From 793627b04651e93f137432e9f88123c2b94d8d43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cau=C3=AA=20Faleiros?= <cauefaleiros@gmail.com>
Date: Wed, 12 Aug 2026 09:14:33 -0300
Subject: [PATCH] Run Olist sync daily at 10am

---
 backend/config.js                |  2 +-
 backend/services/olistService.js | 40 +++++++++++++++++++++-----------
 2 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/backend/config.js b/backend/config.js
index 20689ca..5b3f02c 100644
--- a/backend/config.js
+++ b/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
diff --git a/backend/services/olistService.js b/backend/services/olistService.js
index 424e382..8a28c6b 100644
--- a/backend/services/olistService.js
+++ b/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');
@@ -111,15 +111,27 @@ const listSyncRuns = async (limit = 5) => {
     return result.rows.map(mapRun);
 };
 
-const getLastCompletedSyncAt = async () => {
+const hasScheduledSyncToday = async () => {
     const result = await pool.query(`
-        SELECT completed_at
-        FROM olist_sync_runs
-        WHERE status = 'completed' AND completed_at IS NOT NULL
-        ORDER BY completed_at DESC
-        LIMIT 1;
+        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 result.rows[0]?.completed_at || null;
+    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, {
@@ -707,15 +719,15 @@ const requestOlistSyncStop = async () => {
 const scheduleOlistSync = async () => {
     if (scheduledSync) clearTimeout(scheduledSync);
 
-    let delay = OLIST_SYNC_INTERVAL_MS;
+    let scheduledRunAt = getTodayOlistRunAt();
+    let delay = Math.max(0, scheduledRunAt.getTime() - Date.now());
     try {
-        const lastCompletedAt = await getLastCompletedSyncAt();
-        const lastCompletedMs = lastCompletedAt ? new Date(lastCompletedAt).getTime() : Number.NaN;
-        if (!Number.isNaN(lastCompletedMs)) {
-            delay = Math.max(0, lastCompletedMs + OLIST_SYNC_INTERVAL_MS - Date.now());
+        if (delay === 0 && await hasScheduledSyncToday()) {
+            scheduledRunAt.setUTCDate(scheduledRunAt.getUTCDate() + 1);
+            delay = scheduledRunAt.getTime() - Date.now();
         }
     } catch (error) {
-        console.error('Could not calculate the next Olist sync:', error.message);
+        console.error('Could not calculate the next daily Olist sync:', error.message);
     }
 
     nextScheduledSyncAt = new Date(Date.now() + delay).toISOString();