Implement deleting aliases on account details page

src/Frontend/Accounts/AccountDeleteAliasesData.php

@@ -0,0 +1,42 @@
+<?php
+declare(strict_types=1);
+
+namespace MailAccountAdmin\Frontend\Accounts;
+
+use MailAccountAdmin\Common\FormData;
+use MailAccountAdmin\Exceptions\InputValidationError;
+
+class AccountDeleteAliasesData extends FormData
+{
+    /** @var array[int] */
+    private array $selectedAliasIds;
+
+    private function __construct(array $selectedAliasIds)
+    {
+        $this->selectedAliasIds = $selectedAliasIds;
+    }
+
+    public static function createFromArray(array $raw): self
+    {
+        $rawAliasIds = $raw['selected_aliases'] ?? [];
+
+        if (!is_array($rawAliasIds)) {
+            throw new InputValidationError('selected_aliases is not an array.');
+        }
+        if (empty($rawAliasIds)) {
+            throw new InputValidationError('No aliases were selected.');
+        }
+
+        $selectedAliasIds = [];
+        foreach ($rawAliasIds as $i => $id) {
+            $selectedAliasIds[] = self::validateInteger($id, true, "selected_aliases[$i]");
+        }
+
+        return new self($selectedAliasIds);
+    }
+
+    public function getSelectedAliasIds(): array
+    {
+        return $this->selectedAliasIds;
+    }
+}