Upload content type template through PowerShell

In my current project, we make use of numerous different Word templates. To make template a part of the automated build process, I made a PowerShell script that

1. Loop through a folder on the disk
2. Find subfolder, named in a given way
3. Find the template
4. Finds the content type in SharePoint
5. Upload the template to the content type resource folder http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.spcontenttype.resourcefolder.aspx
6. Save the content type

And the content type is ready to get published.

PowerShell script:

 1 Add-PsSnapin Microsoft.SharePoint.PowerShell -ErrorAction:SilentlyContinue | Out-Null
 2 $url = "http://win-l2sfc3oetnn/sites/doctemp/" #ContentTypeHub Url
 3 $templateFolderPath = "C:\Projects\demos\TemplateDemo"
 4 $filter = "*.dotx", "*.potx", "*.vst", "*.xltx"
 5 
 6 $contentTypeFolders = ls $templateFolderPath | where {$_.PsIsContainer}
 7 $templateCount = (ls $templateFolderPath -Include $filter -Recurse | where {!$_.PsIsContainer}).Count
 8 $i = 1
 9 $fileMode = [System.IO.FileMode]::Open
10 
11 $contentTypeFolders | % {
12     $path = $_.FullName
13     $foldername = $_.Name
14     $ctindex = $foldername.LastIndexOf("0x")
15     
16     if($ctindex -gt 0) {
17     
18         $contenttypeid = $foldername.Substring($ctindex, $foldername.Length - $ctindex)
19         $spcontenttypeid = New-Object Microsoft.SharePoint.SPContentTypeId $contenttypeid
20         
21         ls -Path $path | % {
22             #Need to open a new spweb object, to "refresh" the current content type object, to aviod database update conflict
23             $web = Get-SPWeb $url
24             $spcontenttype = $web.ContentTypes[$spcontenttypeid]
25             $fileFullname = $_.FullName
26             $filename = $_.Name
27             
28             Write-Progress -PercentComplete (($i / $templateCount) * 100) -Activity "Uploading templates" -Status "$filename on content type $($spcontenttype.Name)"
29             
30             $i++
31             try{
32                 #open the document template, as a filestream
33                 $fileStream = New-Object "System.IO.FileStream" -ArgumentList $fileFullname, $fileMode
34                 #add the file (SPFile) to the content type resource folder http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.spcontenttype.resourcefolder.aspx
35                 $spcontenttype.ResourceFolder.Files.Add($filename, $fileStream, $true) | Out-Null
36                 $fileStream.Close()
37                 #set the current document template file to be the document tmeplate
38                 $spcontenttype.DocumentTemplate = $filename
39                 #update the content type
40                 $spcontenttype.Update($true)
41             }
42             finally{
43                 $fileStream.Close()
44             }
45         }
46     }
47 }

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