Add room participant moderation

app/Services/Rooms/DashboardRoomService.php

@@ -15,6 +15,12 @@ class DashboardRoomService
     {
         $ownedRooms = $user
             ->ownedRooms()
+            ->with([
+                'activePlayers' => fn ($query) => $query
+                    ->select(['id', 'room_id', 'user_id', 'name', 'is_moderator', 'created_at'])
+                    ->orderByDesc('is_moderator')
+                    ->orderBy('created_at'),
+            ])
             ->withCount('players')
             ->withCount(['activePlayers as active_player_count'])
             ->orderByRaw('closed_at IS NOT NULL')

app/Services/Rooms/RoomParticipationService.php

@@ -179,4 +179,47 @@ class RoomParticipationService
 
         return $player;
     }
+
+    public function kick(Room $room, Player $player, User $user): void
+    {
+        $stateVersion = DB::transaction(function () use ($room, $player, $user): ?int {
+            $lockedRoom = Room::query()
+                ->lockForUpdate()
+                ->findOrFail($room->id);
+
+            abort_unless($lockedRoom->owner_id === $user->id, 403);
+
+            $lockedPlayer = $lockedRoom->players()
+                ->lockForUpdate()
+                ->findOrFail($player->id);
+
+            abort_if($lockedPlayer->user_id === $lockedRoom->owner_id, 403);
+
+            if ($lockedPlayer->inactive_at !== null) {
+                return null;
+            }
+
+            $lockedPlayer->update([
+                'inactive_at' => now(),
+            ]);
+            $lockedRoom->update([
+                'last_activity_at' => now(),
+                'state_version' => $lockedRoom->state_version + 1,
+            ]);
+
+            return $lockedRoom->state_version;
+        });
+
+        if ($stateVersion === null) {
+            return;
+        }
+
+        RoomStateChanged::dispatch(
+            $room->id,
+            $stateVersion,
+            RoomStateChange::PlayerKicked,
+            $this->realtimeState->for($room),
+            $player->id,
+        );
+    }
 }