compute_price_for_parking_ticket(): add handling for PaymentMethod::Steps.

in tariff-files to provide the prices for an hour.

library/include/mobilisis/calculate_price.h

@@ -84,6 +84,51 @@ struct CALCULATE_LIBRARY_API CalcState {
         return (m_status == State::SUCCESS);
     }
 
+    QString toString() {
+        QString s;
+        switch (m_status) {
+        case State::SUCCESS:
+            s = "SUCCESS";
+            break;
+        case State::ERROR_PARSING_ZONE_NR:
+            s = "ERROR_PARSING_ZONE_NR";
+            break;
+        case State::ERROR_LOADING_TARIFF:
+            s = "ERROR_LOADING_TARIFF";
+            break;
+        case State::ERROR_PARSING_TARIFF:
+            s = "ERROR_PARSING_TARIFF";
+            break;
+        case State::NEGATIVE_PARING_TIME:
+            s = "NEGATIVE_PARKING_TIME";
+           break;
+        case State::ABOVE_MAX_PARKING_TIME:
+            s = "ABOVE_MAX_PARKING_TIME";
+            break;
+        case State::WRONG_PARAM_VALUES:
+            s = "WRONG_PARAM_VALUES";
+            break;
+        case State::BELOW_MIN_PARKING_TIME:
+            s = "BELOW_MIN_PARKING_TIME";
+            break;
+        case State::BELOW_MIN_PARKING_PRICE:
+            s = "BELOW_MIN_PARKING_PRICE";
+            break;
+        case State::OVERPAID:
+            s = "OVERPAID";
+            break;
+        case State::INVALID_START_DATE:
+            s = "INVALID_START_DATE";
+            break;
+        case State::WRONG_ISO_TIME_FORMAT:
+            s = "WRONG_ISO_TIME_FORMAT";
+            break;
+        case State::OUTSIDE_ALLOWED_PARKING_TIME:
+            s = "OUTSIDE_ALLOWED_PARKING_TIME";
+        }
+        return s + ":" + m_desc;
+    }
+
     explicit operator QString () const noexcept {
         QString s;
         switch (m_status) {
@@ -130,6 +175,8 @@ struct CALCULATE_LIBRARY_API CalcState {
     }
 
     CalcState &set(State s) { m_status = s; return *this; }
+    CalcState &setStatus(State s) { return set(s); }
+    State getStatus() const { return m_status; }
     CalcState &setDesc(QString s) { m_desc = s; return *this; }
 
     void setAllowedTimeRange(QTime const &from, QTime const &until) {
@@ -152,6 +199,7 @@ QList<int> CALCULATE_LIBRARY_API get_time_steps(Configuration *cfg);
 int CALCULATE_LIBRARY_API get_minimal_parkingtime(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 int CALCULATE_LIBRARY_API get_maximal_parkingtime(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 int CALCULATE_LIBRARY_API get_minimal_parkingprice(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
+int CALCULATE_LIBRARY_API get_maximal_parkingprice(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 int CALCULATE_LIBRARY_API compute_product_price(Configuration const *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 
 CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(       // deprecated

library/include/mobilisis/tariff_permit_type.h

@@ -11,6 +11,7 @@ enum class PERMIT_TYPE : quint8 {
     DAY_TICKET_ADULT,
     DAY_TICKET_TEEN,
     DAY_TICKET_CHILD,
+    FOOD_STAMP,
     INVALID
 };
 
@@ -41,6 +42,9 @@ struct PermitType {
         case 6:
             m_permitType = PERMIT_TYPE::DAY_TICKET_CHILD;
             break;
+        case 7:
+            m_permitType = PERMIT_TYPE::FOOD_STAMP;
+            break;
         default:
             m_permitType = PERMIT_TYPE::INVALID;
         }
@@ -52,7 +56,7 @@ struct PermitType {
 
     operator PERMIT_TYPE() const { return m_permitType; }
 
-    operator int() const {
+    operator int () const {
         switch(m_permitType) {
         case PERMIT_TYPE::SHORT_TERM_PARKING:
             return 0;
@@ -68,6 +72,8 @@ struct PermitType {
             return 5;
         case PERMIT_TYPE::DAY_TICKET_TEEN:
             return 6;
+        case PERMIT_TYPE::FOOD_STAMP:
+            return 7;
         default:
             break;
         }
@@ -75,7 +81,7 @@ struct PermitType {
 
