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 // qWarning() << __PRETTY_FUNCTION__ << "request url with parameters:" << url;
116 if (!m_session.isEmpty()) {
117 appendAccessToken(url);
120 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
124 void SituareService::clearUserData()
126 qDebug() << __PRETTY_FUNCTION__;
128 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
129 m_friendsList.clear();
135 emit userDataChanged(m_user, m_friendsList);
138 QString SituareService::degreesToString(double degrees)
140 qDebug() << __PRETTY_FUNCTION__;
142 // one scene pixel is about 5.4e-6 degrees, the integer part is max three digits and one
143 // additional digit is added for maximum precision
144 const int PRECISION = 10;
146 return QString::number(degrees, 'f', PRECISION);
149 void SituareService::fetchLocations()
151 qDebug() << __PRETTY_FUNCTION__;
153 QHash<QString, QString> parameters;
154 parameters.insert("extra_user_data", NORMAL_SIZE_PROFILE_IMAGE);
156 buildRequest(GET_LOCATIONS, parameters);
159 void SituareService::imageReceived(const QUrl &url, const QPixmap &image)
161 qDebug() << __PRETTY_FUNCTION__;
162 qDebug() << "Image URL: " << url << " size :" << image.size();
164 // assign facebook silhouette image to all who doesn't have a profile image
165 if(url == QUrl(SILHOUETTE_URL)) {
166 if(m_user->profileImageUrl().isEmpty()) {
167 m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
168 emit imageReady(m_user);
170 foreach(User *friendItem, m_friendsList) {
171 if(friendItem->profileImageUrl().isEmpty()) {
172 friendItem->setProfileImage(AvatarImage::create(image, AvatarImage::Small));
173 emit imageReady(friendItem);
178 if (m_user->profileImageUrl() == url) {
179 m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
180 emit imageReady(m_user);
183 foreach(User *friendItem, m_friendsList) {
184 if(friendItem->profileImageUrl() == url) {
185 friendItem->setProfileImage(AvatarImage::create(image, AvatarImage::Small));
186 emit imageReady(friendItem);
191 void SituareService::parseUserData(const QByteArray &jsonReply)
193 qDebug() << __PRETTY_FUNCTION__;
195 m_defaultImage = false;
197 QJson::Parser parser;
200 QVariantMap result = parser.parse (jsonReply, &ok).toMap();
202 emit error(ErrorContext::SITUARE, SituareError::INVALID_JSON);
206 if(result.contains("ErrorCode")) {
207 QVariant errorVariant = result.value("ErrorCode");
208 emit error(ErrorContext::SITUARE, errorVariant.toInt());
210 } else if(result.contains("user")) {
212 QVariant userVariant = result.value("user");
213 QMap<QString, QVariant> userMap = userVariant.toMap();
215 GeoCoordinate coordinates(userMap["latitude"].toReal(), userMap["longitude"].toReal());
217 QUrl imageUrl = userMap[NORMAL_SIZE_PROFILE_IMAGE].toUrl();
219 if(imageUrl.isEmpty()) {
220 // user doesn't have profile image, so we need to get him a silhouette image
221 m_defaultImage = true;
224 QString address = userMap["address"].toString();
225 if(address.isEmpty()) {
226 QStringList location;
227 location.append(QString::number(coordinates.latitude()));
228 location.append(QString::number(coordinates.longitude()));
229 address = location.join(", ");
232 User user = User(address, coordinates, userMap["name"].toString(),
233 userMap["note"].toString(), imageUrl, userMap["timestamp"].toString(),
234 true, userMap["uid"].toString());
236 QList<User> tmpFriendsList;
238 foreach (QVariant friendsVariant, result["friends"].toList()) {
239 QMap<QString, QVariant> friendMap = friendsVariant.toMap();
240 QVariant distance = friendMap["distance"];
241 QMap<QString, QVariant> distanceMap = distance.toMap();
243 GeoCoordinate coordinates(friendMap["latitude"].toReal(),friendMap["longitude"].toReal());
245 QUrl imageUrl = friendMap["profile_pic"].toUrl();
247 if(imageUrl.isEmpty()) {
248 // friend doesn't have profile image, so we need to get him a silhouette image
249 m_defaultImage = true;
252 QString address = friendMap["address"].toString();
253 if(address.isEmpty()) {
254 QStringList location;
255 location.append(QString::number(coordinates.latitude()));
256 location.append(QString::number(coordinates.longitude()));
257 address = location.join(", ");
260 User buddy = User(address, coordinates, friendMap["name"].toString(),
261 friendMap["note"].toString(), imageUrl,
262 friendMap["timestamp"].toString(),
263 false, friendMap["uid"].toString(), distanceMap["units"].toString(),
264 distanceMap["value"].toDouble());
266 tmpFriendsList.append(buddy);
269 QList<QUrl> imageUrlList; // url list for images
271 // set unchanged profile images or add new images to imageUrlList for downloading
273 if(m_user->profileImageUrl() != user.profileImageUrl()) {
