Add discount properties (#246)

Add the discount to the productitems and the offer dto

Co-authored-by: Sven F. <sven.fillinger@qbic.uni-tuebingen.de>

Author: jenniferboedker

CHANGELOG.rst

@@ -11,6 +11,7 @@ This project adheres to `Semantic Versioning <https://semver.org/>`_.
 
 * A new enumeration for facilities ``life.qbic.datamodel.dtos.business.facilities.Facility`` (`#244 <https://github.com/qbicsoftware/data-model-lib/pull/244>`_)
 * New properties ``internalUnitPrice``, ``externalUnitPrice`` and ``serviceProvider`` for the ``life.qbic.datamodel.dtos.business.services.Product`` and its derivatives (`#245 <https://github.com/qbicsoftware/data-model-lib/pull/245>`_)
+* New properties ``totalPrice`` and ``totalDiscountPrice`` for the ``life.qbic.datamodel.dtos.business.ProductItem`` and ``totalDiscountPrice`` for the ``life.qbic.datamodel.dtos.business.Offer``
 
 **Fixed**
 

src/main/groovy/life/qbic/datamodel/dtos/business/Offer.groovy

@@ -72,6 +72,10 @@ class Offer {
      * The amount of overheads part, of the total price
      */
     final double overheads
+    /**
+     * The sum of all discounts for this offer
+     */
+    final double totalDiscountPrice
     /**
      * The identifier for the offer which makes it distinguishable from other offers
      */
@@ -132,6 +136,7 @@ class Offer {
          */
         double totalPrice
         double netPrice
+        double totalDiscountPrice
         double taxes
         double overheads
         double itemsWithOverheadNet
@@ -165,6 +170,7 @@ class Offer {
             this.overheads = 0
             this.taxes = 0
             this.totalPrice = 0
+            this.totalDiscountPrice = 0
             this.itemsWithOverhead = []
             this.itemsWithoutOverhead = []
             this.itemsWithOverheadNet = 0
@@ -263,6 +269,11 @@ class Offer {
             return this
         }
 
+        Builder totalDiscountPrice(double totalDiscountPrice){
+            this.totalDiscountPrice = totalDiscountPrice
+            return this
+        }
+
         Offer build() {
             return new Offer(this)
         }
@@ -306,6 +317,7 @@ class Offer {
         this.itemsWithOverheadNetPrice = builder.itemsWithOverheadNet
         this.itemsWithoutOverheadNetPrice = builder.itemsWithoutOverheadNet
         this.overheadRatio = builder.overheadRatio
+        this.totalDiscountPrice = builder.totalDiscountPrice
 
         if (builder.associatedProject.isPresent()) {
             this.associatedProject = Optional.of(builder.associatedProject.get())

src/main/groovy/life/qbic/datamodel/dtos/business/ProductItem.groovy

@@ -23,10 +23,38 @@ class ProductItem {
      */
     final Product product
 
+    /**
+     * Describes the total price of an item based on the quantity and unit price of a product
+     */
+    final double totalPrice
+
+    /**
+     * Describe the total discount price for a product (based on the quantity)
+     */
+    final double quantityDiscount
+
+    /**
+     *
+     * @param quantity The quantity of a product
+     * @param product The product for which an item is created
+     *
+     * @deprecated 2.11.0
+     */
+    @Deprecated
     ProductItem(double quantity, Product product) {
         this.quantity = quantity
         this.product = product
+        this.totalPrice = 0
+        this.quantityDiscount = 0
     }
 
-}
+    ProductItem(double quantity, Product product, double totalPrice, double quantityDiscount) {
+        this.quantity = quantity
+        this.product = product
+        this.totalPrice = totalPrice
+        this.quantityDiscount = quantityDiscount
+    }
 
+
+
+}