106 lines
3.3 KiB
PHP
106 lines
3.3 KiB
PHP
<?php
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namespace MailPoet\Newsletter\ViewInBrowser;
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use MailPoet\Models\Newsletter;
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use MailPoet\Models\SendingQueue;
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use MailPoet\Models\Subscriber;
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use MailPoet\Newsletter\Url as NewsletterUrl;
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use MailPoet\Subscribers\LinkTokens;
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class ViewInBrowserController {
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/** @var LinkTokens */
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private $linkTokens;
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/** @var ViewInBrowserRenderer */
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private $viewInBrowserRenderer;
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public function __construct(
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LinkTokens $linkTokens,
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ViewInBrowserRenderer $viewInBrowserRenderer
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) {
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$this->linkTokens = $linkTokens;
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$this->viewInBrowserRenderer = $viewInBrowserRenderer;
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}
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public function view(array $data) {
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$data = NewsletterUrl::transformUrlDataObject($data);
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$isPreview = !empty($data['preview']);
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$newsletter = $this->getNewsletter($data);
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$subscriber = $this->getSubscriber($data);
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// if this is a preview and subscriber does not exist,
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// attempt to set subscriber to the current logged-in WP user
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if (!$subscriber && $isPreview) {
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$subscriber = Subscriber::getCurrentWPUser() ?: null;
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}
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// if queue and subscriber exist, subscriber must have received the newsletter
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$queue = $this->getQueue($newsletter, $data);
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if (!$isPreview && $queue && $subscriber && !$queue->isSubscriberProcessed($subscriber->id)) {
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throw new \InvalidArgumentException("Subscriber did not receive the newsletter yet");
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}
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return $this->viewInBrowserRenderer->render($isPreview, $newsletter, $subscriber, $queue);
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}
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private function getNewsletter(array $data) {
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// newsletter - ID is mandatory, hash must be set and valid
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if (empty($data['newsletter_id'])) {
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throw new \InvalidArgumentException("Missing 'newsletter_id'");
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}
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if (empty($data['newsletter_hash'])) {
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throw new \InvalidArgumentException("Missing 'newsletter_hash'");
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}
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$newsletter = Newsletter::findOne($data['newsletter_id']) ?: null;
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if (!$newsletter) {
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throw new \InvalidArgumentException("Invalid 'newsletter_id'");
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}
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if ($data['newsletter_hash'] !== $newsletter->hash) {
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throw new \InvalidArgumentException("Invalid 'newsletter_hash'");
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}
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return $newsletter;
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}
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private function getSubscriber(array $data) {
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// subscriber is optional; if exists, token must validate
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if (empty($data['subscriber_id'])) {
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return null;
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}
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$subscriber = Subscriber::findOne($data['subscriber_id']) ?: null;
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if (!$subscriber) {
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return null;
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}
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if (empty($data['subscriber_token'])) {
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throw new \InvalidArgumentException("Missing 'subscriber_token'");
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}
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if (!$this->linkTokens->verifyToken($subscriber, $data['subscriber_token'])) {
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throw new \InvalidArgumentException("Invalid 'subscriber_token'");
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}
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return $subscriber;
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}
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private function getQueue(Newsletter $newsletter, array $data) {
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// queue is optional; try to find it if it's not defined and this is not a welcome email
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if ($newsletter->type === Newsletter::TYPE_WELCOME) {
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return null;
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}
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// reset queue when automatic email is being previewed
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if ($newsletter->type === Newsletter::TYPE_AUTOMATIC && !empty($data['preview'])) {
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return null;
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}
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$queue = !empty($data['queue_id'])
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? SendingQueue::findOne($data['queue_id'])
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: SendingQueue::where('newsletter_id', $newsletter->id)->findOne();
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return $queue ?: null;
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}
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}
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