Paulvancoller techtest submission

TechTest/AnyCompany/AnyCompany.csproj

@@ -40,12 +40,25 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Customer.cs" />
-    <Compile Include="CustomerRepository.cs" />
-    <Compile Include="Order.cs" />
-    <Compile Include="OrderRepository.cs" />
-    <Compile Include="OrderService.cs" />
+    <Compile Include="Helpers\VatHelper.cs" />
+    <Compile Include="Models\Customer.cs" />
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+      <DependentUpon>Settings.settings</DependentUpon>
+    </Compile>
+    <Compile Include="Repositories\CustomerRepository.cs" />
+    <Compile Include="Models\Order.cs" />
+    <Compile Include="Repositories\OrderRepository.cs" />
+    <Compile Include="Services\OrderService.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

TechTest/AnyCompany/Helpers/VatHelper.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Specialized;
+
+namespace AnyCompany.Helpers
+{
+    /// <summary>
+    /// This class contains VAT helper functions.
+    /// </summary>
+    public static class VatHelper
+    {
+
+        /// <summary>
+        /// Finds the correct VAT rate in settings based on the given country.
+        /// </summary>
+        /// <param name="countryCode">The country code to use for the VAT lookup.</param>
+        public static double GetVatRateByCountry(string countryCode)
+        {
+            StringCollection vatSettings = Properties.Settings.Default.VatSettings;
+
+            foreach (string setting in vatSettings)
+            {
+                // Confirm that this settings matches the 'CountryCode:Rate' pattern, split into an array, and confirm the second array element is indeed double compatible.
+                if (setting.Contains(":"))
+                {
+                    string[] settingsPart = setting.Split(':');
+
+                    if (settingsPart.Length == 2 && settingsPart[0].Equals(countryCode, StringComparison.OrdinalIgnoreCase))
+                    {
+                        double testVal = 0;
+
+                        if (double.TryParse(settingsPart[1], out testVal))
+                        {
+                            return testVal;
+                        }
+                    }
+                }
+            }
+
+            return 0;
+        }
+    }
+}

TechTest/AnyCompany/Models/Customer.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+
+namespace AnyCompany.Models
+{
+    /// <summary>
+    /// This is the Customer Model
+    /// </summary>
+    public class Customer
+    {
+        public int CustomerId { get; set; }
+
+        public string Country { get; set; }
+
+        public DateTime DateOfBirth { get; set; }
+
+        public string Name { get; set; }
+
+        public List<Order> Orders { get; set; }
+
+        public Customer()
+        {
+            Orders = new List<Order>();
+        }
+    }
+}

TechTest/AnyCompany/Order.cs → TechTest/AnyCompany/Models/Order.cs

@@ -1,9 +1,14 @@
-namespace AnyCompany
+namespace AnyCompany.Models
 {
+    /// <summary>
+    /// This is the Order Model
+    /// </summary>
     public class Order
     {
         public int OrderId { get; set; }
         public double Amount { get; set; }
         public double VAT { get; set; }
+
+        public int CustomerId { get; set; }
     }
 }

TechTest/AnyCompany/Properties/Settings.settings

@@ -0,0 +1,18 @@
+<?xml version='1.0' encoding='utf-8'?>
+<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" GeneratedClassNamespace="AnyCompany.Properties" GeneratedClassName="Settings">
+  <Profiles />
+  <Settings>
+    <Setting Name="OrderConnectionString" Type="System.String" Scope="Application">
+      <Value Profile="(Default)">Data Source=(local);Database=Orders;User Id=admin;Password=password;</Value>
+    </Setting>
+    <Setting Name="CustomerConnectionString" Type="System.String" Scope="Application">
+      <Value Profile="(Default)">Data Source=(local);Database=Customers;User Id=admin;Password=password;</Value>
+    </Setting>
+    <Setting Name="VatSettings" Type="System.Collections.Specialized.StringCollection" Scope="Application">
+      <Value Profile="(Default)">&lt;?xml version="1.0" encoding="utf-16"?&gt;
+&lt;ArrayOfString xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"&gt;
+  &lt;string&gt;UK:0.2&lt;/string&gt;
+&lt;/ArrayOfString&gt;</Value>
+    </Setting>
+  </Settings>
+</SettingsFile>

TechTest/AnyCompany/Repositories/CustomerRepository.cs

@@ -0,0 +1,70 @@
+using AnyCompany.Models;
+using System;
+using System.Collections.Generic;
+using System.Data.SqlClient;
+
+namespace AnyCompany.Repositories
+{
+    /// <summary>
+    /// This is the Customer Repository, responsible for managing customer persistance and retrieval.
+    /// </summary>
+    public static class CustomerRepository
+    {
+        /// <summary>
+        /// This loads a Customer object.
+        /// </summary>
+        /// <param name="customerId">The Id of the customer this order is placed agains.</param>
+        public static Customer Load(int customerId)
+        {
+            Customer customer = new Customer();
+
+            SqlConnection connection = new SqlConnection(Properties.Settings.Default.CustomerConnectionString);
+            connection.Open();
+
+            SqlCommand command = new SqlCommand("SELECT * FROM Customer WHERE CustomerId = @CustomerId", connection);
+
+            command.Parameters.AddWithValue("@CustomerId", customerId);
+
+            var reader = command.ExecuteReader();
+
+            while (reader.Read())
+            {
+                customer.CustomerId = int.Parse(reader["CustomerId"].ToString());
+                customer.Name = reader["Name"].ToString();
+                customer.DateOfBirth = DateTime.Parse(reader["DateOfBirth"].ToString());
+                customer.Country = reader["Country"].ToString();
+            }
+
+            connection.Close();
+
+            return customer;
+        }
+
+        public static List<Customer> GetAll()
+        {
+            List<Customer> customers = new List<Customer>();
+
+            SqlConnection connection = new SqlConnection(Properties.Settings.Default.CustomerConnectionString);
+            connection.Open();
+
+            SqlCommand command = new SqlCommand("SELECT * FROM Customer", connection);
+
+            var reader = command.ExecuteReader();
+
+            while (reader.Read())
+            {
+                customers.Add(new Customer()
+                {
+                    CustomerId = int.Parse(reader["CustomerId"].ToString()),
+                    Name = reader["Name"].ToString(),
+                    DateOfBirth = DateTime.Parse(reader["DateOfBirth"].ToString()),
+                    Country = reader["Country"].ToString()
+                });
+            }
+
+            connection.Close();
+
+            return customers;
+        }
+    }
+}