Move plugin files to a subfolder

[MAILPOET-3988]

mailpoet/lib/Subscribers/SubscriberPersonalDataEraser.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace MailPoet\Subscribers;
+
+use MailPoet\Models\Subscriber;
+use MailPoet\Models\SubscriberCustomField;
+
+class SubscriberPersonalDataEraser {
+  public function erase($email) {
+    if (empty($email)) {
+      return [
+        'items_removed' => false,
+        'items_retained' => false,
+        'messages' => [],
+        'done' => true,
+      ];
+    }
+    $subscriber = Subscriber::findOne(trim($email));
+    $itemRemoved = false;
+    $itemsRetained = true;
+    if ($subscriber) {
+      $this->eraseCustomFields($subscriber->id());
+      $this->anonymizeSubscriberData($subscriber);
+      $itemRemoved = true;
+      $itemsRetained = false;
+    }
+
+    return [
+      'items_removed' => $itemRemoved,
+      'items_retained' => $itemsRetained,
+      'messages' => [],
+      'done' => true,
+    ];
+  }
+
+  private function eraseCustomFields($subscriberId) {
+    $customFields = SubscriberCustomField::where('subscriber_id', $subscriberId)->findMany();
+    foreach ($customFields as $customField) {
+      $customField->value = '';
+      $customField->save();
+    }
+  }
+
+  private function anonymizeSubscriberData($subscriber) {
+    $subscriber->email = sprintf('deleted-%s@site.invalid', bin2hex(random_bytes(12))); // phpcs:ignore
+    $subscriber->firstName = 'Anonymous';
+    $subscriber->lastName = 'Anonymous';
+    $subscriber->status = Subscriber::STATUS_UNSUBSCRIBED;
+    $subscriber->subscribedIp = '0.0.0.0';
+    $subscriber->confirmedIp = '0.0.0.0';
+    $subscriber->save();
+  }
+}