1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
|
#include "core/gpslocation.h"
#include "qt-models/gpslistmodel.h"
#include "core/pref.h"
#include "core/dive.h"
#include "core/helpers.h"
#include <time.h>
#include <unistd.h>
#include <QDebug>
#include <QVariant>
#include <QUrlQuery>
#include <QApplication>
#include <QTimer>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#define GPS_FIX_ADD_URL "http://api.subsurface-divelog.org/api/dive/add/"
#define GPS_FIX_DELETE_URL "http://api.subsurface-divelog.org/api/dive/delete/"
#define GPS_FIX_DOWNLOAD_URL "http://api.subsurface-divelog.org/api/dive/get/"
#define GET_WEBSERVICE_UID_URL "https://cloud.subsurface-divelog.org/webuserid/"
GpsLocation *GpsLocation::m_Instance = NULL;
GpsLocation::GpsLocation(void (*showMsgCB)(const char *), QObject *parent) :
QObject(parent),
m_GpsSource(0),
waitingForPosition(false),
haveSource(UNKNOWN)
{
Q_ASSERT_X(m_Instance == NULL, "GpsLocation", "GpsLocation recreated");
m_Instance = this;
showMessageCB = showMsgCB;
// create a QSettings object that's separate from the main application settings
geoSettings = new QSettings(QSettings::NativeFormat, QSettings::UserScope,
QString("org.subsurfacedivelog"), QString("subsurfacelocation"), this);
userAgent = getUserAgent();
(void)getGpsSource();
loadFromStorage();
}
GpsLocation *GpsLocation::instance()
{
Q_ASSERT(m_Instance != NULL);
return m_Instance;
}
GpsLocation::~GpsLocation()
{
m_Instance = NULL;
}
QGeoPositionInfoSource *GpsLocation::getGpsSource()
{
if (haveSource == NOGPS)
return 0;
if (!m_GpsSource) {
m_GpsSource = QGeoPositionInfoSource::createDefaultSource(this);
if (m_GpsSource != 0) {
#if defined(Q_OS_IOS)
// at least Qt 5.6.0 isn't doing things right on iOS - it MUST check for permission before
// accessing the position source
// I have a hacked version of Qt 5.6.0 that I will build the iOS binaries with for now;
// this test below righ after creating the source checks if the location service is disabled
// and set's an error right when the position source is created to indicate this
if (m_GpsSource->error() == QGeoPositionInfoSource::AccessError) {
haveSource = NOGPS;
emit haveSourceChanged();
m_GpsSource = NULL;
return NULL;
}
#endif
haveSource = (m_GpsSource->supportedPositioningMethods() & QGeoPositionInfoSource::SatellitePositioningMethods) ? HAVEGPS : NOGPS;
emit haveSourceChanged();
#ifndef SUBSURFACE_MOBILE
if (verbose)
#endif
status(QString("Created position source %1").arg(m_GpsSource->sourceName()));
connect(m_GpsSource, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(newPosition(QGeoPositionInfo)));
connect(m_GpsSource, SIGNAL(updateTimeout()), this, SLOT(updateTimeout()));
connect(m_GpsSource, SIGNAL(error(QGeoPositionInfoSource::Error)), this, SLOT(positionSourceError(QGeoPositionInfoSource::Error)));
m_GpsSource->setUpdateInterval(5 * 60 * 1000); // 5 minutes so the device doesn't drain the battery
} else {
#ifdef SUBSURFACE_MOBILE
status("don't have GPS source");
#endif
haveSource = NOGPS;
emit haveSourceChanged();
}
}
return m_GpsSource;
}
bool GpsLocation::hasLocationsSource()
{
(void)getGpsSource();
return haveSource == HAVEGPS;
}
void GpsLocation::serviceEnable(bool toggle)
{
QGeoPositionInfoSource *gpsSource = getGpsSource();
if (haveSource != HAVEGPS) {
if (toggle)
