alz/azuredevops/pipelines/bicep/templates/helpers/bicep-on-demand-folder.yaml

---
parameters:
  - name: repository
    type: string
  - name: releaseArtifactName
    type: string
  - name: releaseVersion
    type: string
  - name: sourcePath
    type: string
  - name: targetPath
    type: string

steps:
  - pwsh: |
      $repository = "$${{ parameters.repository }}"
      $releaseArtifactName = "$${{ parameters.releaseArtifactName }}"
      $releaseVersion = "$${{ parameters.releaseVersion }}"
      $sourcePath = "$${{ parameters.sourcePath }}"
      $targetPath = "$${{ parameters.targetPath }}"

      Write-Host "Repository: $repository"
      Write-Host "Release Artifact Name: $releaseArtifactName"
      Write-Host "Release Version: $releaseVersion"
      Write-Host "Source Path: $sourcePath"
      Write-Host "Target Path: $targetPath"

      $repoOrgPlusRepo = $repository.Split("/")[-2..-1] -join "/"

      $repoReleaseUrl = "https://api.github.com/repos/$repoOrgPlusRepo/releases/tags/$releaseVersion"
      if($releaseVersion -eq "latest") {
          $repoReleaseUrl = "https://api.github.com/repos/$repoOrgPlusRepo/releases/latest"
      }
      $releaseData = Invoke-RestMethod $repoReleaseUrl -SkipHttpErrorCheck -StatusCodeVariable "statusCode"
      Write-Verbose "Status code: $statusCode"

      if($statusCode -eq 404) {
          Write-Error "The release $releaseVersion does not exist in the GitHub repository $repository - $repoReleaseUrl"
          throw "The release $releaseVersion does not exist in the GitHub repository $repository - $repoReleaseUrl"
      }

      # Handle transient errors like throttling
      if($statusCode -ge 400 -and $statusCode -le 599) {
          Write-Host "Retrying as got the Status Code $statusCode, which may be a tranisent error." -ForegroundColor Yellow
          $releaseData = Invoke-RestMethod $repoReleaseUrl -RetryIntervalSec 3 -MaximumRetryCount 100
      }

      if($statusCode -ne 200) {
          throw "Unable to query repository version, please check your internet connection and try again..."
      }

      $releaseArtifactUrl = $releaseData.assets | Where-Object { $_.name -eq $releaseArtifactName } | Select-Object -ExpandProperty browser_download_url

      $tempFolder = "./download"

      New-Item -ItemType Directory -Path $tempFolder | Out-String | Write-Verbose
      $targetPathForZip = "$tempFolder/$releaseArtifactName"
      Invoke-WebRequest -Uri $releaseArtifactUrl -OutFile $targetPathForZip -RetryIntervalSec 3 -MaximumRetryCount 100 | Out-String | Write-Verbose

      $targetPathForExtractedZip = "$tempFolder/extracted"

      Expand-Archive -Path $targetPathForZip -DestinationPath $targetPathForExtractedZip | Out-String | Write-Verbose

      $sourceFolderPath = "$($targetPathForExtractedZip)/$sourcePath/*"
      $targetFolderPath = "./$targetPath"

      Write-Host "Copying extracted files from $sourceFolderPath to $targetFolderPath"
      New-Item -ItemType Directory -Path $targetFolderPath | Out-String | Write-Verbose
      Copy-Item -Path $sourceFolderPath -Destination $targetFolderPath -Recurse -Force | Out-String | Write-Verbose

      Remove-Item -Path $tempFolder -Force -Recurse
      Write-Host "Successfully copied the files from the release artifact to the target path $targetPath..."

    displayName: Get On Demand Folder