274 if(!user.profileImageUrl().isEmpty())
275 imageUrlList.append(user.profileImageUrl());
277 user.setProfileImage(m_user->profileImage());
280 if(!user.profileImageUrl().isEmpty())
281 imageUrlList.append(user.profileImageUrl());
284 // clear old user object
290 // create new user object from temporary user object
291 m_user = new User(user);
293 // set unchanged profile images or add new images to imageUrlList for downloading
294 if(!m_friendsList.isEmpty()) {
295 foreach(User tmpBuddy, tmpFriendsList) {
296 if(!tmpBuddy.profileImageUrl().isEmpty()) {
298 foreach(User *buddy, m_friendsList) {
299 if(tmpBuddy.profileImageUrl() == buddy->profileImageUrl()) {
300 tmpBuddy.setProfileImage(buddy->profileImage());
305 if(!found && !tmpBuddy.profileImageUrl().isEmpty())
306 imageUrlList.append(tmpBuddy.profileImageUrl());
310 foreach(User buddy, tmpFriendsList) {
311 if(!buddy.profileImageUrl().isEmpty())
312 imageUrlList.append(buddy.profileImageUrl());
316 // clear old friendlist
317 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
318 m_friendsList.clear();
320 // populate new friendlist with temporary friendlist's data
321 foreach(User tmpFriendItem, tmpFriendsList) {
322 User *friendItem = new User(tmpFriendItem);
323 m_friendsList.append(friendItem);
325 tmpFriendsList.clear();
327 emit userDataChanged(m_user, m_friendsList);
329 // set silhouette image to imageUrlList for downloading
331 imageUrlList.append(QUrl(SILHOUETTE_URL));
333 addProfileImages(imageUrlList);
334 imageUrlList.clear();
336 QVariant address = result.value("address");
337 if(!address.toString().isEmpty()) {
338 emit reverseGeoReady(address.toString());
340 QStringList coordinates;
341 coordinates.append(result.value("lat").toString());
342 coordinates.append(result.value("lon").toString());
344 emit error(ErrorContext::SITUARE, SituareError::ADDRESS_RETRIEVAL_FAILED);
345 emit reverseGeoReady(coordinates.join(", "));
351 void SituareService::requestFinished(QNetworkReply *reply)
353 qDebug() << __PRETTY_FUNCTION__;
356 if (m_currentRequests.contains(reply)) {
358 qDebug() << "BytesAvailable: " << reply->bytesAvailable();
360 if (reply->error()) {
361 emit error(ErrorContext::NETWORK, reply->error());
363 QByteArray replyArray = reply->readAll();
364 qDebug() << "Reply from: " << reply->url() << "reply " << replyArray;
366 if(replyArray == ERROR_LAT.toAscii()) {
367 qDebug() << "Error: " << ERROR_LAT;
368 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
369 } else if(replyArray == ERROR_LON.toAscii()) {
370 qDebug() << "Error: " << ERROR_LON;
371 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
372 } else if(replyArray.contains(ERROR_SESSION.toAscii())) {
373 qDebug() << "Error: " << ERROR_SESSION;
374 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
375 } else if(replyArray.startsWith(OPENING_BRACE_MARK.toAscii())) {
376 qDebug() << "JSON string";
377 parseUserData(replyArray);
378 } else if(replyArray.isEmpty()) {
379 if(reply->url().toString().contains(UPDATE_LOCATION.toAscii())) {
380 emit updateWasSuccessful();
382 // session credentials are invalid
383 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
387 emit error(ErrorContext::SITUARE, SituareError::ERROR_GENERAL);
390 m_currentRequests.removeAll(reply);
391 reply->deleteLater();
395 void SituareService::reverseGeo(const GeoCoordinate &coordinates)
397 qDebug() << __PRETTY_FUNCTION__;
399 QHash<QString, QString> parameters;
400 parameters.insert("lat", degreesToString(coordinates.latitude()));
401 parameters.insert("lon", degreesToString(coordinates.longitude()));
402 parameters.insert("format", "json");
404 buildRequest(REVERSE_GEO, parameters);
407 void SituareService::sendRequest(const QString &requestUrl)
409 qWarning() << __PRETTY_FUNCTION__ << "requestUrl" << requestUrl;
411 // make and send the request
412 QNetworkRequest request;
413 request.setUrl(QUrl(requestUrl));
414 request.setAttribute(QNetworkRequest::CacheSaveControlAttribute, false);
415 QNetworkReply *reply = m_networkManager->get(request, true);
416 m_currentRequests.append(reply);
419 void SituareService::updateSession(const QString &session)
421 qWarning() << __PRETTY_FUNCTION__;
425 if (m_session.isEmpty())
429 void SituareService::updateLocation(const GeoCoordinate &coordinates, const QString &status,
432 qDebug() << __PRETTY_FUNCTION__;
434 QHash<QString, QString> parameters;
435 parameters.insert("lat", degreesToString(coordinates.latitude()));
436 parameters.insert("lon", degreesToString(coordinates.longitude()));
437 parameters.insert("publish", publish ? "true" : "false");
438 parameters.insert("data", status); ///< @todo if !empty ???
440 buildRequest(UPDATE_LOCATION, parameters);