| 1 |
<?php |
| 2 |
/** |
| 3 |
* ConvertKit API class |
| 4 |
* |
| 5 |
* @package ConvertKit |
| 6 |
* @author ConvertKit |
| 7 |
*/ |
| 8 |
|
| 9 |
use oldmine\RelativeToAbsoluteUrl\RelativeToAbsoluteUrl; |
| 10 |
use KubAT\PhpSimple\HtmlDomParser; |
| 11 |
|
| 12 |
/** |
| 13 |
* ConvertKit_API Class |
| 14 |
* Establishes API connection to ConvertKit App |
| 15 |
*/ |
| 16 |
class ConvertKit_API { |
| 17 |
|
| 18 |
/** |
| 19 |
* ConvertKit API Key |
| 20 |
* |
| 21 |
* @var string |
| 22 |
*/ |
| 23 |
protected $api_key; |
| 24 |
|
| 25 |
/** |
| 26 |
* ConvertKit API Secret |
| 27 |
* |
| 28 |
* @var string |
| 29 |
*/ |
| 30 |
protected $api_secret; |
| 31 |
|
| 32 |
/** |
| 33 |
* Save debug data to log |
| 34 |
* |
| 35 |
* @var string |
| 36 |
*/ |
| 37 |
protected $debug; |
| 38 |
|
| 39 |
/** |
| 40 |
* Version of ConvertKit API |
| 41 |
* |
| 42 |
* @var string |
| 43 |
*/ |
| 44 |
protected $api_version = 'v3'; |
| 45 |
|
| 46 |
/** |
| 47 |
* ConvertKit API URL |
| 48 |
* |
| 49 |
* @var string |
| 50 |
*/ |
| 51 |
protected $api_url_base = 'https://api.convertkit.com/'; |
| 52 |
|
| 53 |
/** |
| 54 |
* API resources |
| 55 |
* |
| 56 |
* @var array |
| 57 |
*/ |
| 58 |
protected $resources = array(); |
| 59 |
|
| 60 |
/** |
| 61 |
* Additional markup |
| 62 |
* |
| 63 |
* @var array |
| 64 |
*/ |
| 65 |
protected $markup = array(); |
| 66 |
|
| 67 |
/** |
| 68 |
* Constructor for ConvertKitAPI instance |
| 69 |
* |
| 70 |
* @param string $api_key ConvertKit API Key. |
| 71 |
* @param string $api_secret ConvertKit API Secret. |
| 72 |
* @param string $debug Save data to log. |
| 73 |
*/ |
| 74 |
public function __construct( $api_key, $api_secret, $debug ) { |
| 75 |
$this->api_key = $api_key; |
| 76 |
$this->api_secret = $api_secret; |
| 77 |
$this->debug = $debug; |
| 78 |
} |
| 79 |
|
| 80 |
/** |
| 81 |
* Adds a tag to a subscriber |
| 82 |
* |
| 83 |
* @param int $tag Tag ID |
| 84 |
* @param array $options Array of user data |
| 85 |
* @return object |
| 86 |
*/ |
| 87 |
public function add_tag( $tag, $options ) { |
| 88 |
$request = $this->api_version . sprintf( '/tags/%s/subscribe', $tag ); |
| 89 |
|
| 90 |
$args = array( |
| 91 |
'api_key' => $this->api_key, |
| 92 |
'email' => $options['email'], |
| 93 |
); |
| 94 |
|
| 95 |
return $this->make_request( $request, 'POST', $args ); |
| 96 |
} |
| 97 |
|
| 98 |
/** |
| 99 |
* Update resources in local options table. |
| 100 |
* |
| 101 |
* @param string $api_key |
| 102 |
*/ |
| 103 |
public function update_resources( $api_key ) { |
| 104 |
|
| 105 |
$this->api_key = $api_key; |
| 106 |
|
| 107 |
$forms = array(); |
| 108 |
$landing_pages = array(); |
| 109 |
$tags = array(); |
| 110 |
|
| 111 |
WP_ConvertKit::log( 'Updating resource with API key: ' . $api_key ); |
| 112 |
// Forms and Landing Pages |
| 113 |
$api_response = $this->_get_api_response( 'forms' ); |
| 114 |
WP_ConvertKit::log( 'API Response: ' . print_r( $api_response, true ) ); |
| 115 |
|
| 116 |
if ( is_null( $api_response ) |
| 117 |
|| is_wp_error( $api_response ) |
| 118 |
|| isset( $api_response['error'] ) |
| 119 |
|| isset( $api_response['error_message'] ) ) { |
| 120 |
$error_message = isset( $api_response['error'] ) ? $api_response['error'] : 'unknown error'; |
