vega-frontend-monorepo/libs/graphql/src/data-providers/positions-data-provider.ts
2022-03-29 19:13:00 +02:00

99 lines
2.1 KiB
TypeScript

import { gql } from '@apollo/client';
import {
positions,
positions_party_positions,
} from '../__generated__/positions';
import { makeDataProvider } from './generic-data-provider';
import {
positionSubscribe,
positionSubscribe_positions,
} from '../__generated__/positionSubscribe';
const POSITIONS_FRAGMENT = gql`
fragment PositionDetails on Position {
realisedPNL
openVolume
unrealisedPNL
averageEntryPrice
market {
id
name
data {
markPrice
marketTradingMode
market {
id
}
}
decimalPlaces
tradableInstrument {
instrument {
id
name
metadata {
tags
}
code
product {
... on Future {
settlementAsset {
id
symbol
name
decimals
}
quoteName
}
}
}
}
}
}
`;
const POSITION_QUERY = gql`
${POSITIONS_FRAGMENT}
query positions($partyId: ID!) {
party(id: $partyId) {
id
positions {
...PositionDetails
}
}
}
`;
export const POSITIONS_SUB = gql`
${POSITIONS_FRAGMENT}
subscription positionSubscribe($partyId: ID!) {
positions(partyId: $partyId) {
...PositionDetails
}
}
`;
const update = (
draft: positions_party_positions[],
delta: positionSubscribe_positions
) => {
const index = draft.findIndex((m) => m.market.id === delta.market.id);
if (index !== -1) {
draft[index] = delta;
} else {
draft.push(delta);
}
};
const getData = (responseData: positions): positions_party_positions[] | null =>
responseData.party ? responseData.party.positions : null;
const getDelta = (
subscriptionData: positionSubscribe
): positionSubscribe_positions => subscriptionData.positions;
export const positionsDataProvider = makeDataProvider<
positions,
positions_party_positions,
positionSubscribe,
positionSubscribe_positions
>(POSITION_QUERY, POSITIONS_SUB, update, getData, getDelta);