pruncalc/www/ledger.js

// ts/ledger.ts
var apiKey = document.querySelector("#api-key");
{
  const storedApiKey = localStorage.getItem("fio-api-key");
  if (storedApiKey)
    apiKey.value = storedApiKey;
}
document.querySelector("#fetch").addEventListener("click", async () => {
  const loader = document.querySelector("#loader");
  loader.style.display = "block";
  try {
    await renderLedger(apiKey.value);
    localStorage.setItem("fio-api-key", apiKey.value);
  } catch (e) {
    console.error(e);
  }
  loader.style.display = "none";
});
async function getPrices() {
  const allPrices = await fetchJSON("https://refined-prun.github.io/refined-prices/all.json");
  const priceMap = {};
  for (const price of allPrices)
    if (price.ExchangeCode === "IC1")
      priceMap[price.MaterialTicker] = price.VWAP30D;
  return priceMap;
}
var pricePromise = getPrices();
var ledger = document.querySelector("textarea#ledger");
async function renderLedger(apiKey2) {
  ledger.style.display = "none";
  ledger.value = `Time,Mat,Quantity,Actual Unit Price,Discounted Unit Price,Gateway,Debit,Credit,Contract ID
`;
  const prices = await pricePromise;
  const contracts = await fetchJSON("https://rest.fnar.net/contract/allcontracts", { headers: { Authorization: apiKey2 } });
  contracts.sort((a, b) => a.DateEpochMs - b.DateEpochMs);
  for (const contract of contracts) {
    if (contract.PartnerCompanyCode === null || contract.PartnerName.endsWith(" Commodity Exchange"))
      continue;
    contract.Conditions.sort((a, b) => a.ConditionIndex - b.ConditionIndex);
    for (let i = 0;i < contract.Conditions.length; i++) {
      const condition = contract.Conditions[i];
      if (contract.Party !== condition.Party && condition.Type === "DELIVERY" || contract.Party === condition.Party && condition.Type === "COMEX_PURCHASE_PICKUP") {
        const time = new Date(contract.DateEpochMs).toISOString();
        const mat = condition.MaterialTicker;
        const quantity = condition.MaterialAmount;
        const totalPrice = contract.Conditions[i - 1].Amount;
        ledger.value += `${time},${mat},${quantity},${prices[mat]},${totalPrice / quantity},,${totalPrice},,${contract.ContractLocalId}
`;
      } else
        continue;
    }
  }
  ledger.style.display = "block";
}
document.querySelector("#copy").addEventListener("click", () => {
  navigator.clipboard.writeText(ledger.value);
});
async function fetchJSON(url, options = {}) {
  const controller = new AbortController;
  const timeoutId = setTimeout(() => controller.abort(), 5000);
  const doc = await fetch(url, { ...options, signal: controller.signal }).then((r) => r.json());
  clearTimeout(timeoutId);
  return doc;
}

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