| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * MercadoLibre PHP SDK | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Licensed under The MIT License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * For full copyright and license information, please see the LICENSE file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * Redistributions of files must retain the above copyright notice. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @copyright 2018 Lucas Banegas <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @license https://opensource.org/licenses/MIT MIT License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @author Lucas Banegas <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @link https://github.com/docta/mercadolibre Repository | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @link https://docta.github.io/mercadolibre Documentation | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | namespace Docta\MercadoLibre; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Docta\OAuth2\Client\Provider\MercadoLibreResourceOwner; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use League\OAuth2\Client\Token\AccessToken; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * Client class | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * An easy-to-use client to access the MercadoLibre API services. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * To use this client, must first register the application in | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * {@link http://applications.mercadolibre.com/ MercadoLibre}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * since the API must grant the clientId and clientSecret values. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * The options required for the constructor are: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  * - authSite | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  * - clientId | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  * - clientSecret | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  * - redirectUri | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  * Optionally, can initialize the client with a previously | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  * generated token, passing it with the `token` key. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  * @example | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  * <pre> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  * $client = new \Docta\MercadoLibre\Client([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  *     'authSite'     => '{mercadolibre-auth-site}', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  *     'clientId'     => '{mercadolibre-client-id}', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  *     'clientSecret' => '{mercadolibre-client-secret}', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  *     'redirectUri'  => 'https://example.com/oauth/' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  * ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  * if (!isset($_GET['code'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  *     $authUrl = $provider->getAuthUrl(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  *     $_SESSION['state'] = $provider->getState(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  *     header('Location: ' . $authUrl); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  *     exit; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  * } elseif (empty($_GET['state']) || ($_GET['state'] !== $_SESSION['state'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  *     unset($_SESSION['state']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  *     exit('Invalid state'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  * } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  *     try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  *         $token = $client->getToken($_GET['code']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  *         $owner = $client->getOwner(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  *         $items = $client->post('/items'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  *     } catch (Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  *         exit($e->getMessage()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  *     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  * } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  * </pre> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | class Client extends ClientBase | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      * Builds and return the authorization URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * The url returned by this method depends on the `authSite` option passed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * to the constructor. For example, if the option set is `MLA`, it will | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * return `https://auth.mercadolibre.com.ar/authorization`. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * In addition, the url will contain the following query parameters: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * - `response_type` | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * - `client_id` | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * - `redirect_uri` | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * - `state` | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * @return string The authorization URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 2 |  |     public function getAuthUrl() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 2 |  |         return $this->provider->getAuthorizationUrl(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * Returns the current value of the state parameter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * When the authorization url is generated, this includes the parameter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * `state`. This method get its value to store in a session and then be | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * able to compare when the server redirects back to the application. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * The objective of this parameter is to mitigate CSRF attacks. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * @link https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF) Cross-Site Request Forgery (CSRF) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * @return string The current value of the state parameter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 | 2 |  |     public function getState() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 2 |  |         return $this->provider->getState(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * Get a token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      * If a string is passed, this method assumes that | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      * it is a code that must be exchanged for a token. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * If a valid token is passed, it returns the same token; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * but if the token has expired and has a refresh token, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * then it requests and returns a new token. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * In all cases that a token returns, it is established as | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      * the default token. In any other case it returns null. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |      * @param AccessToken|string|null $token Code or token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * @return AccessToken The {@link https://goo.gl/QEoCNV access token} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 10 |  |     public function getToken($token = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 10 |  |         $this->setToken($token); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 10 |  |         return $this->token && $this->token->getRefreshToken() && $this->token->hasExpired() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 1 |  |             ? $this->refresh($this->token) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 10 |  |             : $this->token; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      * Set a token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |      * Set the token passed as the default token. A default token can | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |      * also be set using the `token` key in the constructor options. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |      * @param AccessToken|string $token Code or token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |      * @return AccessToken The {@link https://goo.gl/QEoCNV access token} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 | 12 |  |     public function setToken($token) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 12 |  |         if (is_string($token)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 | 11 |  |             return $this->authorize($token); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 12 |  |         } elseif ($token instanceof AccessToken) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 145 | 12 |  |             return ($this->token = $token); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 9 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      * Make a GET request to API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |      * @param string $path Path relative to the API url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |      * @param array $query Optional: query parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      * @return array The response of API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 | 1 |  |     public function get($path, array $query = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 1 |  |         return $this->getResponse('GET', $path, $query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |      * Make a POST request to API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |      * @param string $path Path relative to the API url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |      * @param array $data Optional: data to be sent to the API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |      * @param array $query Optional: query parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |      * @return array The response of API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 1 |  |     public function post($path, array $data = [], array $query = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 1 |  |         return $this->getResponse('POST', $path, $query, $data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * Make a PUT request to API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |      * @param string $path Path relative to the API url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |      * @param array $data Optional: data to be sent to the API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |      * @param array $query Optional: query parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |      * @return array The response of API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 | 1 |  |     public function put($path, array $data = [], array $query = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 | 1 |  |         return $this->getResponse('PUT', $path, $query, $data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |      * Make a DELETE request to API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |      * @param string $path Path relative to the API url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |      * @param array $query Optional: query parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |      * @return array The response of API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 | 1 |  |     public function delete($path, array $query = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 | 1 |  |         return $this->getResponse('DELETE', $path, $query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |      * Make a OPTIONS request to API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |      * @param string $path Path relative to the API url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |      * @param array $query Optional: query parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |      * @return array The response of API services | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 1 |  |     public function options($path, array $query = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 | 1 |  |         return $this->getResponse('OPTIONS', $path, $query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |      * Gets data about the owner of the resources. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |      * @return MercadoLibreResourceOwner The {@link https://goo.gl/bBmFoP owner data} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 215 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 216 | 1 |  |     public function getOwner() | 
            
                                                                        
                            
            
                                    
            
            
                | 217 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 218 | 1 |  |         return $this->token ? $this->provider->getResourceOwner($this->token) : null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 220 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 221 |  |  |  |