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[node] implemented basic procurement trading loop

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This commit is contained in:
Julien Dessaux 2024-03-31 09:44:49 +02:00
parent 8819cf9c67
commit a34e4fbed4
Signed by: adyxax
GPG key ID: F92E51B86E07177E
5 changed files with 132 additions and 46 deletions
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7
nodejs/database/ships.ts
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@ -5,6 +5,7 @@ import { Fuel, Nav, Ship } from '../model/ship.ts';
const addShipStatement = db.prepare(`INSERT INTO ships(data) VALUES (json(?));`);
const getShipStatement = db.prepare(`SELECT data FROM ships WHERE data->>'symbol' = ?;`);
const getShipsAtStatement = db.prepare(`SELECT data FROM ships WHERE data->>'$.nav.systemSymbol' = ?;`);
const getShipsStatement = db.prepare(`SELECT data FROM ships;`);
const setShipCargoStatement = db.prepare(`UPDATE ships SET data = (SELECT json_set(data, '$.cargo', json(:cargo)) FROM ships WHERE data->>'symbol' = :symbol) WHERE data->>'symbol' = :symbol;`);
const setShipFuelStatement = db.prepare(`UPDATE ships SET data = (SELECT json_set(data, '$.fuel', json(:fuel)) FROM ships WHERE data->>'symbol' = :symbol) WHERE data->>'symbol' = :symbol;`);
const setShipNavStatement = db.prepare(`UPDATE ships SET data = (SELECT json_set(data, '$.nav', json(:nav)) FROM ships WHERE data->>'symbol' = :symbol) WHERE data->>'symbol' = :symbol;`);
@ -16,12 +17,16 @@ export function getShip(symbol: string): Ship {
return JSON.parse(data.data);
}
export function getShips(): Array<Ship> {
const data = getShipsStatement.all() as Array<DbData>;
return data.map(elt => JSON.parse(elt.data));
}
export function getShipsAt(symbol: string): Array<Ship> {
const data = getShipsAtStatement.all(symbol) as Array<DbData>;
return data.map(elt => JSON.parse(elt.data));
}
export function setShip(data: Ship): void {
const changes = updateShipStatement.run({
data: JSON.stringify(data),