InvoiceShelf/app/Domains/Sales/Policies/InvoicePolicy.php

<?php

namespace App\Domains\Sales\Policies;

use App\Domains\Accounts\Models\User;
use App\Domains\Receivables\Models\Payment;
use App\Domains\Sales\Models\Invoice;
use Illuminate\Auth\Access\HandlesAuthorization;
use Silber\Bouncer\BouncerFacade;

class InvoicePolicy
{
    use HandlesAuthorization;

    /**
     * Determine whether the user can view any models.
     *
     * @return mixed
     */
    public function viewAny(User $user): bool
    {
        if (BouncerFacade::can('view-invoice', Invoice::class)) {
            return true;
        }

        return false;
    }

    /**
     * Determine whether the user can view the model.
     *
     * @return mixed
     */
    public function view(User $user, Invoice $invoice): bool
    {
        if (BouncerFacade::can('view-invoice', $invoice) && $user->hasCompany($invoice->company_id)) {
            return true;
        }

        return false;
    }

    /**
     * Determine whether the user can create models.
     *
     * @return mixed
     */
    public function create(User $user): bool
    {
        if (BouncerFacade::can('create-invoice', Invoice::class)) {
            return true;
        }

        return false;
    }

    /**
     * Determine whether the user can update the model.
     *
     * @return mixed
     */
    public function update(User $user, Invoice $invoice): bool
    {
        // A credit note is a reversal document: it is immutable once minted,
        // because saving it back through the invoice form would recompute its
        // totals positive.
        if ($invoice->isCreditNote()) {
            return false;
        }

        if (BouncerFacade::can('edit-invoice', $invoice) && $user->hasCompany($invoice->company_id)) {
            return $invoice->allow_edit;
        }

        return false;
    }

    /**
     * Determine whether the user can delete the model.
     *
     * @return mixed
     */
    public function delete(User $user, Invoice $invoice): bool
    {
        if (BouncerFacade::can('delete-invoice', $invoice) && $user->hasCompany($invoice->company_id)) {
            return true;
        }

        return false;
    }

    /**
     * Determine whether the user can restore the model.
     *
     * @return mixed
     */
    public function restore(User $user, Invoice $invoice): bool
    {
        if (BouncerFacade::can('delete-invoice', $invoice) && $user->hasCompany($invoice->company_id)) {
            return true;
        }

        return false;
    }

    /**
     * Determine whether the user can permanently delete the model.
     *
     * @return mixed
     */
    public function forceDelete(User $user, Invoice $invoice): bool
    {
        if (BouncerFacade::can('delete-invoice', $invoice) && $user->hasCompany($invoice->company_id)) {
            return true;
        }

        return false;
    }

    /**
     * Determine whether the user can send email of the model.
     *
     * @param  Payment  $payment
     * @return mixed
     */
    public function send(User $user, Invoice $invoice)
    {
        if (BouncerFacade::can('send-invoice', $invoice) && $user->hasCompany($invoice->company_id)) {
            return true;
        }

        return false;
    }

    /**
     * Determine whether the user can delete models.
     *
     * @return mixed
     */
    public function deleteMultiple(User $user)
    {
        if (BouncerFacade::can('delete-invoice', Invoice::class)) {
            return true;
        }

        return false;
    }
}