From 510163bc1c6988386026ebc4133ff4d94e4c681b Mon Sep 17 00:00:00 2001
From: Luke Policinski <luke@lukepolo.com>
Date: Fri, 6 Nov 2015 16:03:29 +0000
Subject: [PATCH] adding discounts to items

---
 src/Cart.php               | 22 ++++++++++------------
 src/CartItem.php           | 37 +++++++++++++++++++++++++++++++++----
 src/Traits/CouponTrait.php |  3 +--
 3 files changed, 44 insertions(+), 18 deletions(-)

diff --git a/src/Cart.php b/src/Cart.php
index 02899de..b77e87b 100644
--- a/src/Cart.php
+++ b/src/Cart.php
@@ -289,13 +289,7 @@ public function destroyCart()
      */
     public function total($formatted = true, $withDiscount = true)
     {
-        $total = $this->subTotal(true, false);
-
-        if ($withDiscount) {
-            $total -= $this->getTotalDiscount(false);
-        }
-
-        $total += $this->getFeeTotals(false);
+        $total = $this->subTotal(true, false, $withDiscount) + $this->getFeeTotals(false);
 
         if ($formatted) {
             return \LaraCart::formatMoney($total, $this->locale, $this->internationalFormat);
@@ -313,7 +307,7 @@ public function total($formatted = true, $withDiscount = true)
      */
     public function taxTotal($formatted = true)
     {
-        $totalTax = $this->total(false) - $this->subTotal(false, false) - $this->getFeeTotals(false);
+        $totalTax = $this->total(false, false) - $this->subTotal(false, false, false) - $this->getFeeTotals(false);
 
         if ($formatted) {
             return \LaraCart::formatMoney($totalTax, $this->locale, $this->internationalFormat);
@@ -351,16 +345,18 @@ public function getFeeTotals($formatted = true)
     /**
      * Gets the subtotal of the cart with or without tax
      *
-     * @param bool $tax
+     * @param bool|false $tax
+     * @param bool|true $formatted
+     * @param bool|true $withDiscount
      *
      * @return string
      */
-    public function subTotal($tax = false, $formatted = true)
+    public function subTotal($tax = false, $formatted = true, $withDiscount = true)
     {
         $total = 0;
         if ($this->count() != 0) {
             foreach ($this->getItems() as $item) {
-                $total += $item->subTotal($tax, false) + $item->subItemsTotal($tax, false);
+                $total += $item->subTotal($tax, false, $withDiscount);
             }
         }
 
@@ -395,7 +391,9 @@ public function count($withQty = true)
     /**
      * Gets the total amount discounted
      *
-     * @return int
+     * @param bool|true $formatted
+     *
+     * @return int|string
      */
     public function getTotalDiscount($formatted = true)
     {
diff --git a/src/CartItem.php b/src/CartItem.php
index 21e6c82..c86efe1 100644
--- a/src/CartItem.php
+++ b/src/CartItem.php
@@ -237,21 +237,33 @@ public function update($key, $value)
      *
      * @param bool $tax
      * @param bool $format
+     * @param bool $withDiscount
      *
      * @return float|string
      */
-    public function subTotal($tax = false, $format = true)
+    public function subTotal($tax = false, $format = true, $withDiscount = true)
     {
+        $total = ($this->getPrice($tax, false) + $this->subItemsTotal($tax, false)) * $this->qty;
+        if ($withDiscount) {
+            $total -= $this->getDiscount(false);
+        }
+
         if ($format) {
-            $total = $this->getPrice($tax, false) + $this->subItemsTotal($tax, false);
-            return \LaraCart::formatMoney($total * $this->qty, $this->locale, $this->internationalFormat);
+
+            return \LaraCart::formatMoney($total, $this->locale, $this->internationalFormat);
         } else {
-            return $this->getPrice($tax, false) * $this->qty;
+            return $total ;
         }
     }
 
+
     /**
      * Gets the totals for the options
+     *
+     * @param bool|false $tax
+     * @param bool|true $format
+     *
+     * @return int|mixed|string
      */
     public function subItemsTotal($tax = false, $format = true)
     {
@@ -272,4 +284,21 @@ public function subItemsTotal($tax = false, $format = true)
             return $total;
         }
     }
+
+    /**
+     * Gets the discount of an item
+     *
+     * @param bool|true $format
+     *
+     * @return mixed|null|string
+     */
+    public function getDiscount($format = true)
+    {
+        if($format) {
+            return \LaraCart::formatMoney($this->discount, $this->locale, $this->internationalFormat);
+        } else {
+            return $this->discount;
+        }
+
+    }
 }
diff --git a/src/Traits/CouponTrait.php b/src/Traits/CouponTrait.php
index efa10f8..b1c9ba3 100644
--- a/src/Traits/CouponTrait.php
+++ b/src/Traits/CouponTrait.php
@@ -133,7 +133,6 @@ public function maxDiscount($maxDiscount, $discount, $throwErrors)
      */
     public function checkValidTimes(Carbon $startDate, Carbon $endDate, $throwErrors)
     {
-        // TODO - remove coupon from the cart
         if (Carbon::now()->between($startDate, $endDate)) {
             return true;
         } else {
@@ -144,7 +143,7 @@ public function checkValidTimes(Carbon $startDate, Carbon $endDate, $throwErrors
             }
         }
     }
-    
+
     /**
      * Sets a discount to an item with what code was used and the discount amount
      *