From e777427de8643983b6a4b41832875b333e7d653b Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Fri, 15 Apr 2016 14:58:45 +0100
Subject: [PATCH] Add JSON storage engine

---
 Product.cs | 10 +++++++++-
 Storage.cs | 21 +++++++++++++++++++++
 UI.cs      | 14 +++++++++++++-
 3 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/Product.cs b/Product.cs
index 1743303..686be34 100644
--- a/Product.cs
+++ b/Product.cs
@@ -1,5 +1,5 @@
 using System;
-
+using Newtonsoft.Json;
 
 namespace productlist
 {
@@ -27,6 +27,14 @@ namespace productlist
 			return String.Format ("Product {0}", this.name);
 		}
 
+		public string serialize() {
+			return JsonConvert.SerializeObject (this);
+		}
+
+		public static Product fromJSON(string json) {
+			return JsonConvert.DeserializeObject<Product> (json);
+		}
+
 		public void display() {
 			string output = String.Format(@"
 {0}
diff --git a/Storage.cs b/Storage.cs
index 078b4fa..97be652 100644
--- a/Storage.cs
+++ b/Storage.cs
@@ -1,16 +1,37 @@
 using System;
 using System.Collections.Generic;
+using Newtonsoft.Json;
 
 namespace productlist
 {
 	public static class Storage
 	{
 		private static List<Product> productStorageList = new List<Product>();
+		private static readonly string filePath = @"data.json";
 
 		public static void Add(Product p) {
 			productStorageList.Add (p);
 		}
 
+		public static void dump() {
+			if (productStorageList.Count < 1) {
+				Console.WriteLine ("Nothing to dump");
+				return;
+			}
+			string json = JsonConvert.SerializeObject (productStorageList);
+			System.IO.File.WriteAllText (filePath, json);
+
+		}
+
+		public static void load() {
+			if (!System.IO.File.Exists (filePath)) {
+				Console.WriteLine ("Data file not found!");
+				return;
+			}
+			string text = System.IO.File.ReadAllText (filePath);
+			productStorageList = JsonConvert.DeserializeObject<List<Product>> (text);
+		}
+
 		private static void listProducts() {
 			if (productStorageList.Count < 1) {
 				Console.WriteLine ("No Products found!");
diff --git a/UI.cs b/UI.cs
index 7abd907..c1cd5a2 100644
--- a/UI.cs
+++ b/UI.cs
@@ -8,7 +8,9 @@ namespace productlist
 			create,
 			delete,
 			list,
-			help
+			help,
+			dump,
+			load
 		}
 		private static inputType decodeInputType(string input) {
 			string command = input.Split (null, 1)[0];
@@ -22,6 +24,10 @@ namespace productlist
 			default:
 			case "help":
 				return inputType.help;
+			case "dump":
+				return inputType.dump;
+			case "load":
+				return inputType.load;
 			}
 		}
 
@@ -56,6 +62,12 @@ namespace productlist
 				case inputType.list:
 					Storage.List ();
 					break;
+				case inputType.dump:
+					Storage.dump ();
+					break;
+				case inputType.load:
+					Storage.load ();
+					break;
 				}
 			}
 		}