VisualStudio2015

1.0

VisualStudi2015.psm1

function RetrievePackages
{
    param($path, $registry)
    
    $packages = @()
    $key = $registry.OpenSubKey($path) 
    $subKeys = $key.GetSubKeyNames() |% {
        $subKeyPath = $path + "\\" + $_ 
        $packageKey = $registry.OpenSubKey($subKeyPath) 
        $package = New-Object PSObject 
        $package | Add-Member -MemberType NoteProperty -Name "DisplayName" -Value $($packageKey.GetValue("DisplayName"))
        $package | Add-Member -MemberType NoteProperty -Name "UninstallString" -Value $($packageKey.GetValue("UninstallString")) 
        $packages += $package    
    }
    return $packages
}

function Get-InstalledSoftwares
{
    $installedSoftwares = @{}
    $path = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall" 
    $registry32 = [microsoft.win32.registrykey]::OpenBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, [Microsoft.Win32.RegistryView]::Registry32)
    $registry64 = [microsoft.win32.registrykey]::OpenBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, [Microsoft.Win32.RegistryView]::Registry64)
    $packages = RetrievePackages $path $registry32
    $packages += RetrievePackages $path $registry64

    $packages.Where({$_.DisplayName}) |% { 
        if(-not($installedSoftwares.ContainsKey($_.DisplayName)))
        {
            $installedSoftwares.Add($_.DisplayName, $_) 
        }
    }
    $installedSoftwares.Values
}

$ErrorActionPreference = "Stop"

function Test-CurrentUserAdmin
{
    [CmdletBinding()]
    param()

    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
    $principal = $identity -as [Security.Principal.WindowsPrincipal]
    if($principal -eq $null)
    {
        throw "Failed to intiailize the windows principal instance from windows identity of the current user"
    }
    if(-not($principal.IsInRole("Administrators")))
    {
        throw "The current user is not added to the Adminstrators group. Start the installation using an Admin account"
    }
    else
    {
        "The current user is an administrator. Installation will start now" | Write-Verbose
    }
}

function Get-VisualStudio2015
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory=$false, Position=0)]
        [Path] $Path = $Env:Temp
    )
    $uri = "http://download.microsoft.com/download/0/B/C/0BC321A4-013F-479C-84E6-4A2F90B11269/vs_community.exe"
    

    if(-not(Test-VisualStudio2015))
    {
        if(-not(Test-CurrentUserAdmin))
        {
            throw "An administrator session is required for installation"
        }

        "Downloading VS2015 to $Path" | Write-Verbose

        $fileName = $uri.SubString($uri.LastIndexOf("/") + 1)

        Invoke-WebRequest -Uri $uri -OutFile (Join-Path $Path $fileName)

        "Installing VS2015" | Write-Verbose

         $adminDeployment = (Join-Path $PSScriptRoot 'AdminDeployment.xml')

        $args = "/Quiet /NoRestart /Log $Env:Temp\VisualStudio2015_Install.log"
        if(-not (Test-Path $adminDeployment))
        {
            "An admin file not found. Skipping the admin deployment file" | Write-Warning
        }
        else
        {
            $args += " /AdminFile $adminDeployment "
        }
        
        Start-Process -FilePath (Join-Path $Path $fileName) -ArgumentList $args -Wait -NoNewWindow  
    }
    else
    {
        "Visual Studio already installed on your machine. Skipping the installation" | Write-Warning
    }
}

function Test-VisualStudio2015
{
    $package = Get-InstalledSoftwares |? {$_.DisplayName.Contains('Microsoft Visual Studio Community 2015')}
    return $package -ne $null
}

function Remove-VisualStudio2015
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory=$false, Position=0)]
        [Path] $Path = $Env:Temp
    )
    $uri = "http://download.microsoft.com/download/0/B/C/0BC321A4-013F-479C-84E6-4A2F90B11269/vs_community.exe"

    if((Test-VisualStudio2015))
    {
        if(-not(Test-CurrentUserAdmin))
        {
            throw "An administrator session is required for uninstallation"
        }

        "Downloading VS2015 to $Path" | Write-Verbose

        $fileName = $uri.SubString($uri.LastIndexOf("/") + 1)

        Invoke-WebRequest -Uri $uri -OutFile (Join-Path $Path $fileName)

        "Removing VS2015" | Write-Verbose

        $args = "/Quiet /Force /Uninstall /Log $Env:Temp\VisualStudio2015_Uninstall.log"

        Start-Process -FilePath (Join-Path $Path $fileName) -ArgumentList $args -Wait -NoNewWindow  
    }
    else
    {
        "Visual Studio is not installed on your machine. Skipping the uninstallation" | Write-Warning
    }
}


Export-ModuleMember *VisualStudio2015