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`debt-cache.ts`

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debt-cache.tsBlame56 lines · 1 contributor

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fa97fd1Claude	1	/**
	2	* In-memory cache for DebtReport objects.
	3	* Reports are invalidated after 1 hour.
	4	*/
	5
	6	import type { DebtReport } from "./debt-analyzer";
	7
	8	interface CacheEntry {
	9	report: DebtReport;
	10	cachedAt: number;
	11	}
	12
	13	const CACHE_TTL_MS = 60 * 60 * 1000; // 1 hour
	14
	15	const cache = new Map<string, CacheEntry>();
	16
	17	/** Returns the cached DebtReport if it's less than 1 hour old, else null. */
	18	export function getDebtReport(repoId: string): DebtReport \| null {
	19	const entry = cache.get(repoId);
	20	if (!entry) return null;
	21	if (Date.now() - entry.cachedAt > CACHE_TTL_MS) {
	22	cache.delete(repoId);
	23	return null;
	24	}
	25	return entry.report;
	26	}
	27
	28	/** Store a DebtReport in the cache. */
	29	export function setDebtReport(repoId: string, report: DebtReport): void {
	30	cache.set(repoId, { report, cachedAt: Date.now() });
	31	}
	32
	33	/** Evict the cached report for a repository. */
	34	export function invalidateDebtReport(repoId: string): void {
	35	cache.delete(repoId);
	36	}
	37
	38	// ─── In-memory job status ─────────────────────────────────────────────────────
	39
	40	export type JobStatus = "pending" \| "running" \| "done" \| "error";
	41
	42	interface JobEntry {
	43	status: JobStatus;
	44	error?: string;
	45	startedAt: number;
	46	}
	47
	48	const jobs = new Map<string, JobEntry>();
	49
	50	export function getJobStatus(repoId: string): JobEntry \| null {
	51	return jobs.get(repoId) ?? null;
	52	}
	53
	54	export function setJobStatus(repoId: string, status: JobStatus, error?: string): void {
	55	jobs.set(repoId, { status, error, startedAt: Date.now() });
	56	}