     }
 
-    operator QString() const {
+    operator QString () {
         switch(m_permitType) {
         case PERMIT_TYPE::DAY_TICKET:
             return QString("DAY_TICKET");
@@ -91,6 +97,32 @@ struct PermitType {
             return QString("SZEGED_START");
         case PERMIT_TYPE::SZEGED_STOP:
             return QString("SZEGED_STOP");
+        case PERMIT_TYPE::FOOD_STAMP:
+            return QString("FOOD_STAMP");
+        default:
+            break;
+        }
+        return QString("INVALID");
+    }
+
+    operator QString () const {
+        switch(m_permitType) {
+        case PERMIT_TYPE::DAY_TICKET:
+            return QString("DAY_TICKET");
+        case PERMIT_TYPE::DAY_TICKET_ADULT:
+            return QString("DAY_TICKET_ADULT");
+        case PERMIT_TYPE::DAY_TICKET_CHILD:
+            return QString("DAY_TICKET_CHILD");
+        case PERMIT_TYPE::DAY_TICKET_TEEN:
+            return QString("DAY_TICKET_TEEN");
+        case PERMIT_TYPE::SHORT_TERM_PARKING:
+            return QString("SHORT_TERM_PARKING");
+        case PERMIT_TYPE::SZEGED_START:
+            return QString("SZEGED_START");
+        case PERMIT_TYPE::SZEGED_STOP:
+            return QString("SZEGED_STOP");
+        case PERMIT_TYPE::FOOD_STAMP:
+            return QString("FOOD_STAMP");
         default:
             break;
         }

library/src/calculate_price.cpp

@@ -85,6 +85,8 @@ int CALCULATE_LIBRARY_API compute_product_price(Configuration const *cfg, PERMIT
         // [[fallthrough]];
     case PERMIT_TYPE::DAY_TICKET_TEEN:
         // [[fallthrough]];
+    case PERMIT_TYPE::FOOD_STAMP:
+        // [[fallthrough]];
     case PERMIT_TYPE::DAY_TICKET_ADULT: {
         std::optional<QVector<ATBTariffProduct>> products = cfg->getTariffProductForProductId(permitType);
         if (products) {
@@ -92,6 +94,21 @@ int CALCULATE_LIBRARY_API compute_product_price(Configuration const *cfg, PERMIT
             if (product.size() > 0) {
                 ATBTariffProduct const &p = product[0];
                 return p.m_tariff_product_price;
+#if 0
+                // in case we do not have prepaid-option
+                QTime const &currentTime = QDateTime::currentDateTime().time();
+
+                if (p.m_tariff_product_start <= currentTime && currentTime <= p.m_tariff_product_end) {
+                    return p.m_tariff_product_price;
+                } else {
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "ERROR currentTime"
+                                << currentTime.toString(Qt::ISODate)
+                                << "INVALID ("
+                                << p.m_tariff_product_start.toString(Qt::ISODate)
+                                << p.m_tariff_product_end.toString(Qt::ISODate) << ")";
+                }
+#endif
             }
         }
     } break;
@@ -108,7 +125,7 @@ int CALCULATE_LIBRARY_API get_maximal_parkingprice(Configuration *cfg, PERMIT_TY
 
     switch(permitType) {
     case PERMIT_TYPE::SHORT_TERM_PARKING: { // e.g. szeged (customer_281)
-        if (paymentMethodId == PaymentMethod::Progressive) {
+        if (paymentMethodId == PaymentMethod::Progressive || paymentMethodId == PaymentMethod::Steps) {
             maxPrice = Utilities::getMaximalParkingPrice(cfg, paymentMethodId);
         } else { // PaymentMethod::Linear -> e.g. szeged
             int const key = cfg->getPaymentOptions().pop_id;
@@ -117,7 +134,7 @@ int CALCULATE_LIBRARY_API get_maximal_parkingprice(Configuration *cfg, PERMIT_TY
             if (pv) {
                 QVector<ATBPaymentRate> const &paymentRate = pv.value();
                 if (paymentRate.size() > 0) {
-                    int const price = paymentRate.at(0).pra_price; // price is given per hour
+                    int const price = paymentRate.last().pra_price; // price is given per hour
                     maxPrice = qRound((maxTime * price) / 60.0f);
                 }
             }
@@ -411,14 +428,23 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
         return calcState.set(CalcState::State::SUCCESS);
     }
 
+    double cost = -1;
     if (start_parking_time.isValid()) {
-        double cost = Calculator::GetInstance().GetCostFromDuration(
+        if (tariff->getPaymentOptions().pop_payment_method_id == PaymentMethod::Steps) {
+            calcState = Calculator::GetInstance().isParkingAllowed(tariff, start_parking_time);
+            if (calcState.getStatus() == CalcState::State::OUTSIDE_ALLOWED_PARKING_TIME) {
+                return calcState;
+            }
+            cost = Calculator::GetInstance().GetCostFromDuration(tariff, start_parking_time, netto_parking_time);
+        } else {
+            cost = Calculator::GetInstance().GetCostFromDuration(
                         tariff,
                         tariff->getPaymentOptions().pop_payment_method_id,
                         start_parking_time,         // starting time
                         end_parking_time,           // return value: end time
                         netto_parking_time,         // minutes, netto
                         false, prepaid);
+        }
         double minCost = tariff->getPaymentOptions().pop_min_price;
         if (cost < minCost) {
             calcState.setDesc(QString("minCost=%1, cost=%2").arg(minCost, cost));
@@ -428,8 +454,10 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
         // DEBUG
         qCritical() << "               -> calculated cost (price->netto) =  " << cost;
 
