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/*
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 <http://www.gnu.org/licenses/>
*/
/**
* Page shown to the user to confirm entering
* a contract.
*/
/**
* Imports.
*/
import * as i18n from "../../i18n";
import {
AmountJson,
Contract,
ExchangeRecord,
OfferRecord,
} from "../../types";
import { renderContract } 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 {
contract: Contract;
collapsed: boolean;
exchanges: null|ExchangeRecord[];
}
class Details extends React.Component<DetailProps, DetailState> {
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 (
<div>
<button className="linky"
onClick={() => { this.setState({collapsed: false} as any); }}>
<i18n.Translate wrap="span">
show more details
</i18n.Translate>
</button>
</div>
);
} else {
return (
<div>
<button className="linky"
onClick={() => this.setState({collapsed: true} as any)}>
show less details
</button>
<div>
{i18n.str`Accepted exchanges:`}
<ul>
{this.props.contract.exchanges.map(
(e) => <li>{`${e.url}: ${e.master_pub}`}</li>)}
</ul>
{i18n.str`Exchanges in the wallet:`}
<ul>
{(this.props.exchanges || []).map(
(e: ExchangeRecord) =>
<li>{`${e.baseUrl}: ${e.masterPublicKey}`}</li>)}
</ul>
</div>
</div>);
}
}
}
interface ContractPromptProps {
offerId: number;
}
interface ContractPromptState {
offer: OfferRecord|null;
error: string|null;
payDisabled: boolean;
exchanges: null|ExchangeRecord[];
}
class ContractPrompt extends React.Component<ContractPromptProps, ContractPromptState> {
constructor() {
super();
this.state = {
error: null,
exchanges: null,
offer: null,
payDisabled: true,
};
}
componentWillMount() {
this.update();
}
componentWillUnmount() {
// FIXME: abort running ops
}
async update() {
const offer = await wxApi.getOffer(this.props.offerId);
this.setState({offer} as any);
this.checkPayment();
const exchanges = await wxApi.getExchanges();
this.setState({exchanges} as any);
}
async checkPayment() {
const offer = this.state.offer;
if (!offer) {
return;
}
const payStatus = await wxApi.checkPay(offer);
if (payStatus === "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.offer) {
const acceptedExchangePubs = this.state.offer.contract.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 {
this.setState({payDisabled: false, error: null});
}
window.setTimeout(() => this.checkPayment(), 500);
}
async doPayment() {
const offer = this.state.offer;
if (!offer) {
return;
}
const payStatus = await wxApi.confirmPay(offer);
switch (payStatus) {
case "insufficient-balance":
this.checkPayment();
return;
case "paid":
console.log("contract", offer.contract);
document.location.href = offer.contract.fulfillment_url;
break;
}
}
render() {
if (!this.state.offer) {
return <span>...</span>;
}
const c = this.state.offer.contract;
return (
<div>
<div>
{renderContract(c)}
</div>
<button onClick={() => this.doPayment()}
disabled={this.state.payDisabled}
className="accept">
Confirm payment
</button>
<div>
{(this.state.error ? <p className="errorbox">{this.state.error}</p> : <p />)}
</div>
<Details exchanges={this.state.exchanges} contract={c} collapsed={!this.state.error}/>
</div>
);
}
}
document.addEventListener("DOMContentLoaded", () => {
const url = new URI(document.location.href);
const query: any = URI.parseQuery(url.query());
const offerId = JSON.parse(query.offerId);
ReactDOM.render(<ContractPrompt offerId={offerId}/>, document.getElementById(
"contract")!);
});
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