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import { GetItemId, useOnValueChange } from "@/utilities";
import { usePageSize } from "@/utilities/storage";
import { useCallback, useEffect, useState } from "react";
import {
QueryKey,
UseQueryResult,
useQuery,
useQueryClient,
} from "react-query";
import { QueryKeys } from "./keys";
export type UsePaginationQueryResult<T extends object> = UseQueryResult<
DataWrapperWithTotal<T>
> & {
controls: {
gotoPage: (index: number) => void;
};
paginationStatus: {
isPageLoading: boolean;
totalCount: number;
pageSize: number;
pageCount: number;
page: number;
};
};
export function usePaginationQuery<
TObject extends object = object,
TQueryKey extends QueryKey = QueryKey,
>(
queryKey: TQueryKey,
queryFn: RangeQuery<TObject>,
cacheIndividual = true,
): UsePaginationQueryResult<TObject> {
const client = useQueryClient();
const [page, setIndex] = useState(0);
const pageSize = usePageSize();
const start = page * pageSize;
const results = useQuery(
[...queryKey, QueryKeys.Range, { start, size: pageSize }],
() => {
const param: Parameter.Range = {
start,
length: pageSize,
};
return queryFn(param);
},
{
onSuccess: ({ data }) => {
if (cacheIndividual) {
data.forEach((item) => {
const id = GetItemId(item);
if (id) {
client.setQueryData([...queryKey, id], item);
}
});
}
},
},
);
const { data } = results;
const totalCount = data?.total ?? 0;
const pageCount = Math.ceil(totalCount / pageSize);
const gotoPage = useCallback(
(idx: number) => {
if (idx >= 0 && idx < pageCount) {
setIndex(idx);
}
},
[pageCount],
);
const [isPageLoading, setIsPageLoading] = useState(false);
useOnValueChange(page, () => {
if (results.isFetching) {
setIsPageLoading(true);
}
});
useEffect(() => {
if (!results.isFetching) {
setIsPageLoading(false);
}
}, [results.isFetching]);
// Reset page index if we out of bound
useEffect(() => {
if (pageCount === 0) return;
if (page >= pageCount) {
setIndex(pageCount - 1);
} else if (page < 0) {
setIndex(0);
}
}, [page, pageCount]);
return {
...results,
paginationStatus: {
isPageLoading,
totalCount,
pageCount,
pageSize,
page,
},
controls: {
gotoPage,
},
};
}
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