Basic backend support to at least store a backup model in the DB

app/Services/Backups/InitiateBackupService.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Pterodactyl\Services\Backups;
+
+use Ramsey\Uuid\Uuid;
+use Carbon\CarbonImmutable;
+use Illuminate\Support\Str;
+use Pterodactyl\Models\Backup;
+use Pterodactyl\Models\Server;
+use Pterodactyl\Repositories\Eloquent\BackupRepository;
+
+class InitiateBackupService
+{
+    /**
+     * @var string|null
+     */
+    private $ignoredFiles;
+
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\BackupRepository
+     */
+    private $repository;
+
+    /**
+     * InitiateBackupService constructor.
+     *
+     * @param \Pterodactyl\Repositories\Eloquent\BackupRepository $repository
+     */
+    public function __construct(BackupRepository $repository)
+    {
+        $this->repository = $repository;
+    }
+
+    /**
+     * Sets the files to be ignored by this backup.
+     *
+     * @param string|null $ignored
+     * @return $this
+     */
+    public function setIgnoredFiles(?string $ignored)
+    {
+        $this->ignoredFiles = $ignored;
+
+        return $this;
+    }
+
+    /**
+     * Initiates the backup process for a server on the daemon.
+     *
+     * @param \Pterodactyl\Models\Server $server
+     * @param string|null $name
+     * @return \Pterodactyl\Models\Backup
+     *
+     * @throws \Exception
+     */
+    public function handle(Server $server, string $name = null): Backup
+    {
+        /** @var \Pterodactyl\Models\Backup $backup */
+        $backup = $this->repository->create([
+            'server_id' => $server->id,
+            'uuid' => Uuid::uuid4()->toString(),
+            'name' => Str::lower(str_replace(' ', '_', trim($name))) ?: sprintf('backup_%s', CarbonImmutable::create()->format('YmdHis')),
+            'ignored_files' => $this->ignoredFiles ?? '',
+            'disk' => 'local',
+        ], true, true);
+
+        return $backup;
+    }
+}