2 Situare - A location system for Facebook
3 Copyright (C) 2010 Ixonos Plc. Authors:
5 Henri Lampela - henri.lampela@ixonos.com
6 Sami Rämö - sami.ramo@ixonos.com
8 Situare is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License
10 version 2 as published by the Free Software Foundation.
12 Situare is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Situare; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
23 #include <qjson/parser.h>
26 #include <QNetworkReply>
28 #include <QStringList>
29 #include <QtAlgorithms>
33 #include "network/networkaccessmanager.h"
34 #include "situarecommon.h"
35 #include "ui/avatarimage.h"
37 #include "situareservice.h"
39 SituareService::SituareService(QObject *parent)
43 qDebug() << __PRETTY_FUNCTION__;
45 m_networkManager = new NetworkAccessManager(this);
46 connect(m_networkManager, SIGNAL(finished(QNetworkReply*)),
47 this, SLOT(requestFinished(QNetworkReply*)), Qt::QueuedConnection);
49 m_imageFetcher = new ImageFetcher(new NetworkAccessManager(this), this);
50 connect(this, SIGNAL(fetchImage(QUrl)),
51 m_imageFetcher, SLOT(fetchImage(QUrl)));
52 connect(m_imageFetcher, SIGNAL(imageReceived(QUrl,QPixmap)),
53 this, SLOT(imageReceived(QUrl, QPixmap)));
54 connect(m_imageFetcher, SIGNAL(error(int, int)),
55 this, SIGNAL(error(int, int)));
58 SituareService::~SituareService()
60 qDebug() << __PRETTY_FUNCTION__;
67 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
68 m_friendsList.clear();
71 void SituareService::addProfileImages(const QList<QUrl> &imageUrlList)
73 qDebug() << __PRETTY_FUNCTION__;
75 foreach(QUrl url, imageUrlList) {
80 void SituareService::appendAccessToken(QString &requestUrl)
82 qWarning() << __PRETTY_FUNCTION__;
84 requestUrl.append(m_session);
87 void SituareService::buildRequest(const QString &script, const QHash<QString, QString> ¶meters)
89 qWarning() << __PRETTY_FUNCTION__;
91 const QString PARAMETER_KEY_API = "api";
92 const QString PARAMETER_VALUE_API = "2.0";
94 QString url = SITUARE_URL;
98 // append default api version parameter if not yet specified
99 // if (!parameters.contains(PARAMETER_KEY_API))
100 // url.append(PARAMETER_KEY_API + "=" + PARAMETER_VALUE_API + "&");
103 if (!parameters.isEmpty()) {
104 QHash<QString, QString>::const_iterator i = parameters.constBegin();
105 while (i != parameters.constEnd()) {
108 url.append(i.value());
114 /// @todo BUG: Url parameter strings are not url escaped
116 // qWarning() << __PRETTY_FUNCTION__ << "request url with parameters:" << url;
118 if (!m_session.isEmpty()) {
119 appendAccessToken(url);
122 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
126 void SituareService::clearUserData()
128 qDebug() << __PRETTY_FUNCTION__;
130 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
131 m_friendsList.clear();
137 emit userDataChanged(m_user, m_friendsList);
140 QString SituareService::degreesToString(double degrees)
142 qDebug() << __PRETTY_FUNCTION__;
144 // one scene pixel is about 5.4e-6 degrees, the integer part is max three digits and one
145 // additional digit is added for maximum precision
146 const int PRECISION = 10;
148 return QString::number(degrees, 'f', PRECISION);
151 void SituareService::fetchLocations()
153 qDebug() << __PRETTY_FUNCTION__;
155 QHash<QString, QString> parameters;
156 parameters.insert("extra_user_data", NORMAL_SIZE_PROFILE_IMAGE);
158 buildRequest(GET_LOCATIONS, parameters);
161 void SituareService::imageReceived(const QUrl &url, const QPixmap &image)
163 qDebug() << __PRETTY_FUNCTION__;
164 qDebug() << "Image URL: " << url << " size :" << image.size();
166 // assign facebook silhouette image to all who doesn't have a profile image
167 if(url == QUrl(SILHOUETTE_URL)) {
168 if(m_user->profileImageUrl().isEmpty()) {
169 m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
170 emit imageReady(m_user);
172 foreach(User *friendItem, m_friendsList) {
173 if(friendItem->profileImageUrl().isEmpty()) {
