aktueller Stand
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236
services/pickupScheduler.js
Normal file
236
services/pickupScheduler.js
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const cron = require('node-cron');
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const foodsharingClient = require('./foodsharingClient');
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const sessionStore = require('./sessionStore');
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const { DEFAULT_SETTINGS } = require('./adminConfig');
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const weekdayMap = {
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Montag: 'Monday',
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Dienstag: 'Tuesday',
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Mittwoch: 'Wednesday',
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Donnerstag: 'Thursday',
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Freitag: 'Friday',
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Samstag: 'Saturday',
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Sonntag: 'Sunday'
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};
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function randomDelayMs(minSeconds = 10, maxSeconds = 120) {
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const min = minSeconds * 1000;
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const max = maxSeconds * 1000;
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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function resolveSettings(settings) {
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if (!settings) {
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return { ...DEFAULT_SETTINGS };
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}
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return {
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scheduleCron: settings.scheduleCron || DEFAULT_SETTINGS.scheduleCron,
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randomDelayMinSeconds: Number.isFinite(settings.randomDelayMinSeconds)
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? settings.randomDelayMinSeconds
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: DEFAULT_SETTINGS.randomDelayMinSeconds,
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randomDelayMaxSeconds: Number.isFinite(settings.randomDelayMaxSeconds)
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? settings.randomDelayMaxSeconds
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: DEFAULT_SETTINGS.randomDelayMaxSeconds,
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initialDelayMinSeconds: Number.isFinite(settings.initialDelayMinSeconds)
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? settings.initialDelayMinSeconds
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: DEFAULT_SETTINGS.initialDelayMinSeconds,
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initialDelayMaxSeconds: Number.isFinite(settings.initialDelayMaxSeconds)
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? settings.initialDelayMaxSeconds
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: DEFAULT_SETTINGS.initialDelayMaxSeconds,
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ignoredSlots: Array.isArray(settings.ignoredSlots) ? settings.ignoredSlots : DEFAULT_SETTINGS.ignoredSlots
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};
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}
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async function ensureSession(session) {
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const profileId = session.profile?.id;
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if (!profileId) {
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return false;
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}
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const stillValid = await foodsharingClient.checkSession(session.cookieHeader, profileId);
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if (stillValid) {
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return true;
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}
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if (!session.credentials) {
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console.warn(`Session ${session.id} kann nicht erneuert werden – keine Zugangsdaten gespeichert.`);
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return false;
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}
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try {
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const refreshed = await foodsharingClient.login(
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session.credentials.email,
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session.credentials.password
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);
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sessionStore.update(session.id, {
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cookieHeader: refreshed.cookieHeader,
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csrfToken: refreshed.csrfToken,
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profile: {
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...session.profile,
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...refreshed.profile
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}
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});
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console.log(`Session ${session.id} wurde erfolgreich erneuert.`);
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return true;
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} catch (error) {
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console.error(`Session ${session.id} konnte nicht erneuert werden:`, error.message);
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return false;
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}
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}
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function matchesDesiredDate(pickupDate, desiredDate) {
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if (!desiredDate) {
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return true;
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}
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const desired = new Date(desiredDate);
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return (
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pickupDate.getFullYear() === desired.getFullYear() &&
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pickupDate.getMonth() === desired.getMonth() &&
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pickupDate.getDate() === desired.getDate()
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);
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}
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function matchesDesiredWeekday(pickupDate, desiredWeekday) {
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if (!desiredWeekday) {
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return true;
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}
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const weekday = pickupDate.toLocaleDateString('en-US', { weekday: 'long' });
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return weekday === desiredWeekday;
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}
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function shouldIgnoreSlot(entry, pickup, settings) {
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const rules = settings.ignoredSlots || [];
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return rules.some((rule) => {
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if (!rule?.storeId) {
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return false;
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}
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if (String(rule.storeId) !== entry.id) {
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return false;
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}
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if (rule.description) {
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return pickup.description === rule.description;
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}
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return true;
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});
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}
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async function processBooking(session, entry, pickup) {
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const readableDate = new Date(pickup.date).toLocaleString('de-DE');