status("Can't start location service, no location source available");
return;
}
if (toggle) {
gpsSource->startUpdates();
status(QString("Starting Subsurface GPS service with update interval %1").arg(gpsSource->updateInterval()));
} else {
gpsSource->stopUpdates();
status("Stopping Subsurface GPS service");
}
}
QString GpsLocation::currentPosition()
{
if (!hasLocationsSource())
return tr("Unknown GPS location");
if (m_trackers.count() && m_trackers.lastKey() + 300 >= QDateTime::currentMSecsSinceEpoch() / 1000) {
// we can simply use the last position that we tracked
gpsTracker gt = m_trackers.last();
QString gpsString = printGPSCoords(gt.latitude.udeg, gt.longitude.udeg);
qDebug() << "returning last position" << gpsString;
return gpsString;
}
qDebug() << "requesting new GPS position";
m_GpsSource->requestUpdate();
// ok, we need to get the current position and somehow in the callback update the location in the QML UI
// punting right now
waitingForPosition = true;
return GPS_CURRENT_POS;
}
void GpsLocation::newPosition(QGeoPositionInfo pos)
{
int64_t lastTime = 0;
QGeoCoordinate lastCoord;
int nr = m_trackers.count();
if (nr) {
gpsTracker gt = m_trackers.last();
lastCoord.setLatitude(gt.latitude.udeg / 1000000.0);
lastCoord.setLongitude(gt.longitude.udeg / 1000000.0);
lastTime = gt.when;
}
// if we are waiting for a position update or
// if we have no record stored or if at least the configured minimum
// time has passed or we moved at least the configured minimum distance
int64_t delta = (int64_t)pos.timestamp().toTime_t() + gettimezoneoffset() - lastTime;
if (!nr || waitingForPosition || delta > prefs.time_threshold ||
lastCoord.distanceTo(pos.coordinate()) > prefs.distance_threshold) {
QString msg("received new position %1 after delta %2 threshold %3");
status(qPrintable(msg.arg(pos.coordinate().toString()).arg(delta).arg(prefs.time_threshold)));
waitingForPosition = false;
gpsTracker gt;
gt.when = pos.timestamp().toTime_t();
gt.when += gettimezoneoffset(gt.when);
gt.latitude.udeg = (int)(pos.coordinate().latitude() * 1000000);
gt.longitude.udeg = (int)(pos.coordinate().longitude() * 1000000);
addFixToStorage(gt);
}
}
void GpsLocation::updateTimeout()
{
status("request to get new position timed out");
}
void GpsLocation::positionSourceError(QGeoPositionInfoSource::Error)
{
status("error receiving a GPS location");
haveSource = NOGPS;
emit haveSourceChanged();
}
void GpsLocation::status(QString msg)
{
qDebug() << msg;
if (showMessageCB)
(*showMessageCB)(qPrintable(msg));
}
QString GpsLocation::getUserid(QString user, QString passwd)
{
qDebug() << "called getUserid";
QEventLoop loop;
QTimer timer;
timer.setSingleShot(true);
QNetworkAccessManager *manager = new QNetworkAccessManager(qApp);
QUrl url(GET_WEBSERVICE_UID_URL);
QString data;
data = user + " " + passwd;
QNetworkRequest request;
request.setUrl(url);
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
request.setRawHeader("Accept", "text/html");
request.setRawHeader("Content-type", "application/x-www-form-urlencoded");
reply = manager->post(request, data.toUtf8());
connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(getUseridError(QNetworkReply::NetworkError)));
timer.start(10000);
loop.exec();
if (timer.isActive()) {
timer.stop();
if (reply->error() == QNetworkReply::NoError) {
QString result = reply->readAll();
