Decode and use the issuing time from ERA FCB tickets

src/lib/era/fcbticket.cpp

@@ -122,6 +122,16 @@ void Fcb::IssuingData::decode(UPERDecoder &decoder)
     FCB_READ_CUSTOM(pointOfSale);
 }
 
+QDateTime Fcb::IssuingData::issueingDateTime() const
+{
+    QDate date(issuingYear, 1, 1);
+    date = date.addDays(issuingDay - 1);
+    if (issuingTimeIsSet()) {
+        return QDateTime(date, QTime(0,0).addSecs(issuingTime * 60), Qt::UTC);
+    }
+    return QDateTime(date, {});
+}
+
 void Fcb::CustomerStatusType::decode(UPERDecoder &decoder)
 {
     decodeSequence(decoder);

src/lib/era/fcbticket.h

@@ -10,6 +10,7 @@
 
 #include "asn1/uperelement.h"
 
+#include <QDateTime>
 #include <QList>
 #include <QVariant>
 
@@ -101,6 +102,10 @@ class IssuingData {
     UPER_ELEMENT_OPTIONAL(int, issuedOnLine)
     UPER_ELEMENT_OPTIONAL(KItinerary::Fcb::GeoCoordinateType, pointOfSale)
     UPER_GADGET_FINALIZE
+
+    Q_PROPERTY(QDateTime issueingDateTime READ issueingDateTime)
+public:
+    QDateTime issueingDateTime() const;
 };
 
 enum GenderType {

src/lib/processors/uic9183documentprocessor.cpp

@@ -10,6 +10,7 @@
 #include <KItinerary/JsonLdDocument>
 #include <KItinerary/Uic9183Parser>
 #include <KItinerary/Rct2Ticket>
+#include <era/fcbticket.h>
 #include <uic9183/uic9183head.h>
 #include <uic9183/vendor0080block.h>
 
@@ -50,8 +51,11 @@ void Uic9183DocumentProcessor::expandNode(ExtractorDocumentNode &node, [[maybe_u
     // while that is usually correct it cannot contain a time zone, unlike the (often) enclosing PDF document´
     if (!node.contextDateTime().isValid()) {
         const auto p = node.content<Uic9183Parser>();
-        const auto u_head = p.findBlock<Uic9183Head>();
-        node.setContextDateTime(u_head.issuingDateTime());
+        if (const auto u_flex = p.findBlock<Fcb::UicRailTicketData>(); u_flex.isValid()) {
+            node.setContextDateTime(u_flex.issuingDetail.issueingDateTime());
+        } else if (const auto u_head = p.findBlock<Uic9183Head>(); u_head.isValid()) {
+            node.setContextDateTime(u_head.issuingDateTime());
+        }
     }
 }