Ref T701, do NOT use FsInn data if model string iis unknown

* this can overrride "swift livery strings"
* FsInn only is useful with a known model string

src/blackcore/aircraftmatcher.cpp

@@ -697,9 +697,10 @@ namespace BlackCore
             return CAircraftModel();
         }
         CAircraftModel model = sApp->getWebDataServices()->getModelForModelString(modelString);
+        const bool isDBModel = model.hasValidDbKey();
         if (log)
         {
-            if (model.hasValidDbKey())
+            if (isDBModel)
             {
                 CMatchingUtils::addLogDetailsToList(log, callsign, QStringLiteral("Found model in DB for model string '%1'").arg(model.getModelStringAndDbKey()));
             }
@@ -708,6 +709,10 @@ namespace BlackCore
                 CMatchingUtils::addLogDetailsToList(log, callsign, QStringLiteral("Did not find model in DB for model string '%1'").arg(modelString));
             }
         }
+
+        if (!isDBModel) { return CAircraftModel(); } // not found
+
+        // found
         model.setCallsign(callsign);
         model.setModelType(CAircraftModel::TypeReverseLookup);
         return model;
@@ -931,6 +936,16 @@ namespace BlackCore
         return known;
     }
 
+    bool CAircraftMatcher::isKnownModelString(const QString &candidate, const CCallsign &callsign, CStatusMessageList *log)
+    {
+        if (!sApp || sApp->isShuttingDown() || !sApp->hasWebDataServices()) { return false; }
+        const bool known = sApp->getWebDataServices()->containsModelString(candidate);
+        static const QString sKnown("Known modelstring '%1'");
+        static const QString sUnknown("Unknown modelstring '%1'");
+        CMatchingUtils::addLogDetailsToList(log, callsign, known ? sKnown.arg(candidate) : sUnknown.arg(candidate));
+        return known;
+    }
+
     CAircraftIcaoCode CAircraftMatcher::searchAmongAirlineAircraft(const QString &candidateString, const CAirlineIcaoCode &airline, const CCallsign &callsign, CStatusMessageList *log)
     {
         if (!sApp || sApp->isShuttingDown() || !sApp->hasWebDataServices()) { return CAircraftIcaoCode(); }

src/blackcore/aircraftmatcher.h

@@ -205,6 +205,9 @@ namespace BlackCore
             const QString &candidate, const BlackMisc::Aviation::CCallsign &callsign = {},
             BlackMisc::CStatusMessageList *log = nullptr);
 
+        //! Is this aircraft designator known?
+        //! \threadsafe
+        static bool isKnownModelString(
             const QString &candidate, const BlackMisc::Aviation::CCallsign &callsign = {},
             BlackMisc::CStatusMessageList *log = nullptr);
 

src/blackcore/airspacemonitor.cpp

@@ -708,10 +708,17 @@ namespace BlackCore
             const ReverseLookupLogging reverseLookupEnabled = this->isReverseLookupMessagesEnabled();
             CStatusMessageList reverseLookupMessages;
             CStatusMessageList *pReverseLookupMessages = reverseLookupEnabled.testFlag(RevLogEnabled) ? &reverseLookupMessages : nullptr;
+            if (!CAircraftMatcher::isKnownModelString(modelString, callsign, pReverseLookupMessages))
+            {
+                // from the T701 test, do NOT use if model string is unknown
+                // this can overrride "swift livery strings", FsInn here only is useful with a known model string
+                CMatchingUtils::addLogDetailsToList(pReverseLookupMessages, callsign,
+                                                    QStringLiteral("FsInn data ignored, as modelstring '%1' is not known").arg(modelString));
+                return;
+            }
             CMatchingUtils::addLogDetailsToList(pReverseLookupMessages, callsign,
                                                 QStringLiteral("FsInn data from network: aircraft '%1', airline '%2', model '%3', combined '%4'").
                                                 arg(aircraftIcaoDesignator, airlineIcaoDesignator, modelString, combinedAircraftType));
-
             this->addOrUpdateAircraftInRange(callsign, aircraftIcaoDesignator, airlineIcaoDesignator, "", modelString, CAircraftModel::TypeFSInnData, pReverseLookupMessages);
             this->addReverseLookupMessages(callsign, reverseLookupMessages);
             this->sendReadyForModelMatching(callsign); // from FSInn