status(QString("received ") + result);
result.remove("WebserviceID:");
reply->deleteLater();
return result;
}
} else {
status("Getting Web service ID timed out");
}
reply->deleteLater();
return QString();
}
int GpsLocation::getGpsNum() const
{
return m_trackers.count();
}
static void copy_gps_location(struct gpsTracker &gps, struct dive *d)
{
struct dive_site *ds = get_dive_site_by_uuid(d->dive_site_uuid);
if (!ds) {
d->dive_site_uuid = create_dive_site(qPrintable(gps.name), gps.when);
ds = get_dive_site_by_uuid(d->dive_site_uuid);
}
ds->latitude = gps.latitude;
ds->longitude = gps.longitude;
}
#define SAME_GROUP 6 * 3600 /* six hours */
bool GpsLocation::applyLocations()
{
int i;
bool changed = false;
int last = 0;
int cnt = m_trackers.count();
if (cnt == 0)
return false;
// create a table with the GPS information
QList<struct gpsTracker> gpsTable = m_trackers.values();
// now walk the dive table and see if we can fill in missing gps data
struct dive *d;
for_each_dive(i, d) {
if (dive_has_gps_location(d))
continue;
for (int j = last; j < cnt; j++) {
if (time_during_dive_with_offset(d, gpsTable[j].when, SAME_GROUP)) {
if (verbose)
qDebug() << "processing gpsFix @" << get_dive_date_string(gpsTable[j].when) <<
"which is withing six hours of dive from" <<
get_dive_date_string(d->when) << "until" <<
get_dive_date_string(d->when + d->duration.seconds);
/*
* If position is fixed during dive. This is the good one.
* Asign and mark position, and end gps_location loop
*/
if (time_during_dive_with_offset(d, gpsTable[j].when, 0)) {
if (verbose)
qDebug() << "gpsFix is during the dive, pick that one";
copy_gps_location(gpsTable[j], d);
changed = true;
last = j;
break;
} else {
/*
* If it is not, check if there are more position fixes in SAME_GROUP range
*/
if (j + 1 < cnt && time_during_dive_with_offset(d, gpsTable[j+1].when, SAME_GROUP)) {
if (verbose)
qDebug() << "look at the next gps fix @" << get_dive_date_string(gpsTable[j+1].when);
/* first let's test if this one is during the dive */
if (time_during_dive_with_offset(d, gpsTable[j+1].when, 0)) {
if (verbose)
qDebug() << "which is during the dive, pick that one";
copy_gps_location(gpsTable[j+1], d);
changed = true;
last = j + 1;
break;
}
/* we know the gps fixes are sorted; if they are both before the dive, ignore the first,
* if theay are both after the dive, take the first,
* if the first is before and the second is after, take the closer one */
if (gpsTable[j+1].when < d->when) {
if (verbose)
qDebug() << "which is closer to the start of the dive, do continue with that";
continue;
} else if (gpsTable[j].when > d->when + d->duration.seconds) {
if (verbose)
qDebug() << "which is even later after the end of the dive, so pick the previous one";
copy_gps_location(gpsTable[j], d);
changed = true;
last = j;
break;
} else {
/* ok, gpsFix is before, nextgpsFix is after */
if (d->when - gpsTable[j].when <= gpsTable[j+1].when - (d->when + d->duration.seconds)) {
if (verbose)
qDebug() << "pick the one before as it's closer to the start";
copy_gps_location(gpsTable[j], d);
changed = true;
last = j;
break;
} else {
if (verbose)
qDebug() << "pick the one after as it's closer to the start";
copy_gps_location(gpsTable[j+1], d);
changed = true;
last = j + 1;
break;
}
}
/*
* If no more positions in range, the actual is the one. Asign, mark and end loop.
