From 28abdb15a238dd4887966cde61699752b84024ec Mon Sep 17 00:00:00 2001
From: DiTus <ditus@o2.pl>
Date: Sun, 1 Mar 2026 22:25:59 +0100
Subject: [PATCH] fixed: always update timestamp from current data, not stale
 cache

---
 .../static/js/ui/signals-calculator.js        | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/api/dashboard/static/js/ui/signals-calculator.js b/src/api/dashboard/static/js/ui/signals-calculator.js
index 30c41d1..533c6a4 100644
--- a/src/api/dashboard/static/js/ui/signals-calculator.js
+++ b/src/api/dashboard/static/js/ui/signals-calculator.js
@@ -107,6 +107,7 @@ function calculateHistoricalCrossovers(activeIndicators, candles) {
         // Find the most recent crossover by going backwards from the newest candle
         // candles are sorted oldest first, newest last
         let lastCrossoverTimestamp = null;
+        let lastSignalType = null;
         
         for (let i = candles.length - 1; i > 0; i--) {
             const candle = candles[i];       // newer candle
@@ -130,18 +131,36 @@ function calculateHistoricalCrossovers(activeIndicators, candles) {
             // SELL signal: price crossed from above to below MA
             if (priceAbovePrev && !priceAboveNow) {
                 lastCrossoverTimestamp = candle.time;
+                lastSignalType = 'sell';
                 break;
             }
             // BUY signal: price crossed from below to above MA
             if (!priceAbovePrev && priceAboveNow) {
                 lastCrossoverTimestamp = candle.time;
+                lastSignalType = 'buy';
                 break;
             }
         }
         
+        // Always update the timestamp based on current data
+        // If crossover found use that time, otherwise use last candle time
         if (lastCrossoverTimestamp) {
-            console.log(`[HistoricalCross] ${indicatorType}: Found crossover at ${new Date(lastCrossoverTimestamp * 1000).toLocaleString()}`);
+            console.log(`[HistoricalCross] ${indicatorType}: Found ${lastSignalType} crossover at ${new Date(lastCrossoverTimestamp * 1000).toLocaleString()}`);
             indicator.lastSignalTimestamp = lastCrossoverTimestamp;
+            indicator.lastSignalType = lastSignalType;
+        } else {
+            // No crossover found - use last candle time
+            const lastCandleTime = candles[candles.length - 1]?.time;
+            if (lastCandleTime) {
+                // Determine current signal direction
+                const lastResult = results[results.length - 1];
+                const ma = lastResult?.ma !== undefined ? lastResult.ma : lastResult;
+                if (ma !== undefined) {
+                    const isAbove = candles[candles.length - 1].close > ma;
+                    indicator.lastSignalType = isAbove ? 'buy' : 'sell';
+                    indicator.lastSignalTimestamp = lastCandleTime;
+                }
+            }
         }
     });
 }