p2p tx rendering

5 files changed, 368 insertions, 0 deletions

diff --git a/packages/taler-wallet-webextension/src/cta/TransferCreate/index.ts b/packages/taler-wallet-webextension/src/cta/TransferCreate/index.ts
new file mode 100644
index 000000000..fd034341e
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/cta/TransferCreate/index.ts
@@ -0,0 +1,78 @@
+/*
+ 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 { Loading } from "../../components/Loading.js";
+import { HookError } from "../../hooks/useAsyncAsHook.js";
+import { compose, StateViewMap } from "../../utils/index.js";
+import { LoadingUriView, ReadyView, ShowQrView } from "./views.js";
+import * as wxApi from "../../wxApi.js";
+import { useComponentState } from "./state.js";
+import { AmountJson, TalerErrorDetail } from "@gnu-taler/taler-util";
+import { ButtonHandler, SelectFieldHandler, TextFieldHandler } from "../../mui/handlers.js";
+
+export interface Props {
+  amount: string;
+}
+
+export type State =
+  | State.Loading
+  | State.LoadingUriError
+  | State.ShowQr
+  | State.Ready;
+
+export namespace State {
+
+  export interface Loading {
+    status: "loading";
+    error: undefined;
+  }
+
+  export interface LoadingUriError {
+    status: "loading-uri";
+    error: HookError;
+  }
+
+  export interface BaseInfo {
+    error: undefined;
+  }
+  export interface ShowQr extends BaseInfo {
+    status: "show-qr";
+    talerUri: string;
+    close: () => void;
+  }
+  export interface Ready extends BaseInfo {
+    status: "ready";
+    showQr: ButtonHandler;
+    invalid: boolean;
+    copyToClipboard: ButtonHandler;
+    toBeReceived: AmountJson,
+    chosenAmount: AmountJson,
+    subject: TextFieldHandler,
+    error: undefined;
+    operationError?: TalerErrorDetail;
+  }
+}
+
+const viewMapping: StateViewMap<State> = {
+  loading: Loading,
+  "loading-uri": LoadingUriView,
+  "show-qr": ShowQrView,
+  "ready": ReadyView,
+};
+
+
+export const TransferCreatePage = compose("TransferCreatePage", (p: Props) => useComponentState(p, wxApi), viewMapping)
+
diff --git a/packages/taler-wallet-webextension/src/cta/TransferCreate/state.ts b/packages/taler-wallet-webextension/src/cta/TransferCreate/state.ts
new file mode 100644
index 000000000..9853f05ff
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/cta/TransferCreate/state.ts
@@ -0,0 +1,86 @@
+/*
+ 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 { Amounts, TalerErrorDetail } from "@gnu-taler/taler-util";
+import { TalerError } from "@gnu-taler/taler-wallet-core";
+import { useState } from "preact/hooks";
+import * as wxApi from "../../wxApi.js";
+import { Props, State } from "./index.js";
+
+export function useComponentState(
+  { amount: amountStr }: Props,
+  api: typeof wxApi,
+): State {
+  const amount = Amounts.parseOrThrow(amountStr)
+
+  const [subject, setSubject] = useState("");
+  const [talerUri, setTalerUri] = useState("")
+  const [operationError, setOperationError] = useState<TalerErrorDetail | undefined>(undefined)
+
+
+  if (talerUri) {
+    return {
+      status: "show-qr",
+      talerUri,
+      error: undefined,
+      close: () => { null },
+    }
+  }
+
+
+  async function accept(): Promise<string> {
+    try {
+
+      const resp = await api.initiatePeerPushPayment({
+        amount: Amounts.stringify(amount),
+        partialContractTerms: {
+          summary: subject
+        }
+      })
+      return resp.talerUri
+    } catch (e) {
+      if (e instanceof TalerError) {
+        setOperationError(e.errorDetail)
+      }
+      console.error(e)
+      throw Error("error trying to accept")
+    }
+  }
+  return {
+    status: "ready",
+    invalid: !subject || Amounts.isZero(amount),
+    subject: {
+      value: subject,
+      onInput: async (e) => setSubject(e)
+    },
+    copyToClipboard: {
+      onClick: async () => {
+        const uri = await accept();
+        navigator.clipboard.writeText(uri || "");
+      }
+    },
+    showQr: {
+      onClick: async () => {
+        const uri = await accept();
+        setTalerUri(uri)
+      }
+    },
+    chosenAmount: amount,
+    toBeReceived: amount,
+    error: undefined,
+    operationError
+  }
+}
diff --git a/packages/taler-wallet-webextension/src/cta/TransferCreate/stories.tsx b/packages/taler-wallet-webextension/src/cta/TransferCreate/stories.tsx
new file mode 100644
index 000000000..1e528df73
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/cta/TransferCreate/stories.tsx
@@ -0,0 +1,56 @@
+/*
+ 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/>
+ */
+
+/**
+ *
+ * @author Sebastian Javier Marchano (sebasjm)
