MOBILISIS-Calculator/library/include/mobilisis/calculate_price.h
Gerhard Hoffmann 01f2dc07ce Added INVALID_START_DATE.
Added compute_duration_for_parking_ticket().
2023-05-09 11:38:39 +02:00

124 lines
3.4 KiB
C++

#ifndef CALCULATE_PRICE_H
#define CALCULATE_PRICE_H
#include <time.h>
#include <inttypes.h>
#include <QString>
#ifdef WIN32
#ifdef CALCULATE_LIBRARY_EXPORTS
#define CALCULATE_LIBRARY_API __declspec(dllexport)
#else
#define CALCULATE_LIBRARY_API __declspec(dllimport)
#endif
#else
#define CALCULATE_LIBRARY_API
#endif
class Configuration;
typedef Configuration parking_tariff_t;
#ifdef __cplusplus
extern "C" {
#endif
struct CALCULATE_LIBRARY_API price_t {
uint32_t units;
double netto;
double brutto;
double vat_percentage;
double vat;
};
struct CALCULATE_LIBRARY_API CalcState {
enum class State : uint8_t {
SUCCESS,
ERROR_PARSING_ZONE_NR,
ERROR_LOADING_TARIFF,
ERROR_PARSING_TARIFF,
NEGATIVE_PARING_TIME,
INVALID_START_DATE,
WRONG_PARAM_VALUES,
ABOVE_MAX_PARKING_TIME,
BELOW_MIN_PARKING_TIME,
BELOW_MIN_PARKING_PRICE,
OVERPAID
};
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;
}
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();
CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
parking_tariff_t *tariff,
time_t start_parking_time,
time_t end_parking_time,
struct price_t *price);
CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(
parking_tariff_t *tariff,
time_t start_parking_time,
double cost,
QString &duration);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // CALCULATE_PRICE_H