mirror of
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297 lines
11 KiB
C
297 lines
11 KiB
C
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Jon Beniston, M7RCE //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_OURAIRPORTSDB_H
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#define INCLUDE_OURAIRPORTSDB_H
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#include <QString>
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#include <QFile>
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#include <QByteArray>
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#include <QHash>
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#include <QList>
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#include <QDebug>
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#include <stdio.h>
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#include <string.h>
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#include "csv.h"
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#include "adsbdemodsettings.h"
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#define AIRPORTS_URL "https://ourairports.com/data/airports.csv"
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#define AIRPORT_FREQUENCIES_URL "https://ourairports.com/data/airport-frequencies.csv"
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struct AirportInformation {
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struct FrequencyInformation {
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QString m_type;
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QString m_description;
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float m_frequency; // In MHz
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};
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int m_id;
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QString m_ident;
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ADSBDemodSettings::AirportType m_type;
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QString m_name;
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float m_latitude;
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float m_longitude;
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float m_elevation;
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QVector<FrequencyInformation *> m_frequencies;
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static QString trimQuotes(const QString s)
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{
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if (s.startsWith('\"') && s.endsWith('\"'))
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return s.mid(1, s.size() - 2);
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else
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return s;
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}
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// Read OurAirport's airport CSV file
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// See comments for readOSNDB
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static QHash<int, AirportInformation *> *readAirportsDB(const QString &filename)
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{
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int cnt = 0;
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QHash<int, AirportInformation *> *airportInfo = nullptr;
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// Column numbers used for the data as of 2020/10/28
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int idCol = 0;
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int identCol = 1;
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int typeCol = 2;
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int nameCol = 3;
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int latitudeCol = 4;
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int longitudeCol = 5;
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int elevationCol = 6;
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qDebug() << "AirportInformation::readAirportsDB: " << filename;
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FILE *file;
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QByteArray utfFilename = filename.toUtf8();
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if ((file = fopen(utfFilename.constData(), "r")) != NULL)
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{
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char row[2048];
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if (fgets(row, sizeof(row), file))
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{
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airportInfo = new QHash<int, AirportInformation *>();
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airportInfo->reserve(70000);
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// Read header
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int idx = 0;
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char *p = strtok(row, ",");
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while (p != NULL)
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{
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if (!strcmp(p, "id"))
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idCol = idx;
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else if (!strcmp(p, "ident"))
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identCol = idx;
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else if (!strcmp(p, "type"))
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typeCol = idx;
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else if (!strcmp(p, "name"))
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nameCol = idx;
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else if (!strcmp(p, "latitude_deg"))
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latitudeCol = idx;
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else if (!strcmp(p, "longitude_deg"))
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longitudeCol = idx;
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else if (!strcmp(p, "elevation_ft"))
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elevationCol = idx;
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p = strtok(NULL, ",");
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idx++;
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}
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// Read data
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while (fgets(row, sizeof(row), file))
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{
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int id = 0;
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char *idString = NULL;
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char *ident = NULL;
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size_t identLen = 0;
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char *type = NULL;
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size_t typeLen = 0;
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char *name = NULL;
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size_t nameLen = 0;
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float latitude = 0.0f;
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char *latitudeString = NULL;
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size_t latitudeLen = 0;
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float longitude = 0.0f;
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char *longitudeString = NULL;
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size_t longitudeLen = 0;
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float elevation = 0.0f;
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char *elevationString = NULL;
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size_t elevationLen = 0;
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p = strtok(row, ",");
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idx = 0;
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while (p != NULL)
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{
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// Read strings, stripping quotes
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if (idx == idCol)
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{
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idString = p;
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idString[strlen(idString)] = '\0';
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id = strtol(idString, NULL, 10);
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}
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else if (idx == identCol)
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{
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ident = p+1;
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identLen = strlen(ident)-1;
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ident[identLen] = '\0';
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}
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else if (idx == typeCol)
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{
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type = p+1;
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typeLen = strlen(type)-1;
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type[typeLen] = '\0';
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}
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else if (idx == nameCol)
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{
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name = p+1;
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nameLen = strlen(name)-1;
