1 files changed, 63 insertions, 0 deletions
diff --git a/packages/taler-wallet-webextension/src/cta/PaymentTemplate/state.ts b/packages/taler-wallet-webextension/src/cta/PaymentTemplate/state.ts
new file mode 100644
index 000000000..f5e6dee61
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/cta/PaymentTemplate/state.ts
@@ -0,0 +1,63 @@
+/*
+ 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 { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import { alertFromError } from "../../context/alert.js";
+import { useBackendContext } from "../../context/backend.js";
+import { useTranslationContext } from "../../context/translation.js";
+import { useAsyncAsHook } from "../../hooks/useAsyncAsHook.js";
+import { Props, State } from "./index.js";
+
+export function useComponentState({ talerTemplateUri }: Props): State {
+  // const { pushAlertOnError } = useAlertContext();
+  const api = useBackendContext();
+  const { i18n } = useTranslationContext();
+
+  const hook = useAsyncAsHook(async () => {
+    if (!talerTemplateUri) throw Error("ERROR_NO-URI-FOR-PAYMENT-TEMPLATE");
+    const payStatus = await api.wallet.call(
+      WalletApiOperation.PreparePayForTemplate,
+      {
+        talerPayTemplateUri: talerTemplateUri,
+        templateParams: {},
+      },
+    );
+    const balance = await api.wallet.call(WalletApiOperation.GetBalances, {});
+    return { payStatus, balance, uri: talerTemplateUri };
+  }, []);
+
+  if (!hook) {
+    return {
+      status: "loading",
+      error: undefined,
+    };
+  }
+
+  if (hook.hasError) {
+    return {
+      status: "error",
+      error: alertFromError(
+        i18n.str`Could not load the status of the order template`,
+        hook,
+      ),
+    };
+  }
+
+  return {
+    status: "ready",
+    error: undefined,
+  };
+}