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/*
This file is part of GNU Taler
(C) 2021 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 { useEffect } from "preact/hooks";
import useSWR, { trigger, useSWRInfinite, cache, mutate } from "swr";
import { useBackendContext } from "../context/backend";
// import { useFetchContext } from '../context/fetch';
import { useInstanceContext } from "../context/instance";
import { MerchantBackend, WithId } from "../declaration";
import {
fetcher,
HttpError,
HttpResponse,
HttpResponseOk,
mutateAll,
request,
} from "./backend";
export interface ProductAPI {
createProduct: (
data: MerchantBackend.Products.ProductAddDetail
) => Promise<void>;
updateProduct: (
id: string,
data: MerchantBackend.Products.ProductPatchDetail
) => Promise<void>;
deleteProduct: (id: string) => Promise<void>;
lockProduct: (
id: string,
data: MerchantBackend.Products.LockRequest
) => Promise<void>;
}
export function useProductAPI(): ProductAPI {
const { url: baseUrl, token: adminToken } = useBackendContext();
const { token: instanceToken, id, admin } = useInstanceContext();
const { url, token } = !admin
? {
url: baseUrl,
token: adminToken,
}
: {
url: `${baseUrl}/instances/${id}`,
token: instanceToken,
};
const createProduct = async (
data: MerchantBackend.Products.ProductAddDetail
): Promise<void> => {
await request(`${url}/private/products`, {
method: "post",
token,
data,
});
await mutateAll(/@"\/private\/products"@/, null);
};
const updateProduct = async (
productId: string,
data: MerchantBackend.Products.ProductPatchDetail
): Promise<void> => {
const r = await request(`${url}/private/products/${productId}`, {
method: "patch",
token,
data,
});
await mutateAll(/@"\/private\/products\/.*"@/);
return Promise.resolve();
};
const deleteProduct = async (productId: string): Promise<void> => {
await request(`${url}/private/products/${productId}`, {
method: "delete",
token,
});
await mutateAll(/@"\/private\/products"@/);
};
const lockProduct = async (
productId: string,
data: MerchantBackend.Products.LockRequest
): Promise<void> => {
await request(`${url}/private/products/${productId}/lock`, {
method: "post",
token,
data,
});
await mutateAll(/@"\/private\/products"@/);
};
return { createProduct, updateProduct, deleteProduct, lockProduct };
}
export function useInstanceProducts(): HttpResponse<
(MerchantBackend.Products.ProductDetail & WithId)[]
> {
const { url: baseUrl, token: baseToken } = useBackendContext();
const { token: instanceToken, id, admin } = useInstanceContext();
// const { useSWR, useSWRInfinite } = useFetchContext();
const { url, token } = !admin
? {
url: baseUrl,
token: baseToken,
}
: {
url: `${baseUrl}/instances/${id}`,
token: instanceToken,
};
const {
data: list,
error: listError,
isValidating: listLoading,
} = useSWR<
HttpResponseOk<MerchantBackend.Products.InventorySummaryResponse>,
HttpError
>([`/private/products`, token, url], fetcher, {
refreshInterval: 0,
refreshWhenHidden: false,
revalidateOnFocus: false,
revalidateOnReconnect: false,
refreshWhenOffline: false,
});
const {
data: products,
error: productError,
setSize,
size,
} = useSWRInfinite<
HttpResponseOk<MerchantBackend.Products.ProductDetail>,
HttpError
>(
(pageIndex: number) => {
if (!list?.data || !list.data.products.length || listError || listLoading)
return null;
return [
`/private/products/${list.data.products[pageIndex].product_id}`,
token,
url,
];
},
fetcher,
{
revalidateAll: true,
}
);
useEffect(() => {
if (list?.data && list.data.products.length > 0) {
setSize(list.data.products.length);
}
}, [list?.data.products.length, listLoading]);
if (listLoading) return { loading: true, data: [] };
if (listError) return listError;
if (productError) return productError;
if (list?.data && list.data.products.length === 0) {
return { ok: true, data: [] };
}
if (products) {
const dataWithId = products.map((d) => {
//take the id from the queried url
return {
...d.data,
id: d.info?.url.replace(/.*\/private\/products\//, "") || "",
};
});
return { ok: true, data: dataWithId };
}
return { loading: true };
}
export function useProductDetails(
productId: string
): HttpResponse<MerchantBackend.Products.ProductDetail> {
const { url: baseUrl, token: baseToken } = useBackendContext();
const { token: instanceToken, id, admin } = useInstanceContext();
const { url, token } = !admin
? {
url: baseUrl,
token: baseToken,
}
: {
url: `${baseUrl}/instances/${id}`,
token: instanceToken,
};
const { data, error, isValidating } = useSWR<
HttpResponseOk<MerchantBackend.Products.ProductDetail>,
HttpError
>([`/private/products/${productId}`, token, url], fetcher, {
refreshInterval: 0,
refreshWhenHidden: false,
revalidateOnFocus: false,
revalidateOnReconnect: false,
refreshWhenOffline: false,
});
if (isValidating) return { loading: true, data: data?.data };
if (data) return data;
if (error) return error;
return { loading: true };
}
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