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-rw-r--r--core/divesitehelpers.cpp196
1 files changed, 85 insertions, 111 deletions
diff --git a/core/divesitehelpers.cpp b/core/divesitehelpers.cpp
index b2bb400a7..3f3c4be31 100644
--- a/core/divesitehelpers.cpp
+++ b/core/divesitehelpers.cpp
@@ -22,7 +22,8 @@
#include <QTimer>
#include <memory>
-void reverseGeoLookup(degrees_t latitude, degrees_t longitude, taxonomy_data *taxonomy)
+/** Performs a REST get request to a service returning a JSON object. */
+static QJsonObject doAsyncRESTGetRequest(const QString& url, int msTimeout)
{
// By making the QNetworkAccessManager static and local to this function,
// only one manager exists for all geo-lookups and it is only initialized
@@ -30,16 +31,13 @@ void reverseGeoLookup(degrees_t latitude, degrees_t longitude, taxonomy_data *ta
static QNetworkAccessManager rgl;
QNetworkRequest request;
QEventLoop loop;
- QString geonamesURL("http://api.geonames.org/findNearbyPlaceNameJSON?lang=%1&lat=%2&lng=%3&radius=50&username=dirkhh");
- QString geonamesOceanURL("http://api.geonames.org/oceanJSON?lang=%1&lat=%2&lng=%3&radius=50&username=dirkhh");
QTimer timer;
request.setRawHeader("Accept", "text/json");
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
- // first check the findNearbyPlaces API from geonames - that should give us country, state, city
- request.setUrl(geonamesURL.arg(getUiLanguage().section(QRegExp("[-_ ]"), 0, 0)).arg(latitude.udeg / 1000000.0).arg(longitude.udeg / 1000000.0));
+ request.setUrl(url);
// By using a std::unique_ptr<>, we can exit from the function at any point
// and the reply will be freed. Likewise, when overwriting the pointer with
@@ -48,119 +46,95 @@ void reverseGeoLookup(degrees_t latitude, degrees_t longitude, taxonomy_data *ta
std::unique_ptr<QNetworkReply> reply(rgl.get(request));
timer.setSingleShot(true);
QObject::connect(&*reply, SIGNAL(finished()), &loop, SLOT(quit()));
- timer.start(5000); // 5 secs. timeout
+ timer.start(msTimeout);
loop.exec();
- if (timer.isActive()) {
- timer.stop();
- if (reply->error() > 0) {
- report_error("got error accessing geonames.org: %s", qPrintable(reply->errorString()));
- return;
- }
- int v = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
- if (v < 200 || v >= 300)
- return;
- 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()));
- return;
- }
- 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 (taxonomy->category == NULL) {
- taxonomy->category = alloc_taxonomy();
- } else {
- // clear out the data (except for the ocean data)
- int ocean;
- if ((ocean = taxonomy_index_for_category(taxonomy, TC_OCEAN)) > 0) {
- taxonomy->category[0] = taxonomy->category[ocean];
- 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
- 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()) {
- taxonomy->category[ri].category = j;
- taxonomy->category[ri].origin = taxonomy_origin::GEOCODED;
- free((void *)taxonomy->category[ri].value);
- taxonomy->category[ri].value = copy_qstring(firstData[taxonomy_api_names[j]].toString());
- ri++;
- }
- }
- taxonomy->nr = ri;
- l3 = taxonomy_index_for_category(taxonomy, TC_ADMIN_L3);
- lt = taxonomy_index_for_category(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
- taxonomy->category[ri].value = copy_string(taxonomy->category[lt].value);
- taxonomy->category[ri].origin = taxonomy_origin::GEOCOPIED;
- taxonomy->category[ri].category = TC_ADMIN_L3;
- taxonomy->nr++;
- }
- } 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");
+ if (!timer.isActive()) {
+ report_error("timeout accessing %s", qPrintable(url));
QObject::disconnect(&*reply, SIGNAL(finished()), &loop, SLOT(quit()));
reply->abort();
+ return QJsonObject{};
}
- // next check the oceans API to figure out the body of water
- request.setUrl(geonamesOceanURL.arg(getUiLanguage().section(QRegExp("[-_ ]"), 0, 0)).arg(latitude.udeg / 1000000.0).arg(longitude.udeg / 1000000.0));
- reply.reset(rgl.get(request)); // Note: frees old reply.