*/
} else {
if (verbose)
qDebug() << "which seems to be the best one for this dive, so pick it";
copy_gps_location(gpsTable[j], d);
changed = true;
last = j;
break;
}
}
} else {
/* If position is out of SAME_GROUP range and in the future, mark position for
* next dive iteration and end the gps_location loop
*/
if (gpsTable[j].when >= d->when + d->duration.seconds + SAME_GROUP) {
last = j;
break;
}
}
}
}
if (changed)
mark_divelist_changed(true);
return changed;
}
QMap<qint64, gpsTracker> GpsLocation::currentGPSInfo() const
{
return m_trackers;
}
void GpsLocation::loadFromStorage()
{
int nr = geoSettings->value(QString("count")).toInt();
for (int i = 0; i < nr; i++) {
struct gpsTracker gt;
gt.when = geoSettings->value(QString("gpsFix%1_time").arg(i)).toLongLong();
gt.latitude.udeg = geoSettings->value(QString("gpsFix%1_lat").arg(i)).toInt();
gt.longitude.udeg = geoSettings->value(QString("gpsFix%1_lon").arg(i)).toInt();
gt.name = geoSettings->value(QString("gpsFix%1_name").arg(i)).toString();
gt.idx = i;
m_trackers.insert(gt.when, gt);
}
}
void GpsLocation::replaceFixToStorage(gpsTracker >)
{
if (!m_trackers.keys().contains(gt.when)) {
addFixToStorage(gt);
return;
}
gpsTracker replacedTracker = m_trackers.value(gt.when);
geoSettings->setValue(QString("gpsFix%1_time").arg(replacedTracker.idx), gt.when);
geoSettings->setValue(QString("gpsFix%1_lat").arg(replacedTracker.idx), gt.latitude.udeg);
geoSettings->setValue(QString("gpsFix%1_lon").arg(replacedTracker.idx), gt.longitude.udeg);
geoSettings->setValue(QString("gpsFix%1_name").arg(replacedTracker.idx), gt.name);
replacedTracker.latitude = gt.latitude;
replacedTracker.longitude = gt.longitude;
replacedTracker.name = gt.name;
}
void GpsLocation::addFixToStorage(gpsTracker >)
{
int nr = m_trackers.count();
geoSettings->setValue("count", nr + 1);
geoSettings->setValue(QString("gpsFix%1_time").arg(nr), gt.when);
geoSettings->setValue(QString("gpsFix%1_lat").arg(nr), gt.latitude.udeg);
geoSettings->setValue(QString("gpsFix%1_lon").arg(nr), gt.longitude.udeg);
geoSettings->setValue(QString("gpsFix%1_name").arg(nr), gt.name);
gt.idx = nr;
geoSettings->sync();
m_trackers.insert(gt.when, gt);
}
void GpsLocation::deleteFixFromStorage(gpsTracker >)
{
qint64 when = gt.when;
int cnt = m_trackers.count();
if (cnt == 0 || !m_trackers.keys().contains(when)) {
qDebug() << "no gps fix with timestamp" << when;
return;
}
if (geoSettings->value(QString("gpsFix%1_time").arg(gt.idx)).toLongLong() != when) {
qDebug() << "uh oh - index for tracker has gotten out of sync...";
return;
}
if (cnt > 1) {
// now we move the last tracker into that spot (so our settings stay consecutive)
// and delete the last settings entry
when = geoSettings->value(QString("gpsFix%1_time").arg(cnt - 1)).toLongLong();
struct gpsTracker movedTracker = m_trackers.value(when);
movedTracker.idx = gt.idx;
m_trackers.remove(movedTracker.when);
m_trackers.insert(movedTracker.when, movedTracker);
geoSettings->setValue(QString("gpsFix%1_time").arg(movedTracker.idx), when);
geoSettings->setValue(QString("gpsFix%1_lat").arg(movedTracker.idx), movedTracker.latitude.udeg);
geoSettings->setValue(QString("gpsFix%1_lon").arg(movedTracker.idx), movedTracker.longitude.udeg);
geoSettings->setValue(QString("gpsFix%1_name").arg(movedTracker.idx), movedTracker.name);
geoSettings->remove(QString("gpsFix%1_lat").arg(cnt - 1));
geoSettings->remove(QString("gpsFix%1_lon").arg(cnt - 1));
