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 <QtNetwork/QNetworkReply>
28 #include <QStringList>
29 #include <QtAlgorithms>
34 #include "network/networkaccessmanager.h"
35 #include "situarecommon.h"
36 #include "ui/avatarimage.h"
38 #include "situareservice.h"
40 SituareService::SituareService(NetworkAccessManager *networkManager, ImageFetcher *imageFetcher,
45 qDebug() << __PRETTY_FUNCTION__;
47 m_networkManager = networkManager;
48 connect(m_networkManager, SIGNAL(finished(QNetworkReply*)),
49 this, SLOT(requestFinished(QNetworkReply*)), Qt::QueuedConnection);
51 m_imageFetcher = imageFetcher;
52 connect(this, SIGNAL(fetchImage(QString, QUrl)),
53 m_imageFetcher, SLOT(fetchImage(QString, QUrl)));
54 connect(m_imageFetcher, SIGNAL(imageReceived(QString,QPixmap)),
55 this, SLOT(imageReceived(QString,QPixmap)));
56 connect(m_imageFetcher, SIGNAL(error(int, int)),
57 this, SIGNAL(error(int, int)));
59 m_database = new Database(this);
60 m_database->openDatabase();
61 m_database->createNotificationTable();
62 m_database->createUserTable();
63 m_database->createTagTable();
64 m_database->createUserTagTable();
67 SituareService::~SituareService()
69 qDebug() << __PRETTY_FUNCTION__;
76 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
77 m_friendsList.clear();
80 void SituareService::addProfileImages(const QHash<QString, QUrl> &imageUrlList)
82 qDebug() << __PRETTY_FUNCTION__;
84 QHashIterator<QString, QUrl> imageUrlListIterator(imageUrlList);
86 while (imageUrlListIterator.hasNext()) {
87 imageUrlListIterator.next();
88 emit fetchImage(imageUrlListIterator.key(), imageUrlListIterator.value());
92 void SituareService::addTags(const QStringList &tags)
94 qDebug() << __PRETTY_FUNCTION__;
96 QHash<QString, QString> parameters;
97 parameters.insert("tags", tags.join(","));
99 buildRequest(ADD_TAGS, parameters);
102 void SituareService::appendAccessToken(QString &requestUrl)
104 qDebug() << __PRETTY_FUNCTION__;
106 requestUrl.append(m_session);
109 void SituareService::buildRequest(const QString &script, const QHash<QString, QString> ¶meters)
111 qDebug() << __PRETTY_FUNCTION__;
113 const QString PARAMETER_KEY_API = "api";
114 const QString PARAMETER_VALUE_API = "2.0";
116 QString url = SITUARE_URL;
120 // append default api version parameter if not yet specified
121 if (!parameters.contains(PARAMETER_KEY_API))
122 url.append(PARAMETER_KEY_API + "=" + PARAMETER_VALUE_API + "&");
125 if (!parameters.isEmpty()) {
126 QHash<QString, QString>::const_iterator i = parameters.constBegin();
127 while (i != parameters.constEnd()) {
130 url.append(i.value());
136 /// @todo BUG: Url parameter strings are not url escaped
138 // qWarning() << __PRETTY_FUNCTION__ << "request url with parameters:" << url;
140 if (!m_session.isEmpty()) {
141 appendAccessToken(url);
144 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
148 void SituareService::clearUserData()
150 qDebug() << __PRETTY_FUNCTION__;
152 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
153 m_friendsList.clear();
159 emit userDataChanged(m_user, m_friendsList);
162 QString SituareService::degreesToString(double degrees)
164 qDebug() << __PRETTY_FUNCTION__;
166 // one scene pixel is about 5.4e-6 degrees, the integer part is max three digits and one
167 // additional digit is added for maximum precision
168 const int PRECISION = 10;
170 return QString::number(degrees, 'f', PRECISION);
173 void SituareService::fetchMessages()
175 qDebug() << __PRETTY_FUNCTION__;
177 buildRequest(GET_MESSAGES, QHash<QString, QString>());
180 void SituareService::fetchPeopleWithSimilarInterest(const qreal distance)
182 qDebug() << __PRETTY_FUNCTION__;
184 const int TO_KM_DIVIDER = 1000;
185 QHash<QString, QString> parameters;
186 parameters.insert("distance", degreesToString(distance / TO_KM_DIVIDER));
188 buildRequest(GET_PEOPLE_WITH_SIMILAR_INTEREST, parameters);
191 void SituareService::fetchPopularTags()
193 qDebug() << __PRETTY_FUNCTION__;
195 buildRequest(GET_POPULAR_TAGS, QHash<QString, QString>());
