SPE_FixRenderingParameters.ps1

function Write-LogExtended {
    param(
        [string]$Message,
        [System.ConsoleColor]$ForegroundColor = $host.UI.RawUI.ForegroundColor,
        [System.ConsoleColor]$BackgroundColor = $host.UI.RawUI.BackgroundColor
    )
    
    Write-Log -Object $message
    Write-Host -Object $message -ForegroundColor $ForegroundColor -BackgroundColor $backgroundColor
}
	
function Get-ItemBasedOnTemplate {
    param(
        [string]$TemplateId
    )

    $queue = New-Object System.Collections.Queue
    $processedLookup = New-Object System.Collections.Generic.HashSet[string]
    if(-not(Test-Path -Path "master:$($TemplateId)")) { return }
    $processedLookup.Add($TemplateId) > $null  
    Get-ItemReferrer -Id $TemplateId -ItemLink | 
        Where-Object { $_.SourceItemID } | 
        ForEach-Object { $queue.Enqueue($_.SourceItemID) }

    $database = Get-Database -Name "master"
    while($queue.Count -and ($referrerId = $queue.Dequeue())) {
        if($processedLookup.Contains($referrerId)) { continue }
        $processedLookup.Add($referrerId) > $null
        $referrer = $database.GetItem($referrerId)
        if(!$referrer) { continue }
        if($referrer.Paths.FullPath.StartsWith("/sitecore/templates")) { 
            if($referrer.Name -eq "__Standard values") { continue }
            foreach($referrerItemLink in Get-ItemReferrer -Id $referrerId -ItemLink | Where-Object { $_.SourceItemID }) {
                $queue.Enqueue($referrerItemLink.SourceItemID)
            }
            $itemTemplate = [Sitecore.Data.Managers.TemplateManager]::GetTemplate($referrerId, $database)
        } else {
            $itemTemplate = [Sitecore.Data.Managers.TemplateManager]::GetTemplate($referrer)
        }

        if ($itemTemplate -and $itemTemplate.DescendsFromOrEquals($TemplateId)) {
            $referrer
        }
    }
}



New-UsingBlock (New-Object Sitecore.Data.BulkUpdateContext) {

	$baseTemplateId = "{8CA06D6A-B353-44E8-BC31-B528C7306971}"
	$baseModuleId = gi -Path master: -ID "{0FDE5971-3F03-427C-AD45-BE76DAD03A88}"
	$templates = Get-ItemBasedOnTemplate -TemplateId $baseTemplateId
	$templates += $baseModuleId
	$templates | ForEach-Object {
	    $item = gi -Path master: -ID $_.ID
	    $item.FullPath
		Write-LogExtended "[Processing] $($item.Name) $($item.ID)" 
		$fieldsToRename = Get-ChildItem $item.FullPath -recurse | Where-Object { $_.TemplateName -eq 'Template field' -and $_.Name -match ' ' }
		if ($fieldsToRename.Count -gt 0) {
			
			Get-ItemReferrer -Item $_ | Where-Object { $_.TemplateName -match 'rendering' } |  ForEach-Object {
				#rendering
				Get-ItemReferrer -Item $_ |  ForEach-Object {
					#content item
					#Write-LogExtended "[Checking] $($_.FullPath)"
					
					Get-Item -Path master: -ID $_.ID -Version * -Language * |  ForEach-Object {
					
						$renderings = Get-ItemField -IncludeStandardFields -Item $_ -ReturnType Field -Name "__Renderings" | Where-Object { $_.ContainsStandardValue -eq $false }
						$finalrenderings = Get-ItemField -IncludeStandardFields -Item $_ -ReturnType Field -Name "__Final Renderings" | Where-Object { $_.ContainsStandardValue -eq $false }
						$renderingsvalue = ''
						$finalrenderingsvalue = ''
						if (($renderings -ne $null -and $renderings.Value.length -gt 0) -or ($finalrenderings -ne $null -and $finalrenderings.Value.length -gt 0)) {
							if ($renderings -ne $null)
							{
								$renderingsvalue = $renderings.Value
							}
							if ($finalrenderings -ne $null)
							{
								$finalrenderingsvalue = $finalrenderings.Value
							}
								
							foreach ($field in $fieldsToRename){
								
								$oldname = $field.Name
								$newname = $field.Name.Replace(" ", "")
								if ($renderings -ne $null -and $renderings.Value -match $oldname)
								{
									Write-LogExtended "[Set] [Renderings] field $oldname to $newname"
									$renderingsvalue = $renderingsvalue.Replace($oldname, $newname)
								}
								if ($finalrenderings -ne $null -and $finalrenderings.Value -match $oldname)
								{
									Write-LogExtended "[Set] [Final Renderings] field $oldname to $newname"
									$finalrenderingsvalue = $finalrenderingsvalue.Replace($oldname, $newname)
								}
							}
							if ($renderingsvalue -ne '' -or $finalrenderingsvalue -ne '') {
								Write-LogExtended "[Update] $($_.FullPath) $($_.ID) Language $($_.Language) Version $($_.Version)"
								$_.Editing.BeginEdit()
								if ($renderingsvalue -ne '') {
									$_.Fields["__Renderings"].Value = $renderingsvalue
								}
								if ($finalrenderingsvalue -ne '') {
									$_.Fields["__Final Renderings"].Value = $finalrenderingsvalue
								}
								$_.Editing.EndEdit() | out-null
							}
						}
					}
				}
			}
			
			foreach ($field in $fieldsToRename){
				Write-LogExtended "[Update] $($field.FullPath)"
				$oldname = $field.Name
				$newname = $field.Name.Replace(" ", "")
				$field.Editing.BeginEdit()
				$field["Title"] = $oldname
				$field.Name = $newname
				$field.Editing.EndEdit() | out-null
			}
		}
		
	}
}