1 files changed, 87 insertions, 0 deletions
diff --git a/packages/merchant-backoffice-ui/src/hooks/templates.ts b/packages/merchant-backoffice-ui/src/hooks/templates.ts
new file mode 100644
index 000000000..12d99f3fc
--- /dev/null
+++ b/packages/merchant-backoffice-ui/src/hooks/templates.ts
@@ -0,0 +1,87 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021-2024 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 { useState } from "preact/hooks";
+import { PAGINATED_LIST_REQUEST } from "../utils/constants.js";
+
+// FIX default import https://github.com/microsoft/TypeScript/issues/49189
+import { AccessToken, TalerHttpError, TalerMerchantManagementResultByMethod } from "@gnu-taler/taler-util";
+import _useSWR, { SWRHook, mutate } from "swr";
+import { useSessionContext } from "../context/session.js";
+import { buildPaginatedResult } from "./webhooks.js";
+const useSWR = _useSWR as unknown as SWRHook;
+
+
+export interface InstanceTemplateFilter {
+}
+
+export function revalidateInstanceTemplates() {
+  return mutate(
+    (key) => Array.isArray(key) && key[key.length - 1] === "listTemplates",
+    undefined,
+    { revalidate: true },
+  );
+}
+export function useInstanceTemplates() {
+  const { state: session } = useSessionContext();
+  const { lib: { instance } } = useSessionContext();
+
+  const [offset, setOffset] = useState<string | undefined>();
+
+  async function fetcher([token, bid]: [AccessToken, string]) {
+    return await instance.listTemplates(token, {
+      limit: PAGINATED_LIST_REQUEST,
+      offset: bid,
+      order: "dec",
+    });
+  }
+
+  const { data, error } = useSWR<
+    TalerMerchantManagementResultByMethod<"listTemplates">,
+    TalerHttpError
+  >([session.token, offset, "listTemplates"], fetcher);
+
+  if (error) return error;
+  if (data === undefined) return undefined;
+  if (data.type !== "ok") return data;
+
+  return buildPaginatedResult(data.body.templates, offset, setOffset, (d) => d.template_id)
+
+}
+
+export function revalidateTemplateDetails() {
+  return mutate(
+    (key) => Array.isArray(key) && key[key.length - 1] === "getTemplateDetails",
+    undefined,
+    { revalidate: true },
+  );
+}
+export function useTemplateDetails(templateId: string) {
+  const { state: session } = useSessionContext();
+  const { lib: { instance } } = useSessionContext();
+
+  async function fetcher([tid, token]: [string, AccessToken]) {
+    return await instance.getTemplateDetails(token, tid);
+  }
+
+  const { data, error } = useSWR<
+    TalerMerchantManagementResultByMethod<"getTemplateDetails">,
+    TalerHttpError
+  >([templateId, session.token, "getTemplateDetails"], fetcher);
+
+  if (data) return data;
+  if (error) return error;
+  return undefined;
+}