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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
|
/*
This file is part of GNU Taler
(C) 2022 Taler Systems S.A.
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/>
*/
import {
AmountJson,
Amounts,
TalerError,
TranslatedString
} from "@gnu-taler/taler-util";
import {
notify,
useTranslationContext
} from "@gnu-taler/web-util/browser";
import { format } from "date-fns";
import { Fragment, VNode, h } from "preact";
import { useEffect, useState } from "preact/hooks";
import { mutate } from "swr";
import { ErrorLoading } from "../../components/ErrorLoading.js";
import { Loading } from "../../components/Loading.js";
import { ShowInputErrorLabel } from "../../components/ShowInputErrorLabel.js";
import { useBankCoreApiContext } from "../../context/config.js";
import { useAccountDetails } from "../../hooks/access.js";
import { useBackendState } from "../../hooks/backend.js";
import {
useCashoutDetails,
useEstimator,
useRatiosAndFeeConfig,
} from "../../hooks/circuit.js";
import {
TanChannel,
undefinedIfEmpty,
withRuntimeErrorHandling
} from "../../utils.js";
import { LoginForm } from "../LoginForm.js";
import { InputAmount } from "../PaytoWireTransferForm.js";
import { assertUnreachable } from "../HomePage.js";
import { Attention } from "../../components/Attention.js";
interface Props {
account: string;
onComplete: (id: string) => void;
onCancel: () => void;
}
type FormType = {
isDebit: boolean;
amount: string;
subject: string;
channel: TanChannel;
};
type ErrorFrom<T> = {
[P in keyof T]+?: string;
};
export function CreateCashout({
account: accountName,
onComplete,
onCancel,
}: Props): VNode {
const { i18n } = useTranslationContext();
const resultRatios = useRatiosAndFeeConfig();
const resultAccount = useAccountDetails(accountName);
const {
estimateByCredit: calculateFromCredit,
estimateByDebit: calculateFromDebit,
} = useEstimator();
const { state } = useBackendState()
const creds = state.status !== "loggedIn" ? undefined : state
const { api, config } = useBankCoreApiContext()
const [form, setForm] = useState<Partial<FormType>>({ isDebit: true });
if (!config.have_cashout) {
return <Attention type="warning" title={i18n.str`Unable to create a cashout`} onClose={onCancel}>
<i18n.Translate>The bank configuration does not support cashout operations.</i18n.Translate>
</Attention>
}
if (!config.fiat_currency) {
return <Attention type="warning" title={i18n.str`Unable to create a cashout`} onClose={onCancel}>
<i18n.Translate>The bank configuration support cashout operations but there is no fiat currency.</i18n.Translate>
</Attention>
}
if (!resultAccount || !resultRatios) {
return <Loading />
}
if (resultAccount instanceof TalerError) {
return <ErrorLoading error={resultAccount} />
}
if (resultRatios instanceof TalerError) {
return <ErrorLoading error={resultRatios} />
}
if (resultAccount.type === "fail") {
switch (resultAccount.case) {
case "unauthorized": return <LoginForm reason="forbidden" />
case "not-found": return <LoginForm reason="not-found" />
default: assertUnreachable(resultAccount)
}
}
if (resultRatios.type === "fail") {
switch (resultRatios.case) {
case "not-supported": return <div>cashout operations are not supported</div>
default: assertUnreachable(resultRatios.case)
}
}
const ratio = resultRatios.body
const account = {
balance: Amounts.parseOrThrow(resultAccount.body.balance.amount),
balanceIsDebit: resultAccount.body.balance.credit_debit_indicator == "debit",
debitThreshold: Amounts.parseOrThrow(resultAccount.body.debit_threshold)
}
const zero = Amounts.zeroOfCurrency(account.balance.currency);
const limit = account.balanceIsDebit
? Amounts.sub(account.debitThreshold, account.balance).amount
: Amounts.add(account.balance, account.debitThreshold).amount;
const zeroCalc = { debit: zero, credit: zero, beforeFee: zero };
const [calc, setCalc] = useState(zeroCalc);
const sellRate = ratio.sell_at_ratio;
const sellFee = !ratio.sell_out_fee
? zero
: Amounts.parseOrThrow(
`${account.balance.currency}:${ratio.sell_out_fee}`,
);
if (!sellRate || sellRate < 0) return <div>error rate</div>;
const amount = Amounts.parseOrThrow(
`${!form.isDebit ? config.fiat_currency.name : account.balance.currency}:${!form.amount ? "0" : form.amount
}`,
);
useEffect(() => {
async function doAsync() {
await withRuntimeErrorHandling(i18n, async () => {
const resp = await (form.isDebit ?
