/* This file is part of TALER (C) 2015 GNUnet e.V. TALER is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. TALER is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with TALER; see the file COPYING. If not, see */ /** * Page shown to the user to confirm entering * a contract. */ /** * Imports. */ import * as i18n from "../../i18n"; import { ExchangeRecord, ProposalRecord, } from "../../dbTypes"; import { ContractTerms } from "../../talerTypes"; import { CheckPayResult, } from "../../walletTypes"; import { renderAmount } from "../renderHtml"; import * as wxApi from "../wxApi"; import * as React from "react"; import * as ReactDOM from "react-dom"; import URI = require("urijs"); interface DetailState { collapsed: boolean; } interface DetailProps { contractTerms: ContractTerms; collapsed: boolean; exchanges: null|ExchangeRecord[]; } class Details extends React.Component { constructor(props: DetailProps) { super(props); console.log("new Details component created"); this.state = { collapsed: props.collapsed, }; console.log("initial state:", this.state); } render() { if (this.state.collapsed) { return (
); } else { return (
{i18n.str`Accepted exchanges:`}
    {this.props.contractTerms.exchanges.map( (e) =>
  • {`${e.url}: ${e.master_pub}`}
  • )}
{i18n.str`Exchanges in the wallet:`}
    {(this.props.exchanges || []).map( (e: ExchangeRecord) =>
  • {`${e.baseUrl}: ${e.masterPublicKey}`}
  • )}
); } } } interface ContractPromptProps { proposalId: number; } interface ContractPromptState { proposal: ProposalRecord|null; error: string|null; payDisabled: boolean; alreadyPaid: boolean; exchanges: null|ExchangeRecord[]; /** * Don't request updates to proposal state while * this is set to true, to avoid UI flickering * when pressing pay. */ holdCheck: boolean; payStatus?: CheckPayResult; } class ContractPrompt extends React.Component { constructor(props: ContractPromptProps) { super(props); this.state = { alreadyPaid: false, error: null, exchanges: null, holdCheck: false, payDisabled: true, proposal: null, }; } componentWillMount() { this.update(); } componentWillUnmount() { // FIXME: abort running ops } async update() { const proposal = await wxApi.getProposal(this.props.proposalId); this.setState({proposal} as any); this.checkPayment(); const exchanges = await wxApi.getExchanges(); this.setState({exchanges} as any); } async checkPayment() { window.setTimeout(() => this.checkPayment(), 500); if (this.state.holdCheck) { return; } const payStatus = await wxApi.checkPay(this.props.proposalId); if (payStatus.status === "insufficient-balance") { const msgInsufficient = i18n.str`You have insufficient funds of the requested currency in your wallet.`; // tslint:disable-next-line:max-line-length const msgNoMatch = i18n.str`You do not have any funds from an exchange that is accepted by this merchant. None of the exchanges accepted by the merchant is known to your wallet.`; if (this.state.exchanges && this.state.proposal) { const acceptedExchangePubs = this.state.proposal.contractTerms.exchanges.map((e) => e.master_pub); const ex = this.state.exchanges.find((e) => acceptedExchangePubs.indexOf(e.masterPublicKey) >= 0); if (ex) { this.setState({error: msgInsufficient}); } else { this.setState({error: msgNoMatch}); } } else { this.setState({error: msgInsufficient}); } this.setState({payDisabled: true}); } else if (payStatus.status === "paid") { this.setState({alreadyPaid: true, payDisabled: false, error: null, payStatus}); } else { this.setState({payDisabled: false, error: null, payStatus}); } } async doPayment() { const proposal = this.state.proposal; this.setState({holdCheck: true}); if (!proposal) { return; } const payStatus = await wxApi.confirmPay(this.props.proposalId); switch (payStatus) { case "insufficient-balance": this.checkPayment(); return; case "paid": console.log("contract", proposal.contractTerms); document.location.href = proposal.contractTerms.fulfillment_url; break; } this.setState({holdCheck: true}); } render() { if (!this.state.proposal) { return ...; } const c = this.state.proposal.contractTerms; let merchantName; if (c.merchant && c.merchant.name) { merchantName = {c.merchant.name}; } else { merchantName = (pub: {c.merchant_pub}); } const amount = {renderAmount(c.amount)}; console.log("payStatus", this.state.payStatus); return (
The merchant {merchantName} {" "} offers you to purchase:
    {c.products.map( (p: any, i: number) => (
  • {p.description}: {renderAmount(p.price)}
  • )) }
{(this.state.payStatus && this.state.payStatus.coinSelection) ?

The total price is {amount}{" "} (plus {renderAmount(this.state.payStatus.coinSelection.totalFees)} fees).

:

The total price is {amount}.

}
{(this.state.alreadyPaid ?

You already paid for this, clicking "Confirm payment" will not cost money again.

:

)} {(this.state.error ?

{this.state.error}

:

)}

); } } document.addEventListener("DOMContentLoaded", () => { const url = new URI(document.location.href); const query: any = URI.parseQuery(url.query()); const proposalId = JSON.parse(query.proposalId); ReactDOM.render(, document.getElementById( "contract")!); });