Add test code for printing date-strings

Ticket helper methods e.g. string format helpers.
Currently only on method for getting a date string in short format
according to selected language.

DCPlugin.pro

@@ -88,7 +88,8 @@ HEADERS += \
     src/ATBAPP/support/JSON.h \
     src/ATBAPP/support/PTUSystem.h \
     src/ATBAPP/support/PersistentData.h \
-    src/ATBAPP/support/Ticket.h
+    src/ATBAPP/support/Ticket.h \
+    src/ATBAPP/support/TicketUtils.h
 
 SOURCES += \
     src/ATBAPP/ATBHealthEvent.cpp \
@@ -101,7 +102,8 @@ SOURCES += \
     src/ATBAPP/support/JSON.cpp \
     src/ATBAPP/support/PTUSystem.cpp \
     src/ATBAPP/support/PersistentData.cpp \
-    src/ATBAPP/support/Ticket.cpp
+    src/ATBAPP/support/Ticket.cpp \
+    src/ATBAPP/support/TicketUtils.cpp
 
 DISTFILES += \
     generate-version.sh

src/ATBAPP/ATBDeviceControllerPlugin.cpp

@@ -6,6 +6,7 @@
 #include "src/ATBAPP/support/DBusControllerInterface.h"
 #include "src/ATBAPP/support/PTUSystem.h"
 #include "src/ATBAPP/support/CashUtils.h"
+#include "src/ATBAPP/support/TicketUtils.h"
 
 #include <QTimer>
 #include <QThread>
@@ -732,8 +733,22 @@ void ATBDeviceControllerPlugin::requestPrintTicket(const QHash<QString, QVariant
     QDateTime parkingEndDateTime = QDateTime::fromString(printingData["parkingEnd"].toString(),      Qt::ISODate);
     QDateTime currentDateTime    = QDateTime::fromString(printingData["currentDateTime"].toString(), Qt::ISODate);
 
-    QString parkingEndDateString = this->printerLocale.toString(parkingEndDateTime.date(), QLocale::ShortFormat);
+    QString parkingEndDateString = TicketUtils::getLocaleDateString(this->printerLocale, parkingEndDateTime.date());
-    QString currentDateString    = this->printerLocale.toString(currentDateTime.date(),    QLocale::ShortFormat);
+    QString currentDateString    = TicketUtils::getLocaleDateString(this->printerLocale, currentDateTime.date());
+
+    /*******************************************************************************************
+     *  TEST date formate strings:
+    QLocale ltLocale("lt_LT");
+    QLocale deLocale("de_DE");
+
+    QString ltShortDate = ltLocale.toString(currentDateTime.date(), QLocale::ShortFormat);
+    QString deShortDate = deLocale.toString(currentDateTime.date(), QLocale::ShortFormat);
+
+    qCritical() << "*********************************************************************";
+    qCritical() << "   ltShortDate = " << ltShortDate;
+    qCritical() << "   deShortDate = " << deShortDate;
+    qCritical() << "*********************************************************************";
+     */
 
     /* -----------------------------------------------------------------------------------------
      * note: the following highly depends on printer template files!
@@ -1057,9 +1072,8 @@ void ATBDeviceControllerPlugin::private_setupDynTemplateData_START_RECEIPT(struc
     QDateTime parkingEndDateTime = QDateTime::fromString(ticket->getPrintingData()["parkingEnd"].toString(),  Qt::ISODate);
     QDateTime currentDateTime    = QDateTime::fromString(ticket->getPrintingData()["currentDateTime"].toString(), Qt::ISODate);
 
-    QString parkingEndDateString = this->printerLocale.toString(parkingEndDateTime.date(), QLocale::ShortFormat);
+    QString parkingEndDateString = TicketUtils::getLocaleDateString(this->printerLocale, parkingEndDateTime.date());
-    QString currentDateString    = this->printerLocale.toString(currentDateTime.date(),    QLocale::ShortFormat);
+    QString currentDateString    = TicketUtils::getLocaleDateString(this->printerLocale, currentDateTime.date());
-
 
     // set dynamic printer data:
     QByteArray ba_licenseplate = codec->fromUnicode(ticket->getPrintingData()["licenseplate"].toString());
@@ -1184,7 +1198,7 @@ void ATBDeviceControllerPlugin::private_setupDynTemplatData_FREE_TICKET(struct T
     QByteArray ba_parkingEndTime = codec->fromUnicode(parkingEndDateTime.toString("hh:mm"));
     memcpy((char*)dynTicketData->parkingEnd,  ba_parkingEndTime.data(), std::min(ba_parkingEndTime.size(),8));
 
-    QString parkingEndDateString = this->printerLocale.toString(parkingEndDateTime.date(), QLocale::ShortFormat);
+    QString parkingEndDateString = TicketUtils::getLocaleDateString(this->printerLocale, parkingEndDateTime.date());
 
     QByteArray ba_parkingEndDate = codec->fromUnicode(parkingEndDateString);
     memcpy((char*)dynTicketData->currentTime,  ba_parkingEndDate.data(), std::min(ba_parkingEndDate.size(),8));

src/ATBAPP/support/TicketUtils.cpp

@@ -0,0 +1,26 @@
+#include "TicketUtils.h"
+
+#include <QLocale>
+#include <QDate>
+
+TicketUtils::TicketUtils(QObject *parent) : QObject(parent)
+{
+
+}
+
+
+QString TicketUtils::getLocaleDateString(const QLocale & qLocale, const QDate & qDate)
+{
+    QString dateString;
+
+    if (qLocale.language() == QLocale::Lithuanian) {
+        // QLocale::ShortFormat produces date string: "yyyy-mm-dd" ...
+        // this is to long for the printer.
+        dateString = qDate.toString("yy-MM-dd");
+    }
+    else {
+        dateString = qLocale.toString(qDate, QLocale::ShortFormat);
+    }
+
+    return dateString;
+}

src/ATBAPP/support/TicketUtils.h

@@ -0,0 +1,34 @@
+#ifndef TICKETUTILS_H
+#define TICKETUTILS_H
+
+#include <QObject>
+
+class TicketUtils : public QObject
+{
+    Q_OBJECT
+public:
+    explicit TicketUtils(QObject *parent = nullptr);
+
+    /**
+     * @brief getLocaleDateString
+     * @param qLocale
+     * @param qDate
+     * @return a localized date string short format
+     *
+     * Note QLocale::ShortFormat does not result to the
+     * string we need for ticket printing therefore this
+     * helper method was created.
+     *
+     * e.g. using Lithuanian (lt_LT) we get a date in short format:
+     *      "2024-08-08" unfortunately this is to long, we need
+     * the year with only two digits.
+     * e.g. in German (de_DE) it is enought: "08.08.24"
+     *
+     */
+    static QString getLocaleDateString(const QLocale &qLocale, const QDate &qDate);
+
+signals:
+
+};
+
+#endif // TICKETUTILS_H