<?php
namespace XF\AddOn;
use function is_array;
/**
* @property AddOn $addOn
*/
trait StepRunnerUninstallTrait
{
/**
* @param array $stepParams
*
* @return null|StepResult
*/
public function uninstall(array $stepParams = [])
{
$stepParams = array_replace([
'step' => 0
], $stepParams);
$step = $stepParams['step'];
if (!$step)
{
$step = $this->getUninstallResumeStep();
}
return $this->uninstallStepRunner($step, $stepParams);
}
private function getUninstallResumeStep()
{
$installedAddOn = $this->addOn->getInstalledAddOn();
if ($installedAddOn)
{
$lastActionStep = $installedAddOn->getLastActionStep('uninstall');
if ($lastActionStep)
{
return $lastActionStep + 1; // this is the last completed step, so resume with the next
}
}
return 1;
}
/**
* @param integer $step
* @param array $stepParams
*
* @return null|StepResult
*/
private function uninstallStepRunner($step, array $stepParams)
{
$fnPrefix = 'uninstallStep';
$fn = $fnPrefix . $step;
if (!method_exists($this, $fn))
{
return null;
}
$result = $this->$fn($stepParams);
if ($result === null || $result === true)
{
$result = new StepResult(true);
}
else if (is_array($result))
{
$result = new StepResult(false, $result);
}
if (!($result instanceof StepResult))
{
throw new \LogicException("Must return a StepResult object");
}
$result->step = $step;
if ($result->complete)
{
$this->addOn->updatePendingAction('uninstall', $result->step);
$nextStep = $step + 1;
$nextFn = $fnPrefix . $nextStep;
if (!method_exists($this, $nextFn))
{
return null;
}
$result = new StepResult(false, [], $nextStep);
}
return $result;
}
}