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Ref T26, find most important manufacturer for an ICAO code

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This commit is contained in:
Klaus Basan
2017-06-27 00:38:06 +02:00
committed by Mathew Sutcliffe
parent 5270dce266
commit fa5ee8e22f
2 changed files with 43 additions and 1 deletions
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38
src/blackmisc/aviation/aircrafticaocodelist.cpp
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@@ -264,6 +264,42 @@ namespace BlackMisc
return c;
}
QMap<QString, int> CAircraftIcaoCodeList::countManufacturers() const
{
QMap<QString, int> count;
for (const CAircraftIcaoCode &icao : *this)
{
if (!icao.hasManufacturer()) continue;
const QString m(icao.getManufacturer());
if (count.contains(m))
{
count[m]++;
}
else
{
count[m] = 1;
}
}
return count;
}
QPair<QString, int> CAircraftIcaoCodeList::maxCountManufacturer() const
{
if (this->isEmpty()) return QPair<QString, int>("", 0);
const QMap<QString, int> counts(countManufacturers());
QPair<QString, int> max;
for (const QString &m : counts.keys())
{
const int mv = counts[m];
if (mv > max.second)
{
max.first = m;
max.second = mv;
}
}
return max;
}
CAircraftIcaoCodeList CAircraftIcaoCodeList::fromDatabaseJson(const QJsonArray &array, bool ignoreIncompleteAndDuplicates)
{
CAircraftIcaoCodeList codes;
@@ -361,7 +397,7 @@ namespace BlackMisc
{
CAircraftIcaoCodeList copy(*this);
copy.sortByDesignatorManufacturerAndRank();
CAircraftIcaoCodeList grouped;
CAircraftIcaoCodeList grouped; // will contain the entries with the best rank
QString designator;
QString manufacturer;
for (const CAircraftIcaoCode &code : as_const(copy))

6
src/blackmisc/aviation/aircrafticaocodelist.h
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@@ -124,6 +124,12 @@ namespace BlackMisc
//! All manufacturers
QSet<QString> allManufacturers(bool onlyKnownDesignators = true) const;
//! Count by manufacturer
QMap<QString, int> countManufacturers() const;
//! Uses countManufacturers to find "most important" manufacturer
QPair<QString, int> maxCountManufacturer() const;
//! From our database JSON format
static CAircraftIcaoCodeList fromDatabaseJson(const QJsonArray &array, bool ignoreIncompleteAndDuplicates = true);
};