Export-Page.ps1

<#
    .SYNOPSIS
        Extracts the compressed file to to the specified directory.

    .PARAMETER Item
        Specifies the item to be exported as PDF/JPG/PNG.
        
    .EXAMPLE
        The following eports the Home page by piping an item into the cmdlet.
        
        PS C:\> Get-Item "master:\content\home" | Export-Pdf
    
    .EXAMPLE
        The following eports the Home page by specifying its path.
        
        PS C:\> Export-Pdf "master:\content\home"

    .INPUT
        You can pipe a string that contains a path to an existing archive file.
        
        - System.String
        
    .OUTPUT

        - System.IO.FileInfo or System.IO.DirectoryInfo
        
    .NOTES
        Adam Najmanowicz
    
    .LINK
        http://phantomjs.org/screen-capture.html
#>

function Export-Pdf{
   [CmdletBinding()]
   param(
        [Parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true, ParameterSetName="Item")]
        [ValidateNotNullOrEmpty()]
        [Sitecore.Data.Items.Item]$Item,
        [Parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true, ParameterSetName="Path")]
        [ValidateNotNullOrEmpty()]
        [string]$Path,
        [Parameter(Mandatory=$false, Position=1,ParameterSetName="Path")]
        [string]$Language,
        [Parameter(Mandatory=$false, Position=2)]
        [string]$fileFormat = "pdf",
        [Parameter(Mandatory=$false, Position=3)]
        [int]$width = 960,
        [Parameter(Mandatory=$false, Position=4)]
        [int]$height = 480,
        [Parameter(Mandatory=$false, Position=5)]
        [string]$format = "A4",
        [Parameter(Mandatory=$false, Position=6)]
        $orientation = "portrait",
        [Parameter(Mandatory=$false, Position=7)]
        $zoomFactor = 100,
        [Parameter(Mandatory=$false, Position=8)]
        [Switch]$Interactive = $false
        )

    if(-not [string]::IsNullOrEmpty($Path)){
        if($Language -eq $null){
            $Item = Get-Item $Path
        } else {
            $Item = Get-Item $Path -Language $Language
        }
    }

    $Interactive = $Interactive -and $host.PrivateData.Interactive
    
    if (-not [Sitecore.Pipelines.HasPresentation.HasPresentationPipeline]::Run($Item)) {
        if($interactive){
            Show-Alert "The item does not have presentation."
        } else {
            Write-Error "The item does not have presentation."
        }
        exit -1;
    }
    if($Interactive){
        $configuration = @{
            Parameters = @(
                @{Name="fileFormat"; Title="<br/>Output format"; Options=@{"PDF"="pdf"; "JPG"="jpg"; "PNG"="png"}; Tab="Format"};
                @{Name="format"; Title="Page format"; Options=@{"A4"="A4"; "Letter"="Letter"; "Legal"="Legal"}; Columns="6"; Tab="PDF"};
                @{Name="zoomFactor"; Title="Zoom %"; Columns="6"; Tab="Format"};
                @{Name="maininfo"; Title="<br/><br/>The published version of the page will be exported. <br/>Make sure the page is published prior to exporting."; Tooltip="<br/>Page needs to be published"; Editor="info"; Tab="Format"};
                @{Name="orientation"; Title="Page orientation"; Options=@{"Portrait"="portrait";"Landscape"="landscape"}; Columns="6"; Tab="PDF"};
                @{Name="margin"; Title="Margin (in inches)"; Value="0.5"; Columns="6"; Tab="PDF"};
                @{Name="width"; Title="Width"; Columns="6"; Tab="Image"};
                @{Name="height"; Title="Height"; Columns="6"; Tab="Image"};
            )
            Title = "Export Page"
            Description = "Configure generator"
            Width = 480
            Height = 480
            ShowHints = $false
        }
        $dialogStatus = Read-Variable @configuration
        if ($dialogStatus -eq "cancel") {
            exit -2;
        }
    }
    $timeStamp = Get-Date -format "yyyy MMM d hh-mm"
    $pdfPath = [Sitecore.IO.TempFolder]::GetFilename("$($Item.Name)-$($Item.Language.Name) - $timeStamp.$fileFormat")
    $pdfPath = [Sitecore.IO.FileUtil]::MapPath($pdfPath);
    Write-Verbose $pdfPath
    
