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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This class contains a list of webservice functions related to the PayPal payment gateway.
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*
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* @package paygw_paypal
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* @copyright 2020 Shamim Rezaie <shamim@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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declare(strict_types=1);
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namespace paygw_paypal\external;
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use core_payment\helper;
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use core_external\external_api;
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use core_external\external_function_parameters;
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use core_external\external_value;
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use core_external\external_single_structure;
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class get_config_for_js extends external_api {
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/**
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* Returns description of method parameters.
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*
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* @return external_function_parameters
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*/
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public static function execute_parameters(): external_function_parameters {
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return new external_function_parameters([
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'component' => new external_value(PARAM_COMPONENT, 'Component'),
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'paymentarea' => new external_value(PARAM_AREA, 'Payment area in the component'),
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'itemid' => new external_value(PARAM_INT, 'An identifier for payment area in the component'),
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]);
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}
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/**
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* Returns the config values required by the PayPal JavaScript SDK.
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*
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* @param string $component
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* @param string $paymentarea
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* @param int $itemid
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* @return string[]
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*/
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public static function execute(string $component, string $paymentarea, int $itemid): array {
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self::validate_parameters(self::execute_parameters(), [
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'component' => $component,
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'paymentarea' => $paymentarea,
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'itemid' => $itemid,
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]);
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$config = helper::get_gateway_configuration($component, $paymentarea, $itemid, 'paypal');
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$payable = helper::get_payable($component, $paymentarea, $itemid);
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$surcharge = helper::get_gateway_surcharge('paypal');
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return [
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'clientid' => $config['clientid'],
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'brandname' => $config['brandname'],
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'cost' => helper::get_rounded_cost($payable->get_amount(), $payable->get_currency(), $surcharge),
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'currency' => $payable->get_currency(),
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];
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}
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/**
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* Returns description of method result value.
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*
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* @return external_single_structure
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*/
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public static function execute_returns(): external_single_structure {
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return new external_single_structure([
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'clientid' => new external_value(PARAM_TEXT, 'PayPal client ID'),
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'brandname' => new external_value(PARAM_TEXT, 'Brand name'),
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'cost' => new external_value(PARAM_FLOAT, 'Cost with gateway surcharge'),
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'currency' => new external_value(PARAM_TEXT, 'Currency'),
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]);
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}
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}
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