30 lines
904 B
TypeScript
30 lines
904 B
TypeScript
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export const SEARCH_QUERY_CACHE_TTL_MS = 24 * 60 * 60 * 1000;
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export function normalizeSearchQuery(value: string | null | undefined) {
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const normalized = value?.trim().toLowerCase() ?? "";
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return normalized || null;
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}
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export function hasReusableSearchPayload(candidate: { resultCount: number; answerText?: string | null }) {
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return candidate.resultCount > 0 || Boolean(candidate.answerText?.trim());
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}
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export function isFreshSearchCacheHit(
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candidate: {
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updatedAt: Date | string;
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resultCount: number;
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answerText?: string | null;
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isActive?: boolean;
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},
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now = new Date(),
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ttlMs = SEARCH_QUERY_CACHE_TTL_MS
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) {
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if (candidate.isActive) return false;
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if (!hasReusableSearchPayload(candidate)) return false;
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const updatedAtMs = new Date(candidate.updatedAt).getTime();
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if (!Number.isFinite(updatedAtMs)) return false;
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return now.getTime() - updatedAtMs <= ttlMs;
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}
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