Splits code into encapsulated classes

Author	Dave Jarvis <email>
Date	2026-01-18 00:08:16 GMT-0800
Commit	9c9677f534a3aa6210eed01320a2617bb30e8a9a
Parent	8648b58

Address.php

		+<?php
		+class Address {
		+ private $fields = [];
		+ private $missing = [];
		+ private const KEEP = false;
		+ private const UPPER = true;
		+
		+ public function __construct( array $input ) {
		+ $this->fields = $input;
		+ }
		+
		+ private function escape( $value ) {
		+ return htmlspecialchars( $value ?? '', ENT_QUOTES, 'UTF-8' );
		+ }
		+
		+ public function process( array $required ) {
		+ foreach( $required as $field ) {
		+ if( empty( $this->fields[ $field ] ) ) {
		+ $this->missing[] = $field;
		+ }
		+ }
		+
		+ $rules = [
		+ 'name' => [ 100, self::KEEP ],
		+ 'street1' => [ 100, self::UPPER ],
		+ 'street2' => [ 100, self::UPPER ],
		+ 'city' => [ 50, self::UPPER ],
		+ 'state' => [ 50, self::UPPER ],
		+ 'postcode' => [ 20, self::UPPER ],
		+ 'country' => [ 2, self::UPPER ],
		+ 'phone' => [ 20, self::KEEP ],
		+ 'email' => [ 254, self::KEEP ],
		+ 'gifted' => [ 100, self::KEEP ]
		+ ];
		+
		+ $clean = [];
		+ foreach( $rules as $field => $config ) {
		+ $value = mb_substr( trim( $this->fields[ $field ] ?? '' ), 0,
		+ $config[ 0 ], 'UTF-8' );
		+
		+ $transform = [
		+ self::KEEP => $value,
		+ self::UPPER => mb_strtoupper( $value, 'UTF-8' )
		+ ];
		+
		+ $clean[ $field ] = $transform[ $config[ 1 ] ];
		+ }
		+ $this->fields = $clean;
		+
		+ return empty( $this->missing );
		+ }
		+
		+ public function export( Session $session ) {
		+ if( empty( $this->missing ) ) {
		+ $session->write( 'user_address', $this->fields );
		+ }
		+ }
		+
		+ public function configure( array &$payload ) {
		+ $payload[ 'shipping_address' ] = [
		+ 'phone_number' => $this->fields[ 'phone' ] ?? '',
		+ 'name' => $this->fields[ 'name' ] ?? '',
		+ 'email' => $this->fields[ 'email' ] ?? '',
		+ 'city' => $this->fields[ 'city' ] ?? '',
		+ 'country_code' => $this->fields[ 'country' ] ?? '',
		+ 'postcode' => $this->fields[ 'postcode' ] ?? '',
		+ 'state_code' => $this->fields[ 'state' ] ?? '',
		+ 'street1' => $this->fields[ 'street1' ] ?? '',
		+ 'street2' => $this->fields[ 'street2' ] ?? ''
		+ ];
		+ return $this->fields[ 'country' ] ?? '';
		+ }
		+
		+ public function render() {
		+ if( !empty( $this->missing ) ) {
		+ echo "<h2>Missing fields</h2><ul>";
		+ foreach( $this->missing as $field ) {
		+ echo "<li>" . $this->escape( $field ) . "</li>";
		+ }
		+ echo "</ul>";
		+ }
		+ }
		+}

