Atomcms-edit/app/Models/RadioContest.php

<?php

declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class RadioContest extends Model
{
    #[\Override]
    protected $table = 'radio_contests';

    #[\Override]
    protected $guarded = ['id', 'created_at', 'updated_at', 'user_id', 'prize'];

    /** @var array<string, string> */
    #[\Override]
    protected $casts = [
        'starts_at' => 'datetime',
        'ends_at' => 'datetime',
        'is_active' => 'boolean',
        'is_ended' => 'boolean',
        'winners_announced' => 'boolean',
    ];

    public function entries(): HasMany
    {
        return $this->hasMany(RadioContestEntry::class);
    }

    public function isActive(): bool
    {
        return $this->is_active &&
               now()->gte($this->starts_at) &&
               now()->lte($this->ends_at) &&
               ! $this->is_ended;
    }

    public function entryCount(): int
    {
        return $this->entries()->count();
    }

    public function uniqueParticipants(): int
    {
        return $this->entries()->distinct('user_id')->count('user_id');
    }
}