CalcState: add toString() method

assumption is prepaid.

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) {

library/src/calculate_price.cpp

@@ -91,6 +91,9 @@ int CALCULATE_LIBRARY_API compute_product_price(Configuration const *cfg, PERMIT
             QVector<ATBTariffProduct> product = products.value();
             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) {
@@ -103,6 +106,7 @@ int CALCULATE_LIBRARY_API compute_product_price(Configuration const *cfg, PERMIT
                                 << p.m_tariff_product_start.toString(Qt::ISODate)
                                 << p.m_tariff_product_end.toString(Qt::ISODate) << ")";
                 }
+#endif
             }
         }
     } break;