Add ui elements for handling server transfers, add TransferJob.php and TransferService.php

app/Http/Controllers/Admin/Servers/ServerTransferController.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\Admin\Servers;
+
+use Illuminate\Bus\Dispatcher;
+use Illuminate\Http\Request;
+use Prologue\Alerts\AlertsMessageBag;
+use Pterodactyl\Http\Controllers\Controller;
+use Pterodactyl\Jobs\Server\TransferJob;
+use Pterodactyl\Models\Server;
+use Pterodactyl\Repositories\Eloquent\ServerRepository;
+use Pterodactyl\Repositories\Eloquent\LocationRepository;
+use Pterodactyl\Repositories\Eloquent\NodeRepository;
+
+class ServerTransferController extends Controller
+{
+    /**
+     * @var \Prologue\Alerts\AlertsMessageBag
+     */
+    private $alert;
+
+    /**
+     * @var \Illuminate\Bus\Dispatcher
+     */
+    private $dispatcher;
+
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\ServerRepository
+     */
+    private $repository;
+
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\LocationRepository
+     */
+    private $locationRepository;
+
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\NodeRepository
+     */
+    private $nodeRepository;
+
+    /**
+     * ServerTransferController constructor.
+     *
+     * @param \Prologue\Alerts\AlertsMessageBag $alert
+     * @param \Illuminate\Bus\Dispatcher $dispatcher
+     * @param \Pterodactyl\Repositories\Eloquent\ServerRepository $repository
+     * @param \Pterodactyl\Repositories\Eloquent\LocationRepository $locationRepository
+     * @param \Pterodactyl\Repositories\Eloquent\NodeRepository $nodeRepository
+     */
+    public function __construct(
+        AlertsMessageBag $alert,
+        Dispatcher $dispatcher,
+        ServerRepository $repository,
+        LocationRepository $locationRepository,
+        NodeRepository $nodeRepository
+    ) {
+        $this->alert = $alert;
+        $this->dispatcher = $dispatcher;
+        $this->repository = $repository;
+        $this->locationRepository = $locationRepository;
+        $this->nodeRepository = $nodeRepository;
+    }
+
+    /**
+     * Starts a transfer of a server to a new node.
+     *
+     * @param \Illuminate\Http\Request $request
+     * @param \Pterodactyl\Models\Server $server
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function transfer(Request $request, Server $server)
+    {
+        $validatedData = $request->validate([
+            'node_id' => 'required|exists:nodes,id',
+            'allocation_id' => 'required|bail|unique:servers|exists:allocations,id',
+            'allocation_additional' => 'nullable',
+        ]);
+
+        $node_id = $validatedData['node_id'];
+        $allocation_id = $validatedData['allocation_id'];
+        $additional_allocations = $validatedData['allocation_additional'] ?? [];
+
+        // Check if the node is viable for the transfer.
+        $node = $this->nodeRepository->getNodeWithResourceUsage($node_id);
+        if ($node->isViable($server->memory, $server->disk)) {
+            // TODO: Run TransferJob.
+            $this->dispatcher->dispatch(new TransferJob($server, $node, $allocation_id, $additional_allocations));
+
+            $this->alert->success(trans('admin/server.alerts.transfer_started'))->flash();
+        } else {
+            $this->alert->danger(trans('admin/server.alerts.transfer_not_viable'))->flash();
+        }
+
+        return redirect()->route('admin.servers.view.manage', $server->id);
+    }
+}

app/Http/Controllers/Admin/Servers/ServerViewController.php

@@ -2,6 +2,7 @@
 
 namespace Pterodactyl\Http\Controllers\Admin\Servers;
 
+use JavaScript;
 use Illuminate\Http\Request;
 use Pterodactyl\Models\Nest;
 use Pterodactyl\Models\Server;
@@ -9,6 +10,8 @@ use Illuminate\Contracts\View\Factory;
 use Pterodactyl\Exceptions\DisplayException;
 use Pterodactyl\Http\Controllers\Controller;
 use Pterodactyl\Repositories\Eloquent\NestRepository;
+use Pterodactyl\Repositories\Eloquent\LocationRepository;
+use Pterodactyl\Repositories\Eloquent\NodeRepository;
 use Pterodactyl\Repositories\Eloquent\ServerRepository;
 use Pterodactyl\Traits\Controllers\JavascriptInjection;
 use Pterodactyl\Repositories\Eloquent\DatabaseHostRepository;
@@ -37,17 +40,31 @@ class ServerViewController extends Controller
      */
     private $nestRepository;
 
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\LocationRepository
+     */
+    private $locationRepository;
+
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\NodeRepository
+     */
+    private $nodeRepository;
+
     /**
      * ServerViewController constructor.
      *
      * @param \Pterodactyl\Repositories\Eloquent\DatabaseHostRepository $databaseHostRepository
      * @param \Pterodactyl\Repositories\Eloquent\NestRepository $nestRepository
+     * @param \Pterodactyl\Repositories\Eloquent\LocationRepository $locationRepository
+     * @param \Pterodactyl\Repositories\Eloquent\NodeRepository $nodeRepository
      * @param \Pterodactyl\Repositories\Eloquent\ServerRepository $repository
      * @param \Illuminate\Contracts\View\Factory $view
      */
     public function __construct(
         DatabaseHostRepository $databaseHostRepository,
         NestRepository $nestRepository,
+        LocationRepository $locationRepository,
+        NodeRepository $nodeRepository,
         ServerRepository $repository,
         Factory $view
     ) {
@@ -55,6 +72,8 @@ class ServerViewController extends Controller
         $this->databaseHostRepository = $databaseHostRepository;
         $this->repository = $repository;
         $this->nestRepository = $nestRepository;
+        $this->nodeRepository = $nodeRepository;
+        $this->locationRepository = $locationRepository;
     }
 
     /**
@@ -150,6 +169,7 @@ class ServerViewController extends Controller
      * @return \Illuminate\Contracts\View\View
      *
      * @throws \Pterodactyl\Exceptions\DisplayException
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      */
     public function manage(Request $request, Server $server)
     {
@@ -159,7 +179,22 @@ class ServerViewController extends Controller
             );
         }
 
-        return $this->view->make('admin.servers.view.manage', compact('server'));
+        // Check if the panel doesn't have at least 2 nodes configured.
+        $nodes = $this->nodeRepository->all();
+        $canTransfer = false;
+        if (count($nodes) >= 2) {
+            $canTransfer = true;
+        }
+
+        Javascript::put([
+            'nodeData' => $this->nodeRepository->getNodesForServerCreation(),
+        ]);
+
+        return $this->view->make('admin.servers.view.manage', [
+            'server' => $server,
+            'locations' => $this->locationRepository->all(),
+            'canTransfer' => $canTransfer,
+        ]);
     }
 
     /**