+        price->brutto = price->vat = price->vat_percentage = 0;
         price->units = cost;
         price->netto = cost;
+
     } else {
         return calcState.set(CalcState::State::INVALID_START_DATE);
     }

library/src/calculator_functions.cpp

@@ -181,6 +181,13 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
         int durationMinutes = Utilities::getMaximalParkingTime(cfg, paymentMethodId);
         int durationMinutesBrutto = 0;
 
+#ifdef _DEBUG_
+#undef _DEBUG_
+#endif
+
+//#define _DEBUG_ 1
+#define _DEBUG_ 0
+
         QDateTime current = start;
 
         int days = 7;
@@ -229,139 +236,340 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
         uint price = 0;
 
         if (carryOverNotSet) {
-            int range = 0;
             int minsToCarryOver = 0; // from one work-time to the other on the same day
             int minsUsed = 0;
             QDateTime lastCurrent = QDateTime();
 
+            QVector<ATBWeekDaysWorktime> weekDayWorkTimeRanges;
+
+            using WTIterator = std::multimap<int, ATBWeekDaysWorktime>::const_iterator;
+            std::pair<WTIterator, WTIterator> p = cfg->WeekDaysWorktime.equal_range(weekdayId);
+
+            for (WTIterator itr = p.first; itr != p.second; ++itr) {
+                weekDayWorkTimeRanges.append(itr->second); // working with vector is easier
+            }
+
+            int weekDayWorkTimeIndex = 0;
+            bool moveToNextTimeRange = false;
+
+            // time ranges for Neuhauser-Kirchdorf (743): 30, 5, 5, ... 5
             auto timeRangeIt = cfg->TimeRange.cbegin();
-            for (; timeRangeIt != cfg->TimeRange.cend(); ++timeRangeIt) {
+            while (timeRangeIt != cfg->TimeRange.cend()) { // ; ++timeRangeIt) {
-                using WTIterator = std::multimap<int, ATBWeekDaysWorktime>::const_iterator;
-                std::pair<WTIterator, WTIterator> p = cfg->WeekDaysWorktime.equal_range(weekdayId);
 
-                for (WTIterator itr = p.first; itr != p.second; ++itr) {
+                if (weekDayWorkTimeIndex >= weekDayWorkTimeRanges.size()) {
-                    ++range;
 
-                    QTime const &from = Utilities::WeekDaysWorkTimeFrom(itr);
+#if _DEBUG_==1
-                    QTime const &to = Utilities::WeekDaysWorkTimeUntil(itr);
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "weekDayWorkTimeRanges.size()" << weekDayWorkTimeRanges.size()
+                                << "price" << price;
+#endif
+                    end_datetime = current;
+                    return end_datetime.toString(Qt::ISODate).toStdString();
+                }
 
-                    Q_ASSERT_X(from < to, __func__, "MISCONFIGURED WORK-TIMES");
+                QTime const &from = QTime::fromString(weekDayWorkTimeRanges[weekDayWorkTimeIndex].pwd_time_from.c_str(), Qt::ISODate);
+                QTime const &to = QTime::fromString(weekDayWorkTimeRanges[weekDayWorkTimeIndex].pwd_time_to.c_str(), Qt::ISODate);
 
-                    if (current.time() >= to) {
+#if _DEBUG_==1
-                        continue; // try to use next available work-time
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
-                    } else
+                            << "current" << current.toString(Qt::ISODate)
-                    if (current.time() <= from) {
+                            << "from" << from.toString(Qt::ISODate)
-                        if (prepaid) {
+                            << "to" << to.toString(Qt::ISODate);
-                            lastCurrent = current;
+#endif
-                            current.setTime(from); // move current forward (range==1),
-                                                   // as prepaid is set
-                            uint const minutesMoved = lastCurrent.secsTo(current) / 60;
-                            durationMinutesBrutto += minutesMoved;
 
-                            if (range == 1) {
+                Q_ASSERT_X(from < to, __func__, "MISCONFIGURED WORK-TIMES");
-                                start_datetime = current;
-                            }
-                        }
-                    }
 
-                    while (timeRangeIt != cfg->TimeRange.cend()) {
+                if (current.time() >= to) {
-                        ATBTimeRange timeRange = timeRangeIt->second;
+                    ++weekDayWorkTimeIndex;
 
