Merge pull request #681 from NickMolloy/add_line_item_discount_amount

Add discount amount to invoice line item model

src/XeroPHP/Models/Accounting/Invoice/LineItem.php

@@ -81,6 +81,13 @@ class LineItem extends Remote\Model
      * @property string DiscountRate
      */
 
+    /**
+     * Discount amount being applied to a line item (only supported on ACCREC invoices – ACC PAY
+     * invoices and credit notes in Xero do not support discounts.
+     *
+     * @property float DiscountAmount
+     */
+
     /**
      * Get the resource uri of the class (Contacts) etc.
      *
@@ -154,6 +161,7 @@ public static function getProperties()
             'LineAmount' => [false, self::PROPERTY_TYPE_FLOAT, null, false, false],
             'Tracking' => [false, self::PROPERTY_TYPE_OBJECT, 'Accounting\\TrackingCategory', true, false],
             'DiscountRate' => [false, self::PROPERTY_TYPE_STRING, null, false, false],
+            'DiscountAmount' => [false, self::PROPERTY_TYPE_FLOAT, null, false, false],
         ];
     }
 
@@ -395,4 +403,25 @@ public function setDiscountRate($value)
 
         return $this;
     }
+
+    /**
+     * @return float
+     */
+    public function getDiscountAmount()
+    {
+        return $this->_data['DiscountAmount'];
+    }
+
+    /**
+     * @param float $value
+     *
+     * @return LineItem
+     */
+    public function setDiscountAmount($value)
+    {
+        $this->propertyUpdated('DiscountAmount', $value);
+        $this->_data['DiscountAmount'] = $value;
+
+        return $this;
+    }
 }