Add compute_next_timestep()

but the multimap YearPeriod, which must be empty.

library/include/mobilisis/atb_project.h

@@ -0,0 +1,13 @@
+#ifndef ATB_PROJECT_H_INCLUDED
+#define ATB_PROJECT_H_INCLUDED
+
+#include <QString>
+
+class ATBProject {
+  public:
+    QString project;
+    QString version;
+    QString info;
+};
+
+#endif // ATB_PROJECT_H_INCLUDED

library/include/mobilisis/calculate_price.h

@@ -4,6 +4,9 @@
 #include <time.h>
 #include <inttypes.h>
 
+#include <QString>
+#include <QDateTime>
+
 #ifdef WIN32
 #ifdef CALCULATE_LIBRARY_EXPORTS
 #define CALCULATE_LIBRARY_API __declspec(dllexport)
@@ -18,9 +21,9 @@ class Configuration;
 
 typedef Configuration parking_tariff_t;
 
-#ifdef __cplusplus
+//#ifdef __cplusplus
-extern "C" {
+//extern "C" {
-#endif
+//#endif
 
 struct CALCULATE_LIBRARY_API price_t {
     uint32_t units;
@@ -30,16 +33,115 @@ struct CALCULATE_LIBRARY_API price_t {
     double vat;
 };
 
-bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *config_file);
+struct CALCULATE_LIBRARY_API CalcState {
-void CALCULATE_LIBRARY_API free_tariff(parking_tariff_t *tariff);
+    enum class State : uint8_t {
-int CALCULATE_LIBRARY_API get_zone_nr();
+        SUCCESS,
+        ERROR_PARSING_ZONE_NR,
+        ERROR_LOADING_TARIFF,
+        ERROR_PARSING_TARIFF,
+        NEGATIVE_PARING_TIME,
+        INVALID_START_DATE,
+        WRONG_PARAM_VALUES,
+        WRONG_ISO_TIME_FORMAT,
+        ABOVE_MAX_PARKING_TIME,
+        BELOW_MIN_PARKING_TIME,
+        BELOW_MIN_PARKING_PRICE,
+        OVERPAID
+    };
 
-bool CALCULATE_LIBRARY_API compute_price_for_parking_ticket(parking_tariff_t *tariff,
+    State m_status;
+    QString m_desc;
+
+    explicit CalcState() : m_status(State::SUCCESS), m_desc("") {}
+
+    explicit operator bool() const noexcept {
+        return (m_status == State::SUCCESS);
+    }
+
+    explicit operator QString () const noexcept {
+        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";
+        }
+        return s + ":" + m_desc;
+    }
+
+    CalcState &set(State s) { m_status = s; return *this; }
+    CalcState &setDesc(QString s) { m_desc = s; return *this; }
+};
+
+CalcState CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff,
+                                            char const *config_file);
+void CALCULATE_LIBRARY_API free_tariff(parking_tariff_t *tariff);
+int CALCULATE_LIBRARY_API get_zone_nr(int zone = -1);
+
+int CALCULATE_LIBRARY_API compute_next_timestep(parking_tariff_t *tariff, int currentTimeMinutes, int UpDown);
+
+CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(       // deprecated
+                                            parking_tariff_t *tariff,
                                             time_t start_parking_time,
                                             time_t end_parking_time,
                                             struct price_t *price);
-#ifdef __cplusplus
+
-} // extern "C"
+CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
-#endif
+                                            parking_tariff_t *tariff,
+                                            QDateTime const &start_parking_time,
+                                            int netto_parking_time,
+                                            QDateTime &end_parking_time,    // return value
+                                            struct price_t *price);         // return value
+
+CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(        // deprecated
+                                            parking_tariff_t *tariff,
+                                            time_t start_parking_time,
+                                            double cost,
+                                            QString &duration);
+
+CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(
+                                            parking_tariff_t *tariff,
+                                            QDateTime const &start_parking_time,
+                                            double cost,
+                                            QDateTime &ticketEndTime);      // return value
+
+CalcState CALCULATE_LIBRARY_API compute_duration_for_daily_ticket(
+                                            parking_tariff_t *tariff,
+                                            QDateTime const &start_parking_time,
+                                            QDateTime &ticketEndTime);
+//#ifdef __cplusplus
+//} // extern "C"
+//#endif
 
 #endif // CALCULATE_PRICE_H

library/include/mobilisis/calculator_functions.h

@@ -1,7 +1,8 @@
 #pragma once
 #include <iostream>
 #include "configuration.h"
-
+#include "payment_method.h"
+#include <QDateTime>
 using namespace std;
 
 class Calculator
@@ -23,7 +24,25 @@ public:
 	/// <param name="tariff_cfg">Pointer to configuration</param>
 	/// <param name="vehicle_type">Type of vehicle</param>
 	/// <param name="start_datetime">Date/time of payment to be conducted in ISO8601 format (e.g. 2022-12-25T08:00:00Z) </param>
+    /// <param name="end_datetime">Date/time of park end to be conducted in ISO8601 format (e.g. 2022-12-25T08:00:00Z) </param>
 	/// <param name="durationMin">Duration of parking in minutes</param>
 	/// <returns>Returns cost (data type: double)</returns>
-	double GetCostFromDuration(Configuration* cfg, uint8_t vehicle_type, char const* start_datetime, double durationMin, bool nextDay = false, bool prepaid = false);
+    double GetCostFromDuration(Configuration* cfg, uint8_t vehicle_type, const QDateTime start_datetime, QDateTime & end_datetime, double durationMin, bool nextDay = false, bool prepaid = false);
+
+    // Daily ticket
+    QDateTime GetDailyTicketDuration(Configuration* cfg, const QDateTime start_datetime, uint8_t payment_option, bool carry_over);
+
+    //
+    // helper function to find time steps for a tariff with PaymentMethod::Steps
+    // (e.g. Schoenau/Koenigsee)
+    //
+    QList<int> GetTimeSteps(Configuration *cfg) const;
+
+private:
+    // Introduced for PaymentMethod::Steps (e.g. Schoenau)
+    // For tariff of following structure: only steps, no special days, nonstop.
+    uint32_t GetCostFromDuration(Configuration *cfg, QDateTime const &start, quint64 durationMinutes) const;
+    uint32_t GetCostFromDuration(Configuration *cfg, QDateTime const &start, QDateTime const &end) const;
+    uint32_t GetPriceForTimeStep(Configuration *cfg, int timeStep) const;
+    uint32_t GetDurationForPrice(Configuration *cfg, int price) const;
 };

library/include/mobilisis/configuration.h

@@ -20,6 +20,7 @@
 #include "member_type.h"
 #include "period_year.h"
 #include "payment_rate.h"
+#include "atb_project.h"
 
 using namespace std;
 using namespace rapidjson;
@@ -27,7 +28,7 @@ using namespace rapidjson;
 class Configuration
 {
 public:
-
+    ATBProject project;
     ATBCurrency Currency;
 	ATBDuration duration;
 
@@ -48,6 +49,8 @@ public:
 	/// <returns>Returns operation status bool (OK | FAIL) </returns>
 	bool ParseJson(Configuration* cfg, const char* json);
 
+    ATBPaymentOption const & getPaymentOptions();
+
 private:
 	/// <summary>
 	/// Identify type of JSON member
@@ -55,4 +58,6 @@ private:
 	/// <param name="member_name"></param>
 	/// <returns></returns>
 	MemberType IdentifyJsonMember(const char* member_name);
+
+    ATBPaymentOption currentPaymentOptions;
 };

library/include/mobilisis/day_of_week.h

@@ -2,12 +2,12 @@
 
 enum DayOfWeek
 {
-	Saturday = 0x06,
+    Monday = 0x01,
-	Sunday = 0x01,
-	Monday = 0x02,
     Tuesday = 0x02,
     Wednesday = 0x03,
     Thursday = 0x04,
     Friday = 0x05,
+    Saturday = 0x06,
+    Sunday = 0x07,
     UndefinedDay = 0xFF
 };

library/include/mobilisis/payment_opt.h

@@ -14,4 +14,5 @@ public:
 	double pop_max_time;
 	double pop_min_price;
 	int pop_carry_over;
+    int pop_daily_card_price;
 };

library/include/mobilisis/utilities.h

@@ -68,5 +68,6 @@ public:
 	/// </summary>
 	/// <param name="pra_price"></param>
 	/// <returns></returns>
-	static double CalculatePricePerUnit(double pra_price);
+    static double CalculatePricePerUnit(double pra_price, double durationUnit = -1);
+
 };

library/library.pro

@@ -65,7 +65,8 @@ HEADERS += \
     include/mobilisis/tariff_period_year.h \
     include/mobilisis/tariff_payment_rate.h \
     include/mobilisis/tariff_log.h \
-    include/mobilisis/calculate_price.h
+    include/mobilisis/calculate_price.h \
+    include/mobilisis/atb_project.h
 
 OTHER_FILES += src/main.cpp
 

library/src/calculate_price.cpp

@@ -10,25 +10,31 @@
 
 static Calculator calculator;
 