-                        timeRange.computeQTimes(current.time());
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "try to use next available work-time with"
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "price" << price;
+#endif
+                    // time range is not affected
+                    continue;
+                } else
+                if (current.time() <= from) {
+                    if (prepaid) {
+                        lastCurrent = current;
+                        current.setTime(from); // move current forward (range==1),
+                                               // as prepaid is set
+                        uint const minutesMoved = lastCurrent.secsTo(current) / 60;
+                        durationMinutesBrutto += minutesMoved;
 
-                        int duration = timeRange.time_range_to_in_minutes_from_start -
+#if _DEBUG_==1
-                                       timeRange.time_range_from_in_minutes_from_start;
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "lastCurrent" << lastCurrent.toString(Qt::ISODate)
+                                    << "current" << current.toString(Qt::ISODate)
+                                    << "minutesMoved" << minutesMoved
+                                    << "durationMinutesBrutto" << durationMinutesBrutto;
+#endif
 
-                        if (minsUsed > 0) {
+                        if (weekDayWorkTimeIndex == 0) {
-                            duration -= minsUsed;
+                            start_datetime = current;
-                            minsUsed = 0;
-                        }
-
-                        if (current.addSecs(duration * 60).time() <= to) {
-                            if (minsToCarryOver > 0) {  // the price for this time range
-                                                        // has been is paid already
-                                durationMinutes -= duration;
-                                durationMinutesNetto += duration;
-                                durationMinutesBrutto += duration;
-                                current = current.addSecs(duration*60);
-                                minsToCarryOver = 0;
-                            } else {
-                                for(const auto &x: cfg->PaymentRate) {
-                                    ATBPaymentRate const rate = x.second;
-                                    if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
-                                        price += (uint)rate.pra_price;
-
-                                        if (price >= maxParkingPrice) {
-                                            price = maxParkingPrice;
-                                        }
-
-                                        durationMinutes -= duration;
-                                        durationMinutesNetto += duration;
-                                        durationMinutesBrutto += duration;
-
-                                        current = current.addSecs(duration * 60);
-
-                                        if (price >= cost) {
-                                            end_datetime = current;
-                                            return end_datetime.toString(Qt::ISODate).toStdString();
-                                        }
-
-                                        break;
-                                    }
-                                }
-                            }
-
-                            if (durationMinutes <= 0) {
-                                end_datetime = current;
-                                return end_datetime.toString(Qt::ISODate).toStdString();
-                            }
-
-                            ++timeRangeIt;
-
-                        } else {
-
-                            lastCurrent = current;
-                            current.setTime(to);
-                            minsUsed = lastCurrent.secsTo(current) / 60;
-
-                            // mod duration: possibly discard some minutes in
-                            // the next time-range
-                            if (durationMinutes >= minsUsed) {
-                                minsToCarryOver = durationMinutes - minsUsed;
-                            }
-
-                            durationMinutes -= minsUsed;
-                            durationMinutesNetto += minsUsed;
-                            durationMinutesBrutto += minsUsed;
-
-                            if (minsUsed > 0) {
-                                for(const auto &x: cfg->PaymentRate) {
-                                    ATBPaymentRate const rate = x.second;
-                                    if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
-                                        price += (uint)rate.pra_price;
-
-                                        if (price >= maxParkingPrice) {
-                                            price = maxParkingPrice;
-                                        }
-
-                                        if (price >= cost) {
-                                            end_datetime = current;
-                                            // return end_datetime.toString(Qt::ISODate).toStdString();
-                                        }
-                                        break;
-                                    }
-                                }
-                            }
-                            break;
                         }
                     }
                 }
 