198 void SituareService::fetchLocations()
200 qDebug() << __PRETTY_FUNCTION__;
202 QHash<QString, QString> parameters;
203 parameters.insert("extra_user_data", NORMAL_SIZE_PROFILE_IMAGE);
205 buildRequest(GET_LOCATIONS, parameters);
208 SituareService::RequestName SituareService::getRequestName(const QUrl &url) const
210 qDebug() << __PRETTY_FUNCTION__;
212 if (url.toString().contains(GET_LOCATIONS))
213 return SituareService::RequestGetLocations;
214 else if (url.toString().contains(UPDATE_LOCATION))
215 return SituareService::RequestUpdateLocation;
216 else if (url.toString().contains(REVERSE_GEO))
217 return SituareService::RequestReverseGeo;
218 else if (url.toString().contains(GET_MESSAGES))
219 return SituareService::RequestGetMessages;
220 else if (url.toString().contains(REMOVE_MESSAGE))
221 return SituareService::RequestRemoveMessage;
222 else if (url.toString().contains(SEND_MESSAGE))
223 return SituareService::RequestSendMessage;
224 else if (url.toString().contains(GET_PEOPLE_WITH_SIMILAR_INTEREST))
225 return SituareService::RequestGetPeopleWithSimilarInterest;
226 else if (url.toString().contains(GET_POPULAR_TAGS))
227 return SituareService::RequestGetPopularTags;
228 else if (url.toString().contains(ADD_TAGS))
229 return SituareService::RequestAddTags;
231 return SituareService::RequestUnknown;
234 QHash<QString, QString> SituareService::getTags(const QString &userId)
236 qDebug() << __PRETTY_FUNCTION__;
238 return m_database->getTags(userId.toInt());
241 void SituareService::imageReceived(const QString &id, const QPixmap &image)
243 qDebug() << __PRETTY_FUNCTION__;
245 if (m_user->userId() == id)
246 emit imageReady(QString(), AvatarImage::create(image, AvatarImage::Large));
248 emit imageReady(id, AvatarImage::create(image, AvatarImage::Small));
251 void SituareService::parseInterestingPeopleData(const QVariant &interestingPeopleData)
253 qDebug() << __PRETTY_FUNCTION__;
255 QVariant people = interestingPeopleData.toMap();
260 foreach (QVariant personVariant, people.toMap().value("friends").toList()) {
262 QMap<QString, QVariant> person = personVariant.toMap();
263 user.setUserId(person["uid"].toString());
264 user.setName(person["name"].toString());
265 user.setProfileImage(AvatarImage::create(
266 QPixmap(":/res/images/empty_avatar.png"), AvatarImage::Small));
267 user.setProfileImageUrl(person["pic_square"].toUrl());
268 user.setTimestamp(person["timestamp"].toString());
269 user.setTags(person["tags"].toString());
270 user.setAddress(person["address"].toString());
271 user.setNote(person["note"].toString());
274 qreal latitude = person["lat"].toReal(&latOk);
276 qreal longitude = person["lon"].toReal(&lonOk);
278 if (latOk && lonOk) {
279 user.setCoordinates(GeoCoordinate(latitude, longitude));
281 qreal meters = person["distance"].toReal() * 1000;
291 user.setDistance(value, unit);
294 friends.append(user);
296 //Remove comment when the actual server is used
297 //emit fetchImage(user.userId(), user.profileImageUrl());
300 foreach (QVariant personVariant, people.toMap().value("others").toList()) {
302 QMap<QString, QVariant> person = personVariant.toMap();
303 user.setUserId(person["uid"].toString());
304 user.setName(person["name"].toString());
305 user.setProfileImage(AvatarImage::create(
306 QPixmap(":/res/images/empty_avatar.png"), AvatarImage::Small));
307 user.setProfileImageUrl(person["pic_square"].toUrl());
308 user.setTimestamp(person["timestamp"].toString());
309 user.setTags(person["tags"].toString());
313 emit fetchImage(user.userId(), user.profileImageUrl());
316 emit interestingPeopleReceived(friends, others);
319 void SituareService::parseReply(const QByteArray &jsonReply, RequestName requestName)
321 qDebug() << __PRETTY_FUNCTION__ << jsonReply;
323 QJson::Parser parser;
326 QVariantMap result = parser.parse(jsonReply, &ok).toMap();
329 emit error(ErrorContext::SITUARE, SituareError::INVALID_JSON);
331 QVariant resultStatus = result["ResultStatus"];
332 QVariant resultData = result["ResultData"];
