Handle the text file part of saving

TrackerLibrary/DataAccess/TextConnector.cs

@@ -2,15 +2,40 @@
 using System.Collections.Generic;
 using System.Text;
 using TrackerLibrary.Models;
+using TrackerLibrary.DataAccess.TextHelpers;
+using System.Linq;
 
 namespace TrackerLibrary.DataAccess
 {
     public class TextConnector : IDataConnection
     {
+        private const string PrizesFile = "PrizeModels.csv";
+
         // TODO - Wire up the createPrize for textFiles
         public PrizeModel CreatePrize(PrizeModel model)
         {
-            model.Id = 1;
+            // Load the text file 
+            // Convert the text to a List>PrizeModel>
+            List<PrizeModel> prizes = PrizesFile.FullFilePath().LoadFile().ConvertToPrizeModels();
+
+            // Find the max Id
+
+            int currentId = 1;
+
+            if (prizes.Count > 0)
+            {
+                currentId = prizes.OrderByDescending(x => x.Id).First().Id + 1;
+            }
+
+            model.Id = currentId;
+
+            // Add the new record with the new ID (max +1)
+            prizes.Add(model);
+
+            // Convert the prizes to a List<string>
+            // Save the list<String> to the text file 
+            prizes.SaveToPrizeFile(PrizesFile);
+
             return model;
         }
     }

TrackerLibrary/DataAccess/TextConnectorProcessor.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using TrackerLibrary.Models;
+
+namespace TrackerLibrary.DataAccess.TextHelpers
+{
+    public static class TextConnectorProcessor
+    {
+        public static string FullFilePath(this string fileName) // PrizeModel.csv
+        {
+            return $"{ConfigurationManager.AppSettings["filePath"]}\\{fileName}";
+        }
+
+        public static List<string> LoadFile(this string file)
+        {
+            if (!File.Exists(file))
+            {
+                return new List<string>();
+            }
+            return File.ReadAllLines(file).ToList();
+        }
+
+        public static List<PrizeModel> ConvertToPrizeModels(this List<string> lines)
+        {
+            List<PrizeModel> output = new List<PrizeModel>();
+
+            foreach (string line in lines)
+            {
+                string[] cols = line.Split(',');
+                PrizeModel p = new PrizeModel();
+                p.Id = int.Parse(cols[0]);
+                p.PlaceNumber = int.Parse(cols[1]);
+                p.PlaceName = cols[2];
+                p.PrizeAmount = decimal.Parse(cols[3]);
+                p.PrizePercentage = double.Parse(cols[4]);
+                output.Add(p);
+            }
+
+            return output;
+        }
+
+        public static void SaveToPrizeFile(this List<PrizeModel> models, string fileName)
+        {
+            List<string> lines = new List<string>();
+
+            foreach (PrizeModel p in models)
+            {
+                lines.Add($"{p.Id},{p.PlaceNumber},{p.PlaceName}, {p.PrizeAmount}, {p.PrizePercentage}");
+            }
+            File.WriteAllLines(fileName.FullFilePath(), lines);
+        }
+    }
+}