Run Olist sync daily at 10am

backend/config.js

@@ -43,7 +43,7 @@ module.exports = {
     OLIST_FRONTEND_URL: process.env.OLIST_FRONTEND_URL || '',
     OLIST_TOKEN_ENCRYPTION_KEY: process.env.OLIST_TOKEN_ENCRYPTION_KEY || '',
     OLIST_SYNC_ENABLED: process.env.OLIST_SYNC_ENABLED === 'true',
-    OLIST_SYNC_INTERVAL_MS: Number(process.env.OLIST_SYNC_INTERVAL_MS) || 24 * 60 * 60 * 1000,
+    OLIST_SYNC_HOUR: 10,
     OLIST_SYNC_REQUEST_DELAY_MS: Math.max(2_500, Number(process.env.OLIST_SYNC_REQUEST_DELAY_MS) || 2_500),
     TURNSTILE_SITE_KEY,
     TURNSTILE_SECRET

backend/index.js

@@ -8,7 +8,7 @@ const start = async () => {
     await markInterruptedOlistRuns();
 
     const app = createApp();
-    if (OLIST_SYNC_ENABLED) scheduleOlistSync();
+    if (OLIST_SYNC_ENABLED) await scheduleOlistSync();
     app.listen(PORT, '0.0.0.0', () => {
         console.log(`Nexstar Backend running at http://localhost:${PORT}`);
         console.log(`Endpoint for n8n: POST http://localhost:${PORT}/api/data`);

backend/services/olistService.js

@@ -5,7 +5,7 @@ const {
     OLIST_CLIENT_SECRET,
     OLIST_FRONTEND_URL,
     OLIST_REDIRECT_URI,
-    OLIST_SYNC_INTERVAL_MS,
+    OLIST_SYNC_HOUR,
     OLIST_SYNC_REQUEST_DELAY_MS,
     OLIST_TOKEN_ENCRYPTION_KEY
 } = require('../config');
@@ -20,6 +20,7 @@ let activeSync = null;
 let activeRunId = null;
 let stopRequested = false;
 let scheduledSync = null;
+let nextScheduledSyncAt = null;
 let nextOlistRequestAt = 0;
 
 const normalizeText = (value) => String(value || '').trim();
@@ -110,6 +111,29 @@ const listSyncRuns = async (limit = 5) => {
     return result.rows.map(mapRun);
 };
 
+const hasScheduledSyncToday = async () => {
+    const result = await pool.query(`
+        SELECT EXISTS (
+            SELECT 1
+            FROM olist_sync_runs
+            WHERE trigger = 'scheduled'
+              AND started_at >= (date_trunc('day', CURRENT_TIMESTAMP AT TIME ZONE 'America/Sao_Paulo') AT TIME ZONE 'America/Sao_Paulo')
+        ) AS exists;
+    `);
+    return Boolean(result.rows[0]?.exists);
+};
+
+const getTodayOlistRunAt = () => {
+    const parts = new Intl.DateTimeFormat('en-CA', {
+        timeZone: 'America/Sao_Paulo',
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit'
+    }).formatToParts(new Date());
+    const value = (type) => parts.find(part => part.type === type)?.value;
+    return new Date(`${value('year')}-${value('month')}-${value('day')}T${String(OLIST_SYNC_HOUR).padStart(2, '0')}:00:00-03:00`);
+};
+
 const logRunEvent = async (runId, {
     level = 'info',
     eventType,
@@ -235,6 +259,7 @@ const getOlistStatus = async () => {
         connected: Boolean(connection),
         tokenExpiresAt: connection?.token_expires_at || null,
         syncInProgress: Boolean(activeSync),
+        nextScheduledSyncAt,
         productCache,
         runs
     };
@@ -691,12 +716,38 @@ const requestOlistSyncStop = async () => {
     return { accepted: true, initializing: false };
 };
 
-const scheduleOlistSync = () => {
-    if (scheduledSync) clearInterval(scheduledSync);
-    scheduledSync = setInterval(() => {
-        startOlistSync({ trigger: 'scheduled' }).catch(error => console.error('Scheduled Olist sync skipped:', error.message));
-    }, OLIST_SYNC_INTERVAL_MS);
-    return scheduledSync;
+const scheduleOlistSync = async () => {
+    if (scheduledSync) clearTimeout(scheduledSync);
+
+    let scheduledRunAt = getTodayOlistRunAt();
+    let delay = Math.max(0, scheduledRunAt.getTime() - Date.now());
+    try {
+        if (delay === 0 && await hasScheduledSyncToday()) {
+            scheduledRunAt.setUTCDate(scheduledRunAt.getUTCDate() + 1);
+            delay = scheduledRunAt.getTime() - Date.now();
+        }
+    } catch (error) {
+        console.error('Could not calculate the next daily Olist sync:', error.message);
+    }
+
+    nextScheduledSyncAt = new Date(Date.now() + delay).toISOString();
+    scheduledSync = setTimeout(async () => {
+        scheduledSync = null;
+        nextScheduledSyncAt = null;
+        try {
+            assertConfigured();
+            if (!await getConnection()) {
+                console.error('Scheduled Olist sync skipped: no connected Olist account.');
+                return;
+            }
+            await runOlistSync({ trigger: 'scheduled' });
+        } catch (error) {
+            console.error('Scheduled Olist sync failed:', error.message);
+        } finally {
+            await scheduleOlistSync();
+        }
+    }, delay);
+    return nextScheduledSyncAt;
 };
 
 const getOlistFrontendRedirect = (outcome) => `${OLIST_FRONTEND_URL.replace(/\/$/, '')}/#/admin/olist?olist=${outcome}`;

src/pages/OlistSync.tsx

@@ -184,7 +184,7 @@ const OlistSync = () => {
         <div className="rounded-2xl border border-dark-border bg-dark-card p-5">
           <div className="flex items-center justify-between"><span className="text-xs font-bold uppercase tracking-widest text-dark-muted">Execução atual</span><Timer className="h-4 w-4 text-brand-primary" /></div>
           <p className="mt-4 text-lg font-bold text-dark-text">{latestRun?.status === 'running' ? (latestRun.cancelRequestedAt ? 'Parando' : 'Em andamento') : 'Em espera'}</p>
-          <p className="mt-1 text-xs font-semibold text-dark-muted">Duração: {formatDuration(latestRun?.startedAt || null, latestRun?.status === 'running' ? null : latestRun?.completedAt || null, now)}</p>
+          <p className="mt-1 text-xs font-semibold text-dark-muted">{latestRun?.status === 'running' ? `Duração: ${formatDuration(latestRun.startedAt, null, now)}` : `Próxima automática: ${formatDateTime(status?.nextScheduledSyncAt || null)}`}</p>
         </div>
         <div className="rounded-2xl border border-dark-border bg-dark-card p-5">
           <div className="flex items-center justify-between"><span className="text-xs font-bold uppercase tracking-widest text-dark-muted">Estruturas</span><Database className="h-4 w-4 text-brand-primary" /></div>

src/types.ts

@@ -246,6 +246,7 @@ export interface OlistStatus {
   connected: boolean;
   tokenExpiresAt: string | null;
   syncInProgress: boolean;
+  nextScheduledSyncAt: string | null;
   productCache: {
     total: number;
     checked: number;