From 31403f63a264a067da23ee8f7634b66980a5caaf Mon Sep 17 00:00:00 2001
From: Reinhold Kainhofer <reinhold@kainhofer.com>
Date: Thu, 13 Nov 2014 19:12:29 +0100
Subject: [PATCH] Work on scoping functions. Not yet finished
---
rules_shipping_base.php | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/rules_shipping_base.php b/rules_shipping_base.php
index 5811056..819bc9c 100644
--- a/rules_shipping_base.php
+++ b/rules_shipping_base.php
@@ -1113,7 +1113,31 @@ class ShippingRule {
}
}
- function evaluateFunction ($function, $args) {
+ /** Evaluate the given expression $expr only for the products that match the filter given by the scoping
+ * function and the corresponding conditions */
+ protected function evaluateScoping($expr, $scoping, $conditionvals, $vals) {
+ if (count($conditions)<1)
+ return $this->evaluateTerm($expr, $vals);
+
+ $filterkeys = array(
+ "evaluate_for_categories" => 'categories',
+ "evaluate_for_products" => 'products',
+ "evaluate_for_vendors" => 'vendors',
+ "evaluate_for_manufacturers" => 'manufacturers'
+ );
+
+ $conditions = array();
+ if (isset($filterkeys[$scoping]))
+ $conditions[$filterkeys[$scoping]] = $conditionsvals;
+
+ // Pass the conditions to the parent plugin class to filter the current list of products:
+ $products = filterProducts($currentproducts, $conditions);
+ $vals = $this->plugin->getCartValues ($cart, $products, /* FIXME: method*/ $this->method, $cart_prices);
+ // FIXME: IMPLEMENT
+ // TODO
+ }
+
+ protected function evaluateFunction ($function, $args) {
$func = strtolower($function);
// Check if we have a custom function definition and use that if so.
// This is done first to allow plugins to override even built-in functions!
@@ -1225,6 +1249,13 @@ class ShippingRule {
} else {
return $this->evaluateVariable($expr, $vals);
}
+ } elseif ($is_scoping) {
+ $op = array_shift($expr); // ignore the "FUNCTION"
+ $func = array_shift($expr); // The scoping function name
+ $expression = array_shift($expr); // The expression to be evaluated
+ $conditions = $expr; // the remaining $expr list now contains the conditions
+ return $this->evaluateScoping ($expression, $func, $conditions, $vals);
+
} elseif (is_array($expr)) {
// Operator
$op = array_shift($expr);
--
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