aboutsummaryrefslogtreecommitdiff
path: root/src/headless/merchant.ts
blob: 1b963073255dd5e05a4f5cc90f5a2c70f0b81885 (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
/*
 This file is part of GNU Taler
 (C) 2019 GNUnet e.V.

 GNU 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.

 GNU 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
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

/**
 * Helpers for talking to the GNU Taler merchant backend.
 * Used mostly for integration tests.
 */

/**
 * Imports.
 */
import axios from "axios";
import { CheckPaymentResponse } from "../talerTypes";

/**
 * Connection to the *internal* merchant backend.
 */
export class MerchantBackendConnection {
  async refund(
    orderId: string,
    reason: string,
    refundAmount: string,
  ): Promise<void> {
    const reqUrl = new URL("refund", this.merchantBaseUrl);
    const refundReq = {
      order_id: orderId,
      reason,
      refund: refundAmount,
    };
    const resp = await axios({
      method: "post",
      url: reqUrl.href,
      data: refundReq,
      responseType: "json",
      headers: {
        Authorization: `ApiKey ${this.apiKey}`,
      },
    });
    if (resp.status != 200) {
      throw Error("failed to do refund");
    }
    console.log("response", resp.data);
    const refundUri = resp.data.taler_refund_uri;
    if (!refundUri) {
      throw Error("no refund URI in response");
    }
    return refundUri;
  }

  constructor(public merchantBaseUrl: string, public apiKey: string) {}

  async authorizeTip(amount: string, justification: string) {
    const reqUrl = new URL("tip-authorize", this.merchantBaseUrl).href;
    const tipReq = {
      amount,
      justification,
    };
    const resp = await axios({
      method: "post",
      url: reqUrl,
      data: tipReq,
      responseType: "json",
      headers: {
        Authorization: `ApiKey ${this.apiKey}`,
      },
    });
    const tipUri = resp.data.taler_tip_uri;
    if (!tipUri) {
      throw Error("response does not contain tip URI");
    }
    return tipUri;
  }

  async createOrder(
    amount: string,
    summary: string,
    fulfillmentUrl: string,
  ): Promise<{ orderId: string }> {
    const reqUrl = new URL("order", this.merchantBaseUrl).href;
    const orderReq = {
      order: {
        amount,
        summary,
        fulfillment_url: fulfillmentUrl,
      },
    };
    const resp = await axios({
      method: "post",
      url: reqUrl,
      data: orderReq,
      responseType: "json",
      headers: {
        Authorization: `ApiKey ${this.apiKey}`,
      },
    });
    if (resp.status != 200) {
      throw Error("failed to create bank reserve");
    }
    const orderId = resp.data.order_id;
    if (!orderId) {
      throw Error("no order id in response");
    }
    return { orderId };
  }

  async checkPayment(orderId: string): Promise<CheckPaymentResponse> {
    const reqUrl = new URL("check-payment", this.merchantBaseUrl).href;
    const resp = await axios({
      method: "get",
      url: reqUrl,
      params: { order_id: orderId },
      responseType: "json",
      headers: {
        Authorization: `ApiKey ${this.apiKey}`,
      },
    });
    if (resp.status != 200) {
      throw Error("failed to check payment");
    }
    return CheckPaymentResponse.checked(resp.data);
  }
}