feat: add client orders errors

Author: vitlinda

client-orders/src/main/scala/dev/atedeg/mdm/clientorders/Errors.scala

@@ -0,0 +1,28 @@
+package dev.atedeg.mdm.clientorders
+
+import dev.atedeg.mdm.products.Product
+
+/**
+ * An error that may be produced by the [[palletizeProductForOrder palletization action]].
+ */
+enum PalletizationError:
+  /**
+   * Raised when trying to palletize a [[Product product]] for an [[Order.InProgressOrder order]] that does not require
+   * it.
+   */
+  case ProductNotInOrder()
+
+  /**
+   * Raised when trying to palletize more of a [[Product product]] than required.
+   */
+  case PalletizedMoreThanRequired(requiredQuantity: Quantity)
+
+/**
+ * An error that may be produced by the [[completeOrder() order completion action]].
+ */
+enum OrderCompletionError:
+  /**
+   * Raised when trying to mark an [[Order.InProgressOrder order]] as [[Order.CompletedOrder completed]] when any of its
+   * [[Order.InProgressOrderLine lines]] are not completed.
+   */
+  case OrderNotComplete()