-int CALCULATE_LIBRARY_API get_zone_nr() {
+int CALCULATE_LIBRARY_API get_zone_nr(int zone)
+{
+    if(zone > -1) return zone;
+    else
+    {
         QFile zone("/etc/zone_nr");
         if (zone.exists()) {
             QFileInfo finfo(zone);
             if (finfo.size() <= 4) { // decimal 000\n
                 if (zone.open(QIODevice::ReadOnly | QIODevice::Text)) {
-
                     QTextStream in(&zone);
                     return in.readLine(100).toInt();
-
                 }
             }
         }
         return -1;
     }
+}
 
-bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *config_file) {
+CalcState CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *config_file) {
     *tariff = new Configuration();
 
+    CalcState calcState;
+#if __linux__
+
     int const zone = get_zone_nr();
 
     // DEBUG
@@ -36,7 +42,9 @@ bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *co
     qCritical() << "      ... zone = " << zone;
 
     if (zone <= 0) {
-        return false;
+        delete *tariff;
+        *tariff = nullptr;
+        return calcState.set(CalcState::State::ERROR_PARSING_ZONE_NR);
     }
 
     QString confFile(config_file);
@@ -48,62 +56,294 @@ bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *co
     memset(buffer, 0x00, sizeof(buffer));
     snprintf(buffer, sizeof(buffer)-1, "tariff%02d.json", zone);
     confFile += buffer;
+#else // windows
+    QString confFile(config_file);
+#endif
 
     // DEBUG
     qCritical() << "      ... confFile = " << confFile;
 
     QFile fname(confFile);
-    if (fname.exists()) {
+    if (fname.exists() &&
-
+            fname.open(QIODevice::ReadOnly | QIODevice::Text)) {
-        // DEBUG
-        qCritical() << "      ... confFile exists";
-
-        if (fname.open(QIODevice::ReadOnly | QIODevice::Text)) {
-
         // DEBUG
         qCritical() << "      ... confFile is open";
 
         QString json = fname.readAll();
-            return (*tariff)->ParseJson(*tariff, json.toStdString().c_str());
+        if (! (*tariff)->ParseJson(*tariff, json.toStdString().c_str())) {
+            delete *tariff;
+            *tariff = nullptr;
+            return calcState.set(CalcState::State::ERROR_PARSING_TARIFF);
         }
+    } else {
+        delete *tariff;
+        *tariff = nullptr;
+        return calcState.set(CalcState::State::ERROR_LOADING_TARIFF);
     }
 
-    qCritical() << "init_tariff: Parsing tariff config (" << confFile << ") failed!";
+    qCritical() << "init_tariff: Parsing tariff config (" << confFile << ")";
 
-    return false;
+    return calcState;
 }
 
 void CALCULATE_LIBRARY_API free_tariff(parking_tariff_t *tariff) {
+    if (tariff != nullptr) {
         delete tariff;
     }
+}
 
-bool CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
+
+//
+// UpDown 1 -> up; 0 -> down
+int CALCULATE_LIBRARY_API compute_next_timestep(parking_tariff_t *tariff, int currentTimeMinutes, int UpDown)
+{
+    static const QList<int> stepList = calculator.GetTimeSteps(tariff);
+
+    int currentStepIndex = stepList.indexOf(currentTimeMinutes);
+
+    if (currentStepIndex == -1) {
+        qCritical() << "compute_next_timestep() *NO STEP* for currentTimeMinutes (" << currentTimeMinutes << ")";
+        return  currentTimeMinutes;
+    }
+
+    if (UpDown == 1) { // UP
+        if (stepList[currentStepIndex] == stepList.last()) {
+            qCritical() << "compute_next_timestep() *NO NEXT STEP* for currentTimeMinutes (" << currentTimeMinutes << ")";
+            return  currentTimeMinutes;
+        }
+        else {
+            return stepList[currentStepIndex + 1];
+        }
+    }
+    if (UpDown == 0) { // DOWN
+        if (stepList[currentStepIndex] == stepList.first()) {
+            qCritical() << "compute_next_timestep() *NO PREVIOUS STEP* for currentTimeMinutes (" << currentTimeMinutes << ")";
+            return  currentTimeMinutes;
+        }
+        else {
+            return stepList[currentStepIndex - 1];
+        }
+    }
+
+    qCritical() << "compute_next_timestep() *CAN NOT COMPUTE* for currentTimeMinutes (" << currentTimeMinutes << ")";
+    return  currentTimeMinutes;
+}
+
+
+
+// this is currently not used
+CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
         parking_tariff_t *tariff,
         time_t start_parking_time, // in minutes
-                                      time_t end_parking_time,   // in minutes
+        time_t end_parking_time,   // netto time in minutes
         struct price_t *price) {
+    CalcState calcState;
+    double minMin = tariff->PaymentOption.find(tariff->getPaymentOptions().pop_payment_method_id)->second.pop_min_time;
+    double maxMin = tariff->PaymentOption.find(tariff->getPaymentOptions().pop_payment_method_id)->second.pop_max_time;
+
+    if (minMin < 0 || maxMin < 0 || maxMin < minMin) {
+        calcState.setDesc(QString("minMin=%1, maxMin=%2").arg(minMin).arg(maxMin));
+        return calcState.set(CalcState::State::WRONG_PARAM_VALUES);
+    }
+
     int const duration = end_parking_time - start_parking_time;
-    if (duration > 0) {
+    if (duration < 0) {
+        calcState.setDesc(QString("end=%1, start=%2")
+                          .arg(end_parking_time, start_parking_time));
+        return calcState.set(CalcState::State::NEGATIVE_PARING_TIME);
+    }
+    if (duration > maxMin) {
+        calcState.setDesc(QString("duration=%1, maxMin=%2").arg(duration).arg(maxMin));
+        return calcState.set(CalcState::State::ABOVE_MAX_PARKING_TIME);
+    }
+    if (duration < minMin) {
+        calcState.setDesc(QString("duration=%1, minMin=%2").arg(duration).arg(minMin));
+        return calcState.set(CalcState::State::BELOW_MIN_PARKING_TIME);
+    }
+    if (duration == 0) {
+        memset(price, 0x00, sizeof(*price));
+        return calcState.set(CalcState::State::SUCCESS);
+    }
+
+    QDate const d(1970, 1, 1);
+    QTime const t(0, 0, 0);
+    QDateTime start(d, t, Qt::UTC);
+    start = start.toLocalTime().addSecs(start_parking_time * 60);
+    QDateTime end(start);
+    if (start.isValid()) {
+        double cost = calculator.GetCostFromDuration(
+                    tariff,
+                    tariff->getPaymentOptions().pop_payment_method_id,
+                    start,
+                    end,
+                    duration, false, true);
+        double minCost = tariff->PaymentOption.find(tariff->getPaymentOptions().pop_payment_method_id)->second.pop_min_price;
+        if (cost < minCost) {
+            calcState.setDesc(QString("minCost=%1, cost=%2").arg(minCost).arg(cost));
+            return calcState.set(CalcState::State::BELOW_MIN_PARKING_PRICE);
+        }
+        price->units = cost;
+        price->netto = cost;
+    } else {
+        return calcState.set(CalcState::State::INVALID_START_DATE);
+    }
+
+    return calcState.set(CalcState::State::SUCCESS);
+}
+
+CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
+        parking_tariff_t *tariff,
+        QDateTime const &start_parking_time,
+        int netto_parking_time,
+        QDateTime &end_parking_time,
+        struct price_t *price)
+{
+    CalcState calcState;
+    double minMin = tariff->getPaymentOptions().pop_min_time;
+    double maxMin = tariff->getPaymentOptions().pop_max_time;
+
+    // DEBUG
+    qCritical() << "compute_price_for_parking_ticket() " << endl
+                << "          start_parking_time: " << start_parking_time << endl
+                << "          netto_parking_time: " << netto_parking_time << endl
+                << "                      minMin: " << minMin << endl
+                << "                      maxMin: " << maxMin;
+
+
+    if (netto_parking_time < 0) {
+        calcState.setDesc(QString("end=%1, start=%2")
+                          .arg(end_parking_time.toString(Qt::ISODate),
+                               start_parking_time.toString(Qt::ISODate)));
+        return calcState.set(CalcState::State::NEGATIVE_PARING_TIME);
+    }
+    if (netto_parking_time > maxMin) {
+        calcState.setDesc(QString("duration=%1, maxMin=%2").arg(netto_parking_time).arg(maxMin));
+        return calcState.set(CalcState::State::ABOVE_MAX_PARKING_TIME);
+    }
+    if (netto_parking_time < minMin) {
+        calcState.setDesc(QString("duration=%1, minMin=%2").arg(netto_parking_time).arg(minMin));
+        return calcState.set(CalcState::State::BELOW_MIN_PARKING_TIME);
+    }
+    if (netto_parking_time == 0) {
+        memset(price, 0x00, sizeof(*price));
+        return calcState.set(CalcState::State::SUCCESS);
+    }
+
+    if (start_parking_time.isValid()) {
+        double cost = calculator.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, true);
+        double minCost = tariff->getPaymentOptions().pop_min_price;
+        if (cost < minCost) {
+            calcState.setDesc(QString("minCost=%1, cost=%2").arg(minCost, cost));
+            return calcState.set(CalcState::State::BELOW_MIN_PARKING_PRICE);
+        }
+
+        // DEBUG
+        qCritical() << "               -> calculated cost (price->netto) =  " << cost;
+
+        price->units = cost;
+        price->netto = cost;
+    } else {
+        return calcState.set(CalcState::State::INVALID_START_DATE);
+    }
+
+    return calcState.set(CalcState::State::SUCCESS);
+}
+
+CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(
+        parking_tariff_t *tariff,
+        time_t start_parking_time,
+        double price,
+        QString &duration) {
+    CalcState calcState;
     QDate const d(1970, 1, 1);
     QTime const t(0, 0, 0);
     QDateTime start(d, t, Qt::UTC);
     start = start.toLocalTime().addSecs(start_parking_time * 60);
     if (start.isValid()) {
         QString cs = start.toString(Qt::ISODate);
-            double cost = calculator.GetCostFromDuration(
+
-                            tariff, PaymentOption::Option1,
+        // DEBUG
+        qCritical() << "compute_duration_for_parking_ticket(): ";
+        qCritical() << "      start (cs): " << cs;
+        qCritical() << "           price: " << price;
+
+        duration = calculator.GetDurationFromCost(tariff,
+                                                  tariff->getPaymentOptions().pop_payment_method_id,
                                                   cs.toLocal8Bit().constData(),
-                            duration, false, true);
+                                                  price, false, true).c_str();
-            price->units = cost;
+        QDateTime d = QDateTime::fromString(duration, Qt::ISODate);
-            price->netto = cost;
+        if (!d.isValid()) {
-            return true;
+            calcState.setDesc(QString("ticketEndTime=%1").arg(duration));
+            return calcState.set(CalcState::State::WRONG_ISO_TIME_FORMAT);
         }
-    } else
+    } else {
-    if (duration == 0) {
+        return calcState.set(CalcState::State::INVALID_START_DATE);
-        memset(price, 0x00, sizeof(*price));
-        return true;
     }
-    qCritical() << "ERROR start_parking_time (" << start_parking_time << ") <"
+
-                << "end_parking_time (" << end_parking_time << ")";
+    return calcState.set(CalcState::State::SUCCESS);
-    return false;
 }
+
+CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(
+        parking_tariff_t *tariff,
+        QDateTime const &start_parking_time,
+        double price,
+        QDateTime &ticketEndTime)
+{
+    CalcState calcState;
+    if (start_parking_time.isValid()) {
+        QString cs = start_parking_time.toString(Qt::ISODate);
+        QString endTime = calculator.GetDurationFromCost(
+                    tariff,
+                    tariff->getPaymentOptions().pop_payment_method_id,
+                    cs.toLocal8Bit().constData(),
+                    price, false, true).c_str();
+        ticketEndTime = QDateTime::fromString(endTime,Qt::ISODate);
+
+        // DEBUG
+        qCritical() << "compute_duration_for_parking_ticket(): ";
+        qCritical() << "                 endTime: " << endTime;
+        qCritical() << "           ticketEndTime: " << ticketEndTime;
+
+        if (!ticketEndTime.isValid()) {
+            calcState.setDesc(QString("ticketEndTime=%1").arg(endTime));
+            return calcState.set(CalcState::State::WRONG_ISO_TIME_FORMAT);
+        }
+    } else {
+        return calcState.set(CalcState::State::INVALID_START_DATE);
+    }
+
+    return calcState.set(CalcState::State::SUCCESS);
+}
+
+CalcState CALCULATE_LIBRARY_API compute_duration_for_daily_ticket(parking_tariff_t *tariff, QDateTime const &start_parking_time, QDateTime &ticketEndTime)
+{
+    CalcState calcState;
+    if (start_parking_time.isValid()) {
+
+        ticketEndTime = calculator.GetDailyTicketDuration(tariff,
+                                                            start_parking_time,
+                                                            tariff->getPaymentOptions().pop_payment_method_id,
+                                                            false);    // carry over
+
+        // DEBUG
+        qCritical() << "compute_duration_for_daily_ticket(): ";
+        qCritical() << "           ticketEndTime: " << ticketEndTime;
+
+        if (!ticketEndTime.isValid()) {
+            calcState.setDesc(QString("ticketEndTime=%1").arg(ticketEndTime.toString(Qt::ISODate)));
+            return calcState.set(CalcState::State::WRONG_ISO_TIME_FORMAT);
+        }
+
+    } else {
+        return calcState.set(CalcState::State::INVALID_START_DATE);
+    }
+
+    return calcState.set(CalcState::State::SUCCESS);
+}
+