| 121 |
$error_message .= is_wp_error( $api_response ) ? $api_response->get_error_message() : ''; |
| 122 |
WP_ConvertKit::log( 'Error contacting API: ' . $error_message ); |
| 123 |
|
| 124 |
$forms[0] = array( |
| 125 |
'id' => '-2', |
| 126 |
'name' => 'Error contacting API', |
| 127 |
); |
| 128 |
|
| 129 |
$update_forms = $this->maybe_update_option( 'convertkit_forms', $forms ); |
| 130 |
$update_landing_pages = $this->maybe_update_option( 'convertkit_landing_pages', $landing_pages ); |
| 131 |
$update_tags = $this->maybe_update_option( 'convertkit_tags', $tags ); |
| 132 |
|
| 133 |
} else { |
| 134 |
|
| 135 |
$response = isset( $api_response['forms'] ) ? $api_response['forms'] : array(); |
| 136 |
foreach ( $response as $form ) { |
| 137 |
if ( isset( $form['archived'] ) && $form['archived'] ) { |
| 138 |
continue; |
| 139 |
} |
| 140 |
|
| 141 |
if ( 'hosted' === $form['type'] ) { |
| 142 |
$landing_pages[ $form['id'] ] = $form; |
| 143 |
} else { |
| 144 |
$forms[ $form['id'] ] = $form; |
| 145 |
} |
| 146 |
} |
| 147 |
$update_forms = $this->maybe_update_option( 'convertkit_forms', $forms ); |
| 148 |
$update_landing_pages = $this->maybe_update_option( 'convertkit_landing_pages', $landing_pages ); |
| 149 |
|
| 150 |
// Tags |
| 151 |
$api_response = $this->_get_api_response( 'tags' ); |
| 152 |
$response = isset( $api_response['tags'] ) ? $api_response['tags'] : array(); |
| 153 |
foreach ( $response as $tag ) { |
| 154 |
$tags[] = $tag; |
| 155 |
} |
| 156 |
$update_tags = $this->maybe_update_option( 'convertkit_tags', $tags ); |
| 157 |
} |
| 158 |
|
| 159 |
return $update_forms && $update_landing_pages && $update_tags; |
| 160 |
} |
| 161 |
|
| 162 |
/** |
| 163 |
* Attempt to store updated forms, tags, or landing pages retrieved from the ConvertKit API. |
| 164 |
* If they match what is already stored, WordPress's built in update_option() function will return |
| 165 |
* false, which is unhelpful. So, if it returns false, we check if what we tried to store matches what is |
| 166 |
* already stored, and if so, we return true. |
| 167 |
* |
| 168 |
* This way, we know if there was a failure or not. |
| 169 |
* |
| 170 |
* @param string $option_name |
| 171 |
* @param mixed $option_value |
| 172 |
* |
| 173 |
* @return bool true if option was updated or if no update was needed, false if failure |
| 174 |
*/ |
| 175 |
public function maybe_update_option( $option_name, $option_value ) { |
| 176 |
$result = update_option( $option_name, $option_value ); |
| 177 |
|
| 178 |
if ( !$result ) { |
| 179 |
$old = get_option( $option_name, $option_value ); |
| 180 |
$result = $old === $option_value ? true : false; |
| 181 |
} |
| 182 |
|
| 183 |
return $result; |
| 184 |
} |
| 185 |
|
| 186 |
/** |
| 187 |
* Gets a resource index |
| 188 |
* |
| 189 |
* GET /{$resource}/ |
| 190 |
* |
| 191 |
* @param string $resource Resource type. |
| 192 |
* @return object API response |
| 193 |
*/ |
| 194 |
public function get_resources( $resource ) { |
| 195 |
|
| 196 |
if ( ! array_key_exists( $resource, $this->resources ) ) { |
| 197 |
|
| 198 |
if ( 'landing_pages' === $resource ) { |
| 199 |
$api_response = $this->_get_api_response( 'forms' ); |
