uSync Migrate Forms from V8 to V13

fix-usync-forms.ps1

param(
    $path
)

$files = Get-ChildItem -Path $path -File

$files | % {
    $fileInfo = $_
    $doc = [xml](Get-Content $fileInfo.FullName)
    $pageNode = $doc.DocumentElement.SelectSingleNode("Pages")
    $origCData = $pageNode.FirstChild
    $pages = [array]($origCData.InnerText | ConvertFrom-Json)

    $results = $pages | % {
        $page = $_
        $page.fieldSets | % {
            $fieldSet = $_
            $fieldSet.containers | % {
                $container = $_
                $container.fields | % {
                    $field = $_
                    if ($field.parsedPrevalues.Length -gt 0) {
                        $field.preValues = $field.parsedPrevalues
                    }
                    $field.psobject.Properties.Remove("parsedPreValues")
                }
            }
        }
    }

    $cdata = $doc.CreateCDataSection((ConvertTo-Json -depth 99 -inputobject $pages))
    $replaced = $pageNode.ReplaceChild($cdata, $origCData)

    $doc.Save($fileInfo.FullName)
}