josh
8324f31972
Imports must appear before other statements in ES modules. Also drop the explicit .ts extension from import paths — Next.js bundler resolves them without it, and the extension after const was causing the module to silently fail in the app. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
67 lines
2.4 KiB
TypeScript
67 lines
2.4 KiB
TypeScript
/**
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* park-meta.json — persisted alongside the SQLite DB in data/
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*
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* This file stores per-park metadata that doesn't belong in the schedule DB:
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* - rcdb_id: user-supplied RCDB park ID (fills into https://rcdb.com/{id}.htm)
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* - coasters: list of operating roller coaster names scraped from RCDB
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* - coasters_scraped_at: ISO timestamp of last RCDB scrape
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*
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* discover.ts: ensures every park has a skeleton entry (rcdb_id null by default)
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* scrape.ts: populates coasters[] for parks with a known rcdb_id (30-day staleness)
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*/
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import fs from "fs";
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import path from "path";
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const META_PATH = path.join(process.cwd(), "data", "park-meta.json");
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export interface ParkMeta {
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/** RCDB park page ID — user fills this in manually after discover creates the skeleton */
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rcdb_id: number | null;
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/** Operating roller coaster names scraped from RCDB */
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coasters: string[];
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/** ISO timestamp of when coasters was last scraped from RCDB */
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coasters_scraped_at: string | null;
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}
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export type ParkMetaMap = Record<string, ParkMeta>;
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export function readParkMeta(): ParkMetaMap {
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try {
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return JSON.parse(fs.readFileSync(META_PATH, "utf8")) as ParkMetaMap;
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} catch {
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return {};
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}
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}
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export function writeParkMeta(meta: ParkMetaMap): void {
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fs.mkdirSync(path.dirname(META_PATH), { recursive: true });
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fs.writeFileSync(META_PATH, JSON.stringify(meta, null, 2) + "\n");
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}
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/** Default skeleton entry for a park that has never been configured. */
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export function defaultParkMeta(): ParkMeta {
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return { rcdb_id: null, coasters: [], coasters_scraped_at: null };
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}
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const COASTER_STALE_MS = 30 * 24 * 60 * 60 * 1000; // 30 days
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/** Returns true when the coaster list needs to be re-scraped from RCDB. */
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export function areCoastersStale(entry: ParkMeta): boolean {
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if (!entry.coasters_scraped_at) return true;
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return Date.now() - new Date(entry.coasters_scraped_at).getTime() > COASTER_STALE_MS;
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}
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import { normalizeForMatch } from "./coaster-match";
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export { normalizeForMatch as normalizeRideName } from "./coaster-match";
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/**
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* Returns a Set of normalized coaster names for fast membership checks.
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* Returns null when no coaster data exists for the park.
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*/
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export function getCoasterSet(parkId: string, meta: ParkMetaMap): Set<string> | null {
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const entry = meta[parkId];
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if (!entry || entry.coasters.length === 0) return null;
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return new Set(entry.coasters.map(normalizeForMatch));
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}
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