From 5fc8f95a5d4ce8dea03b2dbec7eb5c37e7ff3f15 Mon Sep 17 00:00:00 2001 From: Sebastian Date: Fri, 9 Dec 2022 12:15:15 -0300 Subject: simplify directories --- packages/demobank-ui/src/pages/AccountPage.tsx | 266 +++++++++++++++++++++++++ 1 file changed, 266 insertions(+) create mode 100644 packages/demobank-ui/src/pages/AccountPage.tsx (limited to 'packages/demobank-ui/src/pages/AccountPage.tsx') diff --git a/packages/demobank-ui/src/pages/AccountPage.tsx b/packages/demobank-ui/src/pages/AccountPage.tsx new file mode 100644 index 000000000..7ec4d36fb --- /dev/null +++ b/packages/demobank-ui/src/pages/AccountPage.tsx @@ -0,0 +1,266 @@ +/* + 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 + */ + +import { Amounts, HttpStatusCode, Logger } from "@gnu-taler/taler-util"; +import { useTranslationContext } from "@gnu-taler/web-util/lib/index.browser"; +import { ComponentChildren, Fragment, h, VNode } from "preact"; +import { useEffect } from "preact/hooks"; +import useSWR, { SWRConfig, useSWRConfig } from "swr"; +import { useBackendContext } from "../context/backend.js"; +import { PageStateType, usePageContext } from "../context/pageState.js"; +import { BackendInfo } from "../hooks/backend.js"; +import { bankUiSettings } from "../settings.js"; +import { getIbanFromPayto, prepareHeaders } from "../utils.js"; +import { BankFrame } from "./BankFrame.js"; +import { LoginForm } from "./LoginForm.js"; +import { PaymentOptions } from "./PaymentOptions.js"; +import { Transactions } from "./Transactions.js"; +import { WithdrawalQRCode } from "./WithdrawalQRCode.js"; + +export function AccountPage(): VNode { + const backend = useBackendContext(); + const { i18n } = useTranslationContext(); + + if (backend.state.status === "loggedOut") { + return ( + +

{i18n.str`Welcome to ${bankUiSettings.bankName}!`}

+ + + ); + } + + return ( + + + + ); +} + +/** + * Factor out login credentials. + */ +function SWRWithCredentials({ + children, + info, +}: { + children: ComponentChildren; + info: BackendInfo; +}): VNode { + const { username, password, url: backendUrl } = info; + const headers = prepareHeaders(username, password); + return ( + { + return fetch(new URL(url, backendUrl).href, { headers }).then((r) => { + if (!r.ok) throw { status: r.status, json: r.json() }; + + return r.json(); + }); + }, + }} + > + {children as any} + + ); +} + +const logger = new Logger("AccountPage"); + +/** + * Show only the account's balance. NOTE: the backend state + * is mostly needed to provide the user's credentials to POST + * to the bank. + */ +function Account({ accountLabel }: { accountLabel: string }): VNode { + const { cache } = useSWRConfig(); + + // Getting the bank account balance: + const endpoint = `access-api/accounts/${accountLabel}`; + const { data, error, mutate } = useSWR(endpoint, { + // refreshInterval: 0, + // revalidateIfStale: false, + // revalidateOnMount: false, + // revalidateOnFocus: false, + // revalidateOnReconnect: false, + }); + const backend = useBackendContext(); + const { pageState, pageStateSetter: setPageState } = usePageContext(); + const { withdrawalId, talerWithdrawUri, timestamp } = pageState; + const { i18n } = useTranslationContext(); + useEffect(() => { + mutate(); + }, [timestamp]); + + /** + * This part shows a list of transactions: with 5 elements by + * default and offers a "load more" button. + */ + // const [txPageNumber, setTxPageNumber] = useTransactionPageNumber(); + // const txsPages = []; + // for (let i = 0; i <= txPageNumber; i++) { + // txsPages.push(); + // } + + if (typeof error !== "undefined") { + logger.error("account error", error, endpoint); + /** + * FIXME: to minimize the code, try only one invocation + * of pageStateSetter, after having decided the error + * message in the case-branch. + */ + switch (error.status) { + case 404: { + backend.clear(); + setPageState((prevState: PageStateType) => ({ + ...prevState, + + error: { + title: i18n.str`Username or account label '${accountLabel}' not found. Won't login.`, + }, + })); + + /** + * 404 should never stick to the cache, because they + * taint successful future registrations. How? After + * registering, the user gets navigated to this page, + * therefore a previous 404 on this SWR key (the requested + * resource) would still appear as valid and cause this + * page not to be shown! A typical case is an attempted + * login of a unregistered user X, and then a registration + * attempt of the same user X: in this case, the failed + * login would cache a 404 error to X's profile, resulting + * in the legitimate request after the registration to still + * be flagged as 404. Clearing the cache should prevent + * this. */ + (cache as any).clear(); + return

Profile not found...

; + } + case HttpStatusCode.Unauthorized: + case HttpStatusCode.Forbidden: { + backend.clear(); + setPageState((prevState: PageStateType) => ({ + ...prevState, + error: { + title: i18n.str`Wrong credentials given.`, + }, + })); + return

Wrong credentials...

; + } + default: { + backend.clear(); + setPageState((prevState: PageStateType) => ({ + ...prevState, + error: { + title: i18n.str`Account information could not be retrieved.`, + debug: JSON.stringify(error), + }, + })); + return

Unknown problem...

; + } + } + } + const balance = !data ? undefined : Amounts.parseOrThrow(data.balance.amount); + const accountNumber = !data ? undefined : getIbanFromPayto(data.paytoUri); + const balanceIsDebit = data && data.balance.credit_debit_indicator == "debit"; + + /** + * This block shows the withdrawal QR code. + * + * A withdrawal operation replaces everything in the page and + * (ToDo:) starts polling the backend until either the wallet + * selected a exchange and reserve public key, or a error / abort + * happened. + * + * After reaching one of the above states, the user should be + * brought to this ("Account") page where they get informed about + * the outcome. + */ + if (talerWithdrawUri && withdrawalId) { + logger.trace("Bank created a new Taler withdrawal"); + return ( + + + + ); + } + const balanceValue = !balance ? undefined : Amounts.stringifyValue(balance); + + return ( + +
+

+ + Welcome, + {accountNumber + ? `${accountLabel} (${accountNumber})` + : accountLabel} + ! + +

+
+
+
+

{i18n.str`Bank account balance`}

+ {!balance ? ( +
+ Waiting server response... +
+ ) : ( +
+ {balanceIsDebit ? - : null} + {`${balanceValue}`}  + {`${balance.currency}`} +
+ )} +
+
+
+
+

{i18n.str`Payments`}

+ +
+
+
+
+

{i18n.str`Latest transactions:`}

+ +
+
+ + ); +} + +// function useTransactionPageNumber(): [number, StateUpdater] { +// const ret = useNotNullLocalStorage("transaction-page", "0"); +// const retObj = JSON.parse(ret[0]); +// const retSetter: StateUpdater = function (val) { +// const newVal = +// val instanceof Function +// ? JSON.stringify(val(retObj)) +// : JSON.stringify(val); +// ret[1](newVal); +// }; +// return [retObj, retSetter]; +// } -- cgit v1.2.3