Add database management back to front-end and begin some refactoring

Here we go again boys...

app/Services/Databases/Hosts/HostCreationService.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace Pterodactyl\Services\Databases\Hosts;
+
+use Pterodactyl\Models\DatabaseHost;
+use Illuminate\Database\DatabaseManager;
+use Illuminate\Database\ConnectionInterface;
+use Illuminate\Contracts\Encryption\Encrypter;
+use Pterodactyl\Extensions\DynamicDatabaseConnection;
+use Pterodactyl\Contracts\Repository\DatabaseHostRepositoryInterface;
+
+class HostCreationService
+{
+    /**
+     * @var \Illuminate\Database\ConnectionInterface
+     */
+    private $connection;
+
+    /**
+     * @var \Illuminate\Database\DatabaseManager
+     */
+    private $databaseManager;
+
+    /**
+     * @var \Pterodactyl\Extensions\DynamicDatabaseConnection
+     */
+    private $dynamic;
+
+    /**
+     * @var \Illuminate\Contracts\Encryption\Encrypter
+     */
+    private $encrypter;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\DatabaseHostRepositoryInterface
+     */
+    private $repository;
+
+    /**
+     * HostCreationService constructor.
+     *
+     * @param \Illuminate\Database\ConnectionInterface                          $connection
+     * @param \Illuminate\Database\DatabaseManager                              $databaseManager
+     * @param \Pterodactyl\Contracts\Repository\DatabaseHostRepositoryInterface $repository
+     * @param \Pterodactyl\Extensions\DynamicDatabaseConnection                 $dynamic
+     * @param \Illuminate\Contracts\Encryption\Encrypter                        $encrypter
+     */
+    public function __construct(
+        ConnectionInterface $connection,
+        DatabaseManager $databaseManager,
+        DatabaseHostRepositoryInterface $repository,
+        DynamicDatabaseConnection $dynamic,
+        Encrypter $encrypter
+    ) {
+        $this->connection = $connection;
+        $this->databaseManager = $databaseManager;
+        $this->dynamic = $dynamic;
+        $this->encrypter = $encrypter;
+        $this->repository = $repository;
+    }
+
+    /**
+     * Create a new database host on the Panel.
+     *
+     * @param array $data
+     * @return \Pterodactyl\Models\DatabaseHost
+     *
+     * @throws \Pterodactyl\Exceptions\Model\DataValidationException
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     */
+    public function handle(array $data): DatabaseHost
+    {
+        $this->connection->beginTransaction();
+
+        $host = $this->repository->create([
+            'password' => $this->encrypter->encrypt(array_get($data, 'password')),
+            'name' => array_get($data, 'name'),
+            'host' => array_get($data, 'host'),
+            'port' => array_get($data, 'port'),
+            'username' => array_get($data, 'username'),
+            'max_databases' => null,
+            'node_id' => array_get($data, 'node_id'),
+        ]);
+
+        // Confirm access using the provided credentials before saving data.
+        $this->dynamic->set('dynamic', $host);
+        $this->databaseManager->connection('dynamic')->select('SELECT 1 FROM dual');
+        $this->connection->commit();
+
+        return $host;
+    }
+}