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spacetraders/nodejs/lib/systems.ts

60 lines
2.3 KiB
TypeScript

import * as api from './api.ts';
import * as dbMarkets from '../database/markets.ts';
import * as dbShips from '../database/ships.ts';
import * as dbSystems from '../database/systems.ts';
import { Market } from '../model/market.ts'
import { System, Waypoint } from '../model/system.ts'
import * as utils from './utils.ts';
export async function market(waypointSymbol: string): Promise<Market> {
const data = dbMarkets.getMarketAtWaypoint(waypointSymbol);
if (data) { return data; }
const systemSymbol = utils.systemFromWaypoint(waypointSymbol);
let response = await api.send<Market>({endpoint: `/systems/${systemSymbol}/waypoints/${waypointSymbol}/market`});
if (response.error) {
api.debugLog(response);
throw response;
}
dbMarkets.setMarket(response.data);
return response.data;
}
//export async function shipyard(waypoint: string): Promise<unknown> {
// // TODO database caching
// const systemSymbol = utils.systemFromWaypoint(waypoint);
// return await api.send({endpoint: `/systems/${systemSymbol}/waypoints/${waypoint}/shipyard`});
//}
export async function system(symbol: string): Promise<System> {
let data = dbSystems.getSystem(symbol);
if (data) { return data; }
const response = await api.send<System>({endpoint: `/systems/${symbol}`});
if (response.error) {
api.debugLog(response);
throw response;
}
dbSystems.setSystem(response.data);
return response.data;
}
// Retrieves a list of waypoints that have a specific trait like a SHIPYARD or a MARKETPLACE
export async function trait(system: string, trait: string): Promise<Array<Waypoint>> {
const ws = await waypoints(system);
return ws.filter(w => w.traits.some(t => t.symbol === trait));
}
// Retrieves a list of waypoints that have a specific type like ASTEROID_FIELD
export async function type(system: string, typeSymbol: string): Promise<Array<Waypoint>> {
const ws = await waypoints(system);
return ws.filter(s => s.type === typeSymbol);
}
export async function waypoints(systemSymbol: string): Promise<Array<Waypoint>> {
const s = await system(systemSymbol);
const updated = dbSystems.getSystemUpdated(systemSymbol);
// TODO handle uncharted systems
if (updated) return s.waypoints;
const waypoints = await api.sendPaginated<Waypoint>({endpoint: `/systems/${systemSymbol}/waypoints`});
dbSystems.setSystemWaypoints(systemSymbol, waypoints);
return waypoints;
}