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const storeName = entry.label || entry.id;
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if (entry.onlyNotify) {
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console.log(`[INFO] Slot gefunden (nur Hinweis) für ${storeName} am ${readableDate}`);
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return;
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}
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const utcDate = new Date(pickup.date).toISOString();
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try {
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const allowed = await foodsharingClient.pickupRuleCheck(entry.id, utcDate, session.profile.id, session);
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if (!allowed) {
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console.warn(`[WARN] Rule-Check fehlgeschlagen für ${storeName} am ${readableDate}`);
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return;
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}
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await foodsharingClient.bookSlot(entry.id, utcDate, session.profile.id, session);
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console.log(`[SUCCESS] Slot gebucht für ${storeName} am ${readableDate}`);
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} catch (error) {
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console.error(`[ERROR] Buchung für ${storeName} am ${readableDate} fehlgeschlagen:`, error.message);
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}
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}
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async function checkEntry(sessionId, entry, settings) {
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const session = sessionStore.get(sessionId);
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if (!session) {
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return;
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}
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const ready = await ensureSession(session);
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if (!ready) {
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return;
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}
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try {
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const pickups = await foodsharingClient.fetchPickups(entry.id, session.cookieHeader);
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let hasProfileId = false;
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let availablePickup = null;
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const desiredWeekday = entry.desiredWeekday ? weekdayMap[entry.desiredWeekday] || entry.desiredWeekday : null;
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pickups.forEach((pickup) => {
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const pickupDate = new Date(pickup.date);
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if (!matchesDesiredDate(pickupDate, entry.desiredDate)) {
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return;
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}
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if (!matchesDesiredWeekday(pickupDate, desiredWeekday)) {
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return;
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}
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if (entry.checkProfileId && pickup.occupiedSlots?.some((slot) => slot.profile?.id === session.profile.id)) {
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hasProfileId = true;
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return;
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}
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if (pickup.isAvailable && !availablePickup) {
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availablePickup = pickup;
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}
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});
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if (!availablePickup) {
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console.log(
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`[INFO] Kein freier Slot für ${entry.label || entry.id} in dieser Runde gefunden. Profil bereits eingetragen: ${
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hasProfileId ? 'ja' : 'nein'
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}`
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);
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return;
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}
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if (shouldIgnoreSlot(entry, availablePickup, settings)) {
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console.log(`[INFO] Slot für ${entry.id} aufgrund einer Admin-Regel ignoriert.`);
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return;
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}
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if (!entry.checkProfileId || !hasProfileId) {
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await processBooking(session, entry, availablePickup);
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}
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} catch (error) {
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console.error(`[ERROR] Pickup-Check für Store ${entry.id} fehlgeschlagen:`, error.message);
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}
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}
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function scheduleEntry(sessionId, entry, settings) {
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const cronExpression = settings.scheduleCron || DEFAULT_SETTINGS.scheduleCron;
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const job = cron.schedule(
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cronExpression,
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() => {
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const delay = randomDelayMs(
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settings.randomDelayMinSeconds,
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settings.randomDelayMaxSeconds
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);
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setTimeout(() => checkEntry(sessionId, entry, settings), delay);
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},
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{
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timezone: 'Europe/Berlin'
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}
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);
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sessionStore.attachJob(sessionId, job);
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setTimeout(
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() => checkEntry(sessionId, entry, settings),
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randomDelayMs(settings.initialDelayMinSeconds, settings.initialDelayMaxSeconds)
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);
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}
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function scheduleConfig(sessionId, config, settings) {
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const resolvedSettings = resolveSettings(settings);
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sessionStore.clearJobs(sessionId);
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const activeEntries = config.filter((entry) => entry.active);
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if (activeEntries.length === 0) {
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console.log(`[INFO] Keine aktiven Einträge für Session ${sessionId} – Scheduler ruht.`);
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return;
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}
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activeEntries.forEach((entry) => scheduleEntry(sessionId, entry, resolvedSettings));
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console.log(
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`[INFO] Scheduler für Session ${sessionId} mit ${activeEntries.length} Jobs aktiv (Cron: ${resolvedSettings.scheduleCron}).`
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);
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}
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module.exports = {
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scheduleConfig
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};
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