+                ATBTimeRange timeRange = timeRangeIt->second;
+
+                timeRange.computeQTimes(current.time());
+
+                int duration = timeRange.time_range_to_in_minutes_from_start -
+                               timeRange.time_range_from_in_minutes_from_start;
+
+#if _DEBUG_==1
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                            << "current" << current.toString(Qt::ISODate)
+                            << "duration" << duration
+                            << "minsUsed" << minsUsed
+                            << "minsToCarryOver" << minsToCarryOver
+                            << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                            << "price" << price;
+#endif
+
+                if (minsToCarryOver > 0) {  // the price for this time range
+                                            // has been is paid already
+                    Q_ASSERT_X(weekDayWorkTimeIndex > 0, __func__, "WRONG-WORK-TIME");
+
+                    current = current.addSecs(minsToCarryOver*60);
+
+                    durationMinutes -= minsToCarryOver;
+                    durationMinutesNetto += minsToCarryOver;
+                    durationMinutesBrutto += minsToCarryOver;
+
+                    minsToCarryOver = 0;
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "durationMinutes" << durationMinutes
+                                << "durationMinutesNetto" << durationMinutesNetto
+                                << "durationMinutesBrutto" << durationMinutesBrutto
+                                << "price" << price;
+#endif
+                    if (price >= cost) {
+                        end_datetime = current;
+
+#if _DEBUG_==1
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                    << "price" << price;
+#endif
+                        return end_datetime.toString(Qt::ISODate).toStdString();
+                    }
+                }
+
+                if (current.addSecs(duration * 60).time() <= to) {
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "current.addSecs(" << duration * 60 << ")" << current.addSecs(duration*60).time().toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "minsUsed" << minsUsed
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes;
+#endif
+
+                    moveToNextTimeRange = false;
+                    for(const auto &x: cfg->PaymentRate) {
+                        ATBPaymentRate const rate = x.second;
+                        if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
+                            price += (uint)rate.pra_price;
+
+                            if (price >= maxParkingPrice) {
+                                price = maxParkingPrice;
+                            }
+
+                            durationMinutes -= duration;
+                            durationMinutesNetto += duration;
+                            durationMinutesBrutto += duration;
+
+                            current = current.addSecs(duration * 60);
+
+                            if (price >= cost) {
+                                end_datetime = current;
+#if _DEBUG_==1
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                    << "price" << price;
+#endif
+                                return end_datetime.toString(Qt::ISODate).toStdString();
+                            }
+
+                            // price has been updated; use next time range
+                            moveToNextTimeRange = true;
+                            break;
+                        }
+                    }
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "price" << price
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes
+                                << "durationMinutesNetto" << durationMinutesNetto
+                                << "durationMinutesBrutto" << durationMinutesBrutto;
+#endif
+
+                    if (price >= cost) {
+                        end_datetime = current;
+
+#if _DEBUG_==1
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                    << "price" << price;
+#endif
+
+                        return end_datetime.toString(Qt::ISODate).toStdString();
+                    }
+
+                    if (moveToNextTimeRange) {
+                        if (++timeRangeIt != cfg->TimeRange.cend()) {
+                            continue;
+                        }
+                    }
+
+                    // havin a new time range means that we always have a new
+                    // work-time-range
+                    // ++timeRangeIt;
+
+                } else { // current.addSecs(duration * 60).time() > to
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "current.addSecs(" << duration * 60 << ")" << current.addSecs(duration*60).time().toString(Qt::ISODate)
+                                << "duration" << duration
+                                << ", to:" << to.toString(Qt::ISODate);
+#endif
+
+                    lastCurrent = current;
+                    current.setTime(to);
+                    minsUsed = lastCurrent.secsTo(current) / 60;
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "lastCurrent" << lastCurrent.toString(Qt::ISODate)
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "minsUsed" << minsUsed
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes;
+#endif
+
+                    // mod duration: possibly discard some minutes in
+                    // the next time-range
+                    if (duration >= minsUsed) {
+                        minsToCarryOver = duration - minsUsed;
+                    }
+
+                    durationMinutes -= minsUsed;
+                    durationMinutesNetto += minsUsed;
+                    durationMinutesBrutto += minsUsed;
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "lastCurrent" << lastCurrent.toString(Qt::ISODate)
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "minsUsed" << minsUsed
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes
+                                << "price" << price;
+#endif
+
+                    moveToNextTimeRange = false;
+
+                    if (minsUsed > 0) {
+                        for(const auto &x: cfg->PaymentRate) {
+                            ATBPaymentRate const rate = x.second;
+                            if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
+                                price += (uint)rate.pra_price;
+
+                                if (price >= maxParkingPrice) {
+                                    price = maxParkingPrice;
+                                }
+
+                                if (price >= cost) {
+                                    end_datetime = current;
+
+#if _DEBUG_==1
+                                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                                << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                                << "price" << price;
+#endif
+
+                                    // return end_datetime.toString(Qt::ISODate).toStdString();
+                                }
+
+                                // price has been updated; use next time range
+                                moveToNextTimeRange = true;
+                                break;
+                            }
+                        }
+                    }
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "minsUsed" << minsUsed
+                                << "durationMinutes" << durationMinutes
+                                << "moveToNextTimeRange" << moveToNextTimeRange
+                                << "price" << price;
+#endif
+
+                    if (moveToNextTimeRange) {
+                        if (++timeRangeIt != cfg->TimeRange.cend()) {
+                            continue;
+                        }
+
+                        // no valid time range left
+                        end_datetime = current;
+
+#if _DEBUG_==1
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                    << "price" << price;
+#endif
+
+                        return end_datetime.toString(Qt::ISODate).toStdString();
+                    }
+                }
+
                 end_datetime = start.addSecs(durationMinutesBrutto * 60);
+
+#if _DEBUG_==1
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                            << "start" << start.toString(Qt::ISODate)
+                            << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                            << "final price" << std::max(price, minParkingPrice);
+#endif
+
                 return end_datetime.toString(Qt::ISODate).toStdString();
-            }
+            } // while (timeRangeIt != cfg->TimeRange.cend()) {
         }
 
