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//
// infrastructure to deal with dive sites
//
#include "divesitehelpers.h"
#include "divesite.h"
#include "helpers.h"
#include "membuffer.h"
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QNetworkAccessManager>
#include <QUrlQuery>
#include <QEventLoop>
#include <QTimer>
struct GeoLookupInfo {
degrees_t lat;
degrees_t lon;
uint32_t uuid;
};
QVector<GeoLookupInfo> geo_lookup_data;
ReverseGeoLookupThread* ReverseGeoLookupThread::instance() {
static ReverseGeoLookupThread* self = new ReverseGeoLookupThread();
return self;
}
ReverseGeoLookupThread::ReverseGeoLookupThread(QObject *obj) : QThread(obj)
{
}
void ReverseGeoLookupThread::run() {
if (geo_lookup_data.isEmpty())
return;
QNetworkRequest request;
QNetworkAccessManager *rgl = new QNetworkAccessManager();
QEventLoop loop;
QString mapquestURL("http://open.mapquestapi.com/nominatim/v1/reverse.php?format=json&accept-language=%1&lat=%2&lon=%3");
QString geonamesURL("http://api.geonames.org/findNearbyPlaceNameJSON?language=%1&lat=%2&lng=%3&radius=50&username=dirkhh");
QString geonamesOceanURL("http://api.geonames.org/oceanJSON?language=%1&lat=%2&lng=%3&radius=50&username=dirkhh");
QString divelogsURL("https://www.divelogs.de/mapsearch_divespotnames.php?lat=%1&lng=%2&radius=50");
QTimer timer;
request.setRawHeader("Accept", "text/json");
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
Q_FOREACH (const GeoLookupInfo& info, geo_lookup_data ) {
struct dive_site *ds = info.uuid ? get_dive_site_by_uuid(info.uuid) : &displayed_dive_site;
// first check the findNearbyPlaces API from geonames - that should give us country, state, city
request.setUrl(geonamesURL.arg(uiLanguage(NULL)).arg(info.lat.udeg / 1000000.0).arg(info.lon.udeg / 1000000.0));
QNetworkReply *reply = rgl->get(request);
timer.setSingleShot(true);
connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
timer.start(5000); // 5 secs. timeout
loop.exec();
if(timer.isActive()) {
timer.stop();
if(reply->error() > 0) {
report_error("got error accessing geonames.org: %s", qPrintable(reply->errorString()));
goto clear_reply;
}
int v = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (v < 200 || v >= 300)
goto clear_reply;
QByteArray fullReply = reply->readAll();
QJsonParseError errorObject;
QJsonDocument jsonDoc = QJsonDocument::fromJson(fullReply, &errorObject);
if (errorObject.error != QJsonParseError::NoError) {
report_error("error parsing geonames.org response: %s", qPrintable(errorObject.errorString()));
goto clear_reply;
}
QJsonObject obj = jsonDoc.object();
QVariant geoNamesObject = obj.value("geonames").toVariant();
QVariantList geoNames = geoNamesObject.toList();
if (geoNames.count() > 0) {
QVariantMap firstData = geoNames.at(0).toMap();
int ri = 0, l3 = -1, lt = -1;
if (ds->taxonomy.category == NULL) {
ds->taxonomy.category = alloc_taxonomy();
} else {
// clear out the data (except for the ocean data)
int ocean;
if ((ocean = taxonomy_index_for_category(&ds->taxonomy, TC_OCEAN)) > 0) {
ds->taxonomy.category[0] = ds->taxonomy.category[ocean];
ds->taxonomy.nr = 1;
} else {
// ocean is -1 if there is no such entry, and we didn't copy above
// if ocean is 0, so the following gets us the correct count
ds->taxonomy.nr = ocean + 1;
}
}
// get all the data - OCEAN is special, so start at COUNTRY
for (int j = TC_COUNTRY; j < TC_NR_CATEGORIES; j++) {
if (firstData[taxonomy_api_names[j]].isValid()) {
