Push more changes to DBHost service.

Currently updating via the frontend is broken if you don't provide an actual node to attach it to.

app/Services/DatabaseHostService.php

@@ -0,0 +1,151 @@
+<?php
+/*
+ * Pterodactyl - Panel
+ * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+namespace Pterodactyl\Services;
+
+use Pterodactyl\Models\DatabaseHost;
+use Illuminate\Database\DatabaseManager;
+use Pterodactyl\Exceptions\DisplayException;
+use Illuminate\Contracts\Encryption\Encrypter;
+use Pterodactyl\Extensions\DynamicDatabaseConnection;
+
+class DatabaseHostService
+{
+    /**
+     * @var \Illuminate\Database\DatabaseManager
+     */
+    protected $database;
+
+    /**
+     * @var \Pterodactyl\Extensions\DynamicDatabaseConnection
+     */
+    protected $dynamic;
+
+    /**
+     * @var \Illuminate\Contracts\Encryption\Encrypter
+     */
+    protected $encrypter;
+
+    /**
+     * @var \Pterodactyl\Models\DatabaseHost
+     */
+    protected $model;
+
+    /**
+     * DatabaseHostService constructor.
+     *
+     * @param \Illuminate\Database\DatabaseManager              $database
+     * @param \Pterodactyl\Extensions\DynamicDatabaseConnection $dynamic
+     * @param \Illuminate\Contracts\Encryption\Encrypter        $encrypter
+     * @param \Pterodactyl\Models\DatabaseHost                  $model
+     */
+    public function __construct(
+        DatabaseManager $database,
+        DynamicDatabaseConnection $dynamic,
+        Encrypter $encrypter,
+        DatabaseHost $model
+    ) {
+        $this->database = $database;
+        $this->dynamic = $dynamic;
+        $this->encrypter = $encrypter;
+        $this->model = $model;
+    }
+
+    /**
+     * Create a new database host and persist it to the database.
+     *
+     * @param  array  $data
+     * @return \Pterodactyl\Models\DatabaseHost
+     *
+     * @throws \Throwable
+     * @throws \PDOException
+     */
+    public function create(array $data)
+    {
+        $instance = $this->model->newInstance();
+        $instance->password = $this->encrypter->encrypt(array_get($data, 'password'));
+
+        $instance->fill([
+            'name' => array_get($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'),
+        ]);
+
+        // Check Access
+        $this->dynamic->set('dynamic', $instance);
+        $this->database->connection('dynamic')->select('SELECT 1 FROM dual');
+
+        $instance->saveOrFail();
+
+        return $instance;
+    }
+
+    /**
+     * Update a database host and persist to the database.
+     *
+     * @param  int    $id
+     * @param  array  $data
+     * @return mixed
+     *
+     * @throws \PDOException
+     */
+    public function update($id, array $data)
+    {
+        $model = $this->model->findOrFail($id);
+
+        if (! empty(array_get($data, 'password'))) {
+            $model->password = $this->encrypter->encrypt($data['password']);
+        }
+
+        $model->fill($data);
+        $this->dynamic->set('dynamic', $model);
+        $this->database->connection('dynamic')->select('SELECT 1 FROM dual');
+
+        $model->saveOrFail();
+
+        return $model;
+    }
+
+    /**
+     * Delete a database host if it has no active databases attached to it.
+     *
+     * @param  int  $id
+     * @return bool|null
+     *
+     * @throws \Pterodactyl\Exceptions\DisplayException
+     */
+    public function delete($id)
+    {
+        $model = $this->model->withCount('databases')->findOrFail($id);
+
+        if ($model->databases_count > 0) {
+            throw new DisplayException('Cannot delete a database host that has active databases attached to it.');
+        }
+
+        return $model->delete();
+    }
+}