ldc-crm/app/Models/Brand.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Brand extends Model
{
    use HasFactory;

    protected $fillable = [
        'name'
    ];

    /**
     * Service hasMany relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function services()
    {
        return $this->hasMany(Service::class);
    }

    /**
     * CustomerInfo hasMany relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function customerInfos()
    {
        return $this->hasMany(CustomerInfo::class);
    }

    /**
     * ServiceStat hasMany relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function servicesStats()
    {
        return $this->hasMany(ServiceStat::class);
    }

    /**
     * SingleOptin hasMany relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function singleOptins()
    {
        return $this->hasMany(SingleOptin::class);
    }

    public function getAccountsAttribute()
    {
        return $this->customerInfos()->count();
    }

    public function getTotalOptinsAttribute()
    {
        return $this->customerInfos()->where('opt_in', 1)->count() + $this->singleOptins()->count();
    }
}