subsurface/qt-mobile/qmlmanager.cpp
Dirk Hohndel a26eda9700 QML UI: show better message about dive list at start
Now the message should make more sense. First it tells you that it's looking
for dives. Then you get some progress during the git download, and error
messages if things failed.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-12-15 13:33:53 -08:00

445 lines
11 KiB
C++

#include "qmlmanager.h"
#include <QUrl>
#include <QSettings>
#include <QDebug>
#include <QNetworkAccessManager>
#include <QAuthenticator>
#include "qt-models/divelistmodel.h"
#include "divelist.h"
#include "pref.h"
#include "qthelper.h"
#include "qt-gui.h"
#include "git-access.h"
QMLManager *QMLManager::m_instance = NULL;
static void appendTextToLogStandalone(const char *text)
{
QMLManager *mgr = QMLManager::instance();
if (mgr)
mgr->appendTextToLog(QString(text));
}
extern "C" int gitProgressCB(int percent)
{
static int lastPercent = -10;
if (percent - lastPercent >= 10) {
lastPercent += 10;
QMLManager *mgr = QMLManager::instance();
if (mgr)
mgr->loadDiveProgress(percent);
}
// return 0 so that we don't end the download
return 0;
}
QMLManager::QMLManager() :
m_locationServiceEnabled(false),
reply(0),
mgr(0)
{
m_instance = this;
m_startPageText = tr("Searching for dive data");
// create location manager service
locationProvider = new GpsLocation(&appendTextToLogStandalone, this);
set_git_update_cb(&gitProgressCB);
}
void QMLManager::finishSetup()
{
// Initialize cloud credentials.
setCloudUserName(prefs.cloud_storage_email);
setCloudPassword(prefs.cloud_storage_password);
setSaveCloudPassword(prefs.save_password_local);
// if the cloud credentials are valid, we should get the GPS Webservice ID as well
if (!same_string(prefs.cloud_storage_email, "") &&
!same_string(prefs.cloud_storage_password, ""))
tryRetrieveDataFromBackend();
else
m_startPageText = "No recorded dives found. You can download your dives to this device from the Subsurface cloud storage service, from your dive computer, or add them manually.";
setDistanceThreshold(prefs.distance_threshold);
setTimeThreshold(prefs.time_threshold / 60);
}
QMLManager::~QMLManager()
{
m_instance = NULL;
}
QMLManager *QMLManager::instance()
{
return m_instance;
}
void QMLManager::savePreferences()
{
QSettings s;
s.beginGroup("LocationService");
s.setValue("time_threshold", timeThreshold() * 60);
prefs.time_threshold = timeThreshold() * 60;
s.setValue("distance_threshold", distanceThreshold());
prefs.distance_threshold = distanceThreshold();
s.sync();
}
#define CLOUDURL QString(prefs.cloud_base_url)
#define CLOUDREDIRECTURL CLOUDURL + "/cgi-bin/redirect.pl"
void QMLManager::saveCloudCredentials()
{
QSettings s;
bool cloudCredentialsChanged = false;
s.beginGroup("CloudStorage");
s.setValue("email", cloudUserName());
s.setValue("save_password_local", saveCloudPassword());
if (saveCloudPassword())
s.setValue("password", cloudPassword());
s.sync();
if (!same_string(prefs.cloud_storage_email, qPrintable(cloudUserName()))) {
free(prefs.cloud_storage_email);
prefs.cloud_storage_email = strdup(qPrintable(cloudUserName()));
cloudCredentialsChanged = true;
}
if (saveCloudPassword() != prefs.save_password_local)
prefs.save_password_local = saveCloudPassword();
cloudCredentialsChanged |= !same_string(prefs.cloud_storage_password, qPrintable(cloudPassword()));
if (saveCloudPassword()) {
if (!same_string(prefs.cloud_storage_password, qPrintable(cloudPassword()))) {
free(prefs.cloud_storage_password);
prefs.cloud_storage_password = strdup(qPrintable(cloudPassword()));
}
}
if (cloudCredentialsChanged) {
free(prefs.userid);
prefs.userid = NULL;
tryRetrieveDataFromBackend();
}
}
void QMLManager::checkCredentialsAndExecute(execute_function_type execute)
{
// if the cloud credentials are present, we should try to get the GPS Webservice ID
// and (if we haven't done so) load the dive list