| 200 |
} else { |
| 201 |
$api_response = $this->_get_api_response( $resource ); |
| 202 |
} |
| 203 |
|
| 204 |
if ( is_null( $api_response ) || is_wp_error( $api_response ) || isset( $api_response['error'] ) || isset( $api_response['error_message'] ) ) { |
| 205 |
$this->resources[ $resource ] = array( |
| 206 |
array( |
| 207 |
'id' => '-2', |
| 208 |
'name' => 'Error contacting API', |
| 209 |
), |
| 210 |
); |
| 211 |
} else { |
| 212 |
$_resource = array(); |
| 213 |
|
| 214 |
if ( 'forms' === $resource ) { |
| 215 |
$response = isset( $api_response['forms'] ) ? $api_response['forms'] : array(); |
| 216 |
$forms = array(); |
| 217 |
foreach ( $response as $form ) { |
| 218 |
if ( isset( $form['archived'] ) && $form['archived'] ) { |
| 219 |
continue; |
| 220 |
} |
| 221 |
$_resource[] = $form; |
| 222 |
$forms[ $form['id'] ] = $form; |
| 223 |
|
| 224 |
} |
| 225 |
update_option( 'convertkit_forms', $forms ); |
| 226 |
} elseif ( 'landing_pages' === $resource ) { |
| 227 |
|
| 228 |
$response = isset( $api_response['forms'] ) ? $api_response['forms'] : array(); |
| 229 |
foreach ( $response as $landing_page ) { |
| 230 |
if ( 'hosted' === $landing_page['type'] ) { |
| 231 |
if ( isset( $landing_page['archived'] ) && $landing_page['archived'] ) { |
| 232 |
continue; |
| 233 |
} |
| 234 |
$_resource[] = $landing_page; |
| 235 |
} |
| 236 |
} |
| 237 |
update_option( 'convertkit_landing_pages', $_resource ); |
| 238 |
} elseif ( 'subscription_forms' === $resource ) { |
| 239 |
foreach ( $api_response as $mapping ) { |
| 240 |
if ( isset( $mapping['archived'] ) && $mapping['archived'] ) { |
| 241 |
continue; |
| 242 |
} |
| 243 |
$_resource[ $mapping['id'] ] = $mapping['form_id']; |
| 244 |
} |
| 245 |
update_option( 'convertkit_subscription_forms', $_resource ); |
| 246 |
} elseif ( 'tags' === $resource ) { |
| 247 |
$response = isset( $api_response['tags'] ) ? $api_response['tags'] : array(); |
| 248 |
foreach ( $response as $tag ) { |
| 249 |
$_resource[] = $tag; |
| 250 |
} |
| 251 |
update_option( 'convertkit_tags', $_resource ); |
| 252 |
} |
| 253 |
|
| 254 |
$this->resources[ $resource ] = $_resource; |
| 255 |
} // End if(). |
| 256 |
} // End if(). |
| 257 |
|
| 258 |
return $this->resources[ $resource ]; |
| 259 |
} |
| 260 |
|
| 261 |
/** |
| 262 |
* Adds a subscriber to a form. |
| 263 |
* |
| 264 |
* @param string $form_id Form ID. |
| 265 |
* @param array $options Array of user data. |
| 266 |
*/ |
| 267 |
public function form_subscribe( $form_id, $options ) { |
| 268 |
$request = $this->api_version . sprintf( '/forms/%s/subscribe', $form_id ); |
| 269 |
|
| 270 |
$args = array( |
| 271 |
'api_key' => $this->api_key, |
| 272 |
'email' => $options['email'], |
| 273 |
'name' => $options['name'], |
| 274 |
); |
| 275 |
|
| 276 |
$this->make_request( $request, 'POST', $args ); |
| 277 |
} |
| 278 |
|
| 279 |
/** |
| 280 |
* Remove subscription from a form |
| 281 |
* |
| 282 |
* @param array $options Array of user data. |
| 283 |
*/ |
| 284 |
public function form_unsubscribe( $options ) { |
| 285 |
$request = $this->api_version . '/unsubscribe'; |
| 286 |
|
| 287 |
$args = array( |
| 288 |
'api_secret' => $this->api_secret, |
| 289 |
'email' => $options['email'], |