+#if _DEBUG_==1
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                            << "INVALID END TIME";
+#endif
         end_datetime = QDateTime();
         return end_datetime.toString(Qt::ISODate).toStdString();
     }
@@ -373,6 +581,7 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
     // TODO: im fehlerfall
     return t.getValidUntil().toString(Qt::ISODate).toStdString();
 }
+#undef _DEBUG_
 
 ///////////////////////////////////////
 
@@ -522,6 +731,13 @@ double Calculator::GetCostFromDuration(Configuration* cfg,
         int weekdayIdLast = -1;
         int durationMinutesBrutto = 0;
 
+#ifdef _DEBUG_
+#undef _DEBUG_
+#endif
+
+//#define _DEBUG_ 1
+#define _DEBUG_ 0
+
         QDateTime current = start;
 
         int days = 7;
@@ -571,120 +787,309 @@ double Calculator::GetCostFromDuration(Configuration* cfg,
         uint price = 0;
 
         if (carryOverNotSet) {
-            int range = 0;
             int minsToCarryOver = 0; // from one work-time to the other on the same day
             int minsUsed = 0;
             QDateTime lastCurrent = QDateTime();
 
+            QVector<ATBWeekDaysWorktime> weekDayWorkTimeRanges;
+
+            using WTIterator = std::multimap<int, ATBWeekDaysWorktime>::const_iterator;
+            std::pair<WTIterator, WTIterator> p = cfg->WeekDaysWorktime.equal_range(weekdayId);
+
+            for (WTIterator itr = p.first; itr != p.second; ++itr) {
+                weekDayWorkTimeRanges.append(itr->second); // working with vector is easier
+            }
+
+            int weekDayWorkTimeIndex = 0;
+            bool moveToNextTimeRange = false;
+
+            // time ranges for Neuhauser-Kirchdorf (743): 30, 5, 5, ... 5
             auto timeRangeIt = cfg->TimeRange.cbegin();
-            for (; timeRangeIt != cfg->TimeRange.cend(); ++timeRangeIt) {
+            while (timeRangeIt != cfg->TimeRange.cend()) { // ; ++timeRangeIt) {
-                using WTIterator = std::multimap<int, ATBWeekDaysWorktime>::const_iterator;
-                std::pair<WTIterator, WTIterator> p = cfg->WeekDaysWorktime.equal_range(weekdayId);
 
-                for (WTIterator itr = p.first; itr != p.second; ++itr) {
+                if (weekDayWorkTimeIndex >= weekDayWorkTimeRanges.size()) {
-                    ++range;
 
-                    QTime const &from = Utilities::WeekDaysWorkTimeFrom(itr);
+#if _DEBUG_==1
-                    QTime const &to = Utilities::WeekDaysWorkTimeUntil(itr);
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "weekDayWorkTimeRanges.size()" << weekDayWorkTimeRanges.size();
+#endif
+                    end_datetime = current;
+                    return price;
+                }
 
-                    Q_ASSERT_X(from < to, __func__, "MISCONFIGURED WORK-TIMES");
+                QTime const &from = QTime::fromString(weekDayWorkTimeRanges[weekDayWorkTimeIndex].pwd_time_from.c_str(), Qt::ISODate);
+                QTime const &to = QTime::fromString(weekDayWorkTimeRanges[weekDayWorkTimeIndex].pwd_time_to.c_str(), Qt::ISODate);
 
-                    if (current.time() >= to) {
+#if _DEBUG_==1
-                        continue; // try to use next available work-time
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
-                    } else
+                            << "current" << current.toString(Qt::ISODate)
-                    if (current.time() <= from) {
+                            << "from" << from.toString(Qt::ISODate)
-                        if (prepaid) {
+                            << "to" << to.toString(Qt::ISODate);
-                            lastCurrent = current;
+#endif
-                            current.setTime(from); // move current forward (range==1),
-                                                   // as prepaid is set
-                            uint const minutesMoved = lastCurrent.secsTo(current) / 60;
-                            durationMinutesBrutto += minutesMoved;
 
-                            if (range == 1) {
+                Q_ASSERT_X(from < to, __func__, "MISCONFIGURED WORK-TIMES");
-                                start_datetime = current;
-                            }
-                        }
-                    }
 
-                    while (timeRangeIt != cfg->TimeRange.cend()) {
+                if (current.time() >= to) {
-                        ATBTimeRange timeRange = timeRangeIt->second;
+                    ++weekDayWorkTimeIndex;
 
