Fix finding of std. livery for a given airline.

This was ambigous in the past and could show wrong liveries if 2 or more liveries had the same airline code.

src/blackmisc/aviation/livery.cpp

@@ -184,6 +184,11 @@ namespace BlackMisc
             return (m_airline.hasValidDesignator());
         }
 
+        bool CLivery::isAirlineOperating() const
+        {
+            return this->isAirlineLivery() && this->getAirlineIcaoCode().isOperating();
+        }
+
         bool CLivery::isAirlineStandardLivery() const
         {
             if (isColorLivery()) { return false; }

src/blackmisc/aviation/livery.h

@@ -158,10 +158,13 @@ namespace BlackMisc
             //! Livery representing airline
             bool isAirlineLivery() const;
 
+            //! Is airline operating?
+            bool isAirlineOperating() const;
+
             //! Livery representing airline standard livery
             bool isAirlineStandardLivery() const;
 
-            //! Color livery
+            //! Color livery?
             bool isColorLivery() const;
 
             //! Color distance 0..1 (0 is best)

src/blackmisc/aviation/liverylist.cpp

@@ -30,19 +30,39 @@ namespace BlackMisc
 
         CLiveryList CLiveryList::findByAirlineIcaoDesignator(const QString &icao) const
         {
-            QString i(icao.trimmed().toUpper());
-            if (i.isEmpty()) { return CLiveryList(); }
-            return this->findBy(&CLivery::getAirlineIcaoCodeDesignator, i);
+            QString icaoCode(icao.trimmed().toUpper());
+            if (icaoCode.isEmpty()) { return CLiveryList(); }
+            return this->findBy(&CLivery::getAirlineIcaoCodeDesignator, icaoCode);
+        }
+
+        CLivery CLiveryList::findStdLiveryByAirlineIcaoVDesignator(const CAirlineIcaoCode &icao) const
+        {
+            if (this->isEmpty() || !icao.hasValidDesignator()) { return CLivery(); }
+            CLiveryList candidates;
+            for (const CLivery &livery : *this)
+            {
+                if (!livery.isAirlineStandardLivery()) { continue; }
+                const CAirlineIcaoCode livIcao = livery.getAirlineIcaoCode();
+                if (livIcao.isDbEqual(icao)) { return livery; }
+                if (livIcao.getVDesignator() != icao.getVDesignator()) { continue; }
+                if (icao.getName().size() > 5 && livery.getDescription().contains(icao.getName(), Qt::CaseInsensitive)) { return livery; }
+                candidates.push_back(livery);
+            }
+
+            if (candidates.size() < 2) { return candidates.frontOrDefault(); }
+            const CLiveryList operatingAirlines = candidates.findBy(&CLivery::isAirlineOperating, true);
+            if (!operatingAirlines.isEmpty()) { return operatingAirlines.frontOrDefault(); }
+            return candidates.frontOrDefault();
         }
 
         CLivery CLiveryList::findStdLiveryByAirlineIcaoVDesignator(const QString &icao) const
         {
-            QString i(icao.trimmed().toUpper());
-            if (i.isEmpty()) { return CLivery(); }
+            QString icaoDesignator(icao.trimmed().toUpper());
+            if (icaoDesignator.isEmpty()) { return CLivery(); }
             return this->findFirstByOrDefault([&](const CLivery & livery)
             {
                 if (!livery.isAirlineStandardLivery()) { return false; }
-                return livery.getAirlineIcaoCode().matchesVDesignator(i);
+                return livery.getAirlineIcaoCode().matchesVDesignator(icaoDesignator);
             });
         }
 
@@ -68,11 +88,6 @@ namespace BlackMisc
             });
         }
 
-        CLivery CLiveryList::findStdLiveryByAirlineIcaoVDesignator(const CAirlineIcaoCode &icao) const
-        {
-            return this->findStdLiveryByAirlineIcaoVDesignator(icao.getVDesignator());
-        }
-
         CLivery CLiveryList::findColorLiveryOrDefault(const CRgbColor &fuselage, const CRgbColor &tail) const
         {
             if (!fuselage.isValid() || !tail.isValid()) { return CLivery(); }
@@ -127,6 +142,16 @@ namespace BlackMisc
             return codes;
         }
 
+        CAirlineIcaoCodeList CLiveryList::getAirlines() const
+        {
+            CAirlineIcaoCodeList icaos;
+            for (const CLivery &livery : * this)
+            {
+                icaos.push_back(livery.getAirlineIcaoCode());
+            }
+            return icaos;
+        }
+
         CLivery CLiveryList::smartLiverySelector(const CLivery &liveryPattern) const
         {
             // multiple searches are slow, maybe we can performance optimize this

src/blackmisc/aviation/liverylist.h

@@ -12,11 +12,11 @@
 #ifndef BLACKMISC_AVIATION_LIVERYLIST_H
 #define BLACKMISC_AVIATION_LIVERYLIST_H
 
-#include "blackmisc/aviation/airlineicaocode.h"
+#include "blackmisc/aviation/airlineicaocodelist.h"
 #include "blackmisc/aviation/livery.h"
+#include "blackmisc/db/datastoreobjectlist.h"
 #include "blackmisc/blackmiscexport.h"
 #include "blackmisc/collection.h"
-#include "blackmisc/db/datastoreobjectlist.h"
 #include "blackmisc/sequence.h"
 #include "blackmisc/variant.h"
 
@@ -44,9 +44,11 @@ namespace BlackMisc
             CLiveryList(const CSequence<CLivery> &other);
 
             //! Find livery by airline
+            //! \remark try to use the version with CAirlineIcaoCode as it resolves ambiguities betters
             CLiveryList findByAirlineIcaoDesignator(const QString &icao) const;
 
             //! Find livery by airline
+            //! \remark try to use the version with CAirlineIcaoCode as it resolves ambiguities betters
             CLivery findStdLiveryByAirlineIcaoVDesignator(const QString &icao) const;
 
             //! Find livery by airline
@@ -73,6 +75,9 @@ namespace BlackMisc
             //! All combined codes plus more info
             QStringList getCombinedCodesPlusInfo(bool sort = false) const;
 
+            //! All aircraft codes
+            CAirlineIcaoCodeList getAirlines() const;
+
             //! Find by multiple criteria
             CLivery smartLiverySelector(const CLivery &liveryPattern) const;
         };