aboutsummaryrefslogtreecommitdiff
path: root/src/webex/pages/confirm-contract.tsx
blob: dc7bd46af5475bdec3b7e085869d2469ddbdbd78 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
/*
 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")!);
});