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spacetraders/nodejs/lib/contracts.js

68 lines
2.1 KiB
JavaScript

import * as dbAgents from '../database/agents.js';
import * as dbContracts from '../database/contracts.js';
import * as api from './api.js';
import * as dbShips from '../database/ships.js';
import * as libShips from '../lib/ships.js';
export async function accept(ctx) {
const contract = dbContracts.getContract(ctx.id);
if (contract.accepted) {
return;
}
await api.send({endpoint: `/my/contracts/${ctx.id}/accept`, method: 'POST'});
contract.accepted = true;
dbContracts.setContract(contract);
}
export async function contracts() {
const contracts = await api.send({endpoint: '/my/contracts', page: 1});
contracts.forEach(contract => dbContracts.setContract(contract));
return contracts;
}
// returns true if the contract has been fulfilled
export async function deliver(ctx) {
const contract = dbContracts.getContract(ctx.id);
if (contract.terms.deliver[0].unitsRequired === contract.terms.deliver[0].unitsFulfilled) {
await fulfill(ctx);
return true;
}
await libShips.dock(ctx);
const response = await api.send({ endpoint: `/my/contracts/${ctx.id}/deliver`, method: 'POST', payload: {
shipSymbol: ctx.symbol,
tradeSymbol: ctx.good,
units: ctx.units,
}});
if (response.error !== undefined) {
switch(response.error.code) {
case 4509: // contract delivery terms have been met
await fulfill(ctx);
return true;
default: // yet unhandled error
api.debugLog(response);
throw response;
}
}
dbContracts.setContract(response.data.contract);
dbShips.setShipCargo(ctx.symbol, response.data.cargo);
// TODO track credits
if(response.data.contract.terms.deliver[0].unitsRequired === response.data.contract.terms.deliver[0].unitsFulfilled) {
await fulfill(ctx);
return true;
}
return false;
}
export async function fulfill(ctx) {
const contract = dbContracts.getContract(ctx.id);
if (contract.fulfilled) {
return;
}
const response = await api.send({ endpoint: `/my/contracts/${ctx.id}/fulfill`, method: 'POST'});
if (response.error !== undefined) {
api.debugLog(response);
throw response;
}
dbAgents.setAgent(response.data.agent);
dbContracts.setContract(response.data.contract);
}