migrations and models adjusted

app/Models/Player.php

@@ -5,7 +5,7 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
-
+use phpDocumentor\Reflection\Types\Boolean;
 
 class Player extends Model
 {
@@ -13,12 +13,14 @@ class Player extends Model
         'room_id', 
         'name',
         'is_moderator',
+        'last_seen_at',
     ];
 
     protected function casts(): array
     {
         return [
             'is_moderator' => 'boolean',
+            'last_seen_at' => 'datetime',
         ];
     }
 
@@ -36,4 +38,30 @@ class Player extends Model
     {
         return $this->belongsTo(User::class);
     }
+
+    public function currentVote(): ?Vote
+    {
+        return $this->votes()
+            ->where('round', $this->room->current_round)
+            ->first();
+    }
+
+    public function hasVoted(): bool
+    {
+        return $this->votes()
+            ->where('round', $this->room->current_round)
+            ->exists();
+    }
+
+    public function isModerator(): bool
+    {
+        return $this->is_moderator;
+    }
+
+    public function markAsSeen(): void 
+    {
+        $this->update([
+            'last_seen_at' => now(),
+        ]);
+    }
 }