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/*
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 { Logger } from "@gnu-taler/taler-util";
import { useLocalStorage } from "@gnu-taler/web-util/lib/index.browser";
import { ComponentChildren, Fragment, h, VNode } from "preact";
import { route } from "preact-router";
import { StateUpdater } from "preact/hooks";
import useSWR, { SWRConfig } from "swr";
import { PageStateType, usePageContext } from "../context/pageState.js";
import { useTranslationContext } from "@gnu-taler/web-util/lib/index.browser";
import { getBankBackendBaseUrl } from "../utils.js";
import { BankFrame } from "./BankFrame.js";
import { Transactions } from "./Transactions.js";
const logger = new Logger("PublicHistoriesPage");
export function PublicHistoriesPage(): VNode {
return (
<SWRWithoutCredentials baseUrl={getBankBackendBaseUrl()}>
<BankFrame>
<PublicHistories />
</BankFrame>
</SWRWithoutCredentials>
);
}
function SWRWithoutCredentials({
baseUrl,
children,
}: {
children: ComponentChildren;
baseUrl: string;
}): VNode {
logger.trace("Base URL", baseUrl);
return (
<SWRConfig
value={{
fetcher: (url: string) =>
fetch(baseUrl + url || "").then((r) => {
if (!r.ok) throw { status: r.status, json: r.json() };
return r.json();
}),
}}
>
{children as any}
</SWRConfig>
);
}
/**
* Show histories of public accounts.
*/
function PublicHistories(): VNode {
const { pageState, pageStateSetter } = usePageContext();
const [showAccount, setShowAccount] = useShowPublicAccount();
const { data, error } = useSWR("access-api/public-accounts");
const { i18n } = useTranslationContext();
if (typeof error !== "undefined") {
switch (error.status) {
case 404:
logger.error("public accounts: 404", error);
route("/account");
pageStateSetter((prevState: PageStateType) => ({
...prevState,
error: {
title: i18n.str`List of public accounts was not found.`,
debug: JSON.stringify(error),
},
}));
break;
default:
logger.error("public accounts: non-404 error", error);
route("/account");
pageStateSetter((prevState: PageStateType) => ({
...prevState,
error: {
title: i18n.str`List of public accounts could not be retrieved.`,
debug: JSON.stringify(error),
},
}));
break;
}
}
if (!data) return <p>Waiting public accounts list...</p>;
const txs: Record<string, h.JSX.Element> = {};
const accountsBar = [];
/**
* Show the account specified in the props, or just one
* from the list if that's not given.
*/
if (typeof showAccount === "undefined" && data.publicAccounts.length > 0) {
setShowAccount(data.publicAccounts[1].accountLabel);
}
logger.trace(`Public history tab: ${showAccount}`);
// Ask story of all the public accounts.
for (const account of data.publicAccounts) {
logger.trace("Asking transactions for", account.accountLabel);
const isSelected = account.accountLabel == showAccount;
accountsBar.push(
<li
class={
isSelected
? "pure-menu-selected pure-menu-item"
: "pure-menu-item pure-menu"
}
>
<a
href="#"
class="pure-menu-link"
onClick={() => setShowAccount(account.accountLabel)}
>
{account.accountLabel}
</a>
</li>,
);
txs[account.accountLabel] = (
<Transactions accountLabel={account.accountLabel} pageNumber={0} />
);
}
return (
<Fragment>
<h1 class="nav">{i18n.str`History of public accounts`}</h1>
<section id="main">
<article>
<div class="pure-menu pure-menu-horizontal" name="accountMenu">
<ul class="pure-menu-list">{accountsBar}</ul>
{typeof showAccount !== "undefined" ? (
txs[showAccount]
) : (
<p>No public transactions found.</p>
)}
<br />
<a href="/account" class="pure-button">
Go back
</a>
</div>
</article>
</section>
</Fragment>
);
}
/**
* Stores in the state a object containing a 'username'
* and 'password' field, in order to avoid losing the
* handle of the data entered by the user in <input> fields.
*/
function useShowPublicAccount(
state?: string,
): [string | undefined, StateUpdater<string | undefined>] {
const ret = useLocalStorage("show-public-account", JSON.stringify(state));
const retObj: string | undefined = ret[0] ? JSON.parse(ret[0]) : ret[0];
const retSetter: StateUpdater<string | undefined> = function (val) {
const newVal =
val instanceof Function
? JSON.stringify(val(retObj))
: JSON.stringify(val);
ret[1](newVal);
};
return [retObj, retSetter];
}
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