2 Situare - A location system for Facebook
3 Copyright (C) 2010 Ixonos Plc. Authors:
5 Henri Lampela - henri.lampela@ixonos.com
7 Situare is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License
9 version 2 as published by the Free Software Foundation.
11 Situare is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Situare; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 #include <QtAlgorithms>
25 #include <QStringList>
27 #include <QNetworkReply>
28 #include "situareservice.h"
29 #include "situarecommon.h"
31 #include "ui/avatarimage.h"
32 #include "engine/networkaccessmanager.h"
34 SituareService::SituareService(QObject *parent)
37 qDebug() << __PRETTY_FUNCTION__;
39 m_networkManager = new QNetworkAccessManager;
40 connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(requestFinished(QNetworkReply*)));
42 m_imageFetcher = new ImageFetcher(new NetworkAccessManager(this), this);
43 connect(this, SIGNAL(fetchImage(QUrl)), m_imageFetcher, SLOT(fetchImage(QUrl)));
44 connect(m_imageFetcher, SIGNAL(imageReceived(QUrl,QPixmap)), this,
45 SLOT(imageReceived(QUrl, QPixmap)));
46 connect(m_imageFetcher, SIGNAL(error(QString)), this, SIGNAL(error(QString)));
51 SituareService::~SituareService()
53 qDebug() << __PRETTY_FUNCTION__;
55 delete m_networkManager;
61 delete m_imageFetcher;
64 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
65 m_friendsList.clear();
68 void SituareService::fetchLocations()
70 qDebug() << __PRETTY_FUNCTION__;
72 QString cookie = formCookie(API_KEY, m_credentials.expires(),m_credentials.userID(),
73 m_credentials.sessionKey(), m_credentials.sessionSecret(),
74 m_credentials.sig(), EN_LOCALE);
76 QUrl url = formUrl(SITUARE_URL, GET_LOCATIONS);
77 sendRequest(url, COOKIE, cookie);
80 void SituareService::reverseGeo(const QPointF &coordinates)
82 qDebug() << __PRETTY_FUNCTION__;
84 QString cookie = formCookie(API_KEY, m_credentials.expires(),m_credentials.userID(),
85 m_credentials.sessionKey(), m_credentials.sessionSecret(),
86 m_credentials.sig(), EN_LOCALE);
88 QString urlParameters = formUrlParameters(coordinates);
89 QUrl url = formUrl(SITUARE_URL, REVERSE_GEO, urlParameters);
91 sendRequest(url, COOKIE, cookie);
94 void SituareService::updateLocation(const QPointF &coordinates, const QString &status,
97 qDebug() << __PRETTY_FUNCTION__;
99 QString cookie = formCookie(API_KEY, m_credentials.expires(),m_credentials.userID(),
100 m_credentials.sessionKey(), m_credentials.sessionSecret(),
101 m_credentials.sig(), EN_LOCALE);
104 QString publishValue;
106 publishValue = PUBLISH_TRUE;
109 publishValue = PUBLISH_FALSE;
111 QString urlParameters = formUrlParameters(coordinates, status, publishValue);
112 QUrl url = formUrl(SITUARE_URL, UPDATE_LOCATION, urlParameters);
114 sendRequest(url, COOKIE, cookie);
117 QString SituareService::formCookie(const QString &apiKeyValue, QString expiresValue,
118 QString userValue, QString sessionKeyValue,
119 QString sessionSecretValue, const QString &signatureValue,
120 const QString &localeValue)
122 qDebug() << __PRETTY_FUNCTION__;
129 QString sessionSecret;
132 QString signature = EQUAL_MARK;
133 QStringList variableList;
135 signature.append(signatureValue);
136 apiKey.append(apiKeyValue);
137 apiKey.append(UNDERLINE_MARK);
140 user.append(EQUAL_MARK);
141 expires.append(EXPIRES);
142 expires.append(EQUAL_MARK);
143 sessionKey.append(SESSION_KEY);
144 sessionKey.append(EQUAL_MARK);
145 sessionSecret.append(SESSION_SECRET);
146 sessionSecret.append(EQUAL_MARK);
147 locale.append(LOCALE);
148 locale.append(EQUAL_MARK);
149 locale.append(localeValue);
151 variableList.append(expires.append(expiresValue.append(BREAK_MARK)));
152 variableList.