Added geocode support

Author: VSTELMAK

qgeocodereplygooglemaps.cpp

@@ -1,66 +1,157 @@
-#include "qgeocodereplygooglemaps.h"
-
-
-#include <QtPositioning/QGeoCoordinate>
-#include <QtPositioning/QGeoAddress>
-#include <QtPositioning/QGeoLocation>
-#include <QtPositioning/QGeoRectangle>
-
-QGeoCodeReplyGooglemaps::QGeoCodeReplyGooglemaps(QNetworkReply *reply, QObject *parent)
-:   QGeoCodeReply(parent), m_reply(reply)
-{
-    connect(m_reply, SIGNAL(finished()), this, SLOT(networkReplyFinished()));
-    connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)),
-            this, SLOT(networkReplyError(QNetworkReply::NetworkError)));
-
-    setLimit(1);
-    setOffset(0);
-}
-
-QGeoCodeReplyGooglemaps::~QGeoCodeReplyGooglemaps()
-{
-    if (m_reply)
-        m_reply->deleteLater();
-}
-
-void QGeoCodeReplyGooglemaps::abort()
-{
-    if (!m_reply)
-        return;
-
-    m_reply->abort();
-
-    m_reply->deleteLater();
-    m_reply = 0;
-}
-
-
-void QGeoCodeReplyGooglemaps::networkReplyFinished()
-{
-    if (!m_reply)
-        return;
-
-    if (m_reply->error() != QNetworkReply::NoError)
-        return;
-
-    QList<QGeoLocation> locations;
-//        setError(QGeoCodeReply::ParseError, QStringLiteral("Error parsing OpenRouteService xml response:") + xml.errorString() + " at line: " + xml.lineNumber());
-    setLocations(locations);
-    setFinished(true);
-
-    m_reply->deleteLater();
-    m_reply = 0;
-}
-
-void QGeoCodeReplyGooglemaps::networkReplyError(QNetworkReply::NetworkError error)
-{
-    Q_UNUSED(error)
-
-    if (!m_reply)
-        return;
-
-    setError(QGeoCodeReply::CommunicationError, m_reply->errorString());
-
-    m_reply->deleteLater();
-    m_reply = 0;
-}
+#include "qgeocodereplygooglemaps.h"
+
+
+#include <QtPositioning/QGeoCoordinate>
+#include <QtPositioning/QGeoAddress>
+#include <QtPositioning/QGeoLocation>
+#include <QtPositioning/QGeoRectangle>
+
+#include <QtCore/QJsonDocument>
+#include <QtCore/QJsonArray>
+#include <QtCore/QJsonObject>
+
+static QGeoCoordinate constructCoordiante(const QJsonObject &jsonCoord) {
+    QGeoCoordinate coord(0,0);
+    coord.setLatitude(jsonCoord.value(QStringLiteral("lat")).toDouble());
+    coord.setLongitude(jsonCoord.value(QStringLiteral("lng")).toDouble());
+    return coord;
+}
+
+static bool checkAddressType(const QJsonObject &jsonAddress, const QString &type) {
+    QJsonArray a = jsonAddress.value("types").toArray();
+    for (int i = 0; i < a.size(); i++) {
+        if (a.at(i).toString() == type)
+            return true;
+    }
+    return false;
+}
+
+QGeoCodeReplyGooglemaps::QGeoCodeReplyGooglemaps(QNetworkReply *reply, QObject *parent)
+    :   QGeoCodeReply(parent), m_reply(reply)
+{
+    connect(m_reply, SIGNAL(finished()), this, SLOT(networkReplyFinished()));
+    connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)),
+            this, SLOT(networkReplyError(QNetworkReply::NetworkError)));
+
+    setLimit(1);
+    setOffset(0);
+}
+
+QGeoCodeReplyGooglemaps::~QGeoCodeReplyGooglemaps()
+{
+    if (m_reply)
+        m_reply->deleteLater();
+}
+
+void QGeoCodeReplyGooglemaps::abort()
+{
+    if (!m_reply)
+        return;
+
+    m_reply->abort();
+
+    m_reply->deleteLater();
+    m_reply = 0;
+}
+
+
+void QGeoCodeReplyGooglemaps::networkReplyFinished()
+{
+    if (!m_reply)
+        return;
+
+    if (m_reply->error() != QNetworkReply::NoError)
+        return;
+
+    QString status;
+
+    QList<QGeoLocation> locations;
+    //        setError(QGeoCodeReply::ParseError, QStringLiteral("Error parsing OpenRouteService xml response:") + xml.errorString() + " at line: " + xml.lineNumber());
+    QJsonDocument document = QJsonDocument::fromJson(m_reply->read(m_reply->bytesAvailable()));
+    if (document.isObject()) {
+        QJsonObject object = document.object();
+
+        status = object.value(QStringLiteral("status")).toString();
+        if (status == "OK") {