334 if (resultStatus.toString() == "ERROR") {
335 QVariantMap errorData = resultData.toMap();
336 emit error(ErrorContext::SITUARE, errorData["ErrorCode"].toInt());
337 } else if (resultStatus.toString() == "OK") {
338 if (requestName == SituareService::RequestGetLocations)
339 parseUserData(resultData);
340 else if (requestName == SituareService::RequestUpdateLocation)
341 emit updateWasSuccessful(SituareService::SuccessfulUpdateLocation);
342 else if (requestName == SituareService::RequestRemoveMessage)
343 emit updateWasSuccessful(SituareService::SuccessfulRemoveMessage);
344 else if (requestName == SituareService::RequestReverseGeo)
345 parseReverseGeoData(resultData);
346 else if (requestName == SituareService::RequestGetMessages)
347 parseMessagesData(resultData);
348 else if (requestName == SituareService::RequestSendMessage)
349 emit updateWasSuccessful((SituareService::SuccessfulSendMessage));
350 else if (requestName == SituareService::RequestGetPeopleWithSimilarInterest)
351 parseInterestingPeopleData(resultData);
352 else if (requestName == SituareService::RequestGetPopularTags)
353 parsePopularTagsData(resultData);
354 else if (requestName == SituareService::RequestAddTags)
355 emit updateWasSuccessful(SituareService::SuccessfulAddTags);
360 void SituareService::parseReverseGeoData(const QVariant &reverseGeoData)
362 qDebug() << __PRETTY_FUNCTION__;
364 QVariantMap result = reverseGeoData.toMap();
366 if (result.contains("address") && !result["address"].toString().isEmpty()) {
367 emit reverseGeoReady(result["address"].toString());
369 QStringList coordinates;
370 coordinates.append(result["lat"].toString());
371 coordinates.append(result["lon"].toString());
372 emit error(ErrorContext::SITUARE, SituareError::ADDRESS_RETRIEVAL_FAILED);
373 emit reverseGeoReady(coordinates.join(", "));
377 void SituareService::parseUserData(const QVariant &userData)
379 qDebug() << __PRETTY_FUNCTION__;
381 m_defaultImage = false;
383 QVariantMap result = userData.toMap();
385 if (result.contains("user")) {
387 QVariant userVariant = result.value("user");
388 QMap<QString, QVariant> userMap = userVariant.toMap();
390 GeoCoordinate coordinates(userMap["latitude"].toReal(), userMap["longitude"].toReal());
392 QUrl imageUrl = userMap[NORMAL_SIZE_PROFILE_IMAGE].toUrl();
394 if(imageUrl.isEmpty()) {
395 // user doesn't have profile image, so we need to get him a silhouette image
396 m_defaultImage = true;
399 QString address = userMap["address"].toString();
400 if(address.isEmpty()) {
401 QStringList location;
402 location.append(QString::number(coordinates.latitude()));
403 location.append(QString::number(coordinates.longitude()));
404 address = location.join(", ");
407 User user = User(address, coordinates, userMap["name"].toString(),
408 userMap["note"].toString(), imageUrl, userMap["timestamp"].toString(),
409 true, userMap["uid"].toString());
411 if(imageUrl.isEmpty()) {
412 // user doesn't have profile image, so we need to get him a silhouette image
413 m_defaultImage = true;
414 user.setProfileImage(AvatarImage::create(
415 QPixmap(":/res/images/empty_avatar_big.png"), AvatarImage::Large));
418 QList<User> tmpFriendsList;
420 foreach (QVariant friendsVariant, result["friends"].toList()) {
421 QMap<QString, QVariant> friendMap = friendsVariant.toMap();
422 QVariant distance = friendMap["distance"];
423 QMap<QString, QVariant> distanceMap = distance.toMap();
425 GeoCoordinate coordinates(friendMap["latitude"].toReal(),friendMap["longitude"].toReal());
427 QUrl imageUrl = friendMap["profile_pic"].toUrl();
429 if(imageUrl.isEmpty()) {
430 // friend doesn't have profile image, so we need to get him a silhouette image
431 m_defaultImage = true;
434 QString address = friendMap["address"].toString();
435 if(address.isEmpty()) {
436 QStringList location;
437 location.append(QString::number(coordinates.latitude()));
438 location.append(QString::number(coordinates.longitude()));
439 address = location.join(", ");
442 User buddy = User(address, coordinates, friendMap["name"].toString(),