| 290 |
); |
| 291 |
|
| 292 |
$this->make_request( $request, 'PUT', $args ); |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Get the ConvertKit subscriber ID associated with email address if it exists. |
| 297 |
* Return 0 if subscriber not found. |
| 298 |
* |
| 299 |
* @param $email_address |
| 300 |
* @return int $subscriber_id |
| 301 |
*/ |
| 302 |
public function get_subscriber_id( $email_address ) { |
| 303 |
|
| 304 |
$url = add_query_arg( |
| 305 |
array( |
| 306 |
'api_secret' => WP_ConvertKit::get_api_secret(), |
| 307 |
'email_address' => $email_address, |
| 308 |
'status' => 'all', |
| 309 |
), |
| 310 |
'https://api.convertkit.com/v3/subscribers' |
| 311 |
); |
| 312 |
|
| 313 |
WP_ConvertKit::log( 'get_subscriber_id for: ' . $email_address ); |
| 314 |
|
| 315 |
$result = $this->get_resource( $url ); |
| 316 |
if ( is_wp_error( $result ) ) { |
| 317 |
WP_ConvertKit::log( 'Error getting resource for: ' . $url . '. Error: ' . $result->get_error_messages() ); |
| 318 |
return 0; |
| 319 |
} |
| 320 |
|
| 321 |
$subs = json_decode( $result ); |
| 322 |
|
| 323 |
$subscribers = is_array( $subs->subscribers ) ? $subs->subscribers : array(); |
| 324 |
if ( $subscribers ) { |
| 325 |
$subscriber = array_pop( $subscribers ); |
| 326 |
WP_ConvertKit::log( 'Found ' . count( $subscribers ) . ' subscribers' ); |
| 327 |
WP_ConvertKit::log( 'ID (' . $subscriber->id . ') ' . $subscriber->email_address ); |
| 328 |
return $subscriber->id; |
| 329 |
} |
| 330 |
WP_ConvertKit::log( 'Subscriber not found with email ' . $email_address ); |
| 331 |
// subscriber not found |
| 332 |
return 0; |
| 333 |
|
| 334 |
} |
| 335 |
|
| 336 |
/** |
| 337 |
* @param $subscriber_id |
| 338 |
* |
| 339 |
* @return int |
| 340 |
*/ |
| 341 |
public function get_subscriber( $subscriber_id ) { |
| 342 |
$url = add_query_arg( |
| 343 |
array( |
| 344 |
'api_secret' => WP_ConvertKit::get_api_secret(), |
| 345 |
), |
| 346 |
'https://api.convertkit.com/v3/subscribers/' . $subscriber_id |
| 347 |
); |
| 348 |
|
| 349 |
WP_ConvertKit::log( 'get_subscriber info for id: ' . $subscriber_id ); |
| 350 |
|
| 351 |
$result = $this->get_resource( $url ); |
| 352 |
if ( is_wp_error( $result ) ) { |
| 353 |
WP_ConvertKit::log( 'Error getting resource for: ' . $url . '. Error: ' . $result->get_error_messages() ); |
| 354 |
return 0; |
| 355 |
} |
| 356 |
|
| 357 |
$result = json_decode( $result ); |
| 358 |
|
| 359 |
if ( isset( $result->subscriber ) ) { |
| 360 |
$subscriber = $result->subscriber; |
| 361 |
WP_ConvertKit::log( 'Found: (' . $subscriber->id . ') ' . $subscriber->email_address ); |
| 362 |
return $subscriber; |
| 363 |
} |
| 364 |
|
| 365 |
// subscriber not found |
| 366 |
return 0; |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Get a list of the tags for a subscriber. |
| 371 |
* |
| 372 |
* @param $subscriber_id |
| 373 |
* @return array $subscriber_tags Array of tags for customer with key of tag_id |
| 374 |
*/ |
| 375 |
public function get_subscriber_tags( $subscriber_id ) { |
| 376 |
|
| 377 |
$url = add_query_arg( |
| 378 |
array( |
| 379 |
'api_key' => WP_ConvertKit::get_api_key(), |
| 380 |
), |
| 381 |
'https://api.convertkit.com/v3/subscribers/' . $subscriber_id . '/tags' |
