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Add Alpha Vantage event calendar provider

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dirtydishes 2026-05-05 03:02:51 -04:00
parent 9bace6932e
commit dd32be7717
8 changed files with 237 additions and 8 deletions
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72
services/refdata/src/index.ts
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@ -1,5 +1,11 @@
import { createLogger } from "@islandflow/observability";
import { createEmptyEventCalendarProvider, loadEventCalendarProviderFromFile } from "./event-calendar";
import {
createEmptyEventCalendarProvider,
fetchAlphaVantageEarningsCalendar,
loadEventCalendarProviderFromFile,
writeEventCalendarEntries,
type AlphaVantageEarningsCalendarOptions
} from "./event-calendar";
const service = "refdata";
const logger = createLogger({ service });
@ -7,6 +13,70 @@ const logger = createLogger({ service });
logger.info("service starting");
const eventCalendarPath = process.env.REFDATA_EVENT_CALENDAR_PATH ?? process.env.SMART_MONEY_EVENT_CALENDAR_PATH;
const eventCalendarProvider = process.env.REFDATA_EVENT_CALENDAR_PROVIDER ?? process.env.EVENT_CALENDAR_PROVIDER;
const refreshMs = Math.max(0, Number(process.env.REFDATA_EVENT_CALENDAR_REFRESH_MS ?? 86_400_000) || 0);
const getAlphaVantageOptions = (): AlphaVantageEarningsCalendarOptions | null => {
const apiKey = process.env.ALPHA_VANTAGE_API_KEY;
if (!apiKey) {
logger.warn("alpha vantage event calendar disabled; missing ALPHA_VANTAGE_API_KEY");
return null;
}
const horizon = process.env.ALPHA_VANTAGE_EARNINGS_HORIZON;
return {
apiKey,
horizon: horizon === "6month" || horizon === "12month" ? horizon : "3month",
symbol: process.env.ALPHA_VANTAGE_EARNINGS_SYMBOL || undefined
};
};
const refreshEventCalendar = async (): Promise<void> => {
if (!eventCalendarPath) {
logger.warn("event calendar refresh disabled; missing SMART_MONEY_EVENT_CALENDAR_PATH or REFDATA_EVENT_CALENDAR_PATH");
return;
}
if (eventCalendarProvider !== "alpha_vantage") {
return;
}
const options = getAlphaVantageOptions();
if (!options) {
return;
}
const entries = await fetchAlphaVantageEarningsCalendar(options);
await writeEventCalendarEntries(eventCalendarPath, entries);
logger.info("event calendar refreshed", {
provider: "alpha_vantage",
path: eventCalendarPath,
count: entries.length,
horizon: options.horizon,
symbol: options.symbol ?? "ALL"
});
};
if (eventCalendarProvider === "alpha_vantage") {
try {
await refreshEventCalendar();
} catch (error) {
logger.warn("event calendar refresh failed", {
provider: "alpha_vantage",
error: error instanceof Error ? error.message : String(error)
});
}
if (refreshMs > 0) {
setInterval(() => {
refreshEventCalendar().catch((error) => {
logger.warn("event calendar refresh failed", {
provider: "alpha_vantage",
error: error instanceof Error ? error.message : String(error)
});
});
}, refreshMs);
}
}
if (eventCalendarPath) {
try {