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#include "subsurfacewebservices.h"
#include "../webservice.h"
#include <libxml/parser.h>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QDebug>
#include <QSettings>
#include <qdesktopservices.h>
#include "../dive.h"
#include "../divelist.h"
struct dive_table gps_location_table;
static bool merge_locations_into_dives(void);
WebServices::WebServices(QWidget* parent, Qt::WindowFlags f): QDialog(parent, f)
{
ui.setupUi(this);
connect(ui.buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(buttonClicked(QAbstractButton*)));
connect(ui.download, SIGNAL(clicked(bool)), this, SLOT(startDownload()));
ui.buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
}
void WebServices::hidePassword()
{
ui.password->hide();
ui.passLabel->hide();
}
void WebServices::hideUpload()
{
ui.upload->hide();
}
SubsurfaceWebServices* SubsurfaceWebServices::instance()
{
static SubsurfaceWebServices *self = new SubsurfaceWebServices();
self->setAttribute(Qt::WA_QuitOnClose, false);
return self;
}
SubsurfaceWebServices::SubsurfaceWebServices(QWidget* parent, Qt::WindowFlags f)
{
QSettings s;
ui.userID->setText(s.value("webservice_uid").toString());
hidePassword();
hideUpload();
}
static void clear_table(struct dive_table *table)
{
int i;
for (i = 0; i < table->nr; i++)
free(table->dives[i]);
table->nr = 0;
}
void SubsurfaceWebServices::buttonClicked(QAbstractButton* button)
{
ui.buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
switch(ui.buttonBox->buttonRole(button)){
case QDialogButtonBox::ApplyRole:{
clear_table(&gps_location_table);
QByteArray url = tr("Webservice").toLocal8Bit();
parse_xml_buffer(url.data(), downloadedData.data(), downloadedData.length(), &gps_location_table, NULL, NULL);
/* now merge the data in the gps_location table into the dive_table */
if (merge_locations_into_dives()) {
mark_divelist_changed(TRUE);
}
/* store last entered uid in config */
QSettings s;
s.setValue("subsurface_webservice_uid", ui.userID->text());
s.sync();
hide();
close();
}
break;
case QDialogButtonBox::RejectRole:
// we may want to clean up after ourselves, but this
// makes Subsurface throw a SIGSEGV...
// manager->deleteLater();
reply->deleteLater();
ui.progressBar->setMaximum(1);
break;
case QDialogButtonBox::HelpRole:
QDesktopServices::openUrl(QUrl("http://api.hohndel.org"));
break;
default:
break;
}
}
void SubsurfaceWebServices::startDownload()
{
QUrl url("http://api.hohndel.org/api/dive/get/");
url.setQueryItems( QList<QPair<QString,QString> >() << qMakePair(QString("login"), ui.userID->text()));
manager = new QNetworkAccessManager(this);
QNetworkRequest request;
request.setUrl(url);
request.setRawHeader("Accept", "text/xml");
reply = manager->get(request);
ui.status->setText(tr("Wait a bit untill we have something..."));
ui.progressBar->setRange(0,0); // this makes the progressbar do an 'infinite spin'
ui.download->setEnabled(false);
ui.buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
connect(reply, SIGNAL(finished()), this, SLOT(downloadFinished()));
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(downloadError(QNetworkReply::NetworkError)));
}
void SubsurfaceWebServices::downloadFinished()
{
ui.progressBar->setRange(0,1);
downloadedData = reply->readAll();
ui.download->setEnabled(true);
ui.status->setText(tr("Download Finished"));
uint resultCode = download_dialog_parse_response(downloadedData);