-                        timeRange.computeQTimes(current.time());
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "try to use next available work-time with"
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "price" << price;
+#endif
+                    // time range is not affected
+                    continue;
+                } else
+                if (current.time() <= from) {
+                    if (prepaid) {
+                        lastCurrent = current;
+                        current.setTime(from); // move current forward (range==1),
+                                               // as prepaid is set
+                        uint const minutesMoved = lastCurrent.secsTo(current) / 60;
+                        durationMinutesBrutto += minutesMoved;
 
-                        int duration = timeRange.time_range_to_in_minutes_from_start -
+#if _DEBUG_==1
-                                       timeRange.time_range_from_in_minutes_from_start;
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "lastCurrent" << lastCurrent.toString(Qt::ISODate)
+                                    << "current" << current.toString(Qt::ISODate)
+                                    << "minutesMoved" << minutesMoved
+                                    << "durationMinutesBrutto" << durationMinutesBrutto;
+#endif
 
-                        if (minsUsed > 0) {
+                        if (weekDayWorkTimeIndex == 0) {
-                            duration -= minsUsed;
+                            start_datetime = current;
-                            minsUsed = 0;
-                        }
-
-                        if (current.addSecs(duration * 60).time() <= to) {
-                            if (minsToCarryOver > 0) {  // the price for this time range
-                                                        // has been is paid already
-                                durationMinutes -= duration;
-                                durationMinutesNetto += duration;
-                                durationMinutesBrutto += duration;
-                                current = current.addSecs(duration*60);
-                                minsToCarryOver = 0;
-                            } else {
-                                for(const auto &x: cfg->PaymentRate) {
-                                    ATBPaymentRate const rate = x.second;
-                                    if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
-                                        price += (uint)rate.pra_price;
-
-                                        durationMinutes -= duration;
-                                        durationMinutesNetto += duration;
-                                        durationMinutesBrutto += duration;
-
-                                        current = current.addSecs(duration * 60);
-                                        break;
-                                    }
-                                }
-                            }
-
-                            if (durationMinutes <= 0) {
-                                end_datetime = current;
-                                return price;
-                            }
-
-                            ++timeRangeIt;
-
-                        } else {
-
-                            lastCurrent = current;
-                            current.setTime(to);
-                            minsUsed = lastCurrent.secsTo(current) / 60;
-
-                            // mod duration: possibly discard some minutes in
-                            // the next time-range
-                            if (durationMinutes >= minsUsed) {
-                                minsToCarryOver = durationMinutes - minsUsed;
-                            }
-
-                            durationMinutes -= minsUsed;
-                            durationMinutesNetto += minsUsed;
-                            durationMinutesBrutto += minsUsed;
-
-                            if (minsUsed > 0) {
-                                for(const auto &x: cfg->PaymentRate) {
-                                    ATBPaymentRate const rate = x.second;
-                                    if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
-                                        price += (uint)rate.pra_price;
-                                        break;
-                                    }
-                                }
-                            }
-                            break;
                         }
                     }
                 }
 
