Implement account creation; add base class FormData to validate forms

src/Frontend/Accounts/AccountHandler.php

@@ -8,17 +8,21 @@ use MailAccountAdmin\Exceptions\AccountNotFoundException;
 use MailAccountAdmin\Exceptions\InputValidationError;
 use MailAccountAdmin\Repositories\AccountRepository;
 use MailAccountAdmin\Repositories\AliasRepository;
+use MailAccountAdmin\Repositories\DomainRepository;
 
 class AccountHandler
 {
     private AccountRepository $accountRepository;
     private AliasRepository $aliasRepository;
+    private DomainRepository $domainRepository;
     private PasswordHelper $passwordHelper;
 
-    public function __construct(AccountRepository $accountRepository, AliasRepository $aliasRepository, PasswordHelper $passwordHelper)
+    public function __construct(AccountRepository $accountRepository, AliasRepository $aliasRepository, DomainRepository $domainRepository,
+                                PasswordHelper $passwordHelper)
     {
         $this->accountRepository = $accountRepository;
         $this->aliasRepository = $aliasRepository;
+        $this->domainRepository = $domainRepository;
         $this->passwordHelper = $passwordHelper;
     }
 
@@ -59,6 +63,45 @@ class AccountHandler
     }
 
 
+    // -- /accounts/new - Create new account
+
+    public function getPageDataForCreate(): array
+    {
+        return [
+            'domainList' => array_keys($this->domainRepository->fetchDomainList()),
+        ];
+    }
+
+    public function createNewAccount(AccountCreateData $createData): int
+    {
+        // Check if new username is still available
+        $username = $createData->getUsername();
+        if (!$this->accountRepository->checkUsernameAvailable($username) || !$this->aliasRepository->checkAliasAvailable($username)) {
+            throw new InputValidationError("Username \"$username\" is not available.");
+        }
+
+        // Hash new password
+        $passwordHash = $this->passwordHelper->hashPassword($createData->getPassword());
+
+        // Construct home directory from username if necessary
+        if ($createData->getHomeDir() !== null) {
+            $homeDir = $createData->getHomeDir();
+        } else {
+            [$localPart, $domainPart] = explode('@', $username, 2);
+            $homeDir = $domainPart . '/' . $localPart;
+        }
+
+        // Create account in database
+        return $this->accountRepository->insertAccount(
+            $username,
+            $passwordHash,
+            $createData->getActive(),
+            $homeDir,
+            $createData->getMemo()
+        );
+    }
+
+
     // -- /accounts/{id}/edit - Edit account data
 
     public function getAccountDataForEdit(int $accountId): array