Move the primary allocation when it is removed from a server

app/Filament/Admin/Resources/Servers/RelationManagers/AllocationsRelationManager.php

@@ -117,7 +117,7 @@ class AllocationsRelationManager extends RelationManager
                     ->after(function (Allocation $allocation) {
                         $allocation->update(Allocation::RELEASE_ATTRIBUTES);
 
-                        if (!$this->getOwnerRecord()->allocation_id) {
+                        if (!$this->getOwnerRecord()->allocation_id || $this->getOwnerRecord()->allocation_id === $allocation->id) {
                             $this->getOwnerRecord()->update(['allocation_id' => $this->getOwnerRecord()->allocations()->first()?->id]);
                         }
                     }),
@@ -128,7 +128,7 @@ class AllocationsRelationManager extends RelationManager
                     ->after(function (Collection $records) {
                         Allocation::whereIn('id', $records->pluck('id'))->update(Allocation::RELEASE_ATTRIBUTES);
 
-                        if (!$this->getOwnerRecord()->allocation_id) {
+                        if (!$this->getOwnerRecord()->allocation_id || $records->contains('id', $this->getOwnerRecord()->allocation_id)) {
                             $this->getOwnerRecord()->update(['allocation_id' => $this->getOwnerRecord()->allocations()->first()?->id]);
                         }
                     }),

app/Http/Controllers/Api/Client/Servers/NetworkAllocationController.php

@@ -139,6 +139,10 @@ class NetworkAllocationController extends ClientApiController
 
         Allocation::query()->where('id', $allocation->id)->update(Allocation::RELEASE_ATTRIBUTES);
 
+        if ($allocation->id === $server->allocation_id) {
+            $server->update(['allocation_id' => $server->allocations()->first()?->id]);
+        }
+
         Activity::event('server:allocation.delete')
             ->subject($allocation)
             ->property('allocation', $allocation->address)

app/Models/Server.php

@@ -231,11 +231,14 @@ class Server extends Model implements HasAvatar, Validatable
      */
     public function getAllocationMappings(): array
     {
-        if (!$this->allocation) {
+        $allocations = $this->allocations->where('node_id', $this->node_id);
+
+        // Daemon expects a map here, and an empty array would be encoded as a JSON list.
+        if (!$this->allocation || $allocations->isEmpty()) {
             return ['' => []];
         }
 
-        return $this->allocations->where('node_id', $this->node_id)->groupBy('ip')->map(function ($item) {
+        return $allocations->groupBy('ip')->map(function ($item) {
             return $item->pluck('port');
         })->toArray();
     }