From 21f9bfaee3b6c85796eda8bbf30e46ae229e7865 Mon Sep 17 00:00:00 2001
From: Heindrich Paul <heindrichpaul@Heindrichs-MacBook-Pro.local>
Date: Thu, 30 May 2019 14:01:36 +0200
Subject: [PATCH] added marshalling to deckofCards Pile

---
 pile.go      | 15 +++++++++++++++
 pile_test.go | 22 ++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/pile.go b/pile.go
index 20db8e0..e408885 100644
--- a/pile.go
+++ b/pile.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"strings"
 
+	jsoniter "github.com/json-iterator/go"
 	"github.com/twinj/uuid"
 )
 
@@ -175,3 +176,17 @@ func (z *Pile) GetCardAtID(index int) (*Draw, error) {
 	draw.Success = true
 	return draw, nil
 }
+
+//UnmarshalPile unmarshals a byte array into a pointer to a Pile for internal use.
+func UnmarshalPile(data []byte) (*Pile, error) {
+	var r Pile
+	json := jsoniter.ConfigCompatibleWithStandardLibrary
+	err := json.Unmarshal(data, &r)
+	return &r, err
+}
+
+//Marshal marshals a pointer to a Pile into a byte array for transmission.
+func (z *Pile) Marshal() ([]byte, error) {
+	json := jsoniter.ConfigCompatibleWithStandardLibrary
+	return json.Marshal(z)
+}
diff --git a/pile_test.go b/pile_test.go
index 31f441d..5e9f9f0 100644
--- a/pile_test.go
+++ b/pile_test.go
@@ -319,3 +319,25 @@ func TestPileString(t *testing.T) {
 		t.FailNow()
 	}
 }
+
+func TestPileUnmarshal(t *testing.T) {
+	pile := NewPile()
+	marshalPile, err := pile.Marshal()
+	if err != nil {
+		t.Logf("There was an error marshaling the pile: %s\n", err.Error())
+		t.FailNow()
+	}
+	upile, err := UnmarshalPile(marshalPile)
+	if err != nil {
+		t.Logf("There was an error unmarshaling the pile: %s\n", err.Error())
+		t.FailNow()
+	}
+	if pile.PileID != upile.PileID {
+		t.Logf("The PileID's do not match\n")
+		t.FailNow()
+	}
+	if pile.Remaining != upile.Remaining {
+		t.Logf("The Remaining cards do not match\n")
+		t.FailNow()
+	}
+}