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3** Copyright (C) 2016 Aaron McCarthy <mccarthy.aaron@gmail.com>
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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
55QT_BEGIN_NAMESPACE
56
57static 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
66static 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
74QGeoCodingManagerEngineOsm::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
98QGeoCodingManagerEngineOsm::~QGeoCodingManagerEngineOsm()
99{
100}
101
102QGeoCodeReply *QGeoCodingManagerEngineOsm::geocode(const QGeoAddress &address, const QGeoShape &bounds)
103{
104 return geocode(address: addressToQuery(address), limit: -1, offset: -1, bounds);
105}
106
107QGeoCodeReply *QGeoCodingManagerEngineOsm::geocode(const QString &address, int limit, int offset, const QGeoShape &bounds)
108{
109 Q_UNUSED(offset);
110
111 QNetworkRequest request;
112 request.setRawHeader(headerName: "User-Agent", value: m_userAgent);
113
114 QUrl url(QString("%1/search").arg(a: m_urlPrefix));
115 QUrlQuery query;
116 query.addQueryItem(QStringLiteral("q"), value: address);
117 query.addQueryItem(QStringLiteral("format"), QStringLiteral("json"));
118 query.addQueryItem(QStringLiteral("accept-language"), value: locale().name().left(n: 2));
119 //query.addQueryItem(QStringLiteral("countrycodes"), QStringLiteral("au,jp"));
120 if (bounds.type() != QGeoShape::UnknownType) {
121 query.addQueryItem(QStringLiteral("viewbox"), value: boundingBoxToLtrb(rect: 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"), value: 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(reply&: *geocodeReply));
138 replyPrivate->m_extraData["request_url"] = url;
139 }
140
141 connect(sender: geocodeReply, SIGNAL(finished()), receiver: this, SLOT(replyFinished()));
142 connect(sender: geocodeReply, SIGNAL(error(QGeoCodeReply::Error,QString)),
143 receiver: this, SLOT(replyError(QGeoCodeReply::Error,QString)));
144
145 return geocodeReply;
146}
147
148QGeoCodeReply *QGeoCodingManagerEngineOsm::reverseGeocode(const QGeoCoordinate &coordinate,
149 const QGeoShape &bounds)
150{
151 Q_UNUSED(bounds);
152
153 QNetworkRequest request;
154 request.setRawHeader(headerName: "User-Agent", value: m_userAgent);
155
156 QUrl url(QString("%1/reverse").arg(a: m_urlPrefix));
157 QUrlQuery query;
158 query.addQueryItem(QStringLiteral("format"), QStringLiteral("json"));
159 query.addQueryItem(QStringLiteral("accept-language"), value: locale().name().left(n: 2));
160 query.addQueryItem(QStringLiteral("lat"), value: QString::number(coordinate.latitude()));
161 query.addQueryItem(QStringLiteral("lon"), value: 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(reply&: *geocodeReply));
174 replyPrivate->m_extraData["request_url"] = url;
175 }
176
177 connect(sender: geocodeReply, SIGNAL(finished()), receiver: this, SLOT(replyFinished()));
178 connect(sender: geocodeReply, SIGNAL(error(QGeoCodeReply::Error,QString)),
179 receiver: this, SLOT(replyError(QGeoCodeReply::Error,QString)));
180
181 return geocodeReply;
182}
183
184void QGeoCodingManagerEngineOsm::replyFinished()
185{
186 QGeoCodeReply *reply = qobject_cast<QGeoCodeReply *>(object: sender());
187 if (reply)
188 emit finished(reply);
189}
190
191void QGeoCodingManagerEngineOsm::replyError(QGeoCodeReply::Error errorCode, const QString &errorString)
192{
193 QGeoCodeReply *reply = qobject_cast<QGeoCodeReply *>(object: sender());
194 if (reply)
195 emit error(reply, error: errorCode, errorString);
196}
197
198QT_END_NAMESPACE
199

source code of qtlocation/src/plugins/geoservices/osm/qgeocodingmanagerengineosm.cpp