setStatusText(resultCode);
if (resultCode == DD_STATUS_OK){
ui.buttonBox->button(QDialogButtonBox::Apply)->setEnabled(true);
}
manager->deleteLater();
reply->deleteLater();
}
void SubsurfaceWebServices::downloadError(QNetworkReply::NetworkError error)
{
ui.download->setEnabled(true);
ui.progressBar->setRange(0,1);
ui.status->setText(QString::number((int)QNetworkRequest::HttpStatusCodeAttribute));
manager->deleteLater();
reply->deleteLater();
}
void SubsurfaceWebServices::setStatusText(int status)
{
QString text;
switch (status) {
case DD_STATUS_ERROR_CONNECT: text = tr("Connection Error: "); break;
case DD_STATUS_ERROR_ID: text = tr("Invalid user identifier!"); break;
case DD_STATUS_ERROR_PARSE: text = tr("Cannot parse response!"); break;
case DD_STATUS_OK: text = tr("Download Success!"); break;
}
ui.status->setText(text);
}
/* requires that there is a <download> or <error> tag under the <root> tag */
void SubsurfaceWebServices::download_dialog_traverse_xml(xmlNodePtr node, unsigned int *download_status)
{
xmlNodePtr cur_node;
for (cur_node = node; cur_node; cur_node = cur_node->next) {
if ((!strcmp((const char *)cur_node->name, (const char *)"download")) &&
(!strcmp((const char *)xmlNodeGetContent(cur_node), (const char *)"ok"))) {
*download_status = DD_STATUS_OK;
return;
} else if (!strcmp((const char *)cur_node->name, (const char *)"error")) {
*download_status = DD_STATUS_ERROR_ID;
return;
}
}
}
unsigned int SubsurfaceWebServices::download_dialog_parse_response(const QByteArray& xml)
{
xmlNodePtr root;
xmlDocPtr doc = xmlParseMemory(xml.data(), xml.length());
unsigned int status = DD_STATUS_ERROR_PARSE;
if (!doc)
return DD_STATUS_ERROR_PARSE;
root = xmlDocGetRootElement(doc);
if (!root) {
status = DD_STATUS_ERROR_PARSE;
goto end;
}
if (root->children)
download_dialog_traverse_xml(root->children, &status);
end:
xmlFreeDoc(doc);
return status;
}
static bool is_automatic_fix(struct dive *gpsfix)
{
if (gpsfix && gpsfix->location &&
(!strcmp(gpsfix->location, "automatic fix") ||
!strcmp(gpsfix->location, "Auto-created dive")))
return TRUE;
return FALSE;
}
#define SAME_GROUP 6 * 3600 // six hours
static bool merge_locations_into_dives(void)
{
int i, nr = 0, changed = 0;
struct dive *gpsfix, *last_named_fix = NULL, *dive;
sort_table(&gps_location_table);
for_each_gps_location(i, gpsfix) {
if (is_automatic_fix(gpsfix)) {
dive = find_dive_including(gpsfix->when);
if (dive && !dive_has_gps_location(dive)) {
#if DEBUG_WEBSERVICE
struct tm tm;
utc_mkdate(gpsfix->when, &tm);
printf("found dive named %s @ %04d-%02d-%02d %02d:%02d:%02d\n",
gpsfix->location,
tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
#endif
changed++;
copy_gps_location(gpsfix, dive);
}
} else {
if (last_named_fix && dive_within_time_range(last_named_fix, gpsfix->when, SAME_GROUP)) {
nr++;
} else {
nr = 1;
last_named_fix = gpsfix;
}
dive = find_dive_n_near(gpsfix->when, nr, SAME_GROUP);
if (dive) {
if (!dive_has_gps_location(dive)) {
copy_gps_location(gpsfix, dive);
changed++;
}
if (!dive->location) {
dive->location = strdup(gpsfix->location);
changed++;
}
} else {
struct tm tm;
utc_mkdate(gpsfix->when, &tm);
#if DEBUG_WEBSERVICE
printf("didn't find dive matching gps fix named %s @ %04d-%02d-%02d %02d:%02d:%02d\n",
gpsfix->location,
tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
#endif
}
}
}
return changed > 0;
}
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