ldc-com-app-bo/app/Traits/Models/IsRelatedToTenant.php

<?php

namespace App\Traits\Models;

use App\Models\Tenant;

trait IsRelatedToTenant
{
    /**
     * Add a 'where' clause to the given query to scope to the current or first tenant.
     *
     * @param \App\Models\Tenant|\Stancl\Tenancy\Contracts\Tenant|null $tenantModel
     *
     * @return \Closure
     */
    public static function whereTenantQuery(
        \App\Models\Tenant|\Stancl\Tenancy\Contracts\Tenant|null $tenantModel = null
    ): \Closure {
        return function ($query) use ($tenantModel) {
            $tenant = $tenantModel ?: (!\is_null(\tenant()) ? \tenant() : Tenant::first());
            if (\tenant() || Tenant::first()) {
                $query->where('tenant_id', $tenant->getKey() ?? $tenant->getKey());
            };
        };
    }
}