aboutsummaryrefslogtreecommitdiff
path: root/pages/confirm-contract.tsx
blob: 6cdc5ddf9f1f2a1f222786b946e5c725784d49e5 (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
/*
 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.
 *
 * @author Florian Dold
 */


/// <reference path="../lib/decl/preact.d.ts" />
import {substituteFulfillmentUrl} from "../lib/wallet/helpers";
import {Contract, AmountJson} from "../lib/wallet/types";
import {renderContract, prettyAmount} from "../lib/wallet/renderHtml";
"use strict";


interface DetailState {
  collapsed: boolean;
}

interface DetailProps {
  contract: Contract;
}


class Details extends preact.Component<DetailProps, DetailState> {
  constructor() {
    super();
    this.state = {
      collapsed: true
    };
  }

  render(props: DetailProps, state: DetailState) {
    if (state.collapsed) {
      return (
        <div>
          <button className="linky"
                  onClick={() => { this.setState({collapsed: false})}}>
            show more details
          </button>
        </div>
      );
    } else {
      return (
        <div>
          <button className="linky"
                  onClick={() => this.setState({collapsed: true})}>
            show less details
          </button>
          <div>
            Accepted exchanges:
            <ul>
              {props.contract.exchanges.map(
                e => <li>{`${e.url}: ${e.master_pub}`}</li>)}
            </ul>
          </div>
        </div>);
    }
  }
}

interface ContractPromptProps {
  offer: any;
}

interface ContractPromptState {
  error: string|null;
  payDisabled: boolean;
}

class ContractPrompt extends preact.Component<ContractPromptProps, ContractPromptState> {
  constructor() {
    super();
    this.state = {
      error: null,
      payDisabled: true,
    }
  }

  componentWillMount() {
    this.checkPayment();
  }

  componentWillUnmount() {
    // FIXME: abort running ops
  }

  checkPayment() {
    let msg = {
      type: 'check-pay',
      detail: {
        offer: this.props.offer
      }
    };
    chrome.runtime.sendMessage(msg, (resp) => {
      if (resp.error) {
        console.log("check-pay error", JSON.stringify(resp));
        switch (resp.error) {
          case "coins-insufficient":
            this.state.error = i18n`You have insufficient funds of the requested currency in your wallet.`;
            break;
          default:
            this.state.error = `Error: ${resp.error}`;
            break;
        }
        this.state.payDisabled = true;
      } else {
        this.state.payDisabled = false;
        this.state.error = null;
      }
      this.forceUpdate();
      window.setTimeout(() => this.checkPayment(), 300);
    });
  }

  doPayment() {
    let d = {offer: this.props.offer};
    chrome.runtime.sendMessage({type: 'confirm-pay', detail: d}, (resp) => {
      if (resp.error) {
        console.log("confirm-pay error", JSON.stringify(resp));
        switch (resp.error) {
          case "coins-insufficient":
            this.state.error = "You do not have enough coins of the" +
              " requested currency.";
            break;
          default:
            this.state.error = `Error: ${resp.error}`;
            break;
        }
        preact.rerender();
        return;
      }
      let c = d.offer.contract;
      console.log("contract", c);
      document.location.href = substituteFulfillmentUrl(c.fulfillment_url,
                                                        this.props.offer);
    });
  }


  render(props: ContractPromptProps, state: ContractPromptState) {
    let c = props.offer.contract;
    return (
      <div>
        {renderContract(c)}
        <button onClick={() => this.doPayment()}
                disabled={state.payDisabled}
                className="accept">
          Confirm payment
        </button>
        (state.error ? <p className="errorbox">{state.error}</p> : <p />)
        <Details contract={c} />
      </div>
    );
  }
}


export function main() {
  let url = URI(document.location.href);
  let query: any = URI.parseQuery(url.query());
  let offer = JSON.parse(query.offer);
  console.dir(offer);
  let contract = offer.contract;

  preact.render(<ContractPrompt offer={offer}/>, document.getElementById(
    "contract")!);
}