vega-frontend-monorepo/libs/fills/src/lib/use-fills-list.ts
2023-05-09 09:04:33 +01:00

116 lines
3.0 KiB
TypeScript

import type { RefObject } from 'react';
import type { AgGridReact } from 'ag-grid-react';
import { useCallback, useRef } from 'react';
import { makeInfiniteScrollGetRows } from '@vegaprotocol/data-provider';
import { updateGridData } from '@vegaprotocol/datagrid';
import { useDataProvider } from '@vegaprotocol/data-provider';
import type { Trade, TradeEdge } from './fills-data-provider';
import { fillsWithMarketProvider } from './fills-data-provider';
interface Props {
partyId: string;
marketId?: string;
gridRef: RefObject<AgGridReact>;
scrolledToTop: RefObject<boolean>;
}
export const useFillsList = ({
partyId,
marketId,
gridRef,
scrolledToTop,
}: Props) => {
const dataRef = useRef<(TradeEdge | null)[] | null>(null);
const totalCountRef = useRef<number | undefined>(undefined);
const newRows = useRef(0);
const placeholderAdded = useRef(-1);
const makeBottomPlaceholders = useCallback((trade?: Trade) => {
if (!trade) {
if (placeholderAdded.current >= 0) {
dataRef.current?.splice(placeholderAdded.current, 1);
}
placeholderAdded.current = -1;
} else if (placeholderAdded.current === -1) {
dataRef.current?.push({
node: { ...trade, id: `${trade?.id}-1`, isLastPlaceholder: true },
});
placeholderAdded.current = (dataRef.current?.length || 0) - 1;
}
}, []);
const addNewRows = useCallback(() => {
if (newRows.current === 0) {
return;
}
if (totalCountRef.current !== undefined) {
totalCountRef.current += newRows.current;
}
newRows.current = 0;
gridRef.current?.api?.refreshInfiniteCache();
}, [gridRef]);
const update = useCallback(
({
data,
delta,
}: {
data: (TradeEdge | null)[] | null;
delta?: Trade[];
}) => {
if (dataRef.current?.length) {
if (!scrolledToTop.current) {
const createdAt = dataRef.current?.[0]?.node.createdAt;
if (createdAt) {
newRows.current += (delta || []).filter(
(trade) => trade.createdAt > createdAt
).length;
}
}
return updateGridData(dataRef, data, gridRef);
}
dataRef.current = data;
return false;
},
[gridRef, scrolledToTop]
);
const insert = useCallback(
({
data,
totalCount,
}: {
data: (TradeEdge | null)[] | null;
totalCount?: number;
}) => {
totalCountRef.current = totalCount;
return updateGridData(dataRef, data, gridRef);
},
[gridRef]
);
const { data, error, loading, load, totalCount, reload } = useDataProvider({
dataProvider: fillsWithMarketProvider,
update,
insert,
variables: { partyId, marketId: marketId || '' },
});
totalCountRef.current = totalCount;
const getRows = makeInfiniteScrollGetRows<TradeEdge>(
dataRef,
totalCountRef,
load,
newRows
);
return {
data,
error,
loading,
addNewRows,
getRows,
reload,
makeBottomPlaceholders,
};
};