Download MS Ignite NZ 2016 Videos & Slides

Download_MSIgnite_NZ_Videos_2016.ps1

#Script written by Vlad Catrinescu
#Modifed for NZ Ignite 2016 - Luke Murray (www.luke.geek.nz)
#Visit my site www.absolute-sharepoint.com
#Twitter: @vladcatrinescu
#Originally Posted here: https://absolute-sharepoint.com/2016/10/the-ultimate-script-to-download-microsoft-ignite-2016-videos-and-slides

Param (
	[string]$keyword,
	[string]$session
)


######    Variables  #####

#Location - Preferably enter something not too long to not have filename problems! cut and paste them afterwards
$downloadlocation = "D:\Ignite 2016 -NZ"
#Ignite 2016 Videos RSS Feed
[Environment]::CurrentDirectory = (Get-Location -PSProvider FileSystem).ProviderPath
$rss = (new-object net.webclient)
#$video1 = ([xml]$rss.downloadstring("http://s.ch9.ms/events/ignite/2016/rss/mp4high"))
#$video2 = ([xml]$rss.downloadstring("http://s.ch9.ms/events/ignite/2016/rss/mp4high?page=2")) 
#other qualities for the videos only. Uncomment below and delete the two previous lines to download Mid Quality videos
$video1 = ([xml]$rss.downloadstring("https://s.ch9.ms/Events/Ignite/New-Zealand-2016/RSS/mp4"))
$video2 = ([xml]$rss.downloadstring("https://s.ch9.ms/Events/Ignite/New-Zealand-2016/RSS/mp4?page=2"))
$slide1 = ([xml]$rss.downloadstring("https://s.ch9.ms/Events/Ignite/New-Zealand-2016/RSS/slides"))
#$slide2 = ([xml]$rss.downloadstring("https://s.ch9.ms/Events/Ignite/New-Zealand-2016/RSSslides?page=2"))



#SCRIPT/ Functions  Do not touch below this line :)#
if (-not (Test-Path $downloadlocation))
{
	Write-Host "Folder $fpath dosen't exist. Creating it..."
	New-Item $downloadlocation -type directory | Out-Null
}
set-location $downloadlocation

function CleanFilename($filename)
{
	return $filename.Replace(":", "-").Replace("?", "").Replace("/", "-").Replace("<", "").Replace("|", "").Replace('"', "").Replace("*", "")
}

function DownloadSlides($filter, $videourl)
{
	try
	{
		$videourl.rss.channel.item | Where{ ($_.title -like "*$filter*") -or ($_.link -like "*/$filter") } |
		foreach {
			$code = $_.comments.split("/") | select -last 1
			
			# Grab the URL for the PPTX file
			$urlpptx = New-Object System.Uri($_.enclosure.url)
			$filepptx = $code + "-" + $_.creator + "-" + (CleanFileName($_.title))
			$filepptx = $filepptx.substring(0, [System.Math]::Min(120, $filepptx.Length))
			$filepptx = $filepptx.trim()
			$filepptx = $filepptx + ".pptx"
			if ($code -ne "")
			{
				$folder = $code + " - " + (CleanFileName($_.title))
				$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 | Out-Null
			}
			
			# Make sure the PowerPoint file doesn't already exist
			if (!(test-path "$downloadlocation\$folder\$filepptx"))
			{
				# Echo out the  file that's being downloaded
				write-host "Downloading slides: $filepptx"
				#$wc = (New-Object System.Net.WebClient)  
				
				# Download the MP4 file
				#$wc.DownloadFile($urlpptx, "$downloadlocation\$filepptx")
				Start-BitsTransfer $urlpptx "$downloadlocation\$filepptx" -DisplayName $filepptx
				mv $filepptx $folder
				
			}
			else
			{
				write-host "Slides exist: $filepptx"
			}
		}
		
	}
	
	catch
	{
		$ErrorMessage = $_.Exception.Message
		Write-host "$ErrorMessage"
	}
}


function DownloadVideos($filter, $slideurl)
{
	#download all the mp4
	# Walk through each item in the feed 
	$slideurl.rss.channel.item | Where{ ($_.title -like "*$filter*") -or ($_.link -like "*/$filter*") } | 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 + "-" + $_.creator + "-" + (CleanFileName($_.title))
		$file = $file.substring(0, [System.Math]::Min(120, $file.Length))
		$file = $file.trim()
		$file = $file + ".mp4"
		
		if ($code -ne "")
		{
			$folder = $code + " - " + (CleanFileName($_.title))
			$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 | Out-Null
		}
		
		
		
		# Make sure the MP4 file doesn't already exist
		
		if (!(test-path "$folder\$file"))
		{
			# Echo out the  file that's being downloaded
			write-host "Downloading video: $file"
			#$wc = (New-Object System.Net.WebClient)  
			
			# Download the MP4 file
			Start-BitsTransfer $url "$downloadlocation\$file" -DisplayName $file
			mv $file $folder
		}
		else
		{
			write-host "Video exists: $file"
		}
		
		#text description from session
		$OutFile = New-Item -type file "$($downloadlocation)\$($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
		
	}
}



if ($keyword)
{
	$keywords = $keyword.split(",")
	
	foreach ($k in $keywords)
	{
		$k.trim()
		Write-Host "You are now downloading the sessions with the keyword $k"
		DownloadSlides $k $slide1
		DownloadSlides $k $slide2
		DownloadVideos $k $video1
		DownloadVideos $k $video2
	}
}
elseif ($session)
{
	$sessions = $session.Split(",")
	
	foreach ($s in $sessions)
	{
		$s.trim()
		Write-Host "You are now downloading the session $s"
		DownloadSlides $s $slide1
		DownloadSlides $s $slide2
		DownloadVideos $s $video1
		DownloadVideos $s $video2
	}
	
}
else
{
	DownloadSlides " " $slide1
	DownloadSlides " " $slide2
	DownloadVideos " " $video1
	DownloadVideos " " $video2
}