James Taylor tech-test

TechTest/AddCustomers.sql

@@ -0,0 +1,17 @@
+USE [Customers]
+GO
+
+-- The initial customer table
+IF (NOT EXISTS (SELECT * 
+                 FROM INFORMATION_SCHEMA.TABLES 
+                 WHERE TABLE_SCHEMA = 'dbo' 
+                 AND  TABLE_NAME = 'Customer'))
+BEGIN
+    CREATE TABLE [dbo].[Customer]
+	(
+		[CustomerId] INT NOT NULL PRIMARY KEY IDENTITY(1,1), 
+		[Name] NVARCHAR(100) NOT NULL,
+		[Country] VARCHAR(2) NOT NULL,
+		[DateOfBirth] DATETIME NOT NULL
+	)
+END

TechTest/AddOrders.sql

@@ -0,0 +1,25 @@
+USE [Orders]
+GO
+
+-- base table
+IF (NOT EXISTS (SELECT * 
+                 FROM INFORMATION_SCHEMA.TABLES 
+                 WHERE TABLE_SCHEMA = 'dbo' 
+                 AND  TABLE_NAME = 'Orders'))
+BEGIN
+    CREATE TABLE [dbo].[Orders]
+	(
+		[OrderId] INT NOT NULL PRIMARY KEY, 
+		[Amount] DECIMAL(10, 2) NOT NULL,
+		[VAT] DECIMAL(10, 2) NOT NULL
+	)
+END
+
+-- first migration
+IF NOT EXISTS(SELECT 1 FROM sys.columns 
+          WHERE Name = N'CustomerId'
+          AND Object_ID = Object_ID(N'dbo.Orders'))
+BEGIN
+    ALTER TABLE dbo.Orders
+	ADD CustomerId INT NOT NULL DEFAULT 0;
+END

TechTest/AnyCompany.Data.Contract/AnyCompany.Data.Contract.csproj

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{7F4D6121-26EF-48A2-A2F4-BBD5D114D8E7}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>AnyCompany.Data.Contract</RootNamespace>
+    <AssemblyName>AnyCompany.Data.Contract</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Repositories\ICustomerRepository.cs" />
+    <Compile Include="Repositories\IOrderRepository.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\AnyCompany.Models\AnyCompany.Models.csproj">
+      <Project>{695D4D06-2336-4B91-BA68-4A4924CF4729}</Project>
+      <Name>AnyCompany.Models</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

TechTest/AnyCompany.Data.Contract/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("AnyCompany.Data.Contract")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("AnyCompany.Data.Contract")]
+[assembly: AssemblyCopyright("Copyright ©  2019")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("7f4d6121-26ef-48a2-a2f4-bbd5d114d8e7")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

TechTest/AnyCompany.Data.Contract/Repositories/ICustomerRepository.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+using AnyCompany.Models;
+
+namespace AnyCompany.Data.Contract.Repositories
+{
+    public interface ICustomerRepository
+    {
+        Customer Load(int customerId);
+        IEnumerable<Customer> GetList();
+    }
+}

TechTest/AnyCompany.Data.Contract/Repositories/IOrderRepository.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+using AnyCompany.Models;
+
+namespace AnyCompany.Data.Contract.Repositories
+{
+    public interface IOrderRepository
+    {
+        void Add(Order order);
+        IEnumerable<Order> GetList();
+    }
+}

TechTest/AnyCompany.Data.Dapper/AnyCompany.Data.Dapper.csproj

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{CEF90CEA-CEDF-44B4-9203-9B9ADF9A15CE}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>AnyCompany.Data.Dapper</RootNamespace>
+    <AssemblyName>AnyCompany.Data.Dapper</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Dapper, Version=1.60.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Dapper.1.60.6\lib\net451\Dapper.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Configuration" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Enums\ConnectionType.cs" />
+    <Compile Include="Factories\ConnectionFactory.cs" />
+    <Compile Include="Factories\IConnectionFactory.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Repositories\CustomerRepository.cs" />
+    <Compile Include="Repositories\CustomerRepositoryWrapper.cs" />
+    <Compile Include="Repositories\OrderRepository.cs" />
+    <Compile Include="Sql\SqlStatements.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>SqlStatements.resx</DependentUpon>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\AnyCompany.Data.Contract\AnyCompany.Data.Contract.csproj">
+      <Project>{7F4D6121-26EF-48A2-A2F4-BBD5D114D8E7}</Project>
+      <Name>AnyCompany.Data.Contract</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\AnyCompany.Models\AnyCompany.Models.csproj">
+      <Project>{695D4D06-2336-4B91-BA68-4A4924CF4729}</Project>
+      <Name>AnyCompany.Models</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Sql\SqlStatements.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>SqlStatements.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

