feat(v1-contexts): Added method for changing order items' manual discounts

Author: cmath10

packages/v1-contexts/src/common/order/card.ts

@@ -15,7 +15,7 @@ import {
   cortegeOf,
   isExactly,
   isNull,
-  isNumber,
+  isNumber, isShape,
   isString,
   isVoid,
   oneOf,
@@ -487,6 +487,13 @@ export const actions: ActionSchema<MethodList> = {
     ),
     expects: isVoid,
   },
+  'changeItemDiscount': {
+    accepts: cortegeOf([isNumber, isShape({
+      amount: [isNumber, false],
+      percent: [isNumber, false],
+    }, '{ amount: number|undefined, percent: number|undefined }')], ['index', 'discount']),
+    expects: isVoid,
+  },
   'changeItemQuantity': {
     accepts: cortegeOf(
       [isNumber, isNumber],
@@ -516,6 +523,11 @@ export const actionsDescription: ObjectDescription<ActionSchema<MethodList>> = {
     'es-ES': 'Cambia el valor del tipo de precio de un artículo, cambia el precio si el nuevo tipo de precio no está vacío',
     'ru-RU': 'Изменяет значение типа цены товарной позиции, изменяет цену, если новый тип цены не пуст',
   },
+  'changeItemDiscount': {
+    'en-GB': 'Changes the discount value of an item',
+    'es-ES': 'Cambia el valor del descuento de un artículo',
+    'ru-RU': 'Изменяет значение скидки товарной позиции',
+  },
   'changeItemQuantity': {
     'en-GB': 'Changes the quantity of an item',
     'es-ES': 'Cambia la cantidad de un artículo',

packages/v1-contexts/types/order/card.d.ts

@@ -46,6 +46,10 @@ export type MethodList = {
   createItem: (input: CreateOrderItemInput) => Promise<number>;
   changeItemPrice: (index: number, amount: number) => void;
   changeItemPriceType: (index: number, code: string | null) => Promise<void>;
+  changeItemDiscount: (index: number, discount: {
+    amount: number | undefined;
+    percent: number | undefined;
+  }) => void;
   changeItemQuantity: (index: number, quantity: number) => void;
   removeItem: (index: number) => void;
 }