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<?php |
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|
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namespace Codelight\GDPR\Installer; |
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|
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/** |
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* Handle redirecting and routing the installer steps |
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* |
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* Class InstallerRouter |
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* |
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* @package Codelight\GDPR\Installer |
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*/ |
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class InstallerRouter |
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{ |
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protected $steps; |
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|
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/** |
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* Set up the router |
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* |
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* @param array $steps |
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*/ |
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public function __construct(array $steps) |
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{ |
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$this->steps = $steps; |
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|
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if (isset($_GET['gdpr-step'])) { |
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add_action('admin_init', [$this, 'route']); |
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} |
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} |
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|
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/** |
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* Do the magic |
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*/ |
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public function route() |
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{ |
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/* @var $step InstallerStepInterface */ |
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$step = $this->findStep($_GET['gdpr-step']); |
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|
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if (!$step) { |
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trigger_error("Step {$_GET['gdpr-step']} not found!", E_USER_ERROR); |
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} |
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|
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if ('POST' === $_SERVER['REQUEST_METHOD'] && isset($_POST['gdpr-installer'])) { |
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|
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// Handle the previous step button |
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if ('previous' === esc_html($_POST['gdpr-installer'])) { |
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$this->setCurrentStep($this->getPreviousStep($step)->getSlug()); |
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wp_safe_redirect($this->getPreviousStep($step)->getUrl(), 302); |
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exit; |
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} |
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|
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// Handle form submission |
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if ('next' === esc_html($_POST['gdpr-installer'])) { |
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|
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if (!$step->validateNonce()) { |
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wp_safe_redirect($step->getUrl() . '&gdpr-error=nonce', 302); |
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exit; |
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} |
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|
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// Handle successful validation |
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if ($step->validate()) { |
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$step->submit(); |
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$nextStep = $this->getNextStep($step); |
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if ($nextStep) { |
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$this->setCurrentStep($nextStep->getSlug()); |
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wp_safe_redirect($nextStep->getUrl(), 302); |
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exit; |
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} else { |
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// If no next step then we're done |
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wp_safe_redirect(admin_url(), 302); |
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exit; |
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} |
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} |
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|
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// Handle form submission with failed validation |
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wp_safe_redirect($step->getUrl() . '&gdpr-error=' . $step->getErrors(), 302); |
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exit; |
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} |
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|
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trigger_error('Installer action not defined!', E_USER_NOTICE); |
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|
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} else { |
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|
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// Run wizard page step |
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if ('wizard' === $step->getType()) { |
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ob_start(); |
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$step->run(); |
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exit; |
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} |
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|
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// Run regular admin page step |
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$step->run(); |
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} |
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} |
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|
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/** |
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* Find a step by slug |
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* |
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* @param $slug |
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* @return InstallerStepInterface|bool |
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*/ |
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public function findStep($slug) |
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{ |
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foreach ($this->steps as $i => $step) { |
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if ($slug === $step->getSlug()) { |
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return $step; |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Find the index of a step by its slug |
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* |
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* @param $slug |
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* @return bool|int|string |
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*/ |
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protected function findStepIndex($slug) |
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{ |
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foreach ($this->steps as $i => $step) { |
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if ($slug === $step->getSlug()) { |
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return $i; |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Get the URL of the previous step or false if it's the first step |
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* |
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* @param InstallerStepInterface $step |
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* @return InstallerStepInterface|bool |
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*/ |
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public function getPreviousStep(InstallerStepInterface $step) |
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{ |
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$currentStepNumber = $this->findStepIndex($step->getSlug()); |
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|
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if (false === $currentStepNumber or 0 === $currentStepNumber) { |
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$prevStep = false; |
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} else { |
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$prevStep = $this->steps[$currentStepNumber - 1]; |
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} |
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|
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return apply_filters('gdpr/installer/prev-step', $prevStep, $currentStepNumber); |
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} |
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|
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/** |
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* Get the URL of the next step or admin dashboard if it's the last step |
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* |
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* @param InstallerStepInterface $step |
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* @return InstallerStepInterface|bool |
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*/ |
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public function getNextStep(InstallerStepInterface $step) |
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{ |
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$currentStepNumber = $this->findStepIndex($step->getSlug()); |
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|
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if (false === $currentStepNumber or count($this->steps) === $currentStepNumber + 1) { |
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$nextStep = false; |
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} else { |
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$nextStep = $this->steps[$currentStepNumber + 1]; |
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} |
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|
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return apply_filters('gdpr/installer/next-step-url', $nextStep, $currentStepNumber); |
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} |
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|
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/** |
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* Save the current step slug in the database to enable continue functionality |
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* |
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* @param $steps |
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*/ |
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protected function setCurrentStep($slug) |
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{ |
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global $gdpr; |
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$gdpr->Options->set('installer_step', $slug); |
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} |
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|
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/** |
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* Check if we are currently on any of the installer steps |
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* |
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* @return array|bool |
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*/ |
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public function isInstallerStep() |
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{ |
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return isset($_GET['gdpr-step']) && $this->findStep($_GET['gdpr-step']); |
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} |
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} |