library/src/calculator_functions.cpp

@@ -1,38 +1,160 @@
 #include "calculator_functions.h"
-#include "payment_method.h"
+#include "payment_option.h"
 #include "utilities.h"
 #include "tariff_log.h"
 
 #include <sstream>
+#include <QDateTime>
+#include <qdebug.h>
 
 double total_duration_min = 0.0f;
 double total_cost = 0.0f;
 bool overtime = false;
 
-/// <inheritdoc/>
+#ifdef _WIN32
-std::string Calculator::GetDurationFromCost(Configuration* cfg, uint8_t payment_option, char const* start_datetime, double price, bool nextDay, bool prepaid)
+inline struct tm* localtime_r(const time_t *clock, struct tm* result){
+    if(!clock || !result) return NULL;
+    memcpy(result,localtime(clock),sizeof(*result));
+    return result;
+}
+#endif
+
+QDateTime Calculator::GetDailyTicketDuration(Configuration* cfg, const QDateTime start_datetime, uint8_t payment_option, bool carry_over)
 {
-	// Get current date time from input
+    if(!start_datetime.isValid()) {
-	struct tm current_datetime = Utilities::DateTimeToStructTm(start_datetime);
+        return QDateTime();
-	time_t current_datetime_t;
+    }
+
+    double day_price = 0.0f;
+    int current_special_day_id = -1;
+    bool is_special_day = Utilities::CheckSpecialDay(cfg, start_datetime.toString(Qt::ISODate).toStdString().c_str(), &current_special_day_id, &day_price);
+
+    QDateTime inputDateTime = start_datetime;
+    QTime worktime_from;
+    QTime worktime_to;
+
+    int daily_card_price = cfg->PaymentOption.find(payment_option)->second.pop_daily_card_price;
+    if(daily_card_price <= 0) {
+        LOG_ERROR("Calculator::GetDailyTicketDuration(): Daily ticket price zero or less");
+        return QDateTime();
+    }
+
+    if(is_special_day)
+    {
+        worktime_from = QTime::fromString(cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_from.c_str(), Qt::ISODate);
+        worktime_to = QTime::fromString(cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_to.c_str(),Qt::ISODate);
+
+        if(inputDateTime.time() < worktime_from) inputDateTime.setTime(worktime_from);
+        if(carry_over) inputDateTime.setTime(worktime_from);
+
+        if(inputDateTime.time() >= worktime_to)
+        {
+            // Go to next day if outside worktime
+            inputDateTime = inputDateTime.addSecs(86400);
+            return GetDailyTicketDuration(cfg,inputDateTime, payment_option,true);
+        }
+
+        if(day_price <=0)
+        {
+            // Go to next day if special day price is 0
+            inputDateTime = inputDateTime.addSecs(86400);
+            return GetDailyTicketDuration(cfg,inputDateTime, payment_option,true);
+        }
+
+        int diff = abs(inputDateTime.time().secsTo(worktime_to));
+        inputDateTime = inputDateTime.addSecs(diff);
+
+        //qDebug() << "Ticket is valid until: " << inputDateTime.toString(Qt::ISODate) << "price = " << daily_card_price << ", duration = " << diff / 60;
+        return inputDateTime;
+    }
+    else
+    {
+        // Get day of week
+        int weekdayId = 0;
+        weekdayId = Utilities::ZellersAlgorithm(inputDateTime.date().day(),inputDateTime.date().month(),inputDateTime.date().year());
+
+        // If no working day found, skip it (recursively call method again)
+        size_t found = 0;
+        found = cfg->WeekDaysWorktime.count(weekdayId);
+
+        // When no workday found, go to next available day
+        if(found <=0)
+        {
+            inputDateTime = inputDateTime.addSecs(86400);
+            return GetDailyTicketDuration(cfg,inputDateTime, payment_option,true);
+        }
+        else
+        {
+            worktime_from = QTime::fromString(cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_from.c_str(),Qt::ISODate);
+            worktime_to = QTime::fromString(cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_to.c_str(),Qt::ISODate);
+            if(inputDateTime.time() < worktime_from)
+                inputDateTime.setTime(worktime_from);
+
+            if(carry_over)
+                inputDateTime.setTime(worktime_from);
+
+            if(inputDateTime.time() >= worktime_to)
+            {
+                // Go to next day if outside worktime
+                inputDateTime = inputDateTime.addSecs(86400);
+                return GetDailyTicketDuration(cfg,inputDateTime, payment_option,true);
+            }
+
+            int diff = abs(inputDateTime.time().secsTo(worktime_to));
+            inputDateTime = inputDateTime.addSecs(diff);
+
+            //qDebug() << "Ticket is valid until: " << inputDateTime.toString(Qt::ISODate) << "price = " << daily_card_price << ", duration = " << diff / 60;            
+            return inputDateTime;
+        }
+    }
+
+    return QDateTime();
+}
+/// <inheritdoc/>
+std::string Calculator::GetDurationFromCost(Configuration* cfg,
+                                            uint8_t payment_option,
+                                            char const* start_datetime, // given in local time
+                                            double price,
+                                            bool nextDay,
+                                            bool prepaid)
+{
+
+    // Get input date
+    QDateTime inputDate = QDateTime::fromString(start_datetime,Qt::ISODate);
+
+    // use tariff with structure as for instance Schnau, Koenigsee:
+    // without given YearPeriod, SpecialDays and SpecialDaysWorktime
+    if (cfg->YearPeriod.size() == 0
+        && cfg->SpecialDays.size() == 0
+        && cfg->SpecialDaysWorktime.size() == 0)
+    {
+        inputDate = inputDate.addSecs(GetDurationForPrice(cfg, price) * 60);
+
+        return inputDate.toString(Qt::ISODate).toStdString();
+    }
+
 