+ */
+
+import { createExample } from "../../test-utils.js";
+import { ReadyView, ShowQrView } from "./views.js";
+
+export default {
+  title: "wallet/transfer create",
+};
+
+export const ShowQr = createExample(ShowQrView, {
+  talerUri:
+    "taler://pay-push/exchange.taler.ar/HS585JK0QCXHJ8Z8QWZA3EBAY5WY7XNC1RR2MHJXSH2Z4WP0YPJ0",
+  close: () => {
+    null;
+  },
+});
+
+export const Ready = createExample(ReadyView, {
+  chosenAmount: {
+    currency: "ARS",
+    value: 1,
+    fraction: 0,
+  },
+  toBeReceived: {
+    currency: "ARS",
+    value: 1,
+    fraction: 0,
+  },
+  copyToClipboard: {},
+  showQr: {},
+  subject: {
+    value: "the subject",
+    onInput: async () => {
+      null;
+    },
+  },
+});
diff --git a/packages/taler-wallet-webextension/src/cta/TransferCreate/test.ts b/packages/taler-wallet-webextension/src/cta/TransferCreate/test.ts
new file mode 100644
index 000000000..631e76d01
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/cta/TransferCreate/test.ts
@@ -0,0 +1,31 @@
+/*
+ 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/>
+ */
+
+/**
+ *
+ * @author Sebastian Javier Marchano (sebasjm)
+ */
+
+import { expect } from "chai";
+
+describe("test description", () => {
+
+  it("should assert", () => {
+
+    expect([]).deep.equals([])
+  });
+})
+
diff --git a/packages/taler-wallet-webextension/src/cta/TransferCreate/views.tsx b/packages/taler-wallet-webextension/src/cta/TransferCreate/views.tsx
new file mode 100644
index 000000000..ebdf1e746
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/cta/TransferCreate/views.tsx
@@ -0,0 +1,117 @@
+/*
+ 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 { h, VNode } from "preact";
+import { LoadingError } from "../../components/LoadingError.js";
+import { LogoHeader } from "../../components/LogoHeader.js";
+import { Part } from "../../components/Part.js";
+import { QR } from "../../components/QR.js";
+import { Link, SubTitle, WalletAction } from "../../components/styled/index.js";
+import { useTranslationContext } from "../../context/translation.js";
+import { Button } from "../../mui/Button.js";
+import { Grid } from "../../mui/Grid.js";
+import { TextField } from "../../mui/TextField.js";
+import { TransferDetails } from "../../wallet/Transaction.js";
+import { State } from "./index.js";
+
+export function LoadingUriView({ error }: State.LoadingUriError): VNode {
+  const { i18n } = useTranslationContext();
+
+  return (
+    <LoadingError
+      title={<i18n.Translate>Could not load</i18n.Translate>}
+      error={error}
+    />
+  );
+}
+
+export function ShowQrView({ talerUri, close }: State.ShowQr): VNode {
+  const { i18n } = useTranslationContext();
+  return (
+    <WalletAction>
+      <LogoHeader />
+      <SubTitle>
+        <i18n.Translate>Digital invoice</i18n.Translate>
+      </SubTitle>
+      <section>
+        <p>Scan this QR code with the wallet</p>
+        <QR text={talerUri} />
+      </section>
+      <section>
+        <Link upperCased onClick={close}>
+          <i18n.Translate>Close</i18n.Translate>
+        </Link>
+      </section>
+    </WalletAction>
+  );
+}
+
+export function ReadyView({
+  subject,
+  toBeReceived,
+  chosenAmount,
+  showQr,
+  copyToClipboard,
+  invalid,
+}: State.Ready): VNode {
+  const { i18n } = useTranslationContext();
+  return (
+    <WalletAction>
+      <LogoHeader />
+      <SubTitle>
+        <i18n.Translate>Digital cash transfer</i18n.Translate>
+      </SubTitle>
+      <section style={{ textAlign: "left" }}>
+        <TextField
+          label="Subject"
+          variant="filled"
+          error={!!subject.error}
+          required
+          fullWidth
+          value={subject.value}
+          onChange={subject.onInput}
+        />
+        <Part
+          title={<i18n.Translate>Details</i18n.Translate>}
+          text={
+            <TransferDetails
+              amount={{
+                effective: toBeReceived,
+                raw: chosenAmount,
+              }}
+            />
+          }
+        />
+      </section>
+      <section>
+        <p>How do you want to transfer?</p>
+
+        <Grid item container columns={1} spacing={1}>
+          <Grid item xs={1}>
+            <Button disabled={invalid} onClick={copyToClipboard.onClick}>
+              Copy transfer URI to clipboard
+            </Button>
+          </Grid>
+          <Grid item xs={1}>
+            <Button disabled={invalid} onClick={showQr.onClick}>
+              Show QR
+            </Button>
+          </Grid>
+        </Grid>
+      </section>
+    </WalletAction>
+  );
+}