geoSettings->remove(QString("gpsFix%1_time").arg(cnt - 1));
geoSettings->remove(QString("gpsFix%1_name").arg(cnt - 1));
}
geoSettings->setValue("count", cnt - 1);
geoSettings->sync();
m_trackers.remove(gt.when);
}
void GpsLocation::deleteGpsFix(qint64 when)
{
struct gpsTracker defaultTracker;
defaultTracker.when = 0;
struct gpsTracker deletedTracker = m_trackers.value(when, defaultTracker);
if (deletedTracker.when != when) {
qDebug() << "can't find tracker for timestamp" << when;
return;
}
deleteFixFromStorage(deletedTracker);
m_deletedTrackers.append(deletedTracker);
}
void GpsLocation::clearGpsData()
{
m_trackers.clear();
geoSettings->clear();
geoSettings->sync();
}
void GpsLocation::postError(QNetworkReply::NetworkError error)
{
Q_UNUSED(error);
status(QString("error when sending a GPS fix: %1").arg(reply->errorString()));
}
void GpsLocation::getUseridError(QNetworkReply::NetworkError error)
{
Q_UNUSED(error);
status(QString("error when retrieving Subsurface webservice user id: %1").arg(reply->errorString()));
}
void GpsLocation::deleteFixesFromServer()
{
QEventLoop loop;
QTimer timer;
timer.setSingleShot(true);
QNetworkAccessManager *manager = new QNetworkAccessManager(qApp);
QUrl url(GPS_FIX_DELETE_URL);
QList<qint64> keys = m_trackers.keys();
while (!m_deletedTrackers.isEmpty()) {
gpsTracker gt = m_deletedTrackers.takeFirst();
QDateTime dt = QDateTime::fromTime_t(gt.when, Qt::UTC);
QUrlQuery data;
data.addQueryItem("login", prefs.userid);
data.addQueryItem("dive_date", dt.toString("yyyy-MM-dd"));
data.addQueryItem("dive_time", dt.toString("hh:mm"));
status(data.toString(QUrl::FullyEncoded).toUtf8());
QNetworkRequest request;
request.setUrl(url);
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
request.setRawHeader("Accept", "text/json");
request.setRawHeader("Content-type", "application/x-www-form-urlencoded");
reply = manager->post(request, data.toString(QUrl::FullyEncoded).toUtf8());
connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(postError(QNetworkReply::NetworkError)));
timer.start(10000);
loop.exec();
if (timer.isActive()) {
timer.stop();
if (reply->error() != QNetworkReply::NoError) {
QString response = reply->readAll();
status(QString("Server response:") + reply->readAll());
}
} else {
status("Deleting on the server timed out - try again later");
m_deletedTrackers.prepend(gt);
break;
}
reply->deleteLater();
status(QString("completed deleting gps fix %1 - response: ").arg(gt.idx) + reply->readAll());
}
}
void GpsLocation::uploadToServer()
{
// we want to do this one at a time (the server prefers that)
QEventLoop loop;
QTimer timer;
timer.setSingleShot(true);
QNetworkAccessManager *manager = new QNetworkAccessManager(qApp);
QUrl url(GPS_FIX_ADD_URL);
Q_FOREACH(qint64 key, m_trackers.keys()) {
struct gpsTracker gt = m_trackers.value(key);
QDateTime dt = QDateTime::fromTime_t(gt.when, Qt::UTC);
QUrlQuery data;
data.addQueryItem("login", prefs.userid);
data.addQueryItem("dive_date", dt.toString("yyyy-MM-dd"));
data.addQueryItem("dive_time", dt.toString("hh:mm"));
data.addQueryItem("dive_latitude", QString::number(gt.latitude.udeg / 1000000.0, 'f', 9));
data.addQueryItem("dive_longitude", QString::number(gt.longitude.udeg / 1000000.0, 'f', 9));
if (gt.name.isEmpty())
gt.name = "Auto-created dive";
data.addQueryItem("dive_name", gt.name);
status(data.toString(QUrl::FullyEncoded).toUtf8());
QNetworkRequest request;