443 friendMap["note"].toString(), imageUrl,
444 friendMap["timestamp"].toString(),
445 false, friendMap["uid"].toString(), distanceMap["units"].toString(),
446 distanceMap["value"].toDouble());
448 if(imageUrl.isEmpty()) {
449 // friend doesn't have profile image, so we need to get him a silhouette image
450 m_defaultImage = true;
451 buddy.setProfileImage(AvatarImage::create(
452 QPixmap(":/res/images/empty_avatar.png"), AvatarImage::Small));
455 tmpFriendsList.append(buddy);
458 QHash<QString, QUrl> imageUrlList; // url list for images
460 // set unchanged profile images or add new images to imageUrlList for downloading
462 if(m_user->profileImageUrl() != user.profileImageUrl()) {
463 if(!user.profileImageUrl().isEmpty())
464 imageUrlList.insert(user.userId(), user.profileImageUrl());
466 user.setProfileImage(m_user->profileImage());
469 if(!user.profileImageUrl().isEmpty())
470 imageUrlList.insert(user.userId(), user.profileImageUrl());
473 // clear old user object
479 // create new user object from temporary user object
480 m_user = new User(user);
482 // set unchanged profile images or add new images to imageUrlList for downloading
483 if(!m_friendsList.isEmpty()) {
484 foreach(User tmpBuddy, tmpFriendsList) {
485 if(!tmpBuddy.profileImageUrl().isEmpty()) {
487 foreach(User *buddy, m_friendsList) {
488 if(tmpBuddy.profileImageUrl() == buddy->profileImageUrl()) {
489 tmpBuddy.setProfileImage(buddy->profileImage());
494 if(!found && !tmpBuddy.profileImageUrl().isEmpty())
495 imageUrlList.insert(tmpBuddy.userId(), tmpBuddy.profileImageUrl());
499 foreach(User buddy, tmpFriendsList) {
500 if(!buddy.profileImageUrl().isEmpty())
501 imageUrlList.insert(buddy.userId(), buddy.profileImageUrl());
505 // clear old friendlist
506 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
507 m_friendsList.clear();
509 // populate new friendlist with temporary friendlist's data
510 foreach(User tmpFriendItem, tmpFriendsList) {
511 User *friendItem = new User(tmpFriendItem);
512 m_friendsList.append(friendItem);
514 tmpFriendsList.clear();
516 //REMOVE WHEN NOT NEEDED! get user tags and set tags to the user
517 m_user->setTags(getTags(m_user->userId()));
519 emit userDataChanged(m_user, m_friendsList);
521 // set silhouette image to imageUrlList for downloading
523 imageUrlList.insert("", QUrl(SILHOUETTE_URL));
525 addProfileImages(imageUrlList);
526 imageUrlList.clear();
530 void SituareService::parseMessagesData(const QVariant &messagesData)
532 QVariantMap result = messagesData.toMap();
534 QList<Message> received;
537 foreach (QVariant messageVariant, result["received"].toList()) {
538 Message message(Message::MessageTypeReceived);
539 QMap<QString, QVariant> messageMap = messageVariant.toMap();
540 message.setId(messageMap["mid"].toString());
541 message.setSenderId(messageMap["sid"].toString());
542 message.setReceiverId(messageMap["rid"].toString());
543 message.setSenderName(messageMap["name"].toString());
544 uint timestampSeconds = messageMap["timestamp"].toUInt();
545 message.setTimestamp(QDateTime::fromTime_t(timestampSeconds));
546 message.setText(messageMap["message"].toString());
547 message.setImage(AvatarImage::create(
548 QPixmap(":/res/images/empty_avatar.png"), AvatarImage::Small));
551 qreal latitude = messageMap["lat"].toReal(&latOk);
553 qreal longitude = messageMap["lon"].toReal(&lonOk);
555 if (latOk && lonOk) {
556 message.setAddress(messageMap["address"].toString());
557 message.setCoordinates(GeoCoordinate(latitude, longitude));
560 received.append(message);
562 emit fetchImage(message.id(), messageMap["pic_square"].toString());
565 foreach (QVariant messageVariant, result["sent"].toList()) {
566 Message message(Message::MessageTypeSent);
567 QMap<QString, QVariant> messageMap = messageVariant.toMap();
568 message.setId(messageMap["mid"].toString());
569 message.setSenderId(messageMap["sid"].toString());
570 message.setReceiverId(messageMap["rid"].toString());
571 message.setSenderName(messageMap["name"].toString());