     // Get day of week
-	DayOfWeek weekdayId = DayOfWeek::UndefinedDay;
+    int weekdayId = 0;
-	weekdayId = Utilities::GetDayOfWeek(&current_datetime);
+    weekdayId = Utilities::ZellersAlgorithm(inputDate.date().day(),inputDate.date().month(),inputDate.date().year());
-
-	//std::stringstream ss;
-
-	// ss << "*** Input date is: " << start_datetime << " [weekday id = " << weekdayId << "]" << endl;
-	LOG_DEBUG("*** Input date is: ", start_datetime, " [weekday id = ", weekdayId, "]");
 
+    //Get min and max time defined in JSON
     double minMin = 0;
-	minMin = cfg->PaymentOption.find(payment_option)->second.pop_min_time;
+    minMin = cfg->getPaymentOptions().pop_min_time;
-	if (minMin < 0) minMin = 0;
 
     double maxMin = 0;
-	maxMin = cfg->PaymentOption.find(payment_option)->second.pop_max_time;
+    maxMin = cfg->getPaymentOptions().pop_max_time;
-	if (maxMin <= 0) maxMin = 60;
 
+    double min_price = 0;
+    min_price = cfg->getPaymentOptions().pop_min_price;
+
+    if(price < min_price)
+    {
+        return "PARKING NOT ALLOWED";
+    }
+
+    if (minMin < 0) minMin = 0;
+    if (maxMin < 0) maxMin = 0;
     if (minMin >= maxMin)
     {
         LOG_ERROR("Error: min_min cannot be greater or equal to max_min");
@@ -45,106 +167,72 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg, uint8_t payment_
         return "PARKING NOT ALLOWED";
     }
 
+
+    // Get payment method
     uint8_t p_method = PaymentMethod::Undefined;
     p_method = payment_option;
     LOG_DEBUG("Payment method id: ", (unsigned)p_method);
 
+    // Check special day
     double day_price = 0.0f;
     int current_special_day_id = -1;
-	bool is_special_day = Utilities::CheckSpecialDay(cfg, start_datetime, &current_special_day_id, &day_price);
+    bool is_special_day = Utilities::CheckSpecialDay(cfg, inputDate.toString(Qt::ISODate).toStdString().c_str(), &current_special_day_id, &day_price);
     LOG_DEBUG("Special day: ", is_special_day);
 
     double money_left = price;
-	LOG_DEBUG("Total money:", money_left);
-
     double price_per_unit = 0.0f;
 
-	string worktime_from = "";
+    QTime worktime_from;
-	string worktime_to = "";
+    QTime worktime_to;
 
     if(is_special_day)
     {
         // Set special day price
         price_per_unit = Utilities::CalculatePricePerUnit(day_price);
-		worktime_from = cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_from;
+        worktime_from = QTime::fromString(cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_from.c_str());
-		worktime_to = cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_to;
+        worktime_to = QTime::fromString(cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_to.c_str());
     }
     else
     {
         // Set new price for the normal day
-		day_price = cfg->PaymentRate.find(payment_option)->second.pra_price;
+        int pop_id = cfg->PaymentOption.find(payment_option)->second.pop_id;
-		price_per_unit = Utilities::CalculatePricePerUnit(day_price);
+        day_price = cfg->PaymentRate.find(pop_id)->second.pra_price;
+
+        int durationId = cfg->PaymentRate.find(pop_id)->second.pra_payment_unit_id;
+        double durationUnit = cfg->Duration.find(durationId)->second.pun_duration;
+        price_per_unit = Utilities::CalculatePricePerUnit(day_price,durationUnit);
 
         // If no working day found, skip it (recursively call method again)
         size_t found = 0;
         found = cfg->WeekDaysWorktime.count(weekdayId);
 
+        // When no workday found, go to next available day
         if(found <=0)
         {
             LOG_DEBUG("- No workday found, trying to find next available day");
-			current_datetime_t = mktime(&current_datetime);
+            inputDate = inputDate.addDays(1);
-			current_datetime_t += 86400;
+            return GetDurationFromCost(cfg, payment_option, inputDate.toString(Qt::ISODate).toStdString().c_str(), money_left,true,prepaid);
-			current_datetime = *localtime(&current_datetime_t);
-
-			char buffer_datetime[80];
-			strftime(buffer_datetime, 80, "%Y-%m-%dT%H:%M:%S", &current_datetime);
-
-			// Make new datetime string and call function again recursively
-			start_datetime = buffer_datetime;
-			return GetDurationFromCost(cfg, payment_option, start_datetime, price, true);
         }
-
+        worktime_from = QTime::fromString(cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_from.c_str());
-		worktime_from = cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_from;
+        worktime_to = QTime::fromString(cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_to.c_str());
-		worktime_to = cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_to;
     }
 
     if (price_per_unit < 0) price_per_unit = 1.0f;
+
+    // if((price/price_per_unit) < minMin) return "PARKING NOT ALLOWED";
     LOG_DEBUG("Calculated price per minute: ", price_per_unit);
 
-	LOG_DEBUG("Worktime from: ", worktime_from);
-	LOG_DEBUG("Worktime to: ", worktime_to);
-
-	struct tm from_tm;
-	struct tm to_tm;
-
-	from_tm = Utilities::TimeToStructTm(worktime_from.c_str(), current_datetime.tm_year, current_datetime.tm_mon, current_datetime.tm_mday, current_datetime.tm_wday);
-	from_tm.tm_year = current_datetime.tm_year;
-	from_tm.tm_mon = current_datetime.tm_mon;
-	from_tm.tm_wday = current_datetime.tm_wday;
-	from_tm.tm_mday = current_datetime.tm_mday;
-
-	to_tm = Utilities::TimeToStructTm(worktime_to.c_str(), current_datetime.tm_year, current_datetime.tm_mon, current_datetime.tm_mday, current_datetime.tm_wday);
-	to_tm.tm_year = current_datetime.tm_year;
-	to_tm.tm_mon = current_datetime.tm_mon;
-	to_tm.tm_wday = current_datetime.tm_wday;
-	to_tm.tm_mday = current_datetime.tm_mday;
-
-	// Convert tm structures to time_t
-	current_datetime_t = mktime(&current_datetime);
-	time_t from_datetime_t = mktime(&from_tm);
-	time_t to_datetime_t = mktime(&to_tm);
-
-	/*Newly added */
-	//current_datetime.tm_hour = from_tm.tm_hour;
-	//current_datetime.tm_min = from_tm.tm_min;
-	//current_datetime.tm_sec = from_tm.tm_sec;
-	//current_datetime_t = mktime(&current_datetime);
-
     // If overtime flag is set
     if (overtime || nextDay)
     {
-		current_datetime.tm_hour = from_tm.tm_hour;
+        inputDate.setTime(worktime_from);
-		current_datetime.tm_min = from_tm.tm_min;
-		current_datetime.tm_sec = from_tm.tm_sec;
-		current_datetime_t = mktime(&current_datetime);
-		LOG_DEBUG(" *** New input date set according to worktime: ", asctime(&current_datetime));
         overtime = false;
     }
 
-	// Validate ticket
+    // Check prepaid
     if (!prepaid)
     {
-		if ((current_datetime_t < from_datetime_t) || (current_datetime_t > to_datetime_t))
+        if ((inputDate.time() < worktime_from) || (inputDate.time() > worktime_to))
         {
             LOG_DEBUG("[STOP] * Ticket is not valid * ");
             return "PARKING NOT ALLOWED";
@@ -153,166 +241,195 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg, uint8_t payment_
     else
     {
         LOG_DEBUG("* PREPAID MODE ACTIVE *");
-
+        if (inputDate.time() < worktime_from)
-		if (current_datetime_t < from_datetime_t)
         {
-			current_datetime.tm_hour = from_tm.tm_hour;
+            inputDate.setTime(worktime_from);
-			current_datetime.tm_min = from_tm.tm_min;
-			current_datetime.tm_sec = from_tm.tm_sec;
-			current_datetime_t = mktime(&current_datetime);
-			LOG_DEBUG(" *** PREPAID *** Current time is before the time range start, adjusting time to: ", asctime(&current_datetime));
         }
-		else if (current_datetime_t > to_datetime_t)
+        else if(inputDate.time() > worktime_to)
         {
             LOG_DEBUG(" *** PREPAID *** Current time is past the time range end, searching for next available day");
-			current_datetime_t = mktime(&current_datetime);
+            inputDate = inputDate.addDays(1);
-			current_datetime_t += 86400;
+            return GetDurationFromCost(cfg, payment_option, inputDate.toString(Qt::ISODate).toStdString().c_str(), money_left, true);
-			current_datetime = *localtime(&current_datetime_t);
-
-			char buffer_datetime[80];
-			strftime(buffer_datetime, 80, "%Y-%m-%dT%H:%M:%S", &current_datetime);
-
-			//Make new datetime string and call function again recursively
-			start_datetime = buffer_datetime;
-			return GetDurationFromCost(cfg, payment_option, start_datetime, price, true, prepaid);
         }
     }
 
