem( &$vars ) {
+}
+
+function fulcrm_shoppingcart_update_for_fulcrm_shoppingitem( &$vars ) {
+    if ( fulcrm_apiv2_url_to_type( $data[ 'shoppingcart' ] ) === 'shoppingcart' ) {
+        $cart_id = fulcrm_apiv2_url_to_pk( $data[ 'shoppingcart' ] );
+        if ( $cart_id )
+            fulcrm_shoppingcart_invalidate_cache( $cart_id );
+    }
+}
+
+function fulcrm_shoppingcart_delete_for_fulcrm_shoppingitem( &$vars ) {
+    fulcrm_shoppingcart_invalidate_cache( '*' );
+}
+
+function fulcrm_shoppingcart_create_for_fulcrm_transaction( &$vars ) {
+    if ( fulcrm_apiv2_url_to_type( $data[ 'content_object' ] ) === 'shoppingcart' ) {
+        $cart_id = fulcrm_apiv2_url_to_pk( $data[ 'content_object' ] );
+        if ( $cart_id )
+            fulcrm_shoppingcart_invalidate_cache( $cart_id );
+    }
+}