geocodereply_esri.cpp

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// Copyright (C) 2013-2018 Esri <contracts@esri.com>

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#include "geocodereply_esri.h"

#include <QJsonDocument>

#include <QJsonObject>

#include <QJsonArray>

#include <QGeoCoordinate>

#include <QGeoAddress>

#include <QGeoLocation>

#include <QGeoRectangle>

QT_BEGIN_NAMESPACE

GeoCodeReplyEsri::GeoCodeReplyEsri(QNetworkReply *reply, OperationType operationType,

                                   QObject *parent) :

    QGeoCodeReply(parent), m_operationType(operationType)

    if (!reply) {

        setError(UnknownError, QStringLiteral("Null reply"));

        return;

    connect(reply, &QNetworkReply::finished, this, &GeoCodeReplyEsri::networkReplyFinished);

    connect(reply, &QNetworkReply::errorOccurred,

            this, &GeoCodeReplyEsri::networkReplyError);

    connect(this, &QGeoCodeReply::aborted, reply, &QNetworkReply::abort);

    connect(this, &QObject::destroyed, reply, &QObject::deleteLater);

    setLimit(1);

    setOffset(0);

GeoCodeReplyEsri::~GeoCodeReplyEsri()

void GeoCodeReplyEsri::networkReplyError(QNetworkReply::NetworkError error)

    Q_UNUSED(error);

    QNetworkReply *reply = static_cast<QNetworkReply *>(sender());

    reply->deleteLater();

    setError(QGeoCodeReply::CommunicationError, reply->errorString());

void GeoCodeReplyEsri::networkReplyFinished()

    QNetworkReply *reply = static_cast<QNetworkReply *>(sender());

    reply->deleteLater();

    if (reply->error() != QNetworkReply::NoError)

        return;

    QJsonDocument document = QJsonDocument::fromJson(reply->readAll());

    if (document.isObject()) {

        QJsonObject object = document.object();

        switch (operationType()) {

        case Geocode:

            const QJsonArray candidates = object.value(QStringLiteral("candidates")).toArray();

            QList<QGeoLocation> locations;

            for (const auto candidate : candidates) {

                if (!candidate.isObject())

                    continue;

                locations.append(parseCandidate(candidate.toObject()));

            setLocations(locations);

            setFinished(true);

            break;

        case ReverseGeocode:

            setLocations({parseAddress(object)});

            setFinished(true);

            break;

    } else {

        setError(QGeoCodeReply::CommunicationError, QStringLiteral("Unknown document"));

QGeoLocation GeoCodeReplyEsri::parseAddress(const QJsonObject& object)

    QJsonObject addressObject = object.value(QStringLiteral("address")).toObject();

    QGeoAddress address;

    address.setCountryCode(addressObject.value(QStringLiteral("CountryCode")).toString());

    address.setState(addressObject.value(QStringLiteral("Region")).toString());

    address.setCity(addressObject.value(QStringLiteral("City")).toString());

    address.setDistrict(addressObject.value(QStringLiteral("Subregion")).toString());

    address.setPostalCode(addressObject.value(QStringLiteral("Postal")).toString());

    address.setStreet(addressObject.value(QStringLiteral("Address")).toString());

    QGeoCoordinate coordinate;

    QJsonObject locationObject = object.value(QStringLiteral("location")).toObject();

    coordinate.setLongitude(locationObject.value(QStringLiteral("x")).toDouble());

    coordinate.setLatitude(locationObject.value(QStringLiteral("y")).toDouble());

    QGeoLocation location;

    location.setCoordinate(coordinate);

    location.setAddress(address);

    return location;

QGeoLocation GeoCodeReplyEsri::parseCandidate(const QJsonObject& candidate)

    QGeoCoordinate coordinate;

    QJsonObject locationObject = candidate.value(QStringLiteral("location")).toObject();

    coordinate.setLongitude(locationObject.value(QStringLiteral("x")).toDouble());

    coordinate.setLatitude(locationObject.value(QStringLiteral("y")).toDouble());

    QGeoRectangle extent;

    if (candidate.contains(QStringLiteral("extent"))) {

        QJsonObject extentObject = candidate.value(QStringLiteral("extent")).toObject();

        extent.setTopLeft(QGeoCoordinate(extentObject.value(QStringLiteral("ymin")).toDouble(),

                                         extentObject.value(QStringLiteral("xmin")).toDouble()));

        extent.setBottomRight(QGeoCoordinate(extentObject.value(QStringLiteral("ymax")).toDouble(),

                                             extentObject.value(QStringLiteral("xmax")).toDouble()));

    QJsonObject attributesObject = candidate.value(QStringLiteral("attributes")).toObject();

    QGeoAddress address;

    address.setText(candidate.value(QStringLiteral("address")).toString());

    address.setCountry(attributesObject.value(QStringLiteral("Country")).toString());

    address.setCountryCode(attributesObject.value(QStringLiteral("Country")).toString());

    address.setState(attributesObject.value(QStringLiteral("Region")).toString());

    address.setCity(attributesObject.value(QStringLiteral("City")).toString());

    address.setDistrict(attributesObject.value(QStringLiteral("Subregion")).toString());

    address.setPostalCode(attributesObject.value(QStringLiteral("Postal")).toString());

    QGeoLocation location;

    location.setCoordinate(coordinate);

    location.setBoundingShape(extent);

    location.setAddress(address);

    return location;

QT_END_NAMESPACE