174 friendItem->setProfileImage(AvatarImage::create(image, AvatarImage::Small));
175 emit imageReady(friendItem);
180 if (m_user->profileImageUrl() == url) {
181 m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
182 emit imageReady(m_user);
185 foreach(User *friendItem, m_friendsList) {
186 if(friendItem->profileImageUrl() == url) {
187 friendItem->setProfileImage(AvatarImage::create(image, AvatarImage::Small));
188 emit imageReady(friendItem);
193 void SituareService::parseUserData(const QByteArray &jsonReply)
195 qDebug() << __PRETTY_FUNCTION__;
197 m_defaultImage = false;
199 QJson::Parser parser;
202 QVariantMap result = parser.parse (jsonReply, &ok).toMap();
204 emit error(ErrorContext::SITUARE, SituareError::INVALID_JSON);
208 if(result.contains("ErrorCode")) {
209 QVariant errorVariant = result.value("ErrorCode");
210 emit error(ErrorContext::SITUARE, errorVariant.toInt());
212 } else if(result.contains("user")) {
214 QVariant userVariant = result.value("user");
215 QMap<QString, QVariant> userMap = userVariant.toMap();
217 GeoCoordinate coordinates(userMap["latitude"].toReal(), userMap["longitude"].toReal());
219 QUrl imageUrl = userMap[NORMAL_SIZE_PROFILE_IMAGE].toUrl();
221 if(imageUrl.isEmpty()) {
222 // user doesn't have profile image, so we need to get him a silhouette image
223 m_defaultImage = true;
226 QString address = userMap["address"].toString();
227 if(address.isEmpty()) {
228 QStringList location;
229 location.append(QString::number(coordinates.latitude()));
230 location.append(QString::number(coordinates.longitude()));
231 address = location.join(", ");
234 User user = User(address, coordinates, userMap["name"].toString(),
235 userMap["note"].toString(), imageUrl, userMap["timestamp"].toString(),
236 true, userMap["uid"].toString());
238 QList<User> tmpFriendsList;
240 foreach (QVariant friendsVariant, result["friends"].toList()) {
241 QMap<QString, QVariant> friendMap = friendsVariant.toMap();
242 QVariant distance = friendMap["distance"];
243 QMap<QString, QVariant> distanceMap = distance.toMap();
245 GeoCoordinate coordinates(friendMap["latitude"].toReal(),friendMap["longitude"].toReal());
247 QUrl imageUrl = friendMap["profile_pic"].toUrl();
249 if(imageUrl.isEmpty()) {
250 // friend doesn't have profile image, so we need to get him a silhouette image
251 m_defaultImage = true;
254 QString address = friendMap["address"].toString();
255 if(address.isEmpty()) {
256 QStringList location;
257 location.append(QString::number(coordinates.latitude()));
258 location.append(QString::number(coordinates.longitude()));
259 address = location.join(", ");
262 User buddy = User(address, coordinates, friendMap["name"].toString(),
263 friendMap["note"].toString(), imageUrl,
264 friendMap["timestamp"].toString(),
265 false, friendMap["uid"].toString(), distanceMap["units"].toString(),
266 distanceMap["value"].toDouble());
268 tmpFriendsList.append(buddy);
271 QList<QUrl> imageUrlList; // url list for images
273 // set unchanged profile images or add new images to imageUrlList for downloading
275 if(m_user->profileImageUrl() != user.profileImageUrl()) {
276 if(!user.profileImageUrl().isEmpty())
277 imageUrlList.append(user.profileImageUrl());
279 user.setProfileImage(m_user->profileImage());
282 if(!user.profileImageUrl().isEmpty())
283 imageUrlList.append(user.profileImageUrl());
286 // clear old user object
292 // create new user object from temporary user object
293 m_user = new User(user);
295 // set unchanged profile images or add new images to imageUrlList for downloading
296 if(!m_friendsList.isEmpty()) {
297 foreach(User tmpBuddy, tmpFriendsList) {
298 if(!tmpBuddy.profileImageUrl().isEmpty()) {
300 foreach(User *buddy, m_friendsList) {
301 if(tmpBuddy.profileImageUrl() == buddy->profileImageUrl()) {
302 tmpBuddy.setProfileImage(buddy->profileImage());
307 if(!found && !tmpBuddy.profileImageUrl().isEmpty())
