simplify directories

1 files changed, 182 insertions, 0 deletions

diff --git a/packages/demobank-ui/src/pages/PublicHistoriesPage.tsx b/packages/demobank-ui/src/pages/PublicHistoriesPage.tsx
new file mode 100644
index 000000000..be9f4aee1
--- /dev/null
+++ b/packages/demobank-ui/src/pages/PublicHistoriesPage.tsx
@@ -0,0 +1,182 @@
+/*
+ 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];
+}