portal-api/app/Models/Notification.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Concerns\HasUuids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use App\Models\Customer;
use App\Models\User;

class Notification extends Model
{
    use HasFactory, HasUuids;

    protected $hidden = ['id'];

    public function uniqueIds(): array
    {
        return ['uuid'];
    }

    protected $fillable = [
        'recipient_type',
        'recipient_id',
        'type',
        'title',
        'body',
        'link',
        'is_read',
        'read_at',
        'data',
    ];

    protected $casts = [
        'is_read' => 'boolean',
        'read_at' => 'datetime',
        'data' => 'array',
    ];

    public static function notifyCustomer(Customer $customer, array $attributes): void
    {
        self::create([
            'recipient_type' => 'client',
            'recipient_id' => $customer->id,
        ] + $attributes);
    }

    public static function notifyAdmins(array $attributes): void
    {
        $adminIds = User::query()
            ->whereHas('roles', fn ($query) => $query->where('guard_name', 'admin'))
            ->pluck('id');

        foreach ($adminIds as $adminId) {
            self::create([
                'recipient_type' => 'admin',
                'recipient_id' => $adminId,
                ...$attributes,
            ]);
        }
    }
}