From 44e2ce24a3a707dbd851f8219a22518e2f91714c Mon Sep 17 00:00:00 2001
From: Gerhard Hoffmann <g.hoffmann@atb-online.eu>
Date: Thu, 10 Oct 2024 11:30:53 +0200
Subject: [PATCH] Add helper computeMinutesUntilCarryOverEnd(). 	Used in new
 tariff-calculator. Replace of previous wrong approach of         using
 m_range.duration.

---
 library/include/mobilisis/tariff_carryover.h | 22 ++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/library/include/mobilisis/tariff_carryover.h b/library/include/mobilisis/tariff_carryover.h
index 72e80bd..901881e 100644
--- a/library/include/mobilisis/tariff_carryover.h
+++ b/library/include/mobilisis/tariff_carryover.h
@@ -61,6 +61,28 @@ struct ATBTariffCarryOver {
         return QString("ERROR unknown carry over application: %1").arg(static_cast<int>(m_carryOverIf));
     }
 
+    int computeMinutesUntilCarryOverEnd(QDateTime const &dt) {
+        int minutes = 0;
+        QString end = m_range.m_end.toString(Qt::ISODate);
+        if (end == "24:00:00") {
+            QDateTime t = dt.addDays(1);
+            t.setTime(QTime(0,0,0));
+            minutes = dt.secsTo(t) / 60;
+        } else {
+            QDateTime t(dt);
+            t.setTime(QTime::fromString(end, Qt::ISODate));
+            minutes = dt.secsTo(t) / 60;
+        }
+
+        if (minutes < 0 || minutes > m_range.m_duration) {
+            minutes = 0;
+        }
+
+        // qCritical() << __func__ << ":" << __LINE__ << "minutes" << minutes;
+
+        return minutes;
+    }
+
     friend QDebug operator<<(QDebug debug, ATBTariffCarryOver const &co) {
         QDebugStateSaver saver(debug);