Adjusted for global discount

Fixed tests for Laravel 5.7

src/Cart.php

@@ -37,6 +37,13 @@ class Cart
      */
     private $instance;
 
+    /**
+     * Defines the discount percentage.
+     * 
+     * @var float
+     */
+    private $discount;
+
     /**
      * Cart constructor.
      *
@@ -47,6 +54,7 @@ class Cart
     {
         $this->session = $session;
         $this->events = $events;
+        $this->discount = 0;
 
         $this->instance(self::DEFAULT_INSTANCE);
     }
@@ -340,6 +348,16 @@ class Cart
         $this->session->put($this->instance, $content);
     }
 
+    /**
+     * Set the global discount percentage for the cart
+     * 
+     * @param float $discount
+     */
+    public function setDiscount(float $discount)
+    {
+        $this->discount = $discount;
+    }
+
     /**
      * Store an the current instance of the cart.
      *
@@ -462,6 +480,7 @@ class Cart
         }
 
         $cartItem->setTaxRate(config('cart.tax'));
+        $cartItem->setDiscountRate( $this->discount );
 
         return $cartItem;
     }

src/CartItem.php

@@ -64,6 +64,13 @@ class CartItem implements Arrayable, Jsonable
      */
     private $taxRate = 0;
 
+    /**
+     * The discount rate for the cart item.
+     * 
+     * @var float
+     */
+    private $discountRate = 0;
+
     /**
      * CartItem constructor.
      *
@@ -84,11 +91,11 @@ class CartItem implements Arrayable, Jsonable
             throw new \InvalidArgumentException('Please supply a valid price.');
         }
 
-        $this->id       = $id;
-        $this->name     = $name;
-        $this->price    = floatval($price);
-        $this->options  = new CartItemOptions($options);
-        $this->rowId = $this->generateRowId($id, $options);
+        $this->id           = $id;
+        $this->name         = $name;
+        $this->price        = floatval($price);
+        $this->options      = new CartItemOptions($options);
+        $this->rowId        = $this->generateRowId($id, $options);
     }
 
     /**
@@ -103,6 +110,19 @@ class CartItem implements Arrayable, Jsonable
     {
         return $this->numberFormat($this->price, $decimals, $decimalPoint, $thousandSeperator);
     }
+
+    /**
+     * Returns the formatted price with discount applied.
+     *
+     * @param int    $decimals
+     * @param string $decimalPoint
+     * @param string $thousandSeperator
+     * @return string
+     */
+    public function priceTarget($decimals = null, $decimalPoint = null, $thousandSeperator = null)
+    {
+        return $this->numberFormat($this->priceTarget, $decimals, $decimalPoint, $thousandSeperator);
+    }
     
     /**
      * Returns the formatted price with TAX.
@@ -171,6 +191,32 @@ class CartItem implements Arrayable, Jsonable
         return $this->numberFormat($this->taxTotal, $decimals, $decimalPoint, $thousandSeperator);
     }
 
+    /**
+     * Returns the formatted tax.
+     *
+     * @param int    $decimals
+     * @param string $decimalPoint
+     * @param string $thousandSeperator
+     * @return string
+     */
+    public function discount($decimals = null, $decimalPoint = null, $thousandSeperator = null)
+    {
+        return $this->numberFormat($this->discount, $decimals, $decimalPoint, $thousandSeperator);
+    }
+
+    /**
+     * Returns the formatted tax.
+     *
+     * @param int    $decimals
+     * @param string $decimalPoint
+     * @param string $thousandSeperator
+     * @return string
+     */
+    public function discountTotal($decimals = null, $decimalPoint = null, $thousandSeperator = null)
+    {
+        return $this->numberFormat($this->discountTotal, $decimals, $decimalPoint, $thousandSeperator);
+    }
+
     /**
      * Set the quantity for this cart item.
      *
@@ -242,6 +288,19 @@ class CartItem implements Arrayable, Jsonable
         return $this;
     }
 
+    /**
+     * Set the discount rate.
+     *
+     * @param int|float $discountRate
+     * @return \Gloudemans\Shoppingcart\CartItem
+     */
+    public function setDiscountRate($discountRate)
+    {
+        $this->discountRate = $discountRate;
+        
+        return $this;
+    }
+
     /**
      * Get an attribute from the cart item or get the associated model.
      *
@@ -254,26 +313,38 @@ class CartItem implements Arrayable, Jsonable
             return $this->{$attribute};
         }
 
-        if($attribute === 'priceTax') {
-            return $this->price + $this->tax;
+        if($attribute === 'discount') {
+            return $this->price * ($this->discountRate / 100);
         }
-        
+
+        if($attribute === 'priceTarget') {
+            return $this->price - $this->discount;
+        }
+
         if($attribute === 'subtotal') {
-            return $this->qty * $this->price;
+            return $this->qty * $this->priceTarget;
+        }
+
+        if($attribute === 'tax') {
+            return $this->priceTarget * ($this->taxRate / 100);
+        }
+
+        if($attribute === 'priceTax') {
+            return $this->priceTarget + $this->tax;
         }
         
         if($attribute === 'total') {
             return $this->qty * ($this->priceTax);
         }
-
-        if($attribute === 'tax') {
-            return $this->price * ($this->taxRate / 100);
-        }
         
         if($attribute === 'taxTotal') {
             return $this->tax * $this->qty;
         }
 
+        if($attribute === 'discountTotal') {
+            return $this->discount * $this->qty;
+        }
+
         if($attribute === 'model' && isset($this->associatedModel)) {
             return with(new $this->associatedModel)->find($this->id);
         }
@@ -348,6 +419,7 @@ class CartItem implements Arrayable, Jsonable
             'qty'      => $this->qty,
             'price'    => $this->price,
             'options'  => $this->options->toArray(),
+            'discount' => $this->discount,
             'tax'      => $this->tax,
             'subtotal' => $this->subtotal
         ];

tests/CartItemTest.php

@@ -37,6 +37,7 @@ class CartItemTest extends TestCase
             ],
             'tax' => 0,
             'subtotal' => 20.00,
+            'discount' => 0.0
         ], $cartItem->toArray());
     }
 
@@ -48,7 +49,7 @@ class CartItemTest extends TestCase
 
         $this->assertJson($cartItem->toJson());
 
-        $json = '{"rowId":"07d5da5550494c62daf9993cf954303f","id":1,"name":"Some item","qty":2,"price":10,"options":{"size":"XL","color":"red"},"tax":0,"subtotal":20}';
+        $json = '{"rowId":"07d5da5550494c62daf9993cf954303f","id":1,"name":"Some item","qty":2,"price":10,"options":{"size":"XL","color":"red"},"discount":0,"tax":0,"subtotal":20}';
 
         $this->assertEquals($json, $cartItem->toJson());
     }

tests/CartTest.php

@@ -488,6 +488,7 @@ class CartTest extends TestCase
                 'tax' => 2.10,
                 'subtotal' => 10.0,
                 'options' => [],
+                'discount' => 0.0
             ],
             '370d08585360f5c568b18d1f2e4ca1df' => [
                 'rowId' => '370d08585360f5c568b18d1f2e4ca1df',
@@ -498,6 +499,7 @@ class CartTest extends TestCase
                 'tax' => 2.10,
                 'subtotal' => 10.0,
                 'options' => [],
+                'discount' => 0.0
             ]
         ], $content->toArray());
     }
@@ -913,7 +915,7 @@ class CartTest extends TestCase
 
         $user = Mockery::mock(Authenticatable::class);
 
-        event(new Logout($user));
+        event(new Logout(\Auth::guard('web'), $user));
     }
 
     /**