+                ATBTimeRange timeRange = timeRangeIt->second;
+
+                timeRange.computeQTimes(current.time());
+
+                int duration = timeRange.time_range_to_in_minutes_from_start -
+                               timeRange.time_range_from_in_minutes_from_start;
+
+#if _DEBUG_==1
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                            << "current" << current.toString(Qt::ISODate)
+                            << "duration" << duration
+                            << "minsUsed" << minsUsed
+                            << "minsToCarryOver" << minsToCarryOver
+                            << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                            << "price" << price;
+#endif
+
+                if (minsToCarryOver > 0) {  // the price for this time range
+                                            // has been is paid already
+                    Q_ASSERT_X(weekDayWorkTimeIndex > 0, __func__, "WRONG-WORK-TIME");
+
+                    current = current.addSecs(minsToCarryOver*60);
+
+                    durationMinutes -= minsToCarryOver;
+                    durationMinutesNetto += minsToCarryOver;
+                    durationMinutesBrutto += minsToCarryOver;
+
+                    minsToCarryOver = 0;
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "durationMinutes" << durationMinutes
+                                << "durationMinutesNetto" << durationMinutesNetto
+                                << "durationMinutesBrutto" << durationMinutesBrutto;
+#endif
+                    if (durationMinutes <= 0) {
+                        end_datetime = current;
+
+#if _DEBUG_==1
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                    << "price" << price;
+#endif
+
+                        return price;
+                    }
+                }
+
+                if (current.addSecs(duration * 60).time() <= to) {
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "current.addSecs(" << duration * 60 << ")" << current.addSecs(duration*60).time().toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "minsUsed" << minsUsed
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes;
+#endif
+
+                    moveToNextTimeRange = false;
+                    for(const auto &x: cfg->PaymentRate) {
+                        ATBPaymentRate const rate = x.second;
+                        if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
+                            price += (uint)rate.pra_price;
+
+                            durationMinutes -= duration;
+                            durationMinutesNetto += duration;
+                            durationMinutesBrutto += duration;
+
+                            current = current.addSecs(duration * 60);
+
+                            // price has been updated; use next time range
+                            moveToNextTimeRange = true;
+                            break;
+                        }
+                    }
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "price" << price
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes
+                                << "durationMinutesNetto" << durationMinutesNetto
+                                << "durationMinutesBrutto" << durationMinutesBrutto;
+#endif
+
+                    if (durationMinutes <= 0) {
+                        end_datetime = current;
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                << "price" << price;
+#endif
+
+                        return price;
+                    }
+
+                    if (moveToNextTimeRange) {
+                        if (++timeRangeIt != cfg->TimeRange.cend()) {
+                            continue;
+                        }
+                    }
+
+                    // havin a new time range means that we always have a new
+                    // work-time-range
+                    // ++timeRangeIt;
+
+                } else { // current.addSecs(duration * 60).time() > to
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "current.addSecs(" << duration * 60 << ")" << current.addSecs(duration*60).time().toString(Qt::ISODate)
+                                << "duration" << duration
+                                << ", to:" << to.toString(Qt::ISODate);
+#endif
+
+                    lastCurrent = current;
+                    current.setTime(to);
+                    minsUsed = lastCurrent.secsTo(current) / 60;
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "lastCurrent" << lastCurrent.toString(Qt::ISODate)
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "minsUsed" << minsUsed
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes;
+#endif
+
+                    // mod duration: possibly discard some minutes in
+                    // the next time-range
+                    if (duration >= minsUsed) {
+                        minsToCarryOver = duration - minsUsed;
+                    }
+
+                    durationMinutes -= minsUsed;
+                    durationMinutesNetto += minsUsed;
+                    durationMinutesBrutto += minsUsed;
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "lastCurrent" << lastCurrent.toString(Qt::ISODate)
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "to" << to.toString(Qt::ISODate)
+                                << "minsUsed" << minsUsed
+                                << "minsToCarryOver" << minsToCarryOver
+                                << "weekDayWorkTimeIndex" << weekDayWorkTimeIndex
+                                << "durationMinutes" << durationMinutes
+                                << "price" << price;
+#endif
+
+                    moveToNextTimeRange = false;
+
+                    if (minsUsed > 0) {
+                        for(const auto &x: cfg->PaymentRate) {
+                            ATBPaymentRate const rate = x.second;
+                            if (rate.pra_payment_unit_id == timeRange.time_range_payment_type_id) {
+                                price += (uint)rate.pra_price;
+
+                                // price has been updated; use next time range
+                                moveToNextTimeRange = true;
+                                break;
+                            }
+                        }
+                    }
+
+#if _DEBUG_==1
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                << "current" << current.toString(Qt::ISODate)
+                                << "duration" << duration
+                                << "minsUsed" << minsUsed
+                                << "durationMinutes" << durationMinutes
+                                << "moveToNextTimeRange" << moveToNextTimeRange
+                                << "price" << price;
+#endif
+
+                    if (moveToNextTimeRange) {
+                        if (++timeRangeIt != cfg->TimeRange.cend()) {
+                            continue;
+                        }
+
+                        // no valid time range left
+                        end_datetime = current;
+
+#if _DEBUG_==1
+                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                                    << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                                    << "price" << price;
+#endif
+
+                        return price;
+                    }
+                }
+
                 end_datetime = start.addSecs(durationMinutesBrutto * 60);
+
+#if _DEBUG_==1
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                            << "start" << start.toString(Qt::ISODate)
+                            << "end_datetime" << end_datetime.toString(Qt::ISODate)
+                            << "final price" << std::max(price, minParkingPrice);
+#endif
+
                 return std::max(price, minParkingPrice);
-            }
+            } // while (timeRangeIt != cfg->TimeRange.cend()) {
         }
 
+#if _DEBUG_==1
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                            << "INVALID END TIME";
+#endif
         end_datetime = QDateTime();
         return 0;
     }
@@ -1331,6 +1736,9 @@ Calculator::GetDailyTicketPrice(Configuration* cfg,
         if (dailyTickets) {
             QVector<ATBDailyTicket> const tickets = dailyTickets.value();
             switch (permitType) {
+                case PERMIT_TYPE::FOOD_STAMP: {
+                    // TODO
+                } break;
                 case PERMIT_TYPE::DAY_TICKET_ADULT: {
                     std::optional<ATBCustomer> c = cfg->getCustomerForType(ATBCustomer::CustomerType::ADULT);
                     if (c) {