DownloadAllSP14Materials.ps1

# Originally published at https://gist.github.com/nzthiago/5736907
# I Customized it for SPC14 with slides
# If you like it, leave me a comment
# If you don't like it, complain to Github. :)

[Environment]::CurrentDirectory=(Get-Location -PSProvider FileSystem).ProviderPath 
$rss = (new-object net.webclient)

# Grab the RSS feed for the MP4 downloads

# SharePoint Conference 2014 Videos
$a = ([xml]$rss.downloadstring("http://channel9.msdn.com/Events/SharePoint-Conference/2014/RSS/mp4high")) 
$b = ([xml]$rss.downloadstring("http://channel9.msdn.com/Events/SharePoint-Conference/2014/RSS/slides")) 

#other qualities for the videos only. Choose the one you want!
# $a = ([xml]$rss.downloadstring("http://channel9.msdn.com/Events/SharePoint-Conference/2014/RSS/mp4")) 
#$a = ([xml]$rss.downloadstring("http://channel9.msdn.com/Events/SharePoint-Conference/2014/RSS/mp3")) 



#Preferably enter something not too long to not have filename problems! cut and paste them afterwards
$downloadlocation = "C:\spc14"

if (-not (Test-Path $downloadlocation)) 
{ 
    Write-Host "Folder $fpath dosen't exist. Creating it..."  
	New-Item $downloadlocation -type directory 
}

set-location $downloadlocation



#Download all the slides	
$b.rss.channel.item | foreach {   
	$code = $_.comments.split("/") | select -last 1	   
	
	# Grab the URL for the PPTX file
	$urlpptx = New-Object System.Uri($_.enclosure.url)  
  $filepptx = $code + "-" + $_.creator + " - " + $_.title.Replace(":", "-").Replace("?", "").Replace("/", "-").Replace("<", "").Replace("|", "").Replace('"',"").Replace("*","")
	$filepptx = $filepptx.substring(0, [System.Math]::Min(120, $filepptx.Length))
	$filepptx = $filepptx.trim()
	$filepptx = $filepptx + ".pptx" 
	if ($code -ne "")
	{
		 $folder = $code + " - " + $_.title.Replace(":", "-").Replace("?", "").Replace("/", "-").Replace("<", "").Replace("|", "").Replace('"',"").Replace("*","")
		 $folder = $folder.substring(0, [System.Math]::Min(100, $folder.Length))
		 $folder = $folder.trim()
	}
	else
	{
		$folder = "NoCodeSessions"
	}
	
	if (-not (Test-Path $folder)) 
  { 
		Write-Host "Folder $folder dosen't exist. Creating it..."  
		New-Item $folder -type directory 
	}
	
	
	
	#text description from session . Thank you VaperWare
	$OutFile = New-Item -type file "$($downloadlocation)\$($Folder)\$($Code.trim()).txt" -Force  
  $Category = "" ; $Content = ""
  $_.category | foreach {$Category += $_ + ","}
  $Content = $_.title.trim() + "`r`n" + $_.creator + "`r`n" + $_.summary.trim() + "`r`n" + "`r`n" + $Category.Substring(0,$Category.Length -1)
  add-content $OutFile $Content

	# Make sure the PowerPoint file doesn't already exist
	if (!(test-path "$downloadlocation\$folder\$filepptx"))     
	{ 	
		# Echo out the  file that's being downloaded
		$filepptx
		$wc = (New-Object System.Net.WebClient)  

		# Download the PPT file
		$wc.DownloadFile($urlpptx, "$downloadlocation\$filepptx")
		mv $filepptx $folder 
	} 
  else 
  {
    # Let's make sure we actually got the whole thing...
    $filepptx
    $wc = (New-Object System.Net.WebClient)  

    # Test the size
    $wc.OpenRead($urlpptx);
    $bytestotal = [int64]$wc.ResponseHeaders["Content-Length"];
    $filepptxref = Get-Item "$downloadlocation\$folder\$filepptx"
    if ($bytestotal -ne $filepptx.Length) 
    { 
      Write-Host "That last one was no good! Let's try again!"
      # Download the PPT file
      Remove-Item "$downloadlocation\$folder\$filepptx" -Force
		  $wc.DownloadFile($urlpptx, "$downloadlocation\$filepptx")
		  mv $filepptx $folder 
    }
  }
}

#download all the mp4

# Walk through each item in the feed 
$a.rss.channel.item | foreach {   
	$code = $_.comments.split("/") | select -last 1	   
	
	# Grab the URL for the MP4 file
	$url = New-Object System.Uri($_.enclosure.url)  
	
	# Create the local file name for the MP4 download
	$file = $code + "-" + $_.creator + "-" + $_.title.Replace(":", "-").Replace("?", "").Replace("/", "-").Replace("<", "").Replace("|", "").Replace('"',"").Replace("*","")
	$file = $file.substring(0, [System.Math]::Min(120, $file.Length))
	$file = $file.trim()
	$file = $file + ".mp4"  
	
	if ($code -ne "")
	{
		 $folder = $code + " - " + $_.title.Replace(":", "-").Replace("?", "").Replace("/", "-").Replace("<", "").Replace("|", "").Replace('"',"").Replace("*","")
		 $folder = $folder.substring(0, [System.Math]::Min(100, $folder.Length))
		 $folder = $folder.trim()
	}
	else
	{
		$folder = "NoCodeSessions"
	}
	
	if (-not (Test-Path $folder)) 
    { 
		Write-Host "Folder $folder) dosen't exist. Creating it..."  
		New-Item $folder -type directory 
	}
	
	
	
	# Make sure the MP4 file doesn't already exist

	if (!(test-path "$downloadlocation\$folder\$file"))     
	{ 	
		# Echo out the  file that's being downloaded
		$file
		$wc = (New-Object System.Net.WebClient)  

		# Download the MP4 file
		$wc.DownloadFile($url, "$downloadlocation\$file")
		mv $file $folder
	}
  else 
  {
    # Let's make sure we actually got the whole thing...
    $file
    $wc = (New-Object System.Net.WebClient)  

    # Test the size
    $wc.OpenRead($url);
    $bytestotal = [int64]$wc.ResponseHeaders["Content-Length"];
    $fileref = Get-Item "$downloadlocation\$folder\$file"
    if ($bytestotal -ne $fileref.Length) 
    { 
      Write-Host "That last one was no good! Let's try again!"
      # Download the PPT file
      Remove-Item "$downloadlocation\$folder\$file" -Force
      $wc.DownloadFile($url, "$downloadlocation\$file")
      mv $file $folder 
    }
  }
}