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ScreensInProcess.php
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<?php
namespace ProcessMaker\Assets;
use DOMXPath;
use ProcessMaker\Models\Process;
use ProcessMaker\Models\Screen;
use ProcessMaker\Providers\WorkflowServiceProvider;
class ScreensInProcess
{
public $type = Screen::class;
public $owner = Process::class;
/**
* Get screens references used in a process
*
* @param Process $process
* @param array $screens
*
* @return array
*/
public function referencesToExport(Process $process, array $references = [])
{
// Screens used in BPMN
$xpath = new DOMXPath($process->getDefinitions());
$xpath->registerNamespace('pm', WorkflowServiceProvider::PROCESS_MAKER_NS);
// Used in screenRef
$nodes = $xpath->query("//*[@pm:screenRef!='']");
foreach ($nodes as $node) {
$ref = $node->getAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'screenRef');
$references[] = [Screen::class, $ref];
}
// Used in interstitialScreenRef
$nodes = $xpath->query("//*[@pm:interstitialScreenRef!='']");
foreach ($nodes as $node) {
$ref = $node->getAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'interstitialScreenRef');
$references[] = [Screen::class, $ref];
}
// Add cancel screen
if ($process->cancel_screen_id) {
$references[] = [Screen::class, $process->cancel_screen_id];
}
// Add request detail screen
if ($process->request_detail_screen_id) {
$references[] = [Screen::class, $process->request_detail_screen_id];
}
return $references;
}
/**
* Update references used in an imported process
*
* @param Process $process
* @param array $references
*
* @return void
*/
public function updateReferences(Process $process, array $references = [])
{
$definitions = $process->getDefinitions();
$xpath = new DOMXPath($definitions);
$xpath->registerNamespace('pm', WorkflowServiceProvider::PROCESS_MAKER_NS);
// Used in screenRef
$nodes = $xpath->query("//*[@pm:screenRef!='']");
foreach ($nodes as $node) {
$oldRef = $node->getAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'screenRef');
$newRef = $references[Screen::class][$oldRef]->getKey();
$node->setAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'screenRef', $newRef);
}
// interstitialScreenRef
$nodes = $xpath->query("//*[@pm:interstitialScreenRef!='']");
foreach ($nodes as $node) {
$oldRef = $node->getAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'interstitialScreenRef');
$newRef = $references[Screen::class][$oldRef]->getKey();
$node->setAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'interstitialScreenRef', $newRef);
}
// cancel
if ($process->cancel_screen_id) {
$oldRef = $process->cancel_screen_id;
$process->cancel_screen_id = $references[Screen::class][$oldRef]->getKey();
}
// Add request detail screen
if ($process->request_detail_screen_id) {
$oldRef = $process->request_detail_screen_id;
$process->request_detail_screen_id = $references[Screen::class][$oldRef]->getKey();
}
$process->bpmn = $definitions->saveXML();
$process->save();
}
}