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import { padZeros, sleep } from '../helpers.js';
import { mapInformation } from './DB/DBMapping.js';
const dbCoachSequenceTimeout = 1000;
export const coachSequenceCache = {};
const rawDBCoachSequence = async (category, number, evaNumber, date, retry = 2) => {
try {
const searchParams = new URLSearchParams();
searchParams.append("category", category);
searchParams.append("date", `${date.getFullYear()}-${padZeros(date.getMonth()+1)}-${padZeros(date.getDate())}`);
searchParams.append("time", `${date.getFullYear()}-${padZeros(date.getMonth()+1)}-${padZeros(date.getDate())}T${padZeros(date.getHours())}:${padZeros(date.getMinutes())}:${padZeros(date.getSeconds())}Z`);
searchParams.append("evaNumber", evaNumber);
searchParams.append("number", number);
return await fetch(`/db/vehicle-sequence?${searchParams}`).then(x => x.json());
} catch (e) {
sleep(dbCoachSequenceTimeout);
if (retry) return rawDBCoachSequence(category, number, evaNumber, date, retry - 1);
}
}
const DBCoachSequence = async (category, number, evaNumber, date) => {
const rawSequence = await rawDBCoachSequence(category, number, evaNumber, date);
if (!rawSequence) return undefined;
return mapInformation(rawSequence, category, number, evaNumber);
}
export const coachSequenceCacheKey = (category, number, evaNumber, departure) => {
if (!category || !number || !evaNumber || !departure) return;
return `${category}-${number}-${evaNumber}-${departure.toISOString()}`;
};
export const cachedCoachSequence = (category, number, evaNumber, departure) => {
const key = coachSequenceCacheKey(category, number, evaNumber, departure);
if (!key) return;
if (coachSequenceCache[key] === undefined) {
coachSequenceCache[key] = (async () => {
try {
const info = await DBCoachSequence(category, number, evaNumber, departure);
coachSequenceCache[key] = info;
return info;
} catch (e) {}
coachSequenceCache[key] = null;
}) ();
}
return coachSequenceCache[key];
};