ds->taxonomy.category[ri].category = j;
ds->taxonomy.category[ri].origin = taxonomy::GEOCODED;
free((void*)ds->taxonomy.category[ri].value);
ds->taxonomy.category[ri].value = copy_string(qPrintable(firstData[taxonomy_api_names[j]].toString()));
ri++;
}
}
ds->taxonomy.nr = ri;
l3 = taxonomy_index_for_category(&ds->taxonomy, TC_ADMIN_L3);
lt = taxonomy_index_for_category(&ds->taxonomy, TC_LOCALNAME);
if (l3 == -1 && lt != -1) {
// basically this means we did get a local name (what we call town), but just like most places
// we didn't get an adminName_3 - which in some regions is the actual city that town belongs to,
// then we copy the town into the city
ds->taxonomy.category[ri].value = copy_string(ds->taxonomy.category[lt].value);
ds->taxonomy.category[ri].origin = taxonomy::COPIED;
ds->taxonomy.category[ri].category = TC_ADMIN_L3;
ds->taxonomy.nr++;
}
mark_divelist_changed(true);
} else {
report_error("geonames.org did not provide reverse lookup information");
qDebug() << "no reverse geo lookup; geonames returned\n" << fullReply;
}
} else {
report_error("timeout accessing geonames.org");
disconnect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
reply->abort();
}
// next check the oceans API to figure out the body of water
request.setUrl(geonamesOceanURL.arg(uiLanguage(NULL)).arg(info.lat.udeg / 1000000.0).arg(info.lon.udeg / 1000000.0));
reply = rgl->get(request);
connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
timer.start(5000); // 5 secs. timeout
loop.exec();
if(timer.isActive()) {
timer.stop();
if(reply->error() > 0) {
report_error("got error accessing oceans API of geonames.org: %s", qPrintable(reply->errorString()));
goto clear_reply;
}
int v = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (v < 200 || v >= 300)
goto clear_reply;
QByteArray fullReply = reply->readAll();
QJsonParseError errorObject;
QJsonDocument jsonDoc = QJsonDocument::fromJson(fullReply, &errorObject);
if (errorObject.error != QJsonParseError::NoError) {
report_error("error parsing geonames.org response: %s", qPrintable(errorObject.errorString()));
goto clear_reply;
}
QJsonObject obj = jsonDoc.object();
QVariant oceanObject = obj.value("ocean").toVariant();
QVariantMap oceanName = oceanObject.toMap();
if (oceanName["name"].isValid()) {
int idx;
if (ds->taxonomy.category == NULL)
ds->taxonomy.category = alloc_taxonomy();
idx = taxonomy_index_for_category(&ds->taxonomy, TC_OCEAN);
if (idx == -1)
idx = ds->taxonomy.nr;
if (idx < TC_NR_CATEGORIES) {
ds->taxonomy.category[idx].category = TC_OCEAN;
ds->taxonomy.category[idx].origin = taxonomy::GEOCODED;
ds->taxonomy.category[idx].value = copy_string(qPrintable(oceanName["name"].toString()));
if (idx == ds->taxonomy.nr)
ds->taxonomy.nr++;
}
mark_divelist_changed(true);
}
} else {
report_error("timeout accessing geonames.org");
disconnect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
reply->abort();
}
clear_reply:
reply->deleteLater();
}
rgl->deleteLater();
}
void ReverseGeoLookupThread::lookup(dive_site *ds)
{
if (!ds)
return;
GeoLookupInfo info;
info.lat = ds->latitude;
info.lon = ds->longitude;
info.uuid = ds->uuid;
geo_lookup_data.clear();
geo_lookup_data.append(info);
run();
}
extern "C" void add_geo_information_for_lookup(degrees_t latitude, degrees_t longitude, uint32_t uuid) {
GeoLookupInfo info;
info.lat = latitude;
info.lon = longitude;
info.uuid = uuid;
geo_lookup_data.append(info);
}
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