US Counties

core/Migration.h

@@ -41,7 +41,6 @@ class Migration : public QObject
     bool setSelectedProfile(const QString &tablename, const QString &profileName);
     QString fixIntlField(QSqlQuery &query, const QString &columName, const QString &columnNameIntl);
     bool refreshUploadStatusTrigger();
-
     static const int latestVersion = 34;
 };
 

data/Data.cpp

@@ -28,7 +28,7 @@ Data::Data(QObject *parent) :
     loadWWFF();
     loadPOTA();
     loadTZ();
-
+    loadUSCounties();
 
     // dxcc_prefixes.exact DESC, dxcc_prefixes.prefix DESC
     // is used because it prefers an exact-match record over a partial-match records
@@ -1009,6 +1009,121 @@ void Data::loadTZ()
 
 }
 
+void Data::loadUSCounties()
+{
+    FCT_IDENTIFICATION;
+
+    // Database was generated from links:  https://www.adif.org/316/ADIF_316.htm#Secondary_Administrative_Subdivision
+
+    if (!USCounties.isEmpty())
+         return; // already loaded
+
+     QFile file(":/res/data/counties.json");
+     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+         qWarning() << "Failed to open counties.json";
+         return;
+     }
+
+     QByteArray jsonData = file.readAll();
+     file.close();
+
+     QJsonParseError parseError;
+     QJsonDocument doc = QJsonDocument::fromJson(jsonData, &parseError);
+     if (parseError.error != QJsonParseError::NoError) {
+         qWarning() << "JSON parse error in Counties.txt:" << parseError.errorString();
+         return;
+     }
+
+     if (!doc.isArray()) {
+         qWarning() << "Invalid format: root element is not an array";
+         return;
+     }
+
+     QJsonArray array = doc.array();
+     for (const QJsonValue &val : array) {
+         if (!val.isObject())
+             continue;
+
+         QJsonObject obj = val.toObject();
+         CountyInfo info;
+         info.DXCC = obj.value("DXCC").toInt();
+         info.PrimaryCode = obj.value("PrimaryCode").toString();
+         info.Name = obj.value("Name").toString();
+         info.Code = obj.value("Code").toString();
+         info.Aux = obj.value("Aux").toString();
+
+         if (!info.Code.isEmpty()) {
+             USCounties.insert(info.Code, info);
+         }
+     }
+
+     createTempUSCountyTable();
+
+     qDebug() << "Loaded" << USCounties.size() << "US counties from JSON.";
+}
+
+QString Data::lookupUSCounty(const QString &county)
+{
+    FCT_IDENTIFICATION;
+
+    QString result;
+
+    if (USCounties.isEmpty())
+        loadUSCounties();
+
+    QString needle = county.trimmed();
+    if (needle.isEmpty())
+        return result;
+
+    for (const CountyInfo &info : USCounties) {
+        if (info.Code.compare(needle, Qt::CaseInsensitive) == 0 ||
+            info.Name.compare(needle, Qt::CaseInsensitive) == 0) {
+            return info.Code;  // return first match
+        }
+    }
+
+    return result; // empty if not found
+}
+
+void Data::createTempUSCountyTable()
+{
+    FCT_IDENTIFICATION;
+
+    QSqlQuery query;
+    query.exec("DROP TABLE IF EXISTS temp_uscounties");
+
+    QString createSql = R"(
+        CREATE TEMPORARY TABLE temp_uscounties (
+            DXCC INTEGER,
+            PrimaryCode TEXT,
+            Name TEXT,
+            Code TEXT PRIMARY KEY,
+            Aux TEXT
+        )
+    )";
+
+    if (!query.exec(createSql)) {
+        qWarning() << "Failed to create temp_uscounties:" << query.lastError().text();
+        return;
+    }
+
+    query.prepare(R"(
+        INSERT INTO temp_uscounties (DXCC, PrimaryCode, Name, Code, Aux)
+        VALUES (:dxcc, :primary, :name, :code, :aux)
+    )");
+
+    for (auto it = USCounties.cbegin(); it != USCounties.cend(); ++it) {
+        const CountyInfo &info = it.value();
+        query.bindValue(":dxcc", info.DXCC);
+        query.bindValue(":primary", info.PrimaryCode);
+        query.bindValue(":name", info.Name);
+        query.bindValue(":code", info.Code);
+        query.bindValue(":aux", info.Aux);
+        query.exec();
+    }
+}
+
+
 DxccEntity Data::lookupDxcc(const QString &callsign)
 {
     FCT_IDENTIFICATION;

data/Data.h

@@ -10,6 +10,14 @@
 #include "core/zonedetect.h"
 #include "core/QuadKeyCache.h"
 
+struct CountyInfo {
+    int DXCC;
+    QString PrimaryCode;
+    QString Name;
+    QString Code;
+    QString Aux;
+};
+
 class Data : public QObject
 {
     Q_OBJECT
@@ -147,6 +155,7 @@ class Data : public QObject
     SOTAEntity lookupSOTA(const QString &SOTACode);
     POTAEntity lookupPOTA(const QString &POTACode);
     WWFFEntity lookupWWFF(const QString &reference);
+    QString lookupUSCounty(const QString &county);
     const QString dxccFlag(int dxcc) const {return flags.value(dxcc);} ;
     QPair<QString, QString> legacyMode(const QString &mode);
     QStringList satModeList() { return satModes.values();}
@@ -159,6 +168,20 @@ class Data : public QObject
     QStringList sotaIDList() { return sotaRefID.keys();}
     QStringList wwffIDList() { return wwffRefID.keys();}
     QStringList potaIDList() { return potaRefID.keys();}
+    QStringList uscountyList() {return USCounties.keys();}
+    QStringList uscountyList(int dxcc)
+    {
+        if (USCounties.isEmpty())
+            loadUSCounties();
+
+        QStringList list;
+        for (const CountyInfo &info : USCounties) {
+            if (info.DXCC == dxcc)
+                list.append(info.Code);
+        }
+        return list;
+    }
+    QHash<QString, CountyInfo> uscountyListDetailed() { return USCounties;}
     QString getIANATimeZone(double, double);
     QStringList sigIDList();
 
@@ -180,6 +203,8 @@ public slots:
     void loadWWFF();
     void loadPOTA();
     void loadTZ();
+    void loadUSCounties();
+    void createTempUSCountyTable();
 
     QHash<int, QString> flags;
     QMap<QString, QString> contests;
@@ -190,17 +215,20 @@ public slots:
     QMap<QString, QString> sotaRefID;
     QMap<QString, QString> wwffRefID;
     QMap<QString, QString> potaRefID;
+    QHash<QString, CountyInfo> USCounties;
     ZoneDetect * zd;
     QSqlQuery queryDXCC;
     QSqlQuery queryDXCCID;
     QSqlQuery querySOTA;
     QSqlQuery queryWWFF;
     QSqlQuery queryPOTA;
+    QSqlQuery queryUSCounty;
     bool isDXCCQueryValid;
     bool isSOTAQueryValid;
     bool isWWFFQueryValid;
     bool isPOTAQueryValid;
     bool isDXCCIDQueryValid;
+
     QuadKeyCache<DxccStatus> dxccStatusCache;
 
     static const char translitTab[];