     while(true)
     {
-		if (!Utilities::IsYearPeriodActive(cfg, &current_datetime))
+        if((int)money_left <= 0) break;
+
+        // Check year period
+        bool isYearPeriodActive = false;
+
+        //// Parse input date
+        int dayCurrent = inputDate.date().day();
+        int monthCurrent = inputDate.date().month();
+
+        // Current date time
+        int cdt = (monthCurrent * 100) + dayCurrent;
+
+        multimap<int, ATBPeriodYear>::iterator year_period_itr;
+        for (year_period_itr = cfg->YearPeriod.begin(); year_period_itr != cfg->YearPeriod.end(); ++year_period_itr)
+        {
+            int dStart = year_period_itr->second.pye_start_day;
+            int dEnd = year_period_itr->second.pye_end_day;
+
+            int mStart = year_period_itr->second.pye_start_month;
+            int mEnd = year_period_itr->second.pye_end_month;
+
+            int start = (mStart * 100) + dStart;
+            int end = (mEnd * 100) + dEnd;
+
+            if (cdt >= start && cdt <= end) {
+                isYearPeriodActive = true;
+                break;
+            }
+        }
+        if (!isYearPeriodActive)
         {
             LOG_DEBUG("Year period is not valid");
             return "PARKING NOT ALLOWED";
         }
 
-		// Increment by 1 minute
+        if(total_duration_min > maxMin)
-		current_datetime_t = mktime(&current_datetime);
-		current_datetime_t += 60;
-		current_datetime = *localtime(&current_datetime_t);
-		total_duration_min += 1.0f;
-		money_left -= price_per_unit;
-
-
-		// If no money left (e.g. spent all of the money before reaching end of worktime)
-		if (money_left <= 0)
         {
-			LOG_DEBUG("No money left ");
-			break;
-		}
-		else
-		{
-			if (total_duration_min >= maxMin)
-			{
-				LOG_DEBUG("Total duration is greater or equal to max_min");
-
-				current_datetime_t = mktime(&current_datetime);
-				current_datetime_t -= 60;
-				current_datetime = *localtime(&current_datetime_t);
             total_duration_min = maxMin;
             break;
         }
 
-			// If money has left but the end of worktime has been reached (go to next day)
+        // If reached end of worktime go to next day
-			if (current_datetime_t >= to_datetime_t)
+        if(inputDate.time() >= worktime_to)
         {
-				total_duration_min -= 1.0f;
-
             int carry_over_status = 0;
             carry_over_status = cfg->PaymentOption.find(payment_option)->second.pop_carry_over;
-				LOG_DEBUG("Carry over status: ", carry_over_status);
             if (carry_over_status < 1) break;
 
-				LOG_DEBUG("Reached end of worktime");
+            inputDate = inputDate.addDays(1);
-				LOG_DEBUG("Trying to find next available day, money left = ", money_left);
-				current_datetime_t = mktime(&current_datetime);
-				current_datetime_t += 86400;
-				current_datetime = *localtime(&current_datetime_t);
-
-				char buffer_datetime[80];
-				strftime(buffer_datetime, 80, "%Y-%m-%dT%H:%M:%S", &current_datetime);
-
-				// Make new datetime string and call function again recursively
-				start_datetime = buffer_datetime;
             overtime = true;
-                return GetDurationFromCost(cfg, payment_option, start_datetime, price);
+            return GetDurationFromCost(cfg, payment_option, inputDate.toString(Qt::ISODate).toStdString().c_str(), money_left ,true, prepaid);
-			}
-		}
         }
 
-	time_t valid_until_datetime_t = current_datetime_t;
+        if(money_left > 1)
+            inputDate = inputDate.addSecs(60);
 
-	if ((total_duration_min < minMin) || (price / price_per_unit) < minMin)
+        if(price_per_unit > 0) total_duration_min +=1;
+        money_left -= price_per_unit;
+
+        //qDebug() <<"Timestamp:" << inputDate << ", total duration min: " << total_duration_min << ", money left = " << money_left;
+    }
+
+    //    if ((total_duration_min < minMin) || (price / price_per_unit) < minMin)
+    //    {
+    //        LOG_DEBUG("Total duration is lower than min_min");
+    //        inputDate.time() = worktime_from;
+    //        total_duration_min = 0;
+    //    }
+
+    double ret_val = 0;
+    // double calc_price = (int)total_duration_min - (int)price / price_per_unit;
+
+    //if (calc_price > 0 && total_duration_min > 0)
+    //{
+    //    inputDate = inputDate.addSecs(-(int)ceil(calc_price) * 60);
+    //}
+
+    if(price >= min_price && total_duration_min >= minMin)
+        qDebug() << "GetDurationFromCost(): Valid until: " << inputDate.toString(Qt::ISODate);
+    else
     {
-		LOG_DEBUG("Total duration is lower than min_min");
+        qDebug() << "Parking not allowed";
-		//valid_until_datetime_t += (minMin - total_duration_min) * 60;
-		//total_duration_min = minMin;
-		//return "PARKING NOT ALLOWED";
-
-		valid_until_datetime_t = from_datetime_t;
         total_duration_min = 0;
     }
 
-	double ret_val = 0;
+    ret_val = total_duration_min;
-	double calc_price = (int)total_duration_min - (int)price / price_per_unit;
+    if(ret_val < 0) ret_val = 0;
-
+    qDebug() << "Duration: " << ret_val;
-	if (calc_price > 0 && total_duration_min > 0)
-	{
-		valid_until_datetime_t -= (int)ceil(calc_price) * 60;
-		ret_val = total_duration_min - calc_price;
-	}
-	else ret_val = total_duration_min;
-
-	cout << "Total minutes: " << (int)ret_val << endl;
     if (ret_val <= 0) return "PARKING NOT ALLOWED";
 
-	struct tm valid_until_datetime = *localtime(&valid_until_datetime_t);
+    total_duration_min = 0;
-	LOG_DEBUG("Ticket is valid until ", asctime(&valid_until_datetime));
+    return inputDate.toString(Qt::ISODate).toStdString();
-
-	total_duration_min = 0.0f;
-	return asctime(&valid_until_datetime);
 }
 
 ///////////////////////////////////////
 
 /// <inheritdoc/>
-double Calculator::GetCostFromDuration(Configuration* cfg, uint8_t payment_option, const char* start_datetime, double durationMin, bool nextDay, bool prepaid)
+///
+
+uint32_t Calculator::GetCostFromDuration(Configuration *cfg,
+                                         QDateTime const &start,
+                                         quint64 timeStepInMinutes) const {
+    // for instance, a tariff as used in Schoenau, Koenigssee: only steps, no
+    // special days, nonstop.
+    if (cfg->YearPeriod.size() == 0
+     && cfg->SpecialDays.size() == 0
+     && cfg->SpecialDaysWorktime.size() == 0) {
+        QDateTime const end = start.addSecs(timeStepInMinutes*60);
+        return GetCostFromDuration(cfg, start, end);
+    }
+    return 0;
+}
+
+uint32_t Calculator::GetCostFromDuration(Configuration * cfg,
+                                         QDateTime const &start,
+                                         QDateTime const &end) const {
+    if (cfg->YearPeriod.size() == 0
+     && cfg->SpecialDays.size() == 0
+     && cfg->SpecialDaysWorktime.size() == 0) {
+        int const timeStepInMinutes = start.secsTo(end) / 60;
+        return GetPriceForTimeStep(cfg, timeStepInMinutes);
+    }
+    return 0;
+}
+
+
+
+
+///////////////////////////////////////
+
+/// <inheritdoc/>
+double Calculator::GetCostFromDuration(Configuration* cfg, uint8_t payment_option, const QDateTime start_datetime, QDateTime & end_datetime,  double durationMin, bool nextDay, bool prepaid)
 {
-	// Get current date time from input
+    if (cfg->YearPeriod.size() == 0
-	struct tm current_datetime = Utilities::DateTimeToStructTm(start_datetime);
+        && cfg->SpecialDays.size() == 0
-	time_t current_datetime_t;
+        && cfg->SpecialDaysWorktime.size() == 0)
+    {
+        end_datetime = start_datetime.addSecs(durationMin*60);
+        return GetCostFromDuration(cfg, start_datetime, end_datetime);
+    }
+
+    // Get input date
+    QDateTime inputDate = start_datetime;
 
     // Get day of week
-	DayOfWeek weekdayId = DayOfWeek::UndefinedDay;
+    int weekdayId = 0;
-	weekdayId = Utilities::GetDayOfWeek(&current_datetime);
+    weekdayId = Utilities::ZellersAlgorithm(inputDate.date().day(),inputDate.date().month(),inputDate.date().year());
-	LOG_DEBUG("*** Input date is: ", start_datetime, " [weekday id = ", weekdayId, "]");
 