Configuration.php

		+<?php
		+class Configuration {
		+ private $settings = [];
		+
		+ public function load() {
		+ $path = $this->homeDirectory() . '/.keys/lulu.config';
		+ if( file_exists( $path ) ) {
		+ $this->settings = json_decode( file_get_contents( $path ), true );
		+ }
		+ }
		+
		+ private function homeDirectory() {
		+ $result = '';
		+
		+ if( function_exists( 'posix_getpwnam' ) ) {
		+ $homedir = posix_getpwnam( get_current_user() );
		+
		+ if( !empty( $homedir[ 'dir' ] ) ) {
		+ $result = $homedir[ 'dir' ];
		+ }
		+ }
		+
		+ if( empty( $result ) ) {
		+ if( !empty( $_SERVER[ 'HOME' ] ) ) {
		+ $result = $_SERVER[ 'HOME' ];
		+ }
		+ elseif( !empty( getenv( 'HOME' ) ) ) {
		+ $result = getenv( 'HOME' );
		+ }
		+ elseif( function_exists( 'posix_getpwuid' ) &&
		+ function_exists( 'posix_getuid' ) ) {
		+ $userInfo = posix_getpwuid( posix_getuid() );
		+
		+ if( !empty( $userInfo[ 'dir' ] ) ) {
		+ $result = $userInfo[ 'dir' ];
		+ }
		+ }
		+ }
		+
		+ return $result;
		+ }
		+
		+ public function configure( Publisher $publisher ) {
		+ $publisher->initialize(
		+ $this->settings[ 'CLIENT_KEY' ] ?? '',
		+ $this->settings[ 'URL_BASE' ] ?? '',
		+ [
		+ 'package' => $this->settings[ 'ORDER_PACKAGE' ] ?? '',
		+ 'pages' => $this->settings[ 'ORDER_PAGE_COUNT' ] ?? 0,
		+ 'quantity' => $this->settings[ 'ORDER_QUANTITY' ] ?? 1,
		+ 'shipping' => $this->settings[ 'ORDER_SHIPPING' ] ?? ''
		+ ]
		+ );
		+ }
		+}

Order.php

		+<?php
		+class Order {
		+ private $summary = [];
		+ private $errorMessage = '';
		+ private $statusCode = 0;
		+
		+ private function escape( $value ) {
		+ return htmlspecialchars( $value ?? '', ENT_QUOTES, 'UTF-8' );
		+ }
		+
		+ public function process( array $apiResponse, int $statusCode ) {
		+ $this->statusCode = $statusCode;
		+ if( $statusCode === 201 ) {
		+ $this->summary = $apiResponse;
		+ } else {
		+ $this->errorMessage = $apiResponse[ 'shipping_address' ][ 'detail' ]
		+ [ 'errors' ][ 0 ][ 'message' ] ?? $apiResponse[ 'detail' ] ??
		+ "An unexpected error occurred (HTTP $statusCode).";
		+ }
		+ }
		+
		+ public function render() {
		+ if( $this->statusCode === 201 ) {
		+ $this->renderSummary();
		+ } else {
		+ $this->renderError();
		+ }
		+ }
		+
		+ private function renderSummary() {
		+ $address = $this->summary[ 'shipping_address' ];
		+ $currency = $this->escape( $this->summary[ 'currency' ] );
		+ ?>
		+ <h2>Order summary</h2>
		+ <section>
		+ <p class="address">
		+ <strong><?= $this->escape( $address[ 'name' ] ) ?></strong><br>
		+ <?= $this->escape( $address[ 'street1' ] ) ?><br>
		+ <?php if( !empty( $address[ 'street2' ] ) ) { ?>
		+ <?= $this->escape( $address[ 'street2' ] ) ?><br>
		+ <?php } ?>
		+ <?= $this->escape( $address[ 'city' ] ) ?>
		+ <?= $this->escape( $address[ 'state_code' ] ) ?>
		+ <?= $this->escape( $address[ 'postcode' ] ) ?><br>
		+ <?= $this->escape( $address[ 'country_code' ] ) ?>
		+ </p>
		+ <table>
		+ <tr>
		+ <td>Book price</td>
		+ <td><?= $this->escape( $this->summary[ 'line_item_costs' ][ 0 ]
		+ [ 'total_cost_excl_tax' ] ) ?> <?= $currency ?></td>
		+ </tr>
		+ <tr>
		+ <td>Shipping</td>
		+ <td><?= $this->escape( $this->summary[ 'shipping_cost' ]
		+ [ 'total_cost_excl_tax' ] ) ?> <?= $currency ?></td>
		+ </tr>
		+ <tr>
		+ <td>Taxes</td>
		+ <td><?= $this->escape( $this->summary[ 'total_tax' ] ) ?>
		+ <?= $currency ?></td>
		+ </tr>
		+ <tr>
		+ <td><strong>Amount due</strong></td>
		+ <td><strong><?= $this->escape(
		+ $this->summary[ 'total_cost_incl_tax' ] ) ?>
		+ <?= $currency ?></strong></td>
		+ </tr>
		+ </table>
		+ </section>
		+ <?php
		+ }
		+
		+ private function renderError() {
		+ ?>
		+ <h2>Shipping calculation error</h2>
		+ <p><?= $this->escape( $this->errorMessage ) ?></p>
		+ <form action='.'>
		+ <button type='submit' onclick='history.back(); return false;'>
		+ Try again
		+ </button>
		+ </form>
		+ <?php
		+ }
		+}

