Your IP : 216.73.216.95
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is responsible for PayPal content in the gateways modal.\n *\n * @module paygw_paypal/gateway_modal\n * @copyright 2020 Shamim Rezaie <shamim@moodle.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as Repository from './repository';\nimport Templates from 'core/templates';\nimport Truncate from 'core/truncate';\nimport ModalFactory from 'core/modal_factory';\nimport ModalEvents from 'core/modal_events';\nimport {get_string as getString} from 'core/str';\n\n/**\n * Creates and shows a modal that contains a placeholder.\n *\n * @returns {Promise<Modal>}\n */\nconst showModalWithPlaceholder = async() => {\n const modal = await ModalFactory.create({\n body: await Templates.render('paygw_paypal/paypal_button_placeholder', {})\n });\n modal.show();\n return modal;\n};\n\n/**\n * Process the payment.\n *\n * @param {string} component Name of the component that the itemId belongs to\n * @param {string} paymentArea The area of the component that the itemId belongs to\n * @param {number} itemId An internal identifier that is used by the component\n * @param {string} description Description of the payment\n * @returns {Promise<string>}\n */\nexport const process = (component, paymentArea, itemId, description) => {\n return Promise.all([\n showModalWithPlaceholder(),\n Repository.getConfigForJs(component, paymentArea, itemId),\n ])\n .then(([modal, paypalConfig]) => {\n modal.getRoot().on(ModalEvents.hidden, () => {\n // Destroy when hidden.\n modal.destroy();\n });\n\n return Promise.all([\n modal,\n paypalConfig,\n switchSdk(paypalConfig.clientid, paypalConfig.currency),\n ]);\n })\n .then(([modal, paypalConfig]) => {\n // We have to clear the body. The render method in paypal.Buttons will render everything.\n modal.setBody('');\n\n return new Promise(resolve => {\n window.paypal.Buttons({\n // Set up the transaction.\n createOrder: function(data, actions) {\n return actions.order.create({\n purchase_units: [{ // eslint-disable-line\n amount: {\n currency_code: paypalConfig.currency_code, // eslint-disable-line\n value: paypalConfig.cost,\n },\n description: Truncate.truncate(description, {length: 127, stripTags: true}),\n }],\n application_context: { // eslint-disable-line\n shipping_preference: 'NO_SHIPPING', // eslint-disable-line\n brand_name: Truncate.truncate(paypalConfig.brandname, {length: 127, stripTags: true}), // eslint-disable-line\n },\n });\n },\n // Finalise the transaction.\n onApprove: function(data) {\n modal.getRoot().on(ModalEvents.outsideClick, (e) => {\n // Prevent closing the modal when clicking outside of it.\n e.preventDefault();\n });\n\n modal.setBody(getString('authorising', 'paygw_paypal'));\n\n Repository.markTransactionComplete(component, paymentArea, itemId, data.orderID)\n .then(res => {\n modal.hide();\n return res;\n })\n .then(resolve);\n }\n }).render(modal.getBody()[0]);\n });\n })\n .then(res => {\n if (res.success) {\n return Promise.resolve(res.message);\n }\n\n return Promise.reject(res.message);\n });\n};\n\n/**\n * Unloads the previously loaded PayPal JavaScript SDK, and loads a new one.\n *\n * @param {string} clientId PayPal client ID\n * @param {string} currency The currency\n * @returns {Promise}\n */\nconst switchSdk = (clientId, currency) => {\n const sdkUrl = `https://www.paypal.com/sdk/js?client-id=${clientId}¤cy=${currency}`;\n\n // Check to see if this file has already been loaded. If so just go straight to the func.\n if (switchSdk.currentlyloaded === sdkUrl) {\n return Promise.resolve();\n }\n\n // PayPal can only work with one currency at the same time. We have to unload the previously loaded script\n // if it was loaded for a different currency. Weird way indeed, but the only way.\n // See: https://github.com/paypal/paypal-checkout-components/issues/1180\n if (switchSdk.currentlyloaded) {\n const suspectedScript = document.querySelector(`script[src=\"${switchSdk.currentlyloaded}\"]`);\n if (suspectedScript) {\n suspectedScript.parentNode.removeChild(suspectedScript);\n }\n }\n\n const script = document.createElement('script');\n\n return new Promise(resolve => {\n if (script.readyState) {\n script.onreadystatechange = function() {\n if (this.readyState == 'complete' || this.readyState == 'loaded') {\n this.onreadystatechange = null;\n resolve();\n }\n };\n } else {\n script.onload = function() {\n resolve();\n };\n }\n\n script.setAttribute('src', sdkUrl);\n document.head.appendChild(script);\n\n switchSdk.currentlyloaded = sdkUrl;\n });\n};\n\n/**\n * Holds the full url of loaded PayPal JavaScript SDK.\n *\n * @static\n * @type {string}\n */\nswitchSdk.currentlyloaded = '';\n"],"file":"gateways_modal.min.js"}