+    //Get min and max time defined in JSON
     double minMin = 0;
     minMin = cfg->PaymentOption.find(payment_option)->second.pop_min_time;
-	if (minMin < 0) minMin = 0;
 
     double maxMin = 0;
     maxMin = cfg->PaymentOption.find(payment_option)->second.pop_max_time;
-	if (maxMin <= 0) maxMin = 60;
 
+    if (minMin < 0) minMin = 0;
+    if (maxMin < 0) maxMin = 0;
     if (minMin >= maxMin)
     {
         LOG_ERROR("Error: min_min cannot be greater or equal to max_min");
         return 0.0f;
     }
-
     if (maxMin <= minMin)
     {
         LOG_ERROR("Error: max_min cannot be lower or equal than min_min");
         return 0.0f;
     }
 
+    // Check overtime
     if (!overtime)
     {
         if (durationMin > maxMin)
         {
             LOG_WARNING("Total duration is greater or equal to max_min");
-			return 0.0f;
+            return maxMin;
         }
 
         if (durationMin < minMin)
@@ -322,101 +439,78 @@ double Calculator::GetCostFromDuration(Configuration* cfg, uint8_t payment_optio
         }
     }
 
+    // Get payment method
     uint8_t p_method = PaymentMethod::Undefined;
     p_method = payment_option;
     LOG_DEBUG("Payment method id: ", (unsigned)p_method);
 
+    // Check special day
     double day_price = 0.0f;
     int current_special_day_id = -1;
-	bool is_special_day = Utilities::CheckSpecialDay(cfg, start_datetime, &current_special_day_id, &day_price);
+    bool is_special_day = Utilities::CheckSpecialDay(cfg, inputDate.toString(Qt::ISODate).toStdString().c_str(), &current_special_day_id, &day_price);
     LOG_DEBUG("Special day: ", is_special_day);
 
     total_duration_min = durationMin;
     LOG_DEBUG("Total min:", total_duration_min);
 
     double price_per_unit = 0.0f;
-
+    QTime worktime_from;
-	string worktime_from = "";
+    QTime worktime_to;
-	string worktime_to = "";
 
     if(is_special_day)
     {
         // Set special day price
         price_per_unit = Utilities::CalculatePricePerUnit(day_price);
-		worktime_from = cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_from;
+        worktime_from = QTime::fromString(cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_from.c_str());
-		worktime_to = cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_to;
+        worktime_to = QTime::fromString(cfg->SpecialDaysWorktime.find(current_special_day_id)->second.pedwt_time_to.c_str());
     }
     else
     {
         // Set new price for the normal day
-		day_price = cfg->PaymentRate.find(payment_option)->second.pra_price;
+
-		price_per_unit = Utilities::CalculatePricePerUnit(day_price);
+        int pop_id = cfg->PaymentOption.find(payment_option)->second.pop_id;
+        day_price = cfg->PaymentRate.find(pop_id)->second.pra_price;
+
+        int durationId = cfg->PaymentRate.find(pop_id)->second.pra_payment_unit_id;
+        double durationUnit = cfg->Duration.find(durationId)->second.pun_duration;
+        price_per_unit = Utilities::CalculatePricePerUnit(day_price,durationUnit);
 
         // If no working day found, skip it (recursively call method again)
         size_t found = 0;
         found = cfg->WeekDaysWorktime.count(weekdayId);
 
+        // When no workday found, go to next available day
         if(found <=0)
         {
             LOG_DEBUG("- No workday found, trying to find next available day");
-			current_datetime_t = mktime(&current_datetime);
+            inputDate = inputDate.addDays(1);
-			current_datetime_t += 86400;
+            return floor(GetCostFromDuration(cfg, payment_option, inputDate, end_datetime, durationMin, true, prepaid));
-			current_datetime = *localtime(&current_datetime_t);
-
-			char buffer_datetime[80];
-			strftime(buffer_datetime, 80, "%Y-%m-%dT%H:%M:%S", &current_datetime);
-
-			//Make new datetime string and call function again recursively
-			start_datetime = buffer_datetime;
-            return floor(GetCostFromDuration(cfg, payment_option, start_datetime, durationMin, true, prepaid));
         }
-
+        worktime_from = QTime::fromString(cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_from.c_str());
-		worktime_from = cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_from;
+        worktime_to = QTime::fromString(cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_to.c_str());
-		worktime_to = cfg->WeekDaysWorktime.find(weekdayId)->second.pwd_time_to;
     }
 
     if (price_per_unit < 0) price_per_unit = 1.0f;
     LOG_DEBUG("Calculated price per minute: ", price_per_unit);
 
-	LOG_DEBUG("Worktime from: ", worktime_from);
+    if (price_per_unit == 0)
-	LOG_DEBUG("Worktime to: ", worktime_to);
+    {
-
+        inputDate = inputDate.addDays(1);
-	struct tm from_tm;
+        inputDate.setTime(worktime_from);
-	struct tm to_tm;
+        return GetCostFromDuration(cfg, payment_option, inputDate, end_datetime, durationMin, true, prepaid);
-
+    }
-	from_tm = Utilities::TimeToStructTm(worktime_from.c_str(), current_datetime.tm_year, current_datetime.tm_mon, current_datetime.tm_mday, current_datetime.tm_wday);
-	from_tm.tm_year = current_datetime.tm_year;
-	from_tm.tm_mon = current_datetime.tm_mon;
-	from_tm.tm_wday = current_datetime.tm_wday;
-	from_tm.tm_mday = current_datetime.tm_mday;
-
-	to_tm = Utilities::TimeToStructTm(worktime_to.c_str(), current_datetime.tm_year, current_datetime.tm_mon, current_datetime.tm_mday, current_datetime.tm_wday);
-	to_tm.tm_year = current_datetime.tm_year;
-	to_tm.tm_mon = current_datetime.tm_mon;
-	to_tm.tm_wday = current_datetime.tm_wday;
-	to_tm.tm_mday = current_datetime.tm_mday;
-
-	// Convert tm structures to time_t
-	current_datetime_t = mktime(&current_datetime);
-
-	time_t from_datetime_t = mktime(&from_tm);
-	time_t to_datetime_t = mktime(&to_tm);
 
     // If overtime flag is set
     if (overtime || nextDay)
     {
-		current_datetime.tm_hour = from_tm.tm_hour;
+        inputDate.setTime(worktime_from);
-		current_datetime.tm_min = from_tm.tm_min;
-		current_datetime.tm_sec = from_tm.tm_sec;
-		current_datetime_t = mktime(&current_datetime);
-		LOG_DEBUG(" *** New input date set according to worktime: ", asctime(&current_datetime));
         overtime = false;
     }
 
-	// Validate ticket
+    // Check prepaid
     if (!prepaid)
     {
-		if ((current_datetime_t < from_datetime_t) || (current_datetime_t > to_datetime_t))
+        if ((inputDate.time() < worktime_from) || (inputDate.time() > worktime_to))
         {
             LOG_DEBUG("[STOP] * Ticket is not valid * ");
             return 0.0f;
@@ -425,89 +519,144 @@ double Calculator::GetCostFromDuration(Configuration* cfg, uint8_t payment_optio
     else
     {
         LOG_DEBUG("* PREPAID MODE ACTIVE *");
-
+        if (inputDate.time() < worktime_from)
-		if (current_datetime_t < from_datetime_t)
         {
-			current_datetime.tm_hour = from_tm.tm_hour;
+            inputDate.setTime(worktime_from);
-			current_datetime.tm_min = from_tm.tm_min;
-			current_datetime.tm_sec = from_tm.tm_sec;
-			current_datetime_t = mktime(&current_datetime);
-			LOG_DEBUG(" *** PREPAID *** Current time is before the time range start, adjusting time to: ", asctime(&current_datetime));
         }
-		else if (current_datetime_t > to_datetime_t)
+        else if(inputDate.time() > worktime_to)
         {
             LOG_DEBUG(" *** PREPAID *** Current time is past the time range end, searching for next available day");
-			current_datetime_t = mktime(&current_datetime);
+            inputDate = inputDate.addDays(1);
-			current_datetime_t += 86400;
+            return GetCostFromDuration(cfg, payment_option, inputDate, end_datetime, durationMin, true, prepaid);
-			current_datetime = *localtime(&current_datetime_t);
-
-			char buffer_datetime[80];
-			strftime(buffer_datetime, 80, "%Y-%m-%dT%H:%M:%S", &current_datetime);
-
-			//Make new datetime string and call function again recursively
-			start_datetime = buffer_datetime;
-			return floor(GetCostFromDuration(cfg, payment_option, start_datetime, durationMin, true, prepaid));
         }
     }
 
     while(true)
     {
-		if (!Utilities::IsYearPeriodActive(cfg, &current_datetime))
+        if(total_duration_min <= 0) break;
+
+        // Check year period
+        bool isYearPeriodActive = false;
+
+        //// Parse input date
+        int dayCurrent = inputDate.date().day();
+        int monthCurrent = inputDate.date().month();
+
+        // Current date time
+        int cdt = (monthCurrent * 100) + dayCurrent;
+
+        multimap<int, ATBPeriodYear>::iterator year_period_itr;
+        for (year_period_itr = cfg->YearPeriod.begin(); year_period_itr != cfg->YearPeriod.end(); ++year_period_itr)
+        {
+            int dStart = year_period_itr->second.pye_start_day;
+            int dEnd = year_period_itr->second.pye_end_day;
+
+            int mStart = year_period_itr->second.pye_start_month;
+            int mEnd = year_period_itr->second.pye_end_month;
+
+            int start = (mStart * 100) + dStart;
+            int end = (mEnd * 100) + dEnd;
+
+            if (cdt >= start && cdt <= end) {
+                isYearPeriodActive = true;
+                break;
+            }
+        }
+        if (!isYearPeriodActive)
         {
             LOG_DEBUG("Year period is not valid");
             return 0.0f;
         }
 