    $urlString = New-Object Sitecore.Text.UrlString @($SitecoreAuthority)
    [Void]$urlString.Add("sc_mode", "normal");
    [Void]$urlString.Add("sc_itemid", $Item.ID);
    [Void]$urlString.Add("sc_lang", $Item.Language);
    $url = $urlString.ToString()
    $js = @"
var system = require('system');
var page = require('webpage').create();
page.paperSize = {
  format: '$format',
  orientation: '$orientation',
  margin: '$($margin)in'
};
fileFormat = '$fileFormat';
if(fileFormat === 'pdf'){
    page.viewportSize = { width: 1920, height: 1080 };
}
if(fileFormat !== 'pdf'){
    page.viewportSize = { width: $width, height: $height };
    if('$height' === ''){
        page.clipRect = { top: 0, left: 0, width: $width, height: 0 };
    } else {
        page.clipRect = { top: 0, left: 0, width: $width, height: $height };
    }
}

phantom.outputEncoding = "utf8";
page.zoomFactor = $zoomFactor/100;
console.log('PhantomJS');
console.log('URL: $url');
console.log('Generated File: ' + system.args[1]);
console.log('Paper format: $format' );
console.log('Orientation: $orientation');
console.log('Width: $width');
console.log('Height: $height');

page.onResourceReceived = function(resource) {
  if (resource.status === 500) {
    console.log('Server returned HTTP status 500');
    phantom.exit(-1);
  }
}

page.open('$url', function(status) {
    window.setTimeout(function() {
        if (status == 'fail') {
          console.log('$url failed to open');
          phantom.exit(-1);
        }
        page.render(system.args[1]);
        phantom.exit();
    }, 500);
});
"@;
    $jsPath = [System.IO.Path]::GetTempFileName();
    $jsPath = [Sitecore.IO.TempFolder]::GetFilename("$($Item.Name)-$jsPath-PDFGen.js")
    $jsPath = [Sitecore.IO.FileUtil]::MapPath($jsPath);
    $js | Set-Content -Path $jsPath
    $phantomJs = New-Object System.Diagnostics.Process
    $phantomJs.StartInfo.WorkingDirectory = [Sitecore.IO.FileUtil]::MapPath("/");
    $phantomJs.StartInfo.FileName = [Sitecore.ContentTesting.Configuration.Settings]::PhantomJsExecutablePath;
    $phantomJs.StartInfo.Arguments = "$jsPath `"$pdfPath`""
    $phantomJs.StartInfo.CreateNoWindow = $true
    $phantomJs.StartInfo.UseShellExecute = $false
    $phantomJs.StartInfo.RedirectStandardOutput = $true
    $phantomJs.StartInfo.RedirectStandardError = $true
    
    Register-ObjectEvent -InputObject $phantomJs -EventName 'OutputDataReceived' -Action {
        Write-Verbose "$($EventArgs.data)" -Verbose:$VerbosePreference
    } | Out-Null
    Register-ObjectEvent -InputObject $phantomJs -EventName 'ErrorDataReceived' -Action {
        Write-Host "$($EventArgs.data)" -Verbose:$VerbosePreference
    } | Out-Null
    
    [Void]$phantomJs.Start()
    $phantomJs.BeginOutputReadLine()
    $phantomJs.BeginErrorReadLine()
    [Void]$phantomJs.WaitForExit()
    
    if($Interactive){
        Download-File -FullName $pdfPath -Width 450 | Out-Null
        Remove-Item "$pdfPath" -Force -ErrorAction SilentlyContinue
    }
    Remove-Item "$jsPath" -Force -ErrorAction SilentlyContinue
    return $pdfPath
}

Export-Pdf (Get-Item .) -Verbose #-Interactive
        Close-Window