GerhardHoffmann/MOBILISIS-Calculator
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init_tariff, compute_price_for_parking_ticket:

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return instance of CalcState as info for errors or success status.
This commit is contained in:
Gerhard Hoffmann 2023-05-08 12:34:01 +02:00
parent 1c03745333
commit c5960a031e
1 changed files with 61 additions and 40 deletions
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101
library/src/calculate_price.cpp
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@ -16,19 +16,18 @@ int CALCULATE_LIBRARY_API get_zone_nr() {
QFileInfo finfo(zone); QFileInfo finfo(zone);
if (finfo.size() <= 4) { // decimal 000\n if (finfo.size() <= 4) { // decimal 000\n
if (zone.open(QIODevice::ReadOnly | QIODevice::Text)) { if (zone.open(QIODevice::ReadOnly | QIODevice::Text)) {
QTextStream in(&zone); QTextStream in(&zone);
return in.readLine(100).toInt(); return in.readLine(100).toInt();
} }
} }
} }
return -1; 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(); *tariff = new Configuration();
CalcState calcState;
int const zone = get_zone_nr(); int const zone = get_zone_nr();
// DEBUG // DEBUG
@ -36,7 +35,7 @@ bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *co
qCritical() << " ... zone = " << zone; qCritical() << " ... zone = " << zone;
if (zone <= 0) { if (zone <= 0) {
return false; return calcState.set(CalcState::State::ERROR_PARSING_ZONE_NR);
} }
QString confFile(config_file); QString confFile(config_file);
@ -53,57 +52,79 @@ bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *co
qCritical() << " ... confFile = " << confFile; qCritical() << " ... confFile = " << confFile;
QFile fname(confFile); QFile fname(confFile);
if (fname.exists()) { if (fname.exists() &&
fname.open(QIODevice::ReadOnly | QIODevice::Text)) {
// DEBUG // DEBUG
qCritical() << " ... confFile exists"; qCritical() << " ... confFile is open";
if (fname.open(QIODevice::ReadOnly | QIODevice::Text)) { QString json = fname.readAll();
if (! (*tariff)->ParseJson(*tariff, json.toStdString().c_str())) {
// DEBUG calcState.m_status = CalcState::State::ERROR_PARSING_TARIFF;
qCritical() << " ... confFile is open";
QString json = fname.readAll();
return (*tariff)->ParseJson(*tariff, json.toStdString().c_str());
} }
} else {
calcState.m_status = CalcState::State::ERROR_LOADING_TARIFF;
} }
qCritical() << "init_tariff: Parsing tariff config (" << confFile << ") failed!"; qCritical() << "init_tariff: Parsing tariff config (" << confFile << ") failed!";
return false; return calcState;
} }
void CALCULATE_LIBRARY_API free_tariff(parking_tariff_t *tariff) { void CALCULATE_LIBRARY_API free_tariff(parking_tariff_t *tariff) {
delete tariff; delete tariff;
} }
bool CALCULATE_LIBRARY_API compute_price_for_parking_ticket( CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
parking_tariff_t *tariff, parking_tariff_t *tariff,
time_t start_parking_time, // in minutes time_t start_parking_time, // in minutes
time_t end_parking_time, // in minutes time_t end_parking_time, // in minutes
struct price_t *price) { struct price_t *price) {
CalcState calcState;
double minMin = tariff->PaymentOption.find(PaymentOption::Option1)->second.pop_min_time;
double maxMin = tariff->PaymentOption.find(PaymentOption::Option1)->second.pop_max_time;
if (minMin < 0 || maxMin < 0 || maxMin < minMin) {
calcState.setDesc(QString("minMin=%1, maxMin=%2").arg(minMin, maxMin));
return calcState.set(CalcState::State::WRONG_PARAM_VALUES);
}
int const duration = end_parking_time - start_parking_time; int const duration = end_parking_time - start_parking_time;
if (duration > 0) { if (duration < 0) {
QDate const d(1970, 1, 1); calcState.setDesc(QString("end=%1, start=%2")
QTime const t(0, 0, 0); .arg(end_parking_time, start_parking_time));
QDateTime start(d, t, Qt::UTC); return calcState.set(CalcState::State::NEGATIVE_PARING_TIME);
start = start.toLocalTime().addSecs(start_parking_time * 60); }
if (start.isValid()) { if (duration > maxMin) {
QString cs = start.toString(Qt::ISODate); calcState.setDesc(QString("duration=%1, maxMin=%2").arg(duration, maxMin));
double cost = calculator.GetCostFromDuration( return calcState.set(CalcState::State::ABOVE_MAX_PARKING_TIME);
tariff, PaymentOption::Option1, }
cs.toLocal8Bit().constData(), if (duration < minMin) {
duration, false, true); calcState.setDesc(QString("duration=%1, minMin=%2").arg(duration, minMin));
price->units = cost; return calcState.set(CalcState::State::BELOW_MIN_PARKING_TIME);
price->netto = cost; }
return true;
}
} else
if (duration == 0) { if (duration == 0) {
memset(price, 0x00, sizeof(*price)); memset(price, 0x00, sizeof(*price));
return true; return calcState.set(CalcState::State::SUCCESS);
} }
qCritical() << "ERROR start_parking_time (" << start_parking_time << ") <"
<< "end_parking_time (" << end_parking_time << ")"; QDate const d(1970, 1, 1);
return false; 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,
cs.toLocal8Bit().constData(),
duration, false, true);
double minCost = tariff->PaymentOption.find(PaymentOption::Option1)->second.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);
}
price->units = cost;
price->netto = cost;
}
return calcState.set(CalcState::State::SUCCESS);
} }