CashRegister Submission for Jonathan Fleet

.gitignore

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+
+#ignore thumbnails created by windows
+Thumbs.db
+#Ignore files build by Visual Studio
+*.obj
+*.exe
+*.pdb
+*.user
+*.aps
+*.pch
+*.vspscc
+*_i.c
+*_p.c
+*.ncb
+*.suo
+*.tlb
+*.tlh
+*.bak
+*.cache
+*.ilk
+*.log
+*.dll
+*.lib
+*.sbr
+bin/
+obj/
+packages/
+.vs/
+
+
+# .NET
+obj/
+bin/
+.vs/
+*.user
+
+# local env files
+.env.local
+.env.*.local

CashRegister.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31321.278
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CashRegister", "CashRegister\CashRegister.csproj", "{0665BD27-5519-4B5D-A292-FE2FC9932ADD}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CashRegisterTests", "CashRegisterTests\CashRegisterTests.csproj", "{F1439C9C-5A59-4716-9189-36A5D2F5CEFC}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0665BD27-5519-4B5D-A292-FE2FC9932ADD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0665BD27-5519-4B5D-A292-FE2FC9932ADD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0665BD27-5519-4B5D-A292-FE2FC9932ADD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0665BD27-5519-4B5D-A292-FE2FC9932ADD}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F1439C9C-5A59-4716-9189-36A5D2F5CEFC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F1439C9C-5A59-4716-9189-36A5D2F5CEFC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F1439C9C-5A59-4716-9189-36A5D2F5CEFC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F1439C9C-5A59-4716-9189-36A5D2F5CEFC}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {4370CBE7-F5AC-48A3-995F-3A0818052959}
+	EndGlobalSection
+EndGlobal

CashRegister/CashRegister.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CashRegister
+{
+    public class CashRegister : ICashRegister
+    {
+        private decimal Change;
+
+        public Change GetChange(decimal price, decimal totalPaid)
+        {
+            // Return Empty Change Object if inputs are less than 0
+            if(price < 0 || totalPaid < 0)
+            {
+                return new Change();
+            }
+            this.Change = totalPaid - price;
+            if ((price * 100) % 3 == 0)
+            {
+                return RandomChange();
+            }
+            else
+            {
+                return RegularChange();
+            }
+
+        }
+
+        private Change RandomChange()
+        {
+            Change ChangeReturn = new Change();
+            int randomNumber;
+            while (Change > 0)
+            {
+
+                randomNumber = new Random().Next(1, 6);
+
+                switch (randomNumber)
+                {
+                    case 1:
+                        if (Change >= 1.00M)
+                        {
+                            ChangeReturn.AddDollar();
+                            Change -= 1.00M;
+                        }
+                        break;
+                    case 2:
+                        if (Change >= 0.25M)
+                        {
+                            ChangeReturn.AddQuarter();
+                            Change -= 0.25M;
+                        }
+                        break;
+                    case 3:
+                        if (Change >= 0.10M)
+                        {
+                            ChangeReturn.AddDime();
+                            Change -= 0.10M;
+                        }
+                        break;
+                    case 4:
+                        if (Change >= 0.05M)
+                        {
+                            ChangeReturn.AddNickel();
+                            Change -= 0.05M;
+                        }
+                        break;
+                    case 5:
+                        if (Change >= 0.01M)
+                        {
+                            ChangeReturn.AddPenny();
+                            Change -= 0.01M;
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+
+            return ChangeReturn;
+        }
+
+        private Change RegularChange()
+        {
+            Change ChangeReturn = new Change();
+            while (Change > 0)
+            {
+                if (Change >= 1.00M)
+                {
+                    ChangeReturn.AddDollar();
+                    Change -= 1.00M;
+                }
+                else if (Change >= 0.25M)
+                {
+                    ChangeReturn.AddQuarter();
+                    Change -= 0.25M;
+                }
+                else if (Change >= 0.10M)
+                {
+                    ChangeReturn.AddDime();
+                    Change -= 0.10M;
+                }
+                else if (Change >= 0.05M)
+                {
+                    ChangeReturn.AddNickel();
+                    Change -= 0.05M;
+                }
+                else if (Change >= 0.01M)
+                {
+                    ChangeReturn.AddPenny();
+                    Change -= 0.01M;
+                }
+            }
+            return ChangeReturn;
+        } 
+    }
+}

CashRegister/CashRegister.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

CashRegister/Program.cs

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+using System;
+using System.Collections.Generic;
+
+namespace CashRegister
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+
+            ICashRegister cr = new CashRegister();
+            IReadService reader = new ReadService();
+            IWriteService writer = new WriteService();
+
+            List<decimal> output = new List<decimal>();
+
+            try
+            {
+                output = reader.ReadFile();
+            } catch (Exception e)
+            {
+                Console.WriteLine(e.Message);
+            }
+
+
+            List<Change> changeList = new List<Change>();
+
+            for (int i = 0; i < output.Count - 1; i += 2)
+            {
+                Change change = new Change();
+                change = cr.GetChange(output[i], output[i + 1]);
+                changeList.Add(change);
+            }
+
+            writer.WriteFile(changeList);
+
+        }
+    }
+}

CashRegister/Services/ReadService.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Reflection;
+
+namespace CashRegister
+{
+    public class ReadService : IReadService
+    {
+        private static string FileName { get; } = "input.txt";
+        //private static string Dir { get; } = Environment.CurrentDirectory;
+        //private static string outputDir { get; } = Path.GetDirectoryName(Assembly.GetExecutingAssembly().CodeBase);
+
+        private static readonly string WorkingDirectory = Directory.GetParent(Directory.GetParent(Directory.GetCurrentDirectory()).Parent.FullName).Parent.FullName;
+
+        private readonly string FilePath = Path.Combine(WorkingDirectory, FileName);
+
+        public List<decimal> ReadFile()
+        {
+
+
+
+            List<decimal> output = new List<decimal>();
+
+            try
+            {
+                using(StreamReader streamReader = new StreamReader(FilePath))
+                {
+                    while (!streamReader.EndOfStream)
+                    {
+                        string line = streamReader.ReadLine();
+                        string[] temp = new string[2];
+                        temp = line.Split(',');
+
+                        output.Add(decimal.Parse(temp[0]));
+                        output.Add(decimal.Parse(temp[1]));
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+
+                throw e;
+            }
+            return output;
+        }
+    }
+}