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39 
40 #include "qgeocodingmanagerengineosm.h"
41 
42 #include <QtCore/QVariantMap>
43 #include <QtCore/QUrl>
44 #include <QtCore/QUrlQuery>
45 #include <QtCore/QLocale>
46 #include <QtNetwork/QNetworkAccessManager>
47 #include <QtNetwork/QNetworkRequest>
48 #include <QtPositioning/QGeoCoordinate>
49 #include <QtPositioning/QGeoAddress>
50 #include <QtPositioning/QGeoShape>
51 #include <QtPositioning/QGeoRectangle>
52 #include "qgeocodereplyosm.h"
53 
54 
55 QT_BEGIN_NAMESPACE
56 
addressToQuery(const QGeoAddress & address)57 static QString addressToQuery(const QGeoAddress &address)
58 {
59     return address.street() + QStringLiteral(", ") +
60            address.district() + QStringLiteral(", ") +
61            address.city() + QStringLiteral(", ") +
62            address.state() + QStringLiteral(", ") +
63            address.country();
64 }
65 
boundingBoxToLtrb(const QGeoRectangle & rect)66 static QString boundingBoxToLtrb(const QGeoRectangle &rect)
67 {
68     return QString::number(rect.topLeft().longitude()) + QLatin1Char(',') +
69            QString::number(rect.topLeft().latitude()) + QLatin1Char(',') +
70            QString::number(rect.bottomRight().longitude()) + QLatin1Char(',') +
71            QString::number(rect.bottomRight().latitude());
72 }
73 
QGeoCodingManagerEngineOsm(const QVariantMap & parameters,QGeoServiceProvider::Error * error,QString * errorString)74 QGeoCodingManagerEngineOsm::QGeoCodingManagerEngineOsm(const QVariantMap &parameters,
75                                                        QGeoServiceProvider::Error *error,
76                                                        QString *errorString)
77 :   QGeoCodingManagerEngine(parameters), m_networkManager(new QNetworkAccessManager(this))
78 {
79     if (parameters.contains(QStringLiteral("osm.useragent")))
80         m_userAgent = parameters.value(QStringLiteral("osm.useragent")).toString().toLatin1();
81     else
82         m_userAgent = "Qt Location based application";
83 
84     if (parameters.contains(QStringLiteral("osm.geocoding.host")))
85         m_urlPrefix = parameters.value(QStringLiteral("osm.geocoding.host")).toString().toLatin1();
86     else
87         m_urlPrefix = QStringLiteral("https://nominatim.openstreetmap.org");
88 
89     if (parameters.contains(QStringLiteral("osm.geocoding.debug_query")))
90         m_debugQuery = parameters.value(QStringLiteral("osm.geocoding.debug_query")).toBool();
91     if (parameters.contains(QStringLiteral("osm.geocoding.include_extended_data")))
92         m_includeExtraData = parameters.value(QStringLiteral("osm.geocoding.include_extended_data")).toBool();
93 
94     *error = QGeoServiceProvider::NoError;
95     errorString->clear();
96 }
97 
~QGeoCodingManagerEngineOsm()98 QGeoCodingManagerEngineOsm::~QGeoCodingManagerEngineOsm()
99 {
100 }
101 
geocode(const QGeoAddress & address,const QGeoShape & bounds)102 QGeoCodeReply *QGeoCodingManagerEngineOsm::geocode(const QGeoAddress &address, const QGeoShape &bounds)
103 {
104     return geocode(addressToQuery(address), -1, -1, bounds);
105 }
106 
geocode(const QString & address,int limit,int offset,const QGeoShape & bounds)107 QGeoCodeReply *QGeoCodingManagerEngineOsm::geocode(const QString &address, int limit, int offset, const QGeoShape &bounds)
108 {
109     Q_UNUSED(offset);
110 
111     QNetworkRequest request;
112     request.setRawHeader("User-Agent", m_userAgent);
113 
114     QUrl url(QString("%1/search").arg(m_urlPrefix));
115     QUrlQuery query;
116     query.addQueryItem(QStringLiteral("q"), address);
117     query.addQueryItem(QStringLiteral("format"), QStringLiteral("json"));
