{"version":3,"file":"gateways_modal.min.js","sources":["../src/gateways_modal.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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 * Contain the logic for the gateways modal.\n *\n * @module     core_payment/gateways_modal\n * @copyright  2019 Shamim Rezaie <shamim@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport ModalFactory from 'core/modal_factory';\nimport Templates from 'core/templates';\nimport {get_string as getString} from 'core/str';\nimport {getAvailableGateways} from './repository';\nimport Selectors from './selectors';\nimport ModalEvents from 'core/modal_events';\nimport PaymentEvents from 'core_payment/events';\nimport {add as addToast, addToastRegion} from 'core/toast';\nimport Notification from 'core/notification';\nimport ModalGateways from './modal_gateways';\n\n/**\n * Register event listeners for the module.\n */\nconst registerEventListeners = () => {\n    document.addEventListener('click', e => {\n        const gatewayTrigger = e.target.closest('[data-action=\"core_payment/triggerPayment\"]');\n        if (gatewayTrigger) {\n            e.preventDefault();\n\n            show(gatewayTrigger, {focusOnClose: e.target});\n        }\n    });\n};\n\n/**\n * Shows the gateway selector modal.\n *\n * @param {HTMLElement} rootNode\n * @param {Object} options - Additional options\n * @param {HTMLElement} options.focusOnClose The element to focus on when the modal is closed.\n */\nconst show = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const modal = await ModalFactory.create({\n        type: ModalGateways.TYPE,\n        title: await getString('selectpaymenttype', 'core_payment'),\n        body: await Templates.render('core_payment/gateways_modal', {}),\n    });\n\n    const rootElement = modal.getRoot()[0];\n    addToastRegion(rootElement);\n\n    modal.show();\n\n    modal.getRoot().on(ModalEvents.hidden, () => {\n        // Destroy when hidden.\n        modal.destroy();\n        try {\n            focusOnClose.focus();\n        } catch (e) {\n            // eslint-disable-line\n        }\n    });\n\n    modal.getRoot().on(PaymentEvents.proceed, (e) => {\n        const gateway = (rootElement.querySelector(Selectors.values.gateway) || {value: ''}).value;\n\n        if (gateway) {\n            processPayment(\n                gateway,\n                rootNode.dataset.component,\n                rootNode.dataset.paymentarea,\n                rootNode.dataset.itemid,\n                rootNode.dataset.description\n            )\n            .then(message => {\n                modal.hide();\n                Notification.addNotification({\n                    message: message,\n                    type: 'success',\n                });\n                location.href = rootNode.dataset.successurl;\n\n                // The following return statement is never reached. It is put here just to make eslint happy.\n                return message;\n            })\n            .catch(message => Notification.alert('', message));\n        } else {\n            // We cannot use await in the following line.\n            // The reason is that we are preventing the default action of the save event being triggered,\n            // therefore we cannot define the event handler function asynchronous.\n            getString('nogatewayselected', 'core_payment').then(message => addToast(message)).catch();\n        }\n\n        e.preventDefault();\n    });\n\n    // Re-calculate the cost when gateway is changed.\n    rootElement.addEventListener('change', e => {\n        if (e.target.matches(Selectors.elements.gateways)) {\n            updateCostRegion(rootElement, rootNode.dataset.cost);\n        }\n    });\n\n    const gateways = await getAvailableGateways(rootNode.dataset.component, rootNode.dataset.paymentarea, rootNode.dataset.itemid);\n    const context = {\n        gateways\n    };\n\n    const {html, js} = await Templates.renderForPromise('core_payment/gateways', context);\n    Templates.replaceNodeContents(rootElement.querySelector(Selectors.regions.gatewaysContainer), html, js);\n    selectSingleGateway(rootElement);\n    await updateCostRegion(rootElement, rootNode.dataset.cost);\n};\n\n/**\n * Auto-select the gateway if there is only one gateway.\n *\n * @param {HTMLElement} root An HTMLElement that contains the cost region\n */\nconst selectSingleGateway = root => {\n    const gateways = root.querySelectorAll(Selectors.elements.gateways);\n\n    if (gateways.length == 1) {\n        gateways[0].checked = true;\n    }\n};\n\n/**\n * Shows the cost of the item the user is purchasing in the cost region.\n *\n * @param {HTMLElement} root An HTMLElement that contains the cost region\n * @param {string} defaultCost The default cost that is going to be displayed if no gateway is selected\n * @returns {Promise<void>}\n */\nconst updateCostRegion = async(root, defaultCost = '') => {\n    const gatewayElement = root.querySelector(Selectors.values.gateway);\n    const surcharge = parseInt((gatewayElement || {dataset: {surcharge: 0}}).dataset.surcharge);\n    const cost = (gatewayElement || {dataset: {cost: defaultCost}}).dataset.cost;\n\n    const {html, js} = await Templates.renderForPromise('core_payment/fee_breakdown', {fee: cost, surcharge});\n    Templates.replaceNodeContents(root.querySelector(Selectors.regions.costContainer), html, js);\n};\n\n/**\n * Process payment using the selected gateway.\n *\n * @param {string} gateway The gateway to be used for payment\n * @param {string} component Name of the component that the itemId belongs to\n * @param {string} paymentArea Name of the area in 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 */\nconst processPayment = async(gateway, component, paymentArea, itemId, description) => {\n    const paymentMethod = await import(`paygw_${gateway}/gateways_modal`);\n    return paymentMethod.process(component, paymentArea, itemId, description);\n};\n\n/**\n * Set up the payment actions.\n */\nexport const init = () => {\n    if (!init.initialised) {\n        // Event listeners should only be registered once.\n        init.initialised = true;\n        registerEventListeners();\n    }\n};\n\n/**\n * Whether the init function was called before.\n *\n * @static\n * @type {boolean}\n */\ninit.initialised = 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