Publisher.php

		+<?php
		+class Publisher {
		+ private $key;
		+ private $base;
		+ private $specs;
		+
		+ private const PATH_AUTH = "auth/realms/glasstree/protocol/openid-connect/token";
		+ private const PATH_COST = "print-job-cost-calculations/";
		+
		+ private const CURRENCY_MAP = [
		+ 'AU'=>'AUD','CA'=>'CAD','GB'=>'GBP','AT'=>'EUR','BE'=>'EUR','CY'=>'EUR',
		+ 'EE'=>'EUR','FI'=>'EUR','FR'=>'EUR','DE'=>'EUR','GR'=>'EUR','IE'=>'EUR',
		+ 'IT'=>'EUR','LV'=>'EUR','LT'=>'EUR','LU'=>'EUR','MT'=>'EUR','NL'=>'EUR',
		+ 'PT'=>'EUR','SK'=>'EUR','SI'=>'EUR','ES'=>'EUR'
		+ ];
		+
		+ public function initialize( string $key, string $base, array $specs ) {
		+ $this->key = $key;
		+ $this->base = $base;
		+ $this->specs = $specs;
		+ }
		+
		+ public function process( Address $address, Order $order ) {
		+ $token = $this->authenticate();
		+
		+ if( !$token ) {
		+ $order->process( [ 'detail' => 'Authentication failed.' ], 401 );
		+ return;
		+ }
		+
		+ $payload = [
		+ 'line_items' => [ [
		+ 'page_count' => $this->specs[ 'pages' ],
		+ 'quantity' => $this->specs[ 'quantity' ],
		+ 'pod_package_id' => $this->specs[ 'package' ]
		+ ] ],
		+ 'shipping_option' => $this->specs[ 'shipping' ]
		+ ];
		+
		+ $country = $address->configure( $payload );
		+ $payload[ 'currency' ] = self::CURRENCY_MAP[ $country ] ?? 'USD';
		+
		+ $context = stream_context_create( [ 'http' => [
		+ 'method' => 'POST',
		+ 'header' => "Authorization: Bearer $token\r\nContent-Type: " .
		+ "application/json\r\n",
		+ 'content' => json_encode( $payload ),
		+ 'ignore_errors' => true
		+ ] ] );
		+
		+ $raw = @file_get_contents( $this->base . self::PATH_COST, false, $context );
		+ $body = json_decode( $raw, true ) ?? [];
		+
		+ $code = 0;
		+
		+ if( !empty( $http_response_header ) ) {
		+ preg_match( "/\d{3}/", $http_response_header[ 0 ], $matches );
		+ $code = intval( $matches[ 0 ] );
		+ }
		+
		+ // Preserve the name and country code for the order summary.
		+ if( $code === 201 && isset( $body[ 'shipping_address' ] ) ) {
		+ $sentName = $payload[ 'shipping_address' ][ 'name' ];
		+ $sentCountry = $payload[ 'shipping_address' ][ 'country_code' ];
		+
		+ if( empty( $body[ 'shipping_address' ][ 'name' ] ) ) {
		+ $body[ 'shipping_address' ][ 'name' ] = $sentName;
		+ }
		+ if( empty( $body[ 'shipping_address' ][ 'country_code' ] ) ) {
		+ $body[ 'shipping_address' ][ 'country_code' ] = $sentCountry;
		+ }
		+ }
		+
		+ $order->process( $body, $code );
		+ }
		+
		+ private function authenticate() {
		+ $context = stream_context_create( [ 'http' => [
		+ 'method' => 'POST',
		+ 'header' => "Authorization: Basic " . base64_encode( $this->key ) .
		+ "\r\nContent-Type: application/x-www-form-urlencoded\r\n",
		+ 'content' => http_build_query( [ 'grant_type' => 'client_credentials' ] )
		+ ] ] );
		+ $response = @file_get_contents(
		+ $this->base . self::PATH_AUTH, false, $context
		+ );
		+
		+ return $response
		+ ? ( json_decode( $response, true )[ 'access_token' ] ?? null )
		+ : null;
		+ }
		+}