request.setUrl(url);
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
request.setRawHeader("Accept", "text/json");
request.setRawHeader("Content-type", "application/x-www-form-urlencoded");
reply = manager->post(request, data.toString(QUrl::FullyEncoded).toUtf8());
connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
// somehoe I cannot get this to work with the new connect syntax:
// connect(reply, &QNetworkReply::error, this, &GpsLocation::postError);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(postError(QNetworkReply::NetworkError)));
timer.start(10000);
loop.exec();
if (timer.isActive()) {
timer.stop();
if (reply->error() != QNetworkReply::NoError) {
QString response = reply->readAll();
if (!response.contains("Duplicate entry")) {
status(QString("Server response:") + reply->readAll());
break;
}
}
} else {
status("Uploading to server timed out");
break;
}
reply->deleteLater();
status(QString("completed sending gps fix %1 - response: ").arg(gt.idx) + reply->readAll());
}
// and now remove the ones that were locally deleted
deleteFixesFromServer();
}
void GpsLocation::downloadFromServer()
{
QEventLoop loop;
QTimer timer;
timer.setSingleShot(true);
QNetworkAccessManager *manager = new QNetworkAccessManager(qApp);
QUrl url(QString(GPS_FIX_DOWNLOAD_URL "?login=%1").arg(prefs.userid));
QNetworkRequest request;
request.setUrl(url);
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
request.setRawHeader("Accept", "text/json");
request.setRawHeader("Content-type", "text/html");
qDebug() << "downloadFromServer accessing" << url;
reply = manager->get(request);
connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(getUseridError(QNetworkReply::NetworkError)));
timer.start(10000);
loop.exec();
if (timer.isActive()) {
timer.stop();
if (!reply->error()) {
QString response = reply->readAll();
QJsonDocument json = QJsonDocument::fromJson(response.toLocal8Bit());
QJsonObject object = json.object();
if (object.value("download").toString() != "ok") {
qDebug() << "problems downloading GPS fixes";
return;
}
qDebug() << "already have" << m_trackers.count() << "GPS fixes";
QJsonArray downloadedFixes = object.value("dives").toArray();
qDebug() << downloadedFixes.count() << "GPS fixes downloaded";
for (int i = 0; i < downloadedFixes.count(); i++) {
QJsonObject fix = downloadedFixes[i].toObject();
QDate date = QDate::fromString(fix.value("date").toString(), "yyy-M-d");
QTime time = QTime::fromString(fix.value("time").toString(), "hh:m:s");
QString name = fix.value("name").toString();
QString latitude = fix.value("latitude").toString();
QString longitude = fix.value("longitude").toString();
QDateTime timestamp;
timestamp.setTimeSpec(Qt::UTC);
timestamp.setDate(date);
timestamp.setTime(time);
struct gpsTracker gt;
gt.when = timestamp.toMSecsSinceEpoch() / 1000;
gt.latitude.udeg = (int)(latitude.toDouble() * 1000000);
gt.longitude.udeg = (int)(longitude.toDouble() * 1000000);
gt.name = name;
// add this GPS fix to the QMap and the settings (remove existing fix at the same timestamp first)
if (m_trackers.keys().contains(gt.when)) {
qDebug() << "already have a fix at time stamp" << gt.when;
replaceFixToStorage(gt);
} else {
addFixToStorage(gt);
}
}
} else {
qDebug() << "network error" << reply->error() << reply->errorString() << reply->readAll();
}
} else {
qDebug() << "download timed out";
status("Download from server timed out");
}
reply->deleteLater();
}
|