gistfile1.txt

$captionUrl = "https://medius.studios.ms/video/asset/CAPTION/IG19-TK01"
$ret = Invoke-WebRequest -Uri $captionUrl -UseBasicParsing
$sb = New-Object System.Text.StringBuilder
if ($ret.Content.GetType() -eq [System.Byte[]]) {
    $captionString = ([System.Text.Encoding]::UTF8.GetString($ret.Content)) -split "`n"
}
else {
    $captionString = $ret.Content -split "`n"
}
foreach ($line in $captionString) {
    if ($line.trim() -ne "WEBVTT" -and -not([System.String]::IsNullOrEmpty($line.Trim()))) {
        if (-not [System.Int32]::TryParse($line, [ref]$null)) {
            if (-not ($line.Trim() -match ".*[0-9][0-9]$")) {
                $line = $line -replace "`r", "" -replace "`n", ""
                [void]$sb.Append($line)
            }
        }
    }
}

$sb.ToString() -replace "\.", ".`r`n" | clip.exe

Ignite2019Session.ps1

param(
    $DownloadPath = "D:\Ignite2019",
    $DownloadSlide = $true,
    $DownloadVideo = $true,
    $DownloadCaption = $true,
    $BitsDownload = $false,
    $retryCount=5,
    $searchText = """SQL"""
)
$ErrorActionPreference = "Stop"

if (-not (Test-Path $DownloadPath)) {
    New-Item -ItemType Directory $DownloadPath
}

$uri = "https://api-myignite.techcommunity.microsoft.com/api/session/search"
$link_base = "https://myignite.techcommunity.microsoft.com/sessions/"
$list = New-Object "System.Collections.Generic.List[PSCustomObject]"

for ($page = 1; $page -le 200; $page++) {
    $body = @{
        searchPage = $page
        sortOption = "ASC"
        searchText = $searchText
    }
    $ret = Invoke-WebRequest -Uri $uri -Method Post -Body $body
    $data = $ret.Content | ConvertFrom-Json
    if (($data.data | Measure-Object).count -ne 0) {
        foreach ($item in $data.data) {
            Write-Host ("{0} : {1} {2}" -f (Get-Date -Format "G"), $item.sessionCode, $item.title)
            $list.Add([PSCustomObject]@{
                    sessionCode       = $item.sessionCode
                    title             = $item.title
                    level             = $($item.level -match "^*\((?<level>.*?)\)$" | Out-Null; $Matches.level)
                    speaker           = $item.speakerNames -join "|"
                    sessionType       = $item.sessionType
                    startDateTime     = $item.startDateTime
                    lastUpdate        = $item.lastUpdate
                    link              = $($link_base + $item.sessionId)
                    onDemand          = $item.onDemand
                    captionFileLink   = $item.captionFileLink
                    slideDeck         = $item.slideDeck
                    downloadVideoLink = $item.downloadVideoLink 
                })
            $fileNameBase = ("{0} {1}" -f $item.sessionCode, ($item.title -replace ":", " " -replace "/", " " -replace "<", " " -replace ">" , " " -replace "\?", " " -replace "\[", " " -replace "\]", " "))

            # Slide Download
            if ( $item.slideDeck -ne "" -and $DownloadSlide -eq $true) {
                if (-not (Test-Path (Join-Path $DownloadPath ($fileNameBase + ".pptx")))) {
                    Write-Host ("{0} : Slide Downloading...." -f (Get-Date -Format "G"))
                    for ($i = 1; $i -le $retryCount; $i++) {
                        try {
                            If($BitsDownload){
                                Start-BitsTransfer -Source $item.slideDeck -Destination (Join-Path $DownloadPath ($fileNameBase + ".pptx"))
                            }else{
                                Invoke-WebRequest -Uri $item.slideDeck -OutFile (Join-Path $DownloadPath ( $fileNameBase + ".pptx"))
                            }
                            break
                        }
                        catch {
                            Write-Host "Slide Download Failed..." -ForegroundColor Red
                            if (Test-Path  (Join-Path $DownloadPath ( $fileNameBase + ".pptx"))) {
                                Remove-Item -Path  (Join-Path $DownloadPath ( $fileNameBase + ".pptx"))
                            }
                            if($i -eq $retryCount){
                                Write-Host ("{0} : Download Error [{1}]" -f (Get-Date -Format "G"), $item.sessionCode) -ForegroundColor Red
                            }else{
                                Write-Host ("{0} : Download Retry... {1}/{2}" -f (Get-Date -Format "G"), ($i+1), $retryCount) -ForegroundColor Red
                            }
                        }
                    }
    
