PDF.co Web API - PDF To Image API - PowerShell - Convert PDF To JPEG From URL Asynchronously - ByteScout

PDF.co Web API – PDF To Image API – PowerShell – Convert PDF To JPEG From URL Asynchronously

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PDF.co Web API – PDF To Image API – PowerShell – Convert PDF To JPEG From URL Asynchronously

ConvertPdfToJpegFromUrlAsynchronously.ps1

[powershell]
# Cloud API asynchronous “PDF To JPEG” job example.
# Allows to avoid timeout errors when processing huge or scanned PDF documents.

# The authentication key (API Key).
# Get your own by registering at https://app.pdf.co/documentation/api
$API_KEY = “***********************************”

# Direct URL of source PDF file.
$SourceFileUrl = “https://s3-us-west-2.amazonaws.com/bytescout-com/files/demo-files/cloud-api/pdf-to-image/sample.pdf”
# Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: ‘0,2-5,7-‘.
$Pages = “”
# PDF document password. Leave empty for unprotected documents.
$Password = “”
# (!) Make asynchronous job
$Async = $true

# Prepare URL for `PDF To JPEG` API call
$query = “https://api.pdf.co/v1/pdf/convert/to/jpg?password={0}&pages={1}&url={2}&async={3}” -f `
$Password, $Pages, $SourceFileUrl, $Async
$query = [System.Uri]::EscapeUriString($query)

try {
# Execute request
$jsonResponse = Invoke-RestMethod -Method Get -Headers @{ “x-api-key” = $API_KEY } -Uri $query

if ($jsonResponse.error -eq $false) {
# Asynchronous job ID
$jobId = $jsonResponse.jobId
# URL of generated JSON file available after the job completion; it will contain URLs of result PDF files.
$resultJsonFileUrl = $jsonResponse.url

# Check the job status in a loop.
do {
$statusCheckUrl = “https://api.pdf.co/v1/job/check?jobid=” + $jobId
$jsonStatus = Invoke-RestMethod -Method Get -Uri $statusCheckUrl

# Display timestamp and status (for demo purposes)
Write-Host “$(Get-date): $($jsonStatus.Status)”

if ($jsonStatus.Status -eq “Finished”) {
# Download JSON file with URLs of result PDF files
$jsonJpegUrls = Invoke-RestMethod -Method Get -Uri $resultJsonFileUrl

# Download generated JPEG files
$part = 1;
foreach ($url in $jsonJpegUrls) {
$localFileName = “.\page$($part).jpg”

Invoke-WebRequest -Headers @{ “x-api-key” = $API_KEY } -OutFile $localFileName -Uri $url

Write-Host “Downloaded `”$($localFileName)`””
$part++
}
break
}
elseif ($jsonStatus.Status -eq “InProgress”) {
# Pause for a few seconds
Start-Sleep -Seconds 3
}
else {
Write-Host $jsonStatus.Status
break
}
}
while ($true)
}
else {
# Display service reported error
Write-Host $jsonResponse.message
}
}
catch {
# Display request error
Write-Host $_.Exception
}

[/powershell]

run.bat

[text]
@echo off

powershell -NoProfile -ExecutionPolicy Bypass -Command “& .\ConvertPdfToJpegFromUrlAsynchronously.ps1”
echo Script finished with errorlevel=%errorlevel%

pause
[/text]


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