summaryrefslogtreecommitdiffstats
path: root/core/divesitehelpers.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/divesitehelpers.cpp')
-rw-r--r--core/divesitehelpers.cpp208
1 files changed, 208 insertions, 0 deletions
diff --git a/core/divesitehelpers.cpp b/core/divesitehelpers.cpp
new file mode 100644
index 000000000..3542f96fa
--- /dev/null
+++ b/core/divesitehelpers.cpp
@@ -0,0 +1,208 @@
+//
+// 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);
+}