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name[nameLen] = '\0';
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}
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else if (idx == latitudeCol)
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{
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latitudeString = p;
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latitudeLen = strlen(latitudeString)-1;
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latitudeString[latitudeLen] = '\0';
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latitude = atof(latitudeString);
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}
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else if (idx == longitudeCol)
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{
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longitudeString = p;
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longitudeLen = strlen(longitudeString)-1;
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longitudeString[longitudeLen] = '\0';
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longitude = atof(longitudeString);
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}
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else if (idx == elevationCol)
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{
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elevationString = p;
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elevationLen = strlen(elevationString)-1;
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elevationString[elevationLen] = '\0';
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elevation = atof(elevationString);
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}
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p = strtok(NULL, ",");
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idx++;
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}
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// Only create the entry if we have some interesting data
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if (((latitude != 0.0f) || (longitude != 0.0f)) && (type && strcmp(type, "closed")))
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{
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AirportInformation *airport = new AirportInformation();
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airport->m_id = id;
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airport->m_ident = QString(ident);
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if (!strcmp(type, "small_airport"))
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airport->m_type = ADSBDemodSettings::AirportType::Small;
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else if (!strcmp(type, "medium_airport"))
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airport->m_type = ADSBDemodSettings::AirportType::Medium;
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else if (!strcmp(type, "large_airport"))
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airport->m_type = ADSBDemodSettings::AirportType::Large;
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else if (!strcmp(type, "heliport"))
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airport->m_type = ADSBDemodSettings::AirportType::Heliport;
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airport->m_name = QString(name);
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airport->m_latitude = latitude;
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airport->m_longitude = longitude;
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airport->m_elevation = elevation;
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airportInfo->insert(id, airport);
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cnt++;
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}
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}
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}
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fclose(file);
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}
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else
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qDebug() << "AirportInformation::readAirportsDB: Failed to open " << filename;
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qDebug() << "AirportInformation::readAirportsDB: Read " << cnt << " airports";
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return airportInfo;
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}
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// Read OurAirport's airport frequencies CSV file
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static bool readFrequenciesDB(const QString &filename, QHash<int, AirportInformation *> *airportInfo)
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{
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int cnt = 0;
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// Column numbers used for the data as of 2020/10/28
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int airportRefCol = 1;
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int typeCol = 3;
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int descriptionCol = 4;
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int frequencyCol = 5;
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qDebug() << "AirportInformation::readFrequenciesDB: " << filename;
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QFile file(filename);
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if (file.open(QIODevice::ReadOnly))
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{
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QList<QByteArray> colNames;
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int idx;
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// Read header
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if (!file.atEnd())
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{
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QByteArray row = file.readLine().trimmed();
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colNames = row.split(',');
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// Work out which columns the data is in, based on the headers
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idx = colNames.indexOf("airport_ref");
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if (idx >= 0)
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airportRefCol = idx;
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idx = colNames.indexOf("type");
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if (idx >= 0)
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typeCol = idx;
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idx = colNames.indexOf("descrption");
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if (idx >= 0)
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descriptionCol = idx;
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idx = colNames.indexOf("frequency_mhz");
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if (idx >= 0)
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frequencyCol = idx;
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}
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// Read data
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while (!file.atEnd())
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{
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QByteArray row = file.readLine();
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QList<QByteArray> cols = row.split(',');
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bool ok = false;
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int airportRef = cols[airportRefCol].toInt(&ok, 10);
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if (ok)
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{
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if (airportInfo->contains(airportRef))
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{
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QString type = trimQuotes(cols[typeCol]);
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QString description = trimQuotes(cols[descriptionCol]);
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float frequency = cols[frequencyCol].toFloat();
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FrequencyInformation *frequencyInfo = new FrequencyInformation();
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frequencyInfo->m_type = type;
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frequencyInfo->m_description = description;
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frequencyInfo->m_frequency = frequency;
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airportInfo->value(airportRef)->m_frequencies.append(frequencyInfo);
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cnt++;
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}
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}
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}
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file.close();
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}
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else
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qDebug() << "Failed to open " << filename << " " << file.errorString();
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qDebug() << "AirportInformation::readFrequenciesDB: - read " << cnt << " airports";
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return airportInfo;
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}
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};
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#endif
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