PHP code example of gecche / laravel-policy-builder

1. Go to this page and download the library: Download gecche/laravel-policy-builder library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

gecche / laravel-policy-builder example snippets


class AuthorPolicy
{
    use HandlesAuthorization;

    /**
     *
     * - All authors are allowed to users 1 and 2
     * - Only italian authors are allowed to users 3 and 4
     * - Only non-italian authors are allowed to other users
     *
     * @param   \Illuminate\Contracts\Auth\Authenticatable|null $user
     * @param  Builder $builder
     * @return mixed
     */
    public function acl($user, $builder)
    {
    
        switch ($user->getKey()) {
            case 1:
            case 2:
                return $builder;
            case 3:
            case 4:
                return $builder->where('nation','IT');
            default:
                return $builder->where('nation','<>','IT');

        }


    }


    Author::acl()->get();


    $userForAcl = User::find(3);
    Code::acl($userForAcl)->get();


    Book::acl()->get();


use Gecche\PolicyBuilder\Facades\PolicyBuilder;
use App\Models\Author;

class AuthorPolicy
{
    use HandlesAuthorization;

    /**
     *
     * - All authors are allowed to users 1 and 2
     * - Only italian authors are allowed to users 3 and 4
     * - Only non-italian authors are allowed to other users
     *
     * @param   \Illuminate\Contracts\Auth\Authenticatable|null $user
     * @param  Builder $builder
     * @return mixed
     */
    public function acl($user, $builder)
    {
    
        switch ($user->getKey()) {
            case 1:
            case 2:
                return PolicyBuilder::all($builder,Author::class);
            case 3:
            case 4:
                return $builder->where('nation','IT');
            default:
                return $builder->where('nation','<>','IT');

        }
    }


    Author::acl()->get();


PolicyBuilder::setAllBuilder(function ($builder,$modelClassName = null) {
    if ($modelClassName == Author::class) {
        return $builder->where('id','<>',1);
    }
    return $builder;
});


    //returning the 'editing' list for the authenticated user 
    Author::acl(null,'editing')->get();
    //or returning the 'editing' list for user 2 
    $userForAcl = User::find(2);
    Author::acl($userForAcl,'editing')->get();


/*
 * - For user 1 (superuser) it returns the full list of models for any model and context
 * - For all the other registerd users, it returns the full list of models for Book
 */
PolicyBuilder::beforeAcl(function ($user, $modelClassName, $context, $builder) {

    if (!$user) {
        return;
    }

    if ($user->getKey() == 1 || $modelClassName == Book::class) {
        return PolicyBuilder::all($builder,$modelClassName);
    }

    return;
});  


use Gecche\PolicyBuilder\Facades\PolicyBuilder;
use App\Models\Author;

class AuthorPolicy
{
    use HandlesAuthorization;


    public function beforeAcl($user, $context, $builder) {

        if (is_null($user)) {
            return PolicyBuilder::none($builder,Author::class);
        }

        return null;

    }

    ...