- QObject::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()));
- return;
- }
- int v = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
- if (v < 200 || v >= 300)
- return;
- 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()));
- return;
- }
- QJsonObject obj = jsonDoc.object();
- QVariant oceanObject = obj.value("ocean").toVariant();
- QVariantMap oceanName = oceanObject.toMap();
- if (oceanName["name"].isValid()) {
- int idx;
- if (taxonomy->category == NULL)
- taxonomy->category = alloc_taxonomy();
- idx = taxonomy_index_for_category(taxonomy, TC_OCEAN);
- if (idx == -1)
- idx = taxonomy->nr;
- if (idx < TC_NR_CATEGORIES) {
- taxonomy->category[idx].category = TC_OCEAN;
- taxonomy->category[idx].origin = taxonomy_origin::GEOCODED;
- taxonomy->category[idx].value = copy_qstring(oceanName["name"].toString());
- if (idx == taxonomy->nr)
- taxonomy->nr++;
+
+ timer.stop();
+ if (reply->error() > 0) {
+ report_error("got error accessing %s: %s", qPrintable(url), qPrintable(reply->errorString()));
+ return QJsonObject{};
+ }
+ int v = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+ if (v < 200 || v >= 300) {
+ return QJsonObject{};
+ }
+ QByteArray fullReply = reply->readAll();
+ QJsonParseError errorObject;
+ QJsonDocument jsonDoc = QJsonDocument::fromJson(fullReply, &errorObject);
+ if (errorObject.error != QJsonParseError::NoError) {
+ report_error("error parsing JSON response: %s", qPrintable(errorObject.errorString()));
+ return QJsonObject{};
+ }
+ // Success, return JSON response from server
+ return jsonDoc.object();
+}
+
+/// Performs a reverse-geo-lookup of the coordinates and returns the taxonomy data.
+taxonomy_data reverseGeoLookup(degrees_t latitude, degrees_t longitude)
+{
+ const QString geonamesNearbyURL = QStringLiteral("http://api.geonames.org/findNearbyJSON?lang=%1&lat=%2&lng=%3&radius=50&username=dirkhh");
+ const QString geonamesNearbyPlaceNameURL = QStringLiteral("http://api.geonames.org/findNearbyPlaceNameJSON?lang=%1&lat=%2&lng=%3&radius=50&username=dirkhh");
+ const QString geonamesOceanURL = QStringLiteral("http://api.geonames.org/oceanJSON?lang=%1&lat=%2&lng=%3&radius=50&username=dirkhh");
+
+ QString url;
+ QJsonObject obj;
+ taxonomy_data taxonomy = { 0, alloc_taxonomy() };
+
+ // check the oceans API to figure out the body of water
+ url = geonamesOceanURL.arg(getUiLanguage().section(QRegExp("[-_ ]"), 0, 0)).arg(latitude.udeg / 1000000.0).arg(longitude.udeg / 1000000.0);
+ obj = doAsyncRESTGetRequest(url, 5000); // 5 secs. timeout
+ QVariantMap oceanName = obj.value("ocean").toVariant().toMap();
+ if (oceanName["name"].isValid()) {
+ taxonomy.category[0].category = TC_OCEAN;
+ taxonomy.category[0].origin = taxonomy_origin::GEOCODED;
+ taxonomy.category[0].value = copy_qstring(oceanName["name"].toString());
+ taxonomy.nr = 1;
+ }
+
+ // check the findNearbyPlaces API from geonames - that should give us country, state, city
+ url = geonamesNearbyPlaceNameURL.arg(getUiLanguage().section(QRegExp("[-_ ]"), 0, 0)).arg(latitude.udeg / 1000000.0).arg(longitude.udeg / 1000000.0);
+ obj = doAsyncRESTGetRequest(url, 5000); // 5 secs. timeout
+ QVariantList geoNames = obj.value("geonames").toVariant().toList();
+ if (geoNames.count() == 0) {
+ // check the findNearby API from geonames if the previous search came up empty - that should give us country, state, location
+ url = geonamesNearbyURL.arg(getUiLanguage().section(QRegExp("[-_ ]"), 0, 0)).arg(latitude.udeg / 1000000.0).arg(longitude.udeg / 1000000.0);
+ obj = doAsyncRESTGetRequest(url, 5000); // 5 secs. timeout
+ geoNames = obj.value("geonames").toVariant().toList();
+ }
+ if (geoNames.count() > 0) {
+ QVariantMap firstData = geoNames.at(0).toMap();
+
+ // fill out all the data - start at COUNTRY since we already got OCEAN above
+ for (int idx = TC_COUNTRY; idx < TC_NR_CATEGORIES; idx++) {
+ if (firstData[taxonomy_api_names[idx]].isValid()) {
+ taxonomy.category[taxonomy.nr].category = idx;
+ taxonomy.category[taxonomy.nr].origin = taxonomy_origin::GEOCODED;
+ taxonomy.category[taxonomy.nr].value = copy_qstring(firstData[taxonomy_api_names[idx]].toString());
+ taxonomy.nr++;
}
}
+ int l3 = taxonomy_index_for_category(&taxonomy, TC_ADMIN_L3);
+ int lt = taxonomy_index_for_category(&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
+ taxonomy.category[taxonomy.nr].category = TC_ADMIN_L3;
+ taxonomy.category[taxonomy.nr].origin = taxonomy_origin::GEOCOPIED;
+ taxonomy.category[taxonomy.nr].value = copy_string(taxonomy.category[lt].value);
+ taxonomy.nr++;
+ }
} else {
- report_error("timeout accessing geonames.org");
- QObject::disconnect(&*reply, SIGNAL(finished()), &loop, SLOT(quit()));
- reply->abort();
+ report_error("geonames.org did not provide reverse lookup information");
+ //qDebug() << "no reverse geo lookup; geonames returned\n" << fullReply;
}
+
+ return taxonomy;
}
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