Feedback on my plugin to remove pages with certain template from friendly URL path

<?php
/* fiveUp/fourUp/threeUp/twoUp/oneUp/self */

/* get parent template (one up) */
$oneUp= $resource->get('parent');
if ($oneUp != '') {
  $oneUpObject = $modx->getObject('modResource',$oneUp);
  $templateOneUp = $oneUpObject->get('template');
  $aliasOneUp = $oneUpObject->get('alias');
  
  /* get grandparent  (two up) */
  $twoUp = $oneUpObject->get('parent');
  
  if ($twoUp !='') {
    $twoUpObject = $modx->getObject('modResource',$twoUp);
    $templateTwoUp = $twoUpObject->get('template');
    $aliasTwoUp = $twoUpObject->get('alias');
    
    /* get greatgrandparent (three up) */
    $threeUp = $twoUpObject->get('parent');
    
    if ($threeUp !='') {
      $threeUpObject = $modx->getObject('modResource',$threeUp);
      $templateThreeUp = $threeUpObject->get('template');
      $aliasThreeUp = $threeUpObject->get('alias');
      
      /* get ubergrandparent  (four up) */
      $fourUp = $threeUpObject->get('parent');
      
      if ($fourUp !='') {
	$fourUpObject = $modx->getObject('modResource',$fourUp);
	$templateFourUp = $fourUpObject->get('template');
	$aliasFourUp = $fourUpObject->get('alias');
	
	/* get five up */
	$fiveUp = $fourUpObject->get('parent');
	if ($fiveUp !='') {
	  $fiveUpObject = $modx->getObject('modResource',$fiveUp);
	  $templateFiveUp = $fourUpObject->get('template');
	  $aliasFiveUp = $fiveUpObject->get('alias');
	  $last = 'fiveUp';
	
	} else { $last = 'fourUp'; }	// no fiveup
      } else { $last = 'threeUp'; } // no fourup
    } else { $last = 'twoUp'; } // no threeup
  } else { $last = 'oneUp'; } // no twoup
} else { $last = 'self'; } // no oneup

// default
$newAliasOneUp = '';
$newAliasTwoUp = '';
$newAliasThreeUp = '';
$newAliasFourUp = '';
$newAliasFiveUp = '';

// create the aliases with slash if they exist
switch ($last)
{
    	case 'oneUp': 	$newAliasOneUp = $aliasOneUp.'/';
    	break;
	case 'twoUp': 	$newAliasOneUp = $aliasOneUp.'/'; 
  			$newAliasTwoUp = $aliasTwoUp.'/';
    	break;
	case 'threeUp': $newAliasOneUp = $aliasOneUp.'/'; 
  			$newAliasTwoUp = $aliasTwoUp.'/';
  			$newAliasThreeUp = $aliasThreeUp.'/';
    	break;
	case 'fourUp': 	$newAliasOneUp = $aliasOneUp.'/'; 
  			$newAliasTwoUp = $aliasTwoUp.'/';
    			$newAliasThreeUp = $aliasThreeUp.'/';
  			$newAliasFourUp = $aliasFourUp.'/';
    	break;
	case 'fiveUp': 	$newAliasOneUp = $aliasOneUp.'/'; 
  			$newAliasTwoUp = $aliasTwoUp.'/';
      			$newAliasThreeUp = $aliasThreeUp.'/';
  			$newAliasFourUp = $aliasFourUp.'/';
  			$newAliasFiveUp = $aliasFiveUp.'/';
    	break;
}

// if one of the parents has the hidden template (5), change the alias to nothing
if ($templateOneUp == '5') 	{ $newAliasOneUp = ''; }
if ($templateTwoUp == '5') 	{ $newAliasTwoUp = ''; }
if ($templateThreeUp == '5') 	{ $newAliasThreeUp = ''; }
if ($templateFourUp == '5') 	{ $newAliasFourUp = ''; }
if ($templateFiveUp == '5') 	{ $newAliasFiveUp = ''; }

$alias = $resource->get('alias');         
$newUri = $newAliasFiveUp.$newAliasFourUp.$newAliasThreeUp.$newAliasTwoUp.$newAliasOneUp.$alias;
$resource->set('uri_override', '1');     
$resource->set('uri', $newUri);
$resource->save();

<?php
$e = $modx->Event;
$resourceId = $e->params['id']; // Get the ID of resource

$q = $modx->newQuery('modResource'); // Fetch the parents
$q->where(array('id:IN' => $modx->getParentIds($resourceId, 10, 'web'))); /* 10 = depth, 'web' = context */
$parents = $modx->getCollection('modResource', $q);

foreach($parents as $parent) {
    if ($parent->get('template') != 5) { // If not the hidden template
        $out[] = $parent->get('alias');
    }
}
$newUri = implode('/', $out) . "/" . $resource->get('alias');
$resource->set('uri_override', '1');     
$resource->set('uri', $newUri);
$resource->save();

<?php

if ($mode != modSystemEvent::MODE_NEW) {
    return '';
}

$q = $modx->newQuery('modResource'); // Fetch the parents
$q->where(array('id:IN' => $modx->getParentIds($resource->get('id']), 10, 'web'))); /* 10 = depth, 'web' = context */
$parents = $modx->getCollection('modResource', $q);

foreach($parents as $parent) {
    if ($parent->get('template') != 5) { // If not the hidden template
        $out[] = $parent->get('alias');
    }
}
$newUri = implode('/', $out) . "/" . $resource->get('alias');
$resource->set('uri_override', '1');     
$resource->set('uri', $newUri);
$resource->save();

<?php
$tempParent = $resource->get('parent'); //"cache" the parent

$tempParents = $modx->getParentIds($tempParent, 10, array('context' => 'web')); // depth = 10 and context = web
$tempParents[] = $tempParent; // Include the parent into array()

$q = $modx->newQuery('modResource'); // Fetch the parents
$q->where(array('id:IN' => $tempParents)); 
$parents = $modx->getCollection('modResource', $q);
 
foreach($parents as $parent) {
    if ($parent->get('template') != 5) { // If not the hidden template
        $out[] = $parent->get('alias');
    }
}
$newUri = implode('/', $out) . "/" . $resource->get('alias'); // If you want, add . ".html" in to end
$resource->set('uri_override', '1');     
$resource->set('uri', $newUri);
$resource->save();