Session.php

		+<?php
		+class Session {
		+ public function __construct() {
		+ if( session_status() === PHP_SESSION_NONE ) {
		+ session_start();
		+ }
		+ }
		+
		+ public function write( $key, $value ) {
		+ $_SESSION[ $key ] = $value;
		+ }
		+}

payment.php

		<?php
		-function getHomeDirectory() {
		- $result = '';
		-
		- if( function_exists( 'posix_getpwnam' ) ) {
		- $homedir = posix_getpwnam( get_current_user() );
		-
		- if( !empty( $homedir[ 'dir' ] ) ) {
		- $result = $homedir[ 'dir' ];
		- }
		- }
		-
		- if( empty( $result ) ) {
		- if( !empty( $_SERVER[ 'HOME' ] ) ) {
		- $result = $_SERVER[ 'HOME' ];
		- }
		- elseif( !empty( getenv( 'HOME' ) ) ) {
		- $result = getenv( 'HOME' );
		- }
		- elseif( function_exists( 'posix_getpwuid' ) &&
		- function_exists( 'posix_getuid' ) ) {
		- $userInfo = posix_getpwuid( posix_getuid() );
		-
		- if( !empty( $userInfo[ 'dir' ] ) ) {
		- $result = $userInfo[ 'dir' ];
		- }
		- }
		- }
		- return $result;
		-}
		-
		-$configPath = getHomeDirectory() . '/.keys/lulu.config';
		-$config = json_decode( file_get_contents( $configPath ), true );
		-
		-define( 'CLIENT_KEY', $config[ 'CLIENT_KEY' ] );
		-define( 'URL_BASE', $config[ 'URL_BASE' ] );
		-define( 'ORDER_PAGE_COUNT', $config[ 'ORDER_PAGE_COUNT' ] );
		-define( 'ORDER_PACKAGE', $config[ 'ORDER_PACKAGE' ] );
		-define( 'ORDER_QUANTITY', $config[ 'ORDER_QUANTITY' ] );
		-define( 'ORDER_SHIPPING', $config[ 'ORDER_SHIPPING' ] );
		-
		-const URL_AUTH = URL_BASE . "auth/realms/glasstree/protocol/openid-connect/token";
		-const URL_COST = URL_BASE . "print-job-cost-calculations/";
		-
		-const CURRENCY_MAP = [
		- 'AU'=>'AUD','CA'=>'CAD','GB'=>'GBP',
		- 'AT'=>'EUR','BE'=>'EUR','CY'=>'EUR','EE'=>'EUR','FI'=>'EUR','FR'=>'EUR',
		- 'DE'=>'EUR','GR'=>'EUR','IE'=>'EUR','IT'=>'EUR','LV'=>'EUR','LT'=>'EUR',
		- 'LU'=>'EUR','MT'=>'EUR','NL'=>'EUR','PT'=>'EUR','SK'=>'EUR','SI'=>'EUR',
		- 'ES'=>'EUR'
		-];
		-
		-$required = [
		- "city", "country", "postcode", "state", "street1", "phone", "name", "email"
		-];
		-$missing = [];
		-
		-foreach( $required as $f ) {
		- if( empty( $_POST[ $f ] ) ) {
		- $missing[] = $f;
		- }
		-}
		-
		-$code = 0;
		-$raw_response = "";
		-$error_message = "";
		-
		-if( empty( $missing ) ) {
		- define( 'KEEP', false );
		- define( 'UPPER', true );
		-
		- $fields = [
		- 'name' => [ 100, KEEP ],
		- 'street1' => [ 100, UPPER ],
		- 'street2' => [ 100, UPPER ],
		- 'city' => [ 50, UPPER ],
		- 'state' => [ 50, UPPER ],
		- 'postcode' => [ 20, UPPER ],
		- 'phone' => [ 20, KEEP ],
		- 'email' => [ 254, KEEP ],
		- 'gifted' => [ 100, KEEP ]
		- ];