572 uint timestampSeconds = messageMap["timestamp"].toUInt();
573 message.setTimestamp(QDateTime::fromTime_t(timestampSeconds));
574 message.setText(messageMap["message"].toString());
575 message.setImage(AvatarImage::create(
576 QPixmap(":/res/images/empty_avatar.png"), AvatarImage::Small));
579 qreal latitude = messageMap["lat"].toReal(&latOk);
581 qreal longitude = messageMap["lon"].toReal(&lonOk);
583 if (latOk && lonOk) {
584 message.setAddress(messageMap["address"].toString());
585 message.setCoordinates(GeoCoordinate(latitude, longitude));
588 sent.append(message);
590 emit fetchImage(message.id(), messageMap["pic_square"].toString());
593 emit messagesReceived(received, sent);
596 void SituareService::parsePopularTagsData(const QVariant &popularTagsData)
598 qDebug() << __PRETTY_FUNCTION__;
600 QVariantMap result = popularTagsData.toMap();
601 QHash<QString, QString> popularTags;
603 foreach (QVariant tagVariant, result["popular_tags"].toList()) {
604 QMap<QString, QVariant> tag = tagVariant.toMap();
605 popularTags.insert(tag["tid"].toString(), tag["name"].toString());
608 emit popularTagsReceived(popularTags);
611 void SituareService::removeMessage(const QString &id)
613 qDebug() << __PRETTY_FUNCTION__;
615 QHash<QString, QString> parameters;
616 parameters.insert("mid", id);
618 buildRequest(REMOVE_MESSAGE, parameters);
622 void SituareService::removeTags(const QStringList &tags)
624 qDebug() << __PRETTY_FUNCTION__;
626 if (m_database->removeTags(613374451, tags))
627 emit updateWasSuccessful(SituareService::SuccessfulRemoveTags);
630 void SituareService::requestFinished(QNetworkReply *reply)
632 qDebug() << __PRETTY_FUNCTION__;
635 if (m_currentRequests.contains(reply)) {
637 emit error(ErrorContext::NETWORK, reply->error());
639 parseReply(reply->readAll(), getRequestName(reply->url()));
641 m_currentRequests.removeAll(reply);
642 reply->deleteLater();
646 void SituareService::reverseGeo(const GeoCoordinate &coordinates)
648 qDebug() << __PRETTY_FUNCTION__;
650 QHash<QString, QString> parameters;
651 parameters.insert("lat", degreesToString(coordinates.latitude()));
652 parameters.insert("lon", degreesToString(coordinates.longitude()));
653 parameters.insert("format", "json");
655 buildRequest(REVERSE_GEO, parameters);
658 void SituareService::searchPeopleByTag(const QString &tag)
660 qDebug() << __PRETTY_FUNCTION__;
662 QByteArray arr = m_database->getInterestingPeopleByTag(613374451, tag);
664 parseInterestingPeopleData(arr);
667 void SituareService::sendMessage(const QString &receiverId, const QString &message,
668 const GeoCoordinate &coordinates)
670 qDebug() << __PRETTY_FUNCTION__;
672 QHash<QString, QString> parameters;
673 parameters.insert("rid", receiverId);
674 parameters.insert("message", message);
676 if (coordinates.isValid()) {
677 parameters.insert("lat", degreesToString(coordinates.latitude()));
678 parameters.insert("lon", degreesToString(coordinates.longitude()));
681 buildRequest(SEND_MESSAGE, parameters);
684 void SituareService::sendRequest(const QString &requestUrl)
686 qDebug() << __PRETTY_FUNCTION__ << "requestUrl" << requestUrl;
688 // make and send the request
689 QNetworkRequest request;
690 request.setUrl(QUrl(requestUrl));
691 request.setAttribute(QNetworkRequest::CacheSaveControlAttribute, false);
692 QNetworkReply *reply = m_networkManager->get(request, true);
693 m_currentRequests.append(reply);
696 void SituareService::updateSession(const QString &session)
698 qDebug() << __PRETTY_FUNCTION__;
702 if (m_session.isEmpty())
706 void SituareService::updateLocation(const GeoCoordinate &coordinates, const QString &status,
709 qDebug() << __PRETTY_FUNCTION__;
711 QHash<QString, QString> parameters;
712 parameters.insert("lat", degreesToString(coordinates.latitude()));
713 parameters.insert("lon", degreesToString(coordinates.longitude()));
714 parameters.insert("publish", publish ? "true" : "false");
715 parameters.insert("data", status); ///< @todo if !empty ???
717 buildRequest(UPDATE_LOCATION, parameters);