118     query.addQueryItem(QStringLiteral("accept-language"), locale().name().left(2));
119     //query.addQueryItem(QStringLiteral("countrycodes"), QStringLiteral("au,jp"));
120     if (bounds.type() != QGeoShape::UnknownType) {
121         query.addQueryItem(QStringLiteral("viewbox"), boundingBoxToLtrb(bounds.boundingGeoRectangle()));
122         query.addQueryItem(QStringLiteral("bounded"), QStringLiteral("1"));
123     }
124     query.addQueryItem(QStringLiteral("polygon_geojson"), QStringLiteral("1"));
125     query.addQueryItem(QStringLiteral("addressdetails"), QStringLiteral("1"));
126     if (limit != -1)
127         query.addQueryItem(QStringLiteral("limit"), QString::number(limit));
128 
129     url.setQuery(query);
130     request.setUrl(url);
131 
132     QNetworkReply *reply = m_networkManager->get(request);
133 
134     QGeoCodeReplyOsm *geocodeReply = new QGeoCodeReplyOsm(reply, m_includeExtraData, this);
135     if (m_debugQuery) {
136         QGeoCodeReplyOsmPrivate *replyPrivate
137                 = static_cast<QGeoCodeReplyOsmPrivate *>(QGeoCodeReplyPrivate::get(*geocodeReply));
138         replyPrivate->m_extraData["request_url"] = url;
139     }
140 
141     connect(geocodeReply, SIGNAL(finished()), this, SLOT(replyFinished()));
142     connect(geocodeReply, SIGNAL(error(QGeoCodeReply::Error,QString)),
143             this, SLOT(replyError(QGeoCodeReply::Error,QString)));
144 
145     return geocodeReply;
146 }
147 
reverseGeocode(const QGeoCoordinate & coordinate,const QGeoShape & bounds)148 QGeoCodeReply *QGeoCodingManagerEngineOsm::reverseGeocode(const QGeoCoordinate &coordinate,
149                                                           const QGeoShape &bounds)
150 {
151     Q_UNUSED(bounds);
152 
153     QNetworkRequest request;
154     request.setRawHeader("User-Agent", m_userAgent);
155 
156     QUrl url(QString("%1/reverse").arg(m_urlPrefix));
157     QUrlQuery query;
158     query.addQueryItem(QStringLiteral("format"), QStringLiteral("json"));
159     query.addQueryItem(QStringLiteral("accept-language"), locale().name().left(2));
160     query.addQueryItem(QStringLiteral("lat"), QString::number(coordinate.latitude()));
161     query.addQueryItem(QStringLiteral("lon"), QString::number(coordinate.longitude()));
162     query.addQueryItem(QStringLiteral("zoom"), QStringLiteral("18"));
163     query.addQueryItem(QStringLiteral("addressdetails"), QStringLiteral("1"));
164 
165     url.setQuery(query);
166     request.setUrl(url);
167 
168     QNetworkReply *reply = m_networkManager->get(request);
169 
170     QGeoCodeReplyOsm *geocodeReply = new QGeoCodeReplyOsm(reply, m_includeExtraData, this);
171     if (m_debugQuery) {
172         QGeoCodeReplyOsmPrivate *replyPrivate
173                 = static_cast<QGeoCodeReplyOsmPrivate *>(QGeoCodeReplyPrivate::get(*geocodeReply));
174         replyPrivate->m_extraData["request_url"] = url;
175     }
176 
177     connect(geocodeReply, SIGNAL(finished()), this, SLOT(replyFinished()));
178     connect(geocodeReply, SIGNAL(error(QGeoCodeReply::Error,QString)),
179             this, SLOT(replyError(QGeoCodeReply::Error,QString)));
180 
181     return geocodeReply;
182 }
183 
replyFinished()184 void QGeoCodingManagerEngineOsm::replyFinished()
185 {
186     QGeoCodeReply *reply = qobject_cast<QGeoCodeReply *>(sender());
187     if (reply)
188         emit finished(reply);
189 }
190 
replyError(QGeoCodeReply::Error errorCode,const QString & errorString)191 void QGeoCodingManagerEngineOsm::replyError(QGeoCodeReply::Error errorCode, const QString &errorString)
192 {
193     QGeoCodeReply *reply = qobject_cast<QGeoCodeReply *>(sender());
194     if (reply)
195         emit error(reply, errorCode, errorString);
196 }
197 
198 QT_END_NAMESPACE
199