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Piotr-SzperkaPiotr-Szperka
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‎Adia.Ssn.Tests/Adia.Ssn.Tests.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netcoreapp3.1</TargetFramework>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="nunit" Version="3.12.0" />
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<PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\Adia.SsnValidator\Adia.SsnValidator.csproj" />
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</ItemGroup>
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</Project>

‎Adia.Ssn.Tests/SsnValidatorFactoryTests.cs‎

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using System;
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using Adia.SsnValidator;
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using Adia.SsnValidator.Validators;
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using NUnit.Framework;
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namespace Adia.Ssn.Tests
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{
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public class SsnValidatorFactoryTests
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{
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private SsnValidatorFactory _factory;
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[SetUp]
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public void Setup()
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{
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_factory = new SsnValidatorFactory();
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}
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[Test]
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public void SelectCorrectValidatorForCountry()
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{
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var validator = _factory.Create(CountryCode.CH);
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Assert.That(validator, Is.TypeOf(typeof(AhvValidator)));
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}
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[Test]
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public void ThrowExceptionForUnsupportedCountry()
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{
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Assert.Throws<NotSupportedException>(() => _factory.Create((CountryCode) 100));
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}
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}
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}

‎Adia.Ssn.Tests/Validators/AhvValidatorTests.cs‎

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using Adia.SsnValidator.Validators;
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using NUnit.Framework;
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namespace Adia.Ssn.Tests.Validators
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{
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[TestFixture]
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public class AhvValidatorTests
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{
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private AhvValidator _validator;
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[SetUp]
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public void Setup()
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{
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_validator = new AhvValidator();
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}
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[Test]
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[TestCase("756.4089.0811.50", true)]
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[TestCase("756.5220.1643.81", true)]
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[TestCase("756.5837.4745.52", true)]
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[TestCase("756.1656.9672.13", true)]
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[TestCase("756.6168.0333.64", true)]
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[TestCase("756.0246.1057.45", true)]
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[TestCase("756.8478.9370.66", true)]
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[TestCase("756.0298.4726.97", true)]
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[TestCase("756.5113.6381.28", true)]
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[TestCase("756.5466.9658.89", true)]
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[TestCase("7561656967213", true)]
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[TestCase("756.1234.5678.95", false)]
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[TestCase("7561234567895", false)]
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[TestCase("75612345648955", false)]
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public void ValidateAhvNumberAsExpected(string ssn, bool expectedResult)
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{
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var result = _validator.Validate(ssn);
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Assert.That(result, Is.EqualTo(expectedResult));
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}
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}
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}

‎Adia.SsnValidator/Adia.SsnValidator.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netstandard2.0</TargetFramework>
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<Version>0.0.1</Version>
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<Authors>PiotrSzperka</Authors>
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<Company>Adia</Company>
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<Description>C# library for validating SSN number for countries supported by Adia</Description>
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<Copyright>Adia</Copyright>
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<PackageLicenseFile>LICENSE</PackageLicenseFile>
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<PackageProjectUrl>https://github.com/adia-technology/Adia.SsnValidator</PackageProjectUrl>
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<RepositoryUrl>https://github.com/adia-technology/Adia.SsnValidator</RepositoryUrl>
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<RepositoryType>Library</RepositoryType>
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<PackageTags>SSN AHV validator</PackageTags>
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<GeneratePackageOnBuild>false</GeneratePackageOnBuild>
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</PropertyGroup>
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</Project>

‎Adia.SsnValidator/Adia.SsnValidator.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.29911.84
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Adia.SsnValidator", "Adia.SsnValidator.csproj", "{57B3C10F-9B13-496E-9328-A2E5806F89C5}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Adia.Ssn.Tests", "..\Adia.Ssn.Tests\Adia.Ssn.Tests.csproj", "{89E2FC82-E62F-45A9-88D5-0A9A6121278F}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{57B3C10F-9B13-496E-9328-A2E5806F89C5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{57B3C10F-9B13-496E-9328-A2E5806F89C5}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{57B3C10F-9B13-496E-9328-A2E5806F89C5}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{57B3C10F-9B13-496E-9328-A2E5806F89C5}.Release|Any CPU.Build.0 = Release|Any CPU
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{89E2FC82-E62F-45A9-88D5-0A9A6121278F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{89E2FC82-E62F-45A9-88D5-0A9A6121278F}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{89E2FC82-E62F-45A9-88D5-0A9A6121278F}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{89E2FC82-E62F-45A9-88D5-0A9A6121278F}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {2641EDDB-3CFE-42F3-A4CC-14D8EA9543D8}
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EndGlobalSection
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EndGlobal

‎Adia.SsnValidator/Adia.SsnValidator.sln.DotSettings‎

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<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
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<s:Boolean x:Key="/Default/UserDictionary/Words/=Adia/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

‎Adia.SsnValidator/CountryCode.cs‎

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namespace Adia.SsnValidator
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{
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public enum CountryCode
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{
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CH
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}
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}

‎Adia.SsnValidator/SsnValidatorFactory.cs‎

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using System;
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using Adia.SsnValidator.Validators;
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namespace Adia.SsnValidator
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{
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public class SsnValidatorFactory
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{
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public IValidator Create(CountryCode country)
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{
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switch (country)
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{
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case CountryCode.CH:
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return new AhvValidator();
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default:
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throw new NotSupportedException("Your country is not supported");
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}
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}
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}
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}

‎Adia.SsnValidator/Validators/AhvValidator.cs‎

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using System;
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using System.Linq;
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namespace Adia.SsnValidator.Validators
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{
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public class AhvValidator : IValidator
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{
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public bool Validate(string ahv)
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{
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var ahv13 = ahv.Where(char.IsDigit).ToArray();
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if(ahv13.Count() != 13)
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{
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return false;
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}
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var ahv12 = ahv13.Take(12).Reverse().ToArray();
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var totalChecksum = 0;
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for (var i = 0; i < 12; i++)
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{
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var number = int.Parse(ahv12[i].ToString());
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if (i % 2 == 0)
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{
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totalChecksum += 3 * number;
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}
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else
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{
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totalChecksum += number;
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}
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}
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var nextTimesTen = Math.Ceiling(totalChecksum / 10.0) * 10;
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var checksumDigit = (int)nextTimesTen - totalChecksum;
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return checksumDigit == int.Parse(ahv.Last().ToString());
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}
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}
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}

‎Adia.SsnValidator/Validators/IValidator.cs‎

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namespace Adia.SsnValidator.Validators
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{
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public interface IValidator
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{
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bool Validate(string ssn);
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}
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}

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