34 lines
1.2 KiB
JavaScript
34 lines
1.2 KiB
JavaScript
import db from './db.js';
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import * as utils from '../lib/utils.js';
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const addMarketStatement = db.prepare(`INSERT INTO markets(system, data) VALUES (?, json(?));`);
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const getMarketAtWaypointStatement = db.prepare(`SELECT data FROM markets WHERE data->>'symbol' = ?;`);
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const getMarketsInSystemStatement = db.prepare(`SELECT data FROM markets WHERE system = ?;`);
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const updateMarketStatement = db.prepare(`UPDATE markets SET data = json(:data) WHERE data->>'symbol' = :symbol;`);
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export function getMarketAtWaypoint(symbol) {
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const data = getMarketAtWaypointStatement.get(symbol);
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if (data === undefined) {
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return null;
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}
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return JSON.parse(data.data);
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}
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export function getMarketsInSystem(symbol) {
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const data = getMarketsInSystemStatement.get(symbol);
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if (data === undefined) {
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return null;
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}
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return JSON.parse(data.data);
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}
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export function setMarket(data) {
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if (getMarketAtWaypoint(data.symbol) === null) {
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const system = utils.systemFromWaypoint(data.symbol);
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return addMarketStatement.run(system, JSON.stringify(data)).lastInsertRowid;
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}
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return updateMarketStatement.run({
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data: JSON.stringify(data),
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symbol: data.symbol,
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}).changes;
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}
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