| 382 |
); |
| 383 |
|
| 384 |
WP_ConvertKit::log( 'get_subscriber_tags for: ' . $subscriber_id ); |
| 385 |
|
| 386 |
$result = $this->get_resource( $url ); |
| 387 |
if ( is_wp_error( $result ) ) { |
| 388 |
WP_ConvertKit::log( 'Error getting resource for: ' . $url . '. Error: ' . $result->get_error_messages() ); |
| 389 |
return array(); |
| 390 |
} |
| 391 |
$result = json_decode( $result ); |
| 392 |
$tags = isset( $result->tags ) ? $result->tags : array(); |
| 393 |
|
| 394 |
if ( empty( $tags ) ) { |
| 395 |
WP_ConvertKit::log( 'No tags found for customer.' ); |
| 396 |
} else { |
| 397 |
WP_ConvertKit::log( 'Found ' . count( $tags ) . 'tags for subscriber' ); |
| 398 |
$tags = wp_list_pluck( $tags, 'name', 'id' ); |
| 399 |
} |
| 400 |
|
| 401 |
return $tags; |
| 402 |
|
| 403 |
} |
| 404 |
|
| 405 |
/** |
| 406 |
* Get markup from ConvertKit for the provided $url |
| 407 |
* |
| 408 |
* @param string $url URL of API action. |
| 409 |
* @return string |
| 410 |
*/ |
| 411 |
public function get_resource( $url ) { |
| 412 |
$resource = ''; |
| 413 |
|
| 414 |
if ( ! empty( $url ) && isset( $this->markup[ $url ] ) ) { |
| 415 |
$resource = $this->markup[ $url ]; |
| 416 |
} elseif ( ! empty( $url ) ) { |
| 417 |
WP_ConvertKit::log( 'API Request (get_resource): ' . $url ); |
| 418 |
|
| 419 |
$response = wp_remote_get( |
| 420 |
$url, |
| 421 |
array( |
| 422 |
'timeout' => 10, |
| 423 |
'Accept-Encoding' => 'gzip', |
| 424 |
) |
| 425 |
); |
| 426 |
|
| 427 |
if ( ! is_wp_error( $response ) ) { |
| 428 |
|
| 429 |
// Maybe inflate response body. |
| 430 |
// @see https://wordpress.stackexchange.com/questions/10088/how-do-i-troubleshoot-responses-with-wp-http-api |
| 431 |
$inflate = @gzinflate( $response['body'] ); |
| 432 |
if ( $inflate ) { |
| 433 |
$response['body'] = $inflate; |
| 434 |
} |
| 435 |
|
| 436 |
$body = wp_remote_retrieve_body( $response ); |
| 437 |
|
| 438 |
/** @var \simple_html_dom\simple_html_dom $html */ |
| 439 |
$html = HtmlDomParser::str_get_html( $body ); |
| 440 |
foreach ( $html->find( 'a, link' ) as $element ) { |
| 441 |
if ( isset( $element->href ) ) { |
| 442 |
$element->href = RelativeToAbsoluteUrl::urlToAbsolute( $url, $element->href ); |
| 443 |
} |
| 444 |
} |
| 445 |
|
| 446 |
foreach ( $html->find( 'img, script' ) as $element ) { |
| 447 |
if ( isset( $element->src ) ) { |
| 448 |
$element->src = RelativeToAbsoluteUrl::urlToAbsolute( $url, $element->src ); |
| 449 |
} |
| 450 |
} |
| 451 |
|
| 452 |
foreach ( $html->find( 'form' ) as $element ) { |
| 453 |
if ( isset( $element->action ) ) { |
| 454 |
$element->action = RelativeToAbsoluteUrl::urlToAbsolute( $url, $element->action ); |
| 455 |
} else { |
| 456 |
$element->action = $url; |
| 457 |
} |
| 458 |
} |
| 459 |
|
| 460 |
// Check `status_code` for 200, otherwise log error. |
| 461 |
if ( 200 === $response['response']['code'] ) { |
| 462 |
$resource = $html->save(); |
| 463 |
$this->markup[ $url ] = $resource; |
| 464 |
} else { |
| 465 |
WP_ConvertKit::log( 'Status Code (' . $response['response']['code'] . ') for URL (' . $url . '): ' . $html->save() ); |
| 466 |
} |
| 467 |
} else { |
| 468 |
WP_ConvertKit::log( 'API Response was WP_Error (get_resource): ' . |
| 469 |
