Created exceptions for the actions

src/Action/Account/FetchAccounts.php

@@ -9,6 +9,7 @@
 use App\Dto\Aggregator\AggregateInterface;
 use App\Event\CreateAccountEvent;
 use App\Event\UpdateAccountEvent;
+use App\Exception\AccountNotFoundException;
 use App\Repository\AccountRepository;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
@@ -30,7 +31,7 @@ public function __invoke(AggregateInterface $aggregator): void
         }
 
         if (empty($myFxBookAccounts)) {
-            throw new \Exception('No accounts found!');
+            throw new AccountNotFoundException();
         }
 
         $accounts = $this->accountRepository->findAll();

src/Action/Account/FetchTradingAccounts.php

@@ -8,6 +8,7 @@
 use App\Contract\Repository\MyFxBookRepositoryInterface;
 use App\Dto\Aggregator\AggregateInterface;
 use App\Event\CreateAccountEvent;
+use App\Exception\AccountNotFoundException;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
 final readonly class FetchTradingAccounts implements ActionInterface
@@ -23,7 +24,7 @@ public function __invoke(AggregateInterface $aggregator): void
         $accounts = $this->myFxBookRepository->accounts($aggregator->getSession());
 
         if (count($accounts) === 0) {
-            throw new \Exception('No accounts found');
+            throw new AccountNotFoundException();
         }
 
         foreach ($accounts as $account) {

src/Action/Account/FetchUserSession.php

@@ -6,6 +6,7 @@
 
 use App\Action\ActionInterface;
 use App\Dto\Aggregator\AggregateInterface;
+use App\Exception\SessionNotFoundException;
 use App\Repository\UserRepository;
 
 final readonly class FetchUserSession implements ActionInterface
@@ -19,7 +20,7 @@ public function __invoke(AggregateInterface $aggregator): void
         $user = $this->userRepository->findLatest();
 
         if (null === $user || null === $user->getSession()) {
-            throw new \Exception('Could not find a user session');
+            throw new SessionNotFoundException();
         }
 
         $aggregator->setSession($user->getSession());

src/Action/Download/FileDownloadAction.php

@@ -6,6 +6,7 @@
 
 use App\Action\ActionInterface;
 use App\Dto\Aggregator\AggregateInterface;
+use App\Error\InstanceError;
 use App\FileSystem\File;
 use App\Manager\FileDownloadManager;
 
@@ -18,7 +19,7 @@ public function __construct(private FileDownloadManager $fileDownloadManager)
     public function __invoke(AggregateInterface $aggregator): void
     {
         if (($aggregator->getData() instanceof File) === false) {
-            throw new \RuntimeException('Data should be an instance of class ' . File::class);
+            throw new InstanceError(File::class);
         }
 
         ($this->fileDownloadManager)($aggregator->getData());

src/Error/InstanceError.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Error;
+
+class InstanceError extends \TypeError
+{
+    public function __construct(string $instance)
+    {
+        parent::__construct(sprintf('Should be an instance of class %s', $instance));
+    }
+}

src/Exception/AccountNotFoundException.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+final class AccountNotFoundException extends \Exception
+{
+    public function __construct()
+    {
+        parent::__construct('Account not found!');
+    }
+}

src/Exception/SessionNotFoundException.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+class SessionNotFoundException extends \Exception
+{
+    public function __construct()
+    {
+        parent::__construct('Session not found!');
+    }
+}