-		// Decrement by 1 minute
-		current_datetime_t = mktime(&current_datetime);
-		current_datetime_t += 60;
-		current_datetime = *localtime(&current_datetime_t);
-
-		total_duration_min -= 1.0f;
-		total_cost += price_per_unit;
-
-		// If no minutes left (e.g. spent all of the money before reaching end of worktime)
-		if (total_duration_min <= 0)
-		{
-			//total_duration_min -= 1.0f;
-			LOG_DEBUG("No minutes left ");
-			break;
-		}
-		else
-		{
-			// If minutes has left but the end of worktime has been reached (go to next day)
-			if (current_datetime_t >= to_datetime_t)
-			{
         int carry_over_status = 0;
         carry_over_status = cfg->PaymentOption.find(payment_option)->second.pop_carry_over;
-				total_duration_min += 1.0f;
-				total_cost -= price_per_unit;
 
-				LOG_DEBUG("Carry over status: ", carry_over_status);
+        // Go to next day if minutes not spent
+        if(inputDate.time() >= worktime_to)
+        {
             if (carry_over_status < 1) break;
 
-				LOG_DEBUG("Reached end of worktime");
+            LOG_DEBUG("Reached end of worktime, searching for the next working day");
-				LOG_DEBUG("Trying to find next available day, min left = ", total_duration_min);
+            inputDate = inputDate.addDays(1);
-				current_datetime_t = mktime(&current_datetime);
-				current_datetime_t += 86400;
-				current_datetime = *localtime(&current_datetime_t);
-
-				char buffer_datetime[80];
-				strftime(buffer_datetime, 80, "%Y-%m-%dT%H:%M:%S", &current_datetime);
-
-				// Make new datetime string and call function again recursively
-				start_datetime = buffer_datetime;
             overtime = true;
-				return floor(GetCostFromDuration(cfg, payment_option, start_datetime, total_duration_min));
+            return GetCostFromDuration(cfg, payment_option, inputDate, end_datetime, total_duration_min);
-			}
-		}
         }
 
-	time_t valid_until_datetime_t = current_datetime_t;
+        // Increment input date minutes for each monetary unit
-	struct tm valid_until_datetime = *localtime(&valid_until_datetime_t);
+        inputDate = inputDate.addSecs(60);
-	LOG_DEBUG("Ticket is valid until ", asctime(&valid_until_datetime));
+        total_duration_min -=1;
+        total_cost += price_per_unit;
+
+    }
+    qDebug() << "GetCostFromDuration(): Valid until:" << inputDate.toString(Qt::ISODate).toStdString().c_str();
+
+    end_datetime = inputDate;
 
     double ret_val = total_cost;
     total_cost = 0.0f;
-	return floor(ret_val);
+    return ceil(ret_val);
+}
+
+
+
+QList<int> Calculator::GetTimeSteps(Configuration *cfg) const {
+    QList<int> timeSteps;
+
+    int const pop_id = cfg->getPaymentOptions().pop_id;
+
+    for (auto[itr, rangeEnd] = cfg->PaymentRate.equal_range(pop_id); itr != rangeEnd; ++itr)
+    {
+        int const durationId = itr->second.pra_payment_unit_id;
+        int const durationUnit = cfg->Duration.find(durationId)->second.pun_duration;
+        timeSteps << durationUnit;
+    }
+
+    return timeSteps;
+}
+
+uint32_t Calculator::GetPriceForTimeStep(Configuration *cfg, int timeStep) const {
+
+    int const pop_id = cfg->getPaymentOptions().pop_id;
+
+    for (auto[itr, rangeEnd] = cfg->PaymentRate.equal_range(pop_id); itr != rangeEnd; ++itr)
+    {
+        int const payment_unit_id = itr->second.pra_payment_unit_id;
+        int const pun_id = cfg->Duration.find(payment_unit_id)->second.pun_id;
+
+        Q_ASSERT(pun_id == payment_unit_id);
+
+        int const pun_duration = cfg->Duration.find(payment_unit_id)->second.pun_duration;
+        if (timeStep == pun_duration) {
+            return (uint32_t)(itr->second.pra_price);
+        }
+    }
+
+    return 0;
+}
+
+/**
+ * private: read price directly from config file (used with PaymentMethod::Steps)
+ *
+ * return duration in minutes for greatest pra_price < price
+ */
+
+uint32_t Calculator::GetDurationForPrice(Configuration *cfg, int price) const {
+    int const pop_id = cfg->getPaymentOptions().pop_id; 
+    uint32_t duration = 0;
+
+    for (auto[itr, rangeEnd] = cfg->PaymentRate.equal_range(pop_id); itr != rangeEnd; ++itr)
+    {
+        int const durationId = itr->second.pra_payment_unit_id;
+        int const pra_price = itr->second.pra_price;
+        uint32_t const durationUnit = cfg->Duration.find(durationId)->second.pun_duration;
+
+        if (price == pra_price) {
+            return durationUnit;
+        }
+        if (pra_price < price) {
+            duration = durationUnit;
+        }
+    }
+
+    return duration;
 }

library/src/configuration.cpp

@@ -59,8 +59,9 @@ bool Configuration::ParseJson(Configuration* cfg, const char* json)
 			|| !document.HasMember("PaymentRate")
 			|| !document.HasMember("Duration")
 			//|| !document.HasMember("WeekDays")
-			|| !document.HasMember("SpecialDaysWorktime")
+            //|| !document.HasMember("SpecialDaysWorktime")
-			|| !document.HasMember("SpecialDays"))
+            //|| !document.HasMember("SpecialDays")
+            )
 		{
 			printf("%s", "Error: not a valid configuration JSON\n");
 			return false;
@@ -87,13 +88,26 @@ bool Configuration::ParseJson(Configuration* cfg, const char* json)
 			const char* mb_name = i->name.GetString();
             if (mb_name == NULL) continue;
 
-            // if (!document[mb_name].IsArray()) {
+            if (document[mb_name].IsString()) {
-                std::string const _mb_name(mb_name);
+                QString const _mb_name(mb_name);
-                if (_mb_name == "version" || _mb_name == "project" ||
+                if (_mb_name.startsWith("Project", Qt::CaseInsensitive)) {
-                    _mb_name == "zone" || _mb_name == "info") {
+                    cfg->project.project = document[mb_name].GetString();
+                    continue;
+                 }
+                if (_mb_name.startsWith("Version", Qt::CaseInsensitive)) {
+                    cfg->project.version = document[mb_name].GetString();
+                    continue;
+                }
+                if (_mb_name.startsWith("Info", Qt::CaseInsensitive)) {
+                    cfg->project.info = document[mb_name].GetString();
+                    continue;
+                }
+            }
+
+            // ... everything else should be an array
+            if (!document[mb_name].IsArray()) {
                 continue;
             }
-            // }
 
 			//printf(" -%s\n", mb_name);
 
@@ -154,6 +168,8 @@ bool Configuration::ParseJson(Configuration* cfg, const char* json)
 						else if (strcmp(inner_obj_name, "pop_max_time") == 0) PaymentOption.pop_max_time = k->value.GetDouble();
 						else if (strcmp(inner_obj_name, "pop_min_price") == 0) PaymentOption.pop_min_price = k->value.GetDouble();
 						else if (strcmp(inner_obj_name, "pop_carry_over") == 0) PaymentOption.pop_carry_over = k->value.GetInt();
+                        else if (strcmp(inner_obj_name, "pop_daily_card_price") == 0) PaymentOption.pop_daily_card_price = k->value.GetInt();
+                        this->currentPaymentOptions = PaymentOption;
                         break;
 					case MemberType::DurationType:
 						if (strcmp(inner_obj_name, "pun_id") == 0) Duration.pun_id = k->value.GetInt();
@@ -209,7 +225,7 @@ bool Configuration::ParseJson(Configuration* cfg, const char* json)
 					cfg->PaymentMethod.insert(pair<int, ATBPaymentMethod>(PaymentMethod.pme_id, PaymentMethod));
 					break;
 				case MemberType::PaymentRateType:
-					cfg->PaymentRate.insert(pair<int, ATBPaymentRate>(PaymentRate.pra_payment_unit_id, PaymentRate));
+                    cfg->PaymentRate.insert(pair<int, ATBPaymentRate>(PaymentRate.pra_payment_option_id, PaymentRate));
 					break;
 				case MemberType::PaymentOptionType:
 					cfg->PaymentOption.insert(pair<int, ATBPaymentOption>(PaymentOption.pop_payment_method_id, PaymentOption));
@@ -244,3 +260,10 @@ bool Configuration::ParseJson(Configuration* cfg, const char* json)
 		return false;
 	}
 }
+
+
+
+const ATBPaymentOption & Configuration::getPaymentOptions()
+{
+    return this->currentPaymentOptions;
+}

library/src/utilities.cpp

@@ -8,12 +8,15 @@ static int protection_counter = 0;
 /// </summary>
 /// <param name="pra_price"></param>
 /// <returns></returns>
-double Utilities::CalculatePricePerUnit(double pra_price)
+double Utilities::CalculatePricePerUnit(double pra_price, double durationUnit)
 {
 	try
 	{
 		double price_per_unit = pra_price;
-		price_per_unit /= 60.0f; // Divided by 60 because price per unit is set per hour and we are using minutes
+        double unit = durationUnit;
+
+        if(unit < 0 || unit > 65535 ) unit = 60.0f;
+        price_per_unit /= unit; // Divided by 60 because price per unit is set per hour and we are using minutes
 		//printf("Price per unit (min) is: %lf\n", price_per_unit);
 		return price_per_unit;
 	}
@@ -33,7 +36,7 @@ time_t Utilities::GetCurrentLocalTime()
 		memset(&tm_curr_time, '\0', sizeof(struct tm));
 
 		tm_curr_time = *localtime(&curr_time);
-		curr_time = mktime(&tm_curr_time) - timezone;
+        curr_time = mktime(&tm_curr_time); //- timezone;
 		return curr_time;
 	}
 	catch (...)