if (!same_string(prefs.cloud_storage_email, "") &&
!same_string(prefs.cloud_storage_password, "")) {
appendTextToLog("Have credentials, let's see if they are valid");
if (!mgr)
mgr = new QNetworkAccessManager(this);
connect(mgr, &QNetworkAccessManager::authenticationRequired, this, &QMLManager::provideAuth, Qt::UniqueConnection);
connect(mgr, &QNetworkAccessManager::finished, this, execute, Qt::UniqueConnection);
QUrl url(CLOUDREDIRECTURL);
request = QNetworkRequest(url);
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
request.setRawHeader("Accept", "text/html");
reply = mgr->get(request);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(handleError(QNetworkReply::NetworkError)));
connect(reply, &QNetworkReply::sslErrors, this, &QMLManager::handleSslErrors);
}
}
void QMLManager::tryRetrieveDataFromBackend()
{
checkCredentialsAndExecute(&QMLManager::retrieveUserid);
}
void QMLManager::loadDives()
{
checkCredentialsAndExecute(&QMLManager::loadDivesWithValidCredentials);
}
void QMLManager::provideAuth(QNetworkReply *reply, QAuthenticator *auth)
{
if (auth->user() == QString(prefs.cloud_storage_email) &&
auth->password() == QString(prefs.cloud_storage_password)) {
// OK, credentials have been tried and didn't work, so they are invalid
appendTextToLog("Cloud credentials are invalid");
reply->disconnect();
reply->abort();
reply->deleteLater();
return;
}
auth->setUser(prefs.cloud_storage_email);
auth->setPassword(prefs.cloud_storage_password);
}
void QMLManager::handleSslErrors(const QList<QSslError> &errors)
{
setStartPageText(tr("Cannot open cloud storage: Error creating https connection"));
Q_FOREACH(QSslError e, errors) {
qDebug() << e.errorString();
}
reply->abort();
reply->deleteLater();
}
void QMLManager::handleError(QNetworkReply::NetworkError nError)
{
QString errorString = reply->errorString();
qDebug() << "handleError" << nError << errorString;
setStartPageText(tr("Cannot open cloud storage: %1").arg(errorString));
reply->abort();
reply->deleteLater();
}
void QMLManager::retrieveUserid()
{
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) != 302) {
appendTextToLog(QString("Cloud storage connection not working correctly: ") + reply->readAll());
return;
}
QString userid(prefs.userid);
if (userid.isEmpty())
userid = locationProvider->getUserid(prefs.cloud_storage_email, prefs.cloud_storage_password);
if (!userid.isEmpty()) {
// overwrite the existing userid
free(prefs.userid);
prefs.userid = strdup(qPrintable(userid));
QSettings s;
s.setValue("subsurface_webservice_uid", prefs.userid);
s.sync();
}
if (!loadFromCloud())
loadDivesWithValidCredentials();
}
void QMLManager::loadDiveProgress(int percent)
{
QString text(tr("Loading dive list from cloud storage."));
while(percent > 0) {
text.append(".");
percent -= 10;
}
setStartPageText(text);
}
void QMLManager::loadDivesWithValidCredentials()
{
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) != 302) {
appendTextToLog(QString("Cloud storage connection not working correctly: ") + reply->readAll());
setStartPageText(tr("Cannot connect to cloud storage"));
return;
}
appendTextToLog("Cloud credentials valid, loading dives...");
loadDiveProgress(0);
QString url;
if (getCloudURL(url)) {
QString errorString(get_error_string());
appendTextToLog(errorString);
setStartPageText(tr("Cloud storage error: %1").arg(errorString));
return;
}
clear_dive_file_data();
QByteArray fileNamePrt = QFile::encodeName(url);
int error = parse_file(fileNamePrt.data());
if (!error) {
report_error("filename is now %s", fileNamePrt.data());
const char *error_string = get_error_string();
appendTextToLog(error_string);
set_filename(fileNamePrt.data(), true);
} else {
report_error("failed to open file %s", fileNamePrt.data());
QString errorString(get_error_string());
appendTextToLog(errorString);
setStartPageText(tr("Cloud storage error: %1").arg(errorString));
return;
}
process_dives(false, false);
int i;
struct dive *d;
DiveListModel::instance()->clear();
for_each_dive(i, d) {
DiveListModel::instance()->addDive(d);
}
appendTextToLog(QString("%1 dives loaded").arg(i));
if (dive_table.nr == 0)
setStartPageText(tr("Cloud storage open successfully. No dives in dive list."));
setLoadFromCloud(true);
}
void QMLManager::commitChanges(QString diveId, QString suit, QString buddy, QString diveMaster, QString notes)
{
struct dive *d = get_dive_by_uniq_id(diveId.toInt());
bool diveChanged = false;
if (!same_string(d->suit, suit.toUtf8().data())) {
diveChanged = true;
free(d->suit);
d->suit = strdup(suit.toUtf8().data());
}
if (!same_string(d->buddy, buddy.toUtf8().data())) {
diveChanged = true;
free(d->buddy);
d->buddy = strdup(buddy.toUtf8().data());
}
if (!same_string(d->divemaster, diveMaster.toUtf8().data())) {
diveChanged = true;
free(d->divemaster);
d->divemaster = strdup(diveMaster.toUtf8().data());
}
if (!same_string(d->notes, notes.toUtf8().data())) {
diveChanged = true;
free(d->notes);
d->notes = strdup(notes.toUtf8().data());
}
if (diveChanged) {
DiveListModel::instance()->updateDive(d);
mark_divelist_changed(true);
}
}
void QMLManager::saveChanges()
{
if (!loadFromCloud()) {
appendTextToLog("Don't save dives without loading from the cloud, first.");
return;
}
appendTextToLog("Saving dives.");
QString fileName;
if (getCloudURL(fileName)) {
appendTextToLog(get_error_string());
return;
}
if (save_dives(fileName.toUtf8().data())) {
appendTextToLog(get_error_string());
return;
}
appendTextToLog("Dive saved.");
set_filename(fileName.toUtf8().data(), true);
mark_divelist_changed(false);
}
void QMLManager::addDive()
{
appendTextToLog("Adding new dive.");
DiveListModel::instance()->startAddDive();
}
void QMLManager::applyGpsData()
{
locationProvider->applyLocations();
}
void QMLManager::sendGpsData()
{
locationProvider->uploadToServer();
}
void QMLManager::clearGpsData()
{
locationProvider->clearGpsData();
}
QString QMLManager::logText() const
{
QString logText = m_logText + QString("\nNumer of GPS fixes: %1").arg(locationProvider->getGpsNum());
return logText;
}
void QMLManager::setLogText(const QString &logText)
{
m_logText = logText;
emit logTextChanged();
}
void QMLManager::appendTextToLog(const QString &newText)
{
m_logText += "\n" + newText;
emit logTextChanged();
}
bool QMLManager::saveCloudPassword() const
{
return m_saveCloudPassword;
}
void QMLManager::setSaveCloudPassword(bool saveCloudPassword)
{
m_saveCloudPassword = saveCloudPassword;
}
bool QMLManager::locationServiceEnabled() const
{
return m_locationServiceEnabled;
}
void QMLManager::setLocationServiceEnabled(bool locationServiceEnabled)
{
m_locationServiceEnabled = locationServiceEnabled;
locationProvider->serviceEnable(m_locationServiceEnabled);
}
QString QMLManager::cloudPassword() const
{
return m_cloudPassword;
}
void QMLManager::setCloudPassword(const QString &cloudPassword)
{
m_cloudPassword = cloudPassword;
emit cloudPasswordChanged();
}
QString QMLManager::cloudUserName() const
{
return m_cloudUserName;
}
void QMLManager::setCloudUserName(const QString &cloudUserName)
{
m_cloudUserName = cloudUserName;
emit cloudUserNameChanged();
}
int QMLManager::distanceThreshold() const
{
return m_distanceThreshold;
}
void QMLManager::setDistanceThreshold(int distance)
{
m_distanceThreshold = distance;
emit distanceThresholdChanged();
}
int QMLManager::timeThreshold() const
{
return m_timeThreshold;
}
void QMLManager::setTimeThreshold(int time)
{
m_timeThreshold = time;
emit timeThresholdChanged();
}
bool QMLManager::loadFromCloud() const
{
return m_loadFromCloud;
}
void QMLManager::setLoadFromCloud(bool done)
{
m_loadFromCloud = done;
emit loadFromCloudChanged();
}
QString QMLManager::startPageText() const
{
return m_startPageText;
}
void QMLManager::setStartPageText(QString text)
{
m_startPageText = text;
emit startPageTextChanged();
}