+            QJsonArray jsonlocations = object.value(QStringLiteral("results")).toArray();
+            qDebug() << "locations:" << jsonlocations.size();
+            for(int i = 0; i < jsonlocations.size(); i++) {
+                QGeoLocation location;
+                QGeoAddress address;
+
+                QJsonObject o = jsonlocations.at(i).toObject();
+                address.setText(o.value("formatted_address").toString());
+                QJsonObject ogeometry = o.value("geometry").toObject();
+
+                location.setCoordinate(constructCoordiante(ogeometry.value("location").toObject()));
+
+                QJsonObject jaddressRanges = ogeometry.value("viewport").toObject();
+                if (!jaddressRanges.isEmpty()) {
+                    QGeoRectangle r;
+                    r.setTopRight(constructCoordiante(jaddressRanges.value("northeast").toObject()));
+                    r.setBottomLeft(constructCoordiante(jaddressRanges.value("southwest").toObject()));
+                    location.setBoundingBox(r);
+                }
+
+                QJsonArray jaddress = o.value("address_components").toArray();
+
+                QString street_name;
+                QString street_num;
+                for(int j = 0; j < jaddress.size(); j++) {
+                    QJsonObject addobj = jaddress.at(j).toObject();
+                    if (checkAddressType(addobj, "street_number"))
+                        street_num = addobj.value("long_name").toString();
+                    if (checkAddressType(addobj, "route"))
+                        street_name = addobj.value("long_name").toString();
+                    if (checkAddressType(addobj, "country"))
+                        address.setCountryCode(addobj.value("short_name").toString());
+                    if (checkAddressType(addobj, "administrative_area_level_3"))
+                        address.setCity(addobj.value("long_name").toString());
+                    if (checkAddressType(addobj, "administrative_area_level_2"))
+                        address.setCounty(addobj.value("long_name").toString());
+                    if (checkAddressType(addobj, "administrative_area_level_1"))
+                        address.setState(addobj.value("long_name").toString());
+                    if (checkAddressType(addobj, "sublocality"))
+                        address.setDistrict(addobj.value("long_name").toString());
+                    if (checkAddressType(addobj, "postal_code"))
+                        address.setPostalCode(addobj.value("long_name").toString());
+                }
+                address.setStreet(street_name + (street_num.size() > 0 ? ( ", " + street_num) : ""));
+
+                location.setAddress(address);
+
+                locations.append(location);
+            }
+        }
+    } else {
+        if (status == "ZERO_RESULTS")
+            setError(CombinationError, "Geocode was successful but returned no results. This may occur if the geocoder was passed a non-existent address");
+        else if (status == "OVER_QUERY_LIMIT")
+            setError(CommunicationError, "Request quota is over");
+        else if (status == "REQUEST_DENIED")
+            setError(CommunicationError, "Request denied");
+        else if (status == "INVALID_REQUEST")
+            setError(UnsupportedOptionError, "Address, components or latlng is missing");
+        else if (status == "UNKNOWN_ERROR")
+            setError(UnknownError, "Request could not be processed due to a server error. Try again later");
+    }
+
+    setLocations(locations);
+    setFinished(true);
+
+    m_reply->deleteLater();
+    m_reply = 0;
+}
+
+void QGeoCodeReplyGooglemaps::networkReplyError(QNetworkReply::NetworkError error)
+{
+    Q_UNUSED(error)
+
+    if (!m_reply)
+        return;
+
+    setError(QGeoCodeReply::CommunicationError, m_reply->errorString());
+
+    m_reply->deleteLater();
+    m_reply = 0;
+}