calculateFromDebit(amount, sellFee, sellRate) :
calculateFromCredit(amount, sellFee, sellRate));
setCalc(resp)
})
}
doAsync()
}, [form.amount, form.isDebit]);
const balanceAfter = Amounts.sub(account.balance, calc.debit).amount;
function updateForm(newForm: typeof form): void {
setForm(newForm);
}
const errors = undefinedIfEmpty<ErrorFrom<typeof form>>({
amount: !form.amount
? i18n.str`required`
: !amount
? i18n.str`could not be parsed`
: Amounts.cmp(limit, calc.debit) === -1
? i18n.str`balance is not enough`
: Amounts.cmp(calc.beforeFee, sellFee) === -1
? i18n.str`the total amount to transfer does not cover the fees`
: Amounts.isZero(calc.credit)
? i18n.str`the total transfer at destination will be zero`
: undefined,
channel: !form.channel ? i18n.str`required` : undefined,
});
return (
<div>
<h1>New cashout</h1>
<form class="pure-form">
<fieldset>
<label>{i18n.str`Subject`}</label>
<input
value={form.subject ?? ""}
onChange={(e) => {
form.subject = e.currentTarget.value;
updateForm(structuredClone(form));
}}
/>
<ShowInputErrorLabel
message={errors?.subject}
isDirty={form.subject !== undefined}
/>
</fieldset>
<fieldset>
<label for="amount">
{form.isDebit
? i18n.str`Amount to send`
: i18n.str`Amount to receive`}
</label>
<div style={{ display: "flex" }}>
<InputAmount
name="amount"
currency={amount.currency}
value={form.amount}
onChange={(v) => {
form.amount = v;
updateForm(structuredClone(form));
}}
error={errors?.amount}
/>
<label class="toggle" style={{ marginLeft: 4, marginTop: 0 }}>
<input
class="toggle-checkbox"
type="checkbox"
name="asd"
onChange={(e): void => {
form.isDebit = !form.isDebit;
updateForm(structuredClone(form));
}}
/>
<div class="toggle-switch"></div>
</label>
</div>
</fieldset>
<fieldset>
<label>{i18n.str`Conversion rate`}</label>
<input value={sellRate} disabled />
</fieldset>
<fieldset>
<label for="balance-now">{i18n.str`Balance now`}</label>
<InputAmount
name="banace-now"
currency={account.balance.currency}
value={Amounts.stringifyValue(account.balance)}
/>
</fieldset>
<fieldset>
<label for="total-cost"
style={{ fontWeight: "bold", color: "red" }}
>{i18n.str`Total cost`}</label>
<InputAmount
name="total-cost"
currency={account.balance.currency}
value={Amounts.stringifyValue(calc.debit)}
/>
</fieldset>
<fieldset>
<label for="balance-after">{i18n.str`Balance after`}</label>
<InputAmount
name="balance-after"
currency={account.balance.currency}
value={balanceAfter ? Amounts.stringifyValue(balanceAfter) : ""}
/>
</fieldset>{" "}
{Amounts.isZero(sellFee) ? undefined : (
<Fragment>
<fieldset>
<label for="amount-conversiojn">{i18n.str`Amount after conversion`}</label>
<InputAmount
name="amount-conversion"
currency={config.fiat_currency.name}
value={Amounts.stringifyValue(calc.beforeFee)}
/>
</fieldset>
<fieldset>
<label form="cashout-fee">{i18n.str`Cashout fee`}</label>
<InputAmount
name="cashout-fee"
currency={config.fiat_currency.name}
value={Amounts.stringifyValue(sellFee)}
/>
</fieldset>
</Fragment>
)}
<fieldset>
<label for="total"
style={{ fontWeight: "bold", color: "green" }}