TechTest/AnyCompany.Data.Dapper/Enums/ConnectionType.cs

@@ -0,0 +1,8 @@
+namespace AnyCompany.Data.Dapper.Enums
+{
+    public enum ConnectionType
+    {
+        CustomerDb = 0,
+        OrderDb = 1
+    }
+}

TechTest/AnyCompany.Data.Dapper/Factories/ConnectionFactory.cs

@@ -0,0 +1,27 @@
+using System.Data;
+using System.Data.SqlClient;
+using AnyCompany.Data.Dapper.Enums;
+
+namespace AnyCompany.Data.Dapper.Factories
+{
+    public class ConnectionFactory : IConnectionFactory
+    {
+        private readonly string _customerConnectionString;
+        private readonly string _orderDbConnectionString;
+
+        public ConnectionFactory(string customerConnectionString, string orderDbConnectionString)
+        {
+            _customerConnectionString = customerConnectionString;
+            _orderDbConnectionString = orderDbConnectionString;
+        }
+
+        public IDbConnection Create(ConnectionType connectionType)
+        {
+            var connectionString = connectionType == ConnectionType.CustomerDb
+                ? _customerConnectionString
+                : _orderDbConnectionString;
+
+            return new SqlConnection(connectionString);
+        }
+    }
+}

TechTest/AnyCompany.Data.Dapper/Factories/IConnectionFactory.cs

@@ -0,0 +1,10 @@
+using System.Data;
+using AnyCompany.Data.Dapper.Enums;
+
+namespace AnyCompany.Data.Dapper.Factories
+{
+    public interface IConnectionFactory
+    {
+        IDbConnection Create(ConnectionType connectionType);
+    }
+}

TechTest/AnyCompany.Data.Dapper/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("AnyCompany.Data.Dapper")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("AnyCompany.Data.Dapper")]
+[assembly: AssemblyCopyright("Copyright ©  2019")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("cef90cea-cedf-44b4-9203-9b9adf9a15ce")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

TechTest/AnyCompany.Data.Dapper/Repositories/CustomerRepository.cs

@@ -0,0 +1,23 @@
+using System.Configuration;
+using System.Data.SqlClient;
+using System.Linq;
+using AnyCompany.Data.Dapper.Sql;
+using AnyCompany.Models;
+using Dapper;
+
+namespace AnyCompany.Data.Dapper.Repositories
+{
+    public static class CustomerRepository
+    {
+        public static Customer Load(int customerId)
+        {
+            var connectionString = ConfigurationManager.ConnectionStrings["CustomerConnectionString"].ConnectionString;
+            using (var connection = new SqlConnection(connectionString))
+            {
+                connection.Open();
+                return connection.Query<Customer>(SqlStatements.LoadCustomerById,
+                    new {CustomerId = customerId}).FirstOrDefault();
+            }
+        }
+    }
+}

TechTest/AnyCompany.Data.Dapper/Repositories/CustomerRepositoryWrapper.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Linq;
+using AnyCompany.Data.Contract.Repositories;
+using AnyCompany.Data.Dapper.Enums;
+using AnyCompany.Data.Dapper.Factories;
+using AnyCompany.Data.Dapper.Sql;
+using AnyCompany.Models;
+using Dapper;
+
+namespace AnyCompany.Data.Dapper.Repositories
+{
+    public class CustomerRepositoryWrapper : ICustomerRepository
+    {
+        private readonly IConnectionFactory _connectionFactory;
+
+        public CustomerRepositoryWrapper(IConnectionFactory connectionFactory)
+        {
+            _connectionFactory = connectionFactory;
+        }
+
+        // using this to act as a proxy to the static CustomerRepository - I assumed this was legacy that 
+        // we're trying to abstract and eventually replace
+        public Customer Load(int customerId)
+        {
+            return CustomerRepository.Load(customerId);
+        }
+
+        public IEnumerable<Customer> GetList()
+        {
+            using (var connection = _connectionFactory.Create(ConnectionType.CustomerDb))
+            {
+                connection.Open();
+                return connection.Query<Customer>(SqlStatements.GetAllCustomers).ToList();
+            }
+        }
+    }
+}