'Code: ' . $response->get_error_code() . ' ' . |
| 470 |
'Message: ' . $response->get_error_message() |
| 471 |
); |
| 472 |
} // End if(). |
| 473 |
} // End if(). |
| 474 |
|
| 475 |
return $resource; |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Do a remote request. |
| 480 |
* |
| 481 |
* @param string $path Part of URL. |
| 482 |
* @return array |
| 483 |
*/ |
| 484 |
private function _get_api_response( $path = '' ) { |
| 485 |
|
| 486 |
$args = array( |
| 487 |
'api_key' => $this->api_key, |
| 488 |
); |
| 489 |
$api_path = $this->api_url_base . $this->api_version; |
| 490 |
$url = add_query_arg( $args, path_join( $api_path, $path ) ); |
| 491 |
|
| 492 |
$response = wp_remote_get( |
| 493 |
$url, |
| 494 |
array( |
| 495 |
'timeout' => 10, |
| 496 |
'Accept-Encoding' => 'gzip', |
| 497 |
'sslverify' => false, |
| 498 |
) |
| 499 |
); |
| 500 |
|
| 501 |
if ( is_wp_error( $response ) ) { |
| 502 |
WP_ConvertKit::log( 'Error: ' . $response->get_error_message() ); |
| 503 |
|
| 504 |
return array( |
| 505 |
'error' => $response->get_error_message(), |
| 506 |
); |
| 507 |
} else { |
| 508 |
|
| 509 |
// Maybe inflate response body. |
| 510 |
// @see https://wordpress.stackexchange.com/questions/10088/how-do-i-troubleshoot-responses-with-wp-http-api |
| 511 |
$inflate = @gzinflate( $response['body'] ); |
| 512 |
if ( $inflate ) { |
| 513 |
$response['body'] = $inflate; |
| 514 |
} |
| 515 |
|
| 516 |
$body = wp_remote_retrieve_body( $response ); |
| 517 |
$data = json_decode( $body, true ); |
| 518 |
} |
| 519 |
|
| 520 |
return $data; |
| 521 |
} |
| 522 |
|
| 523 |
/** |
| 524 |
* Make a request to the ConvertKit API |
| 525 |
* |
| 526 |
* @param string $request Request string. |
| 527 |
* @param string $method HTTP Method. |
| 528 |
* @param array $args Request arguments. |
| 529 |
* @return object Response object |
| 530 |
*/ |
| 531 |
private function make_request( $request, $method, $args = array() ) { |
| 532 |
|
| 533 |
WP_ConvertKit::log( 'API Request (make_request): ' . $request . ' Args: ' . wp_json_encode( $args ) ); |
| 534 |
|
| 535 |
$url = $this->api_url_base . $request; |
| 536 |
|
| 537 |
$headers = array( |
| 538 |
'Content-Type' => 'application/json; charset=utf-8', |
| 539 |
); |
| 540 |
|
| 541 |
$settings = array( |
| 542 |
'headers' => $headers, |
| 543 |
'method' => $method, |
| 544 |
'body' => wp_json_encode( $args ), |
| 545 |
); |
| 546 |
|
| 547 |
$result = wp_remote_request( $url, $settings ); |
| 548 |
|
| 549 |
if ( is_wp_error( $result ) ) { |
| 550 |
WP_ConvertKit::log( 'API Response (make_request): WPError: ' . $result->get_error_message() ); |
| 551 |
} elseif ( isset( $result['response']['code'] ) && '200' === $result['response']['code'] ) { |
| 552 |
if ( isset( $result['body'] ) ) { |
| 553 |
WP_ConvertKit::log( 'API Response (make_request): ' . $result['body'] ); |
| 554 |
} else { |
| 555 |
WP_ConvertKit::log( 'API Response (make_request): Response code 200, but body is not set.' ); |
| 556 |
} |
| 557 |
} else { |
| 558 |
WP_ConvertKit::log( 'API Response (make_request): Result code: ' . $result['response']['code'] . ' ' . $result['response']['message'] ); |
| 559 |
} |
| 560 |
|
| 561 |
} |
| 562 |
|
| 563 |
} |
| 564 |
|