>{i18n.str`Total cashout transfer`}</label>
<InputAmount
name="total"
currency={config.fiat_currency.name}
value={Amounts.stringifyValue(calc.credit)}
/>
</fieldset>
<fieldset>
<label>{i18n.str`Confirmation channel`}</label>
<div class="channel">
<input
class={
"pure-button content " +
(form.channel === TanChannel.EMAIL
? "pure-button-primary"
: "pure-button-secondary")
}
type="submit"
value={i18n.str`Email`}
onClick={async (e) => {
e.preventDefault();
form.channel = TanChannel.EMAIL;
updateForm(structuredClone(form));
}}
/>
<input
class={
"pure-button content " +
(form.channel === TanChannel.SMS
? "pure-button-primary"
: "pure-button-secondary")
}
type="submit"
value={i18n.str`SMS`}
onClick={async (e) => {
e.preventDefault();
form.channel = TanChannel.SMS;
updateForm(structuredClone(form));
}}
/>
<input
class={
"pure-button content " +
(form.channel === TanChannel.FILE
? "pure-button-primary"
: "pure-button-secondary")
}
type="submit"
value={i18n.str`FILE`}
onClick={async (e) => {
e.preventDefault();
form.channel = TanChannel.FILE;
updateForm(structuredClone(form));
}}
/>
</div>
<ShowInputErrorLabel
message={errors?.channel}
isDirty={form.channel !== undefined}
/>
</fieldset>
<br />
<div style={{ display: "flex", justifyContent: "space-between" }}>
<button
class="pure-button pure-button-secondary btn-cancel"
onClick={(e) => {
e.preventDefault();
onCancel();
}}
>
{i18n.str`Cancel`}
</button>
<button
class="pure-button pure-button-primary btn-register"
type="submit"
disabled={!!errors}
onClick={async (e) => {
e.preventDefault();
if (errors || !creds) return;
await withRuntimeErrorHandling(i18n, async () => {
const resp = await api.createCashout(creds, {
amount_credit: Amounts.stringify(calc.credit),
amount_debit: Amounts.stringify(calc.debit),
subject: form.subject,
tan_channel: form.channel,
});
if (resp.type === "ok") {
mutate(() => true)// clean cashout list
onComplete(resp.body.cashout_id);
} else {
switch (resp.case) {
case "incorrect-exchange-rate": return notify({
type: "error",
title: i18n.str`The exchange rate was incorrectly applied`,
description: resp.detail.hint as TranslatedString,
debug: resp.detail,
});
case "no-allowed": return notify({
type: "error",
title: i18n.str`This user is not allowed to make a cashout`,
description: resp.detail.hint as TranslatedString,
debug: resp.detail,
});
case "no-contact-info": return notify({
type: "error",
title: i18n.str`Need a contact data where to send the TAN`,
description: resp.detail.hint as TranslatedString,
debug: resp.detail,
});
case "no-enough-balance": return notify({
type: "error",
title: i18n.str`The account does not have sufficient funds`,
description: resp.detail.hint as TranslatedString,
debug: resp.detail,
});
case "tan-not-supported": return notify({
type: "error",
title: i18n.str`The bank does not support the TAN channel for this operation`,
description: resp.detail.hint as TranslatedString,
debug: resp.detail,
});
default: assertUnreachable(resp)
}
}
})
}}
>
{i18n.str`Create`}
</button>
</div>
</form>
</div>
);
}
|