main/main.cpp

@@ -1,10 +1,9 @@
-#include <calculate_price.h>
-
-
 #ifdef WIN32
 #include <time.h>
 #include <iomanip>
 #include <sstream>
+#include <calculate_price.h>
+
 
 extern "C" char* strptime(const char* s,
                           const char* f,
@@ -27,87 +26,135 @@ extern "C" char* strptime(const char* s,
 
 #include <QDebug>
 #include <QDateTime>
+#include <QDir>
+
+#include <fstream>
+#include <sstream>
+#include "calculator_functions.h"
+#include <calculate_price.h>
+
 
 int main() {
 
+    std::ifstream input(QDir::homePath().append("/tariff01.json").toStdString());
+    std::stringstream sstr;
+    while(input >> sstr.rdbuf());
+    std::string json(sstr.str());
+
+    Calculator calculator;
+    Configuration cfg;
+
+    bool isParsed = cfg.ParseJson(&cfg, json.c_str());
+    cout << endl;
+
+    char const *startDate = "";
+
+    if (isParsed)
+    {
+        startDate = "2023-05-10T13:52:18.665Z";
+        std::string duration = calculator.GetDurationFromCost(&cfg, 3, (char *)startDate, 33, false, true);
+        cout << "---> startDate " << startDate << " _price_ = " << 33
+             << " Total duration is: " << duration << endl;
+    }
+
+    return 0;
+
+
+
+
+
+
+
     parking_tariff_t *tariff = 0;
     if (init_tariff(&tariff, "/etc/psa_tariff/")) {      
         struct price_t price;
         memset(&price, 0x00, sizeof(price));
-        QDateTime start = QDateTime::currentDateTime();
+        QDateTime start = QDateTime::fromString("2023-05-11T07:50:00",Qt::ISODate); //QDateTime::currentDateTime();
         time_t start_parking_time = start.toSecsSinceEpoch() / 60;
-        time_t end_parking_time = start_parking_time + 60;
+        time_t end_parking_time = start_parking_time + 615;
 
         if (compute_price_for_parking_ticket(tariff,
                                              start_parking_time,
                                              end_parking_time,
-                                             &price)) {
+                                             &price))
-            qDebug() << "price=" << price.netto;
+        {
+            qDebug() << "GetCostFromDuration() => price=" << price.netto;
         }
 
-        // tests
+        QString duration;
-        struct tm now;
+        if(compute_duration_for_parking_ticket(tariff,start_parking_time,3090,duration))
-        memset(&now, 0, sizeof(now));
+        {
-
+            qDebug() << "GetDurationFromCost() => duration=" << duration;
-        // 3.Jan 2023 -> Tuesday
-        strptime("2023-01-03T14:00:00", "%Y-%m-%dT%H:%M:%S", &now);
-        for (int i = 0; i < 600; ++i) {
-            start_parking_time = mktime(&now);
-            end_parking_time = start_parking_time + 240; // duration == 240
-
-            if (compute_price_for_parking_ticket(tariff,
-                                                 start_parking_time,
-                                                 end_parking_time,
-                                                 &price)) {
-                int const zone = get_zone_nr();
-                switch (zone) {
-                case 1:
-                    assert(price.netto == 879);    // expected value: 880
-                    break;
-                case 2:
-                    /* fall through */
-                case 3:
-                    assert(price.netto == 1920);
-                    break;
-                }
-            }
-            time_t t = start_parking_time + 60;
-            now = *localtime(&t);
-        }
-        //
-        // test May 1st 2023
-        //
-        memset(&now, 0, sizeof(now));
-        strptime("2023-04-30T06:00:00", "%Y-%m-%dT%H:%M:%S", &now);
-        now.tm_hour -= 1; // for ctime
-        for (int i=0; i<6*24; ++i) {
-            int const duration = 120;
-            time_t t = mktime(&now);
-            start_parking_time = t / 60;
-            end_parking_time = start_parking_time + duration;
-
-            if (compute_price_for_parking_ticket(tariff,
-                                                 start_parking_time,
-                                                 end_parking_time,
-                                                 &price)) {
-                int const zone = get_zone_nr();
-                switch (zone) {
-                case 1:
-                    qDebug() << i << zone << ctime(&t) << price.netto << " FT";
-                    assert(price.netto == 440);
-                    break;
-                case 2:
-                    /* fall through */
-                case 3:
-                    qDebug() << i << zone << ctime(&t) << price.netto << " FT";
-                    assert(price.netto == 960);
-                    break;
-                }
         }
 
-            t = (start_parking_time + 60)*60;
+        // Daily ticket
-            now = *localtime(&t);
+        //compute_duration_for_daily_ticket(tariff,start.toString(Qt::ISODate),3);
-        }
+
+        //Configuration* cfg, QString start_datetime, uint8_t payment_option, bool carry_over
+        //        // tests
+        //        struct tm now;
+        //        memset(&now, 0, sizeof(now));
+
+        //        // 3.Jan 2023 -> Tuesday
+        //        strptime("2023-01-03T14:00:00", "%Y-%m-%dT%H:%M:%S", &now);
+        //        for (int i = 0; i < 600; ++i) {
+        //            start_parking_time = mktime(&now);
+        //            end_parking_time = start_parking_time + 240; // duration == 240
+
+        //            if (compute_price_for_parking_ticket(tariff,
+        //                                                 start_parking_time,
+        //                                                 end_parking_time,
+        //                                                 &price)) {
+        //                int const zone = get_zone_nr(1);
+        //                switch (zone) {
+        //                case 1:
+        //                    assert(price.netto == 879);    // expected value: 880
+        //                    break;
+        //                case 2:
+        //                    /* fall through */
+        //                case 3:
+        //                    assert(price.netto == 1920);
+        //                    break;
+        //                }
+        //            }
+        //            time_t t = start_parking_time + 60;
+        //            now = *localtime(&t);
+        //        }
+        //        //
+        //        // test May 1st 2023
+        //        //
+        //        memset(&now, 0, sizeof(now));
+        //        strptime("2023-04-30T06:00:00", "%Y-%m-%dT%H:%M:%S", &now);
+        //        now.tm_hour -= 1; // for ctime
+        //        // for (int i=0; i<6*24; ++i) {
+        //        for (int i=0; i<1; ++i) {
+        //            int const duration = 120;
+        //            time_t t = mktime(&now);
+        //            start_parking_time = t / 60;
+        //            end_parking_time = start_parking_time + duration;
+
+        //            if (compute_price_for_parking_ticket(tariff,
+        //                                                 start_parking_time,
+        //                                                 end_parking_time,
+        //                                                 &price)) {
+        //                int const zone = get_zone_nr();
+        //                switch (zone) {
+        //                case 1:
+        //                    qDebug() << i << zone << ctime(&t) << price.netto << " FT";
+        //                    assert(price.netto == 440);
+        //                    break;
+        //                case 2:
+        //                    /* fall through */
+        //                case 3:
+        //                    qDebug() << i << zone << ctime(&t) << price.netto << " FT";
+        //                    assert(price.netto == 960);
+        //                    break;
+        //                }
+        //            }
+
+        //            t = (start_parking_time + 60)*60;
+        //            now = *localtime(&t);
+        //        }
 
         free_tariff(tariff);
     }

main/main.pro

@@ -7,6 +7,8 @@ QMAKE_CFLAGS = -c -pipe -std=c11 -g -O0 -Wall -Wno-attributes -W -DDEBUG -D_REEN
 QMAKE_CXX_FLAGS += -std=c11
 
 INCLUDEPATH += $$_PRO_FILE_PWD_/../../MOBILISIS-Calculator/library/include/mobilisis/
+INCLUDEPATH += $$_PRO_FILE_PWD_/../../MOBILISIS-Calculator/library/include/rapidjson/
+INCLUDEPATH += $$_PRO_FILE_PWD_/../../MOBILISIS-Calculator/library/include/
 INCLUDEPATH += .
 
 unix {