		-
		- $clean = [];
		-
		- foreach( $fields as $f => $cfg ) {
		- $val = mb_substr( trim( $_POST[ $f ] ?? '' ), 0, $cfg[ 0 ], 'UTF-8' );
		- $transform = [
		- KEEP => $val,
		- UPPER => mb_strtoupper( $val, 'UTF-8' )
		- ];
		- $clean[ $f ] = $transform[ $cfg[ 1 ] ];
		- }
		-
		- $selected_currency = CURRENCY_MAP[ $_POST[ "country" ] ] ?? 'USD';
		-
		- $auth_context = stream_context_create( [
		- "http" => [
		- "method" => "POST",
		- "header" => "Authorization: Basic " .
		- base64_encode( CLIENT_KEY ) .
		- "\r\nContent-Type: application/x-www-form-urlencoded\r\n",
		- "content" => http_build_query( [ "grant_type" => "client_credentials" ] ),
		- ],
		- ] );
		-
		- $auth_json = file_get_contents( URL_AUTH, false, $auth_context );
		- $auth_response = json_decode( $auth_json, 1 );
		- $token = $auth_response[ "access_token" ] ?? null;
		-
		- if( $token ) {
		- $cost_data = [
		- "line_items" => [ [
		- "page_count" => ORDER_PAGE_COUNT,
		- "quantity" => ORDER_QUANTITY,
		- "pod_package_id" => ORDER_PACKAGE
		- ] ],
		- "shipping_address" => [
		- "phone_number" => $clean[ "phone" ],
		- "name" => $clean[ "name" ],
		- "email" => $clean[ "email" ],
		- "city" => $clean[ "city" ],
		- "country_code" => $_POST[ "country" ],
		- "postcode" => $clean[ "postcode" ],
		- "state_code" => $clean[ "state" ],
		- "street1" => $clean[ "street1" ],
		- "street2" => $clean[ "street2" ],
		- ],
		- "shipping_option" => ORDER_SHIPPING,
		- "currency" => $selected_currency,
		- ];
		-
		- $cost_context = stream_context_create( [
		- "http" => [
		- "method" => "POST",
		- "header" => "Authorization: Bearer $token\r\n" .
		- "Content-Type: application/json\r\n",
		- "content" => json_encode( $cost_data ),
		- "ignore_errors" => true,
		- ],
		- ] );
		-
		- $raw_response = file_get_contents( URL_COST, false, $cost_context );
		-
		- if( !empty( $http_response_header ) ) {
		- preg_match( "/\d{3}/", $http_response_header[ 0 ], $m );
		- $code = intval( $m[ 0 ] );
		- }
		-
		- $api_data = json_decode( $raw_response, 1 ) ?? [];
		-
		- if( $code !== 201 ) {
		- $error_message =
		- $api_data[ 'shipping_address' ][ 'detail' ][ 'errors' ][ 0 ][ 'message' ]
		- ?? $api_data[ 'detail' ]
		- ?? "An unexpected error occurred (HTTP $code).";
		- }
		- } else {
		- $error_message = "Authentication failed.";
		- }
		-}
		-
		-function escape( $data ) {
		- if( is_array( $data ) ) {
		- return array_map( 'escape', $data );
		- }
		+require_once 'Configuration.php';
		+require_once 'Address.php';
		+require_once 'Order.php';
		+require_once 'Publisher.php';
		+require_once 'Session.php';

