How to Upload the CSS into SharePoint 2013 Using PowerShell

As I said in the earlier article, the script to upload the CSS is as follows. I hope it does not require much explanations.

 ##================================================================================================
 ## Description	: To do the below two items.
     #1. Upload the CSS into Site Collection
 ## Author		: Sathish Nadarajan
 ## Date			: 07-Oct-2015
 ##================================================================================================
 
 ##============================================ Setup Input Paths ===========================================================
 
 cls
  
 $Host.UI.RawUI.WindowTitle = "-- Upload the CSS into Site Collection --"
 
 $StartDate = Get-Date
 Write-Host -ForegroundColor White "------------------------------------"
 Write-Host -ForegroundColor White "| Upload the CSS into Site Collection |"
 Write-Host -ForegroundColor White "| Started on: $StartDate |"
 Write-Host -ForegroundColor White "------------------------------------"
 
 $LogTime = Get-Date -Format yyyy-MM-dd_hh-mm
 $LogFile = ".UploadCSS-$LogTime.rtf"
 
 #start-transcript $logfile
 
 $scriptBase = split-path $SCRIPT:MyInvocation.MyCommand.Path -parent
 Set-Location $scriptBase
 
 $ErrorActionPreference = "Stop"
 
 function AddPowerShellSnapin()
 {
     try
     {
         Write-Host "Adding PowerShell Snap-in" -ForegroundColor Green
         # Try to get the PowerShell Snappin.  If not, then adding the PowerShell snappin on the Catch Block
         Get-PSSnapin "Microsoft.SharePoint.PowerShell" 
     }
     catch
     {
         if($Error[0].Exception.Message.Contains("No Windows PowerShell snap-ins matching the pattern 'Microsoft.SharePoint.PowerShell' were found"))
         {
             Add-PSSnapin "Microsoft.SharePoint.PowerShell"
         }
     }
     Write-Host "Finished Adding PowerShell Snap-in" -ForegroundColor Green
 
 }
 
  
 
 function UploadDisplayTemplates([string]$siteUrl)
 {
     $spsite = Get-SPSite $siteUrl
     $web = $spsite.RootWeb
     $contentWebPartsDisplayTemplatesFolder = ($web).GetFolder("Style Library")
     $displayTemplatesDirectory = $scriptBase + "CSSs"
     $web.AllowUnsafeUpdates=$true;
 
     #For upload all files in document library from file system
     foreach ($file in Get-ChildItem $displayTemplatesDirectory)
     {
          try
          {
                  $stream = [IO.File]::OpenRead($file.fullname)
                  $destUrl = $web.Url + "/Style Library/css/" + $file.Name;
                  $displayTemplateFile = $web.GetFile($destUrl)
                   
                  if($displayTemplateFile.CheckOutStatus -ne "None")
                  {
                      $contentWebPartsDisplayTemplatesFolder.files.Add($destUrl,$stream,$true)
                      $stream.close() 
                           
                      $displayTemplateFile.CheckIn("CheckIn by PowerShell");                         
                      $displayTemplateFile.Publish("Publish by PowerShell");                         
                       
                      $displayTemplateFile.Update();        
                      $web.Update();
                      
                      Write-Host $file.Name " CSS uploaded on $web site" -ForegroundColor Green  
                       
                  }
                  else
                  {
                      $displayTemplateFile.CheckOut();
                      try
                      {
                         $contentWebPartsDisplayTemplatesFolder.Files.Add($destUrl,$stream,$true)
                      }
                      catch
                      {
                         Write-Host $_
                      }
                      $stream.close()                             
                      $displayTemplateFile.CheckIn("CheckIn by PowerShell");                         
                      $displayTemplateFile.Publish("Publish by PowerShell");                         
                       
                      $displayTemplateFile.Update();        
                      $web.Update();
                      
                       
                      Write-Host $file.Name " CSS uploaded on $web site" -ForegroundColor Green  
                       
                  }
          }
          catch
          {
              Write-Host $_  
          }    
      }
   
   $web.AllowUnsafeUpdates  = $false;
 
  $web.dispose();
  $spsite.dispose();
 }
 
 try
 {
     [void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Sharepoint")
     [void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Sharepoint.Administration")
     AddPowerShellSnapin
     UploadDisplayTemplates "http://SiteCollection" # SiteCollection URL
 }
 catch
 {
     Write-Host "Custom Exception Happened on Main : " + $Error[0].Exception.Message -ForegroundColor Red  
 }
 
 
  #stop-transcript 
 

This PowerShell script will Add the File for the first time, and from, the second time onwards, it will check out and check in the files. Hence, we will not lose our versioning as well.

Let us see the other artifacts in the upcoming articles.

Happy Coding,

Sathish Nadarajan.