                }
            }
            # Video Download
            if ( $item.downloadVideoLink -ne "" -and $DownloadVideo -eq $true) {
                if (-not (Test-Path (Join-Path $DownloadPath ($fileNameBase + ".mp4")))) {
                    Write-Host ("{0} : Video Downloading...." -f (Get-Date -Format "G"))
                    for ($i = 1; $i -le $retryCount ; $i++) {
                        try {
                            If($BitsDownload){
                                Start-BitsTransfer -Source $item.downloadVideoLink -Destination (Join-Path $DownloadPath ($fileNameBase + ".mp4"))
                            }else{
                                Invoke-WebRequest -Uri $item.downloadVideoLink -OutFile (Join-Path $DownloadPath ($fileNameBase + ".mp4"))
                            }
                            break
                        }
                        catch {
                            Write-Host "Video Download Failed..." -ForegroundColor Red
                            Write-Host $Error[0].Exception -ForegroundColor Red
                            if (Test-Path (Join-Path $DownloadPath ( $fileNameBase + ".mp4"))) {
                                Remove-Item -Path  (Join-Path $DownloadPath ( $fileNameBase + ".mp4"))
                            }
                            if($i -eq $retryCount){
                                Write-Host ("{0} : Download Error [{1}]" -f (Get-Date -Format "G"), $item.sessionCode) -ForegroundColor Red
                            }else{
                                Write-Host ("{0} : Download Retry... {1}/{2}" -f (Get-Date -Format "G"), ($i+1), $retryCount) -ForegroundColor Red
                            }
                        }
                    }
                }
            }

            # Caption Download
            if ( $item.captionFileLink -ne "" -and $DownloadCaption -eq $true) {
                if (-not (Test-Path (Join-Path $DownloadPath ($fileNameBase + ".vtt")))) {
                    Write-Host ("{0} : Caption Downloading...." -f (Get-Date -Format "G"))
                    for ($i = 1; $i -le $retryCount ; $i++) {
                        try {
                            If($BitsDownload){
                                Start-BitsTransfer -Source $item.captionFileLink -Destination (Join-Path $DownloadPath ($fileNameBase + ".vtt"))
                            }else{
                                Invoke-WebRequest -Uri $item.captionFileLink -OutFile (Join-Path $DownloadPath ($fileNameBase + ".vtt"))
                            }
                            break
                        }
                        catch {
                            Write-Host "Video Download Failed..." -ForegroundColor Red
                            Write-Host $Error[0].Exception -ForegroundColor Red
                            if (Test-Path (Join-Path $DownloadPath ( $fileNameBase + ".vtt"))) {
                                Remove-Item -Path  (Join-Path $DownloadPath ( $fileNameBase + ".vtt"))
                            }
                            if($i -eq $retryCount){
                                Write-Host ("{0} : Download Error [{1}]" -f (Get-Date -Format "G"), $item.sessionCode) -ForegroundColor Red
                            }else{
                                Write-Host ("{0} : Download Retry... {1}/{2}" -f (Get-Date -Format "G"), ($i+1), $retryCount) -ForegroundColor Red
                            }
                        }
                    }
                }
            }
        }
    }
    else {
        break
    }
}
Write-Output ("{0} Session" -f $list.Count)
Write-Output $list | Sort-Object startDateTime | Select-Object * | ConvertTo-Csv -Delimiter `t | clip.exe
Write-Output $list | Sort-Object startDateTime | Select-Object * | Format-Table