		- return htmlspecialchars( $data ?? '', ENT_QUOTES, 'UTF-8' );
		-}
		+$config = new Configuration();
		+$address = new Address( $_POST );
		+$order = new Order();
		+$publisher = new Publisher();
		+$session = new Session();

		-$response = escape( array_merge(
		- [ 'form' => $_POST, 'missing' => $missing, 'api_error' => $error_message ],
		- $api_data[ 'shipping_address' ] ?? [],
		- $api_data ?? []
		-) );
		+$config->load();
		+$config->configure( $publisher );
		+$valid = $address->process( [
		+ "city", "country", "postcode", "state", "street1", "phone", "name", "email" ]
		+);
		+$address->export( $session );
		?>
		<!DOCTYPE html>

		<h1>autónoma – payment</h1>
		<div class="payment-content">
		- <?php if( !empty( $response[ 'missing' ] ) ) { ?>
		- <h2>Missing fields</h2>
		- <ul>
		- <?php foreach( $response[ 'missing' ] as $m ) { ?>
		- <li><?= $m ?></li>
		- <?php } ?>
		- </ul>
		- <?php } else { ?>
		- <?php if( $code == 201 ) { ?>
		- <h2>Order summary</h2>
		- <section>
		- <p class="address">
		- <strong><?= $_POST[ 'name' ] ?></strong><br>
		- <?= $response[ 'street1' ] ?><br>
		- <?php if( !empty( $response[ 'street2' ] ) ) { ?>
		- <?= $response[ 'street2' ] ?><br>
		- <?php } ?>
		- <?= $response[ 'city' ] ?>
		- <?= $response[ 'state' ] ?>
		- <?= $response[ 'postcode' ] ?><br>
		- <?= $response[ 'country' ] ?><br>
		- </p>
		- <table>
		- <tr>
		- <td>Book price</td>
		- <td><?= $response[ 'line_item_costs' ][0][ 'total_cost_excl_tax' ] ?> <?= $response[ 'currency' ] ?></td>
		- </tr>
		- <tr>
		- <td>Shipping</td>
		- <td><?= $response[ 'shipping_cost' ][ 'total_cost_excl_tax' ] ?> <?= $response[ 'currency' ] ?></td>
		- </tr>
		- <tr>
		- <td>Taxes</td>
		- <td><?= $response[ 'total_tax' ] ?> <?= $response[ 'currency' ] ?></td>
		- </tr>
		- <tr>
		- <td><strong>Amount due</strong></td>
		- <td><strong><?= $response[ 'total_cost_incl_tax' ] ?> <?= $response[ 'currency' ] ?></strong></td>
		- </tr>
		- </table>
		- </section>
		- <?php } else { ?>
		- <h2>Shipping calculation error</h2>
		- <p><?= $response[ 'api_error' ] ?></p>
		- <form action=".">
		- <button type="submit" onclick="history.back(); return false;">
		- Try again
		- </button>
		- </form>
		- <?php } ?>
		- <?php } ?>
		+ <?php
		+ if( $valid ) {
		+ $publisher->process( $address, $order );
		+ $order->render();
		+ } else {
		+ $address->render();
		+ }
		+ ?>
		</div>
		</body>
		</html>
		-

Delta	351 lines added, 224 lines removed, 127-line increase