308 imageUrlList.append(tmpBuddy.profileImageUrl());
312 foreach(User buddy, tmpFriendsList) {
313 if(!buddy.profileImageUrl().isEmpty())
314 imageUrlList.append(buddy.profileImageUrl());
318 // clear old friendlist
319 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
320 m_friendsList.clear();
322 // populate new friendlist with temporary friendlist's data
323 foreach(User tmpFriendItem, tmpFriendsList) {
324 User *friendItem = new User(tmpFriendItem);
325 m_friendsList.append(friendItem);
327 tmpFriendsList.clear();
329 emit userDataChanged(m_user, m_friendsList);
331 // set silhouette image to imageUrlList for downloading
333 imageUrlList.append(QUrl(SILHOUETTE_URL));
335 addProfileImages(imageUrlList);
336 imageUrlList.clear();
338 QVariant address = result.value("address");
339 if(!address.toString().isEmpty()) {
340 emit reverseGeoReady(address.toString());
342 QStringList coordinates;
343 coordinates.append(result.value("lat").toString());
344 coordinates.append(result.value("lon").toString());
346 emit error(ErrorContext::SITUARE, SituareError::ADDRESS_RETRIEVAL_FAILED);
347 emit reverseGeoReady(coordinates.join(", "));
353 void SituareService::requestFinished(QNetworkReply *reply)
355 qDebug() << __PRETTY_FUNCTION__;
358 if (m_currentRequests.contains(reply)) {
360 qDebug() << "BytesAvailable: " << reply->bytesAvailable();
362 if (reply->error()) {
363 emit error(ErrorContext::NETWORK, reply->error());
365 QByteArray replyArray = reply->readAll();
366 qDebug() << "Reply from: " << reply->url() << "reply " << replyArray;
368 if(replyArray == ERROR_LAT.toAscii()) {
369 qDebug() << "Error: " << ERROR_LAT;
370 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
371 } else if(replyArray == ERROR_LON.toAscii()) {
372 qDebug() << "Error: " << ERROR_LON;
373 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
374 } else if(replyArray.contains(ERROR_SESSION.toAscii())) {
375 qDebug() << "Error: " << ERROR_SESSION;
376 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
377 } else if(replyArray.startsWith(OPENING_BRACE_MARK.toAscii())) {
378 qDebug() << "JSON string";
379 parseUserData(replyArray);
380 } else if(replyArray.isEmpty()) {
381 if(reply->url().toString().contains(UPDATE_LOCATION.toAscii())) {
382 emit updateWasSuccessful();
384 // session credentials are invalid
385 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
389 emit error(ErrorContext::SITUARE, SituareError::ERROR_GENERAL);
392 m_currentRequests.removeAll(reply);
393 reply->deleteLater();
397 void SituareService::reverseGeo(const GeoCoordinate &coordinates)
399 qDebug() << __PRETTY_FUNCTION__;
401 QHash<QString, QString> parameters;
402 parameters.insert("lat", degreesToString(coordinates.latitude()));
403 parameters.insert("lon", degreesToString(coordinates.longitude()));
404 parameters.insert("format", "json");
406 buildRequest(REVERSE_GEO, parameters);
409 void SituareService::sendRequest(const QString &requestUrl)
411 qWarning() << __PRETTY_FUNCTION__ << "requestUrl" << requestUrl;
413 // make and send the request
414 QNetworkRequest request;
415 request.setUrl(QUrl(requestUrl));
416 request.setAttribute(QNetworkRequest::CacheSaveControlAttribute, false);
417 QNetworkReply *reply = m_networkManager->get(request, true);
418 m_currentRequests.append(reply);
421 void SituareService::updateSession(const QString &session)
423 qWarning() << __PRETTY_FUNCTION__;
427 if (m_session.isEmpty())
431 void SituareService::updateLocation(const GeoCoordinate &coordinates, const QString &status,
434 qDebug() << __PRETTY_FUNCTION__;
436 QHash<QString, QString> parameters;
437 parameters.insert("lat", degreesToString(coordinates.latitude()));
438 parameters.insert("lon", degreesToString(coordinates.longitude()));
439 parameters.insert("publish", publish ? "true" : "false");
440 parameters.insert("data", status); ///< @todo if !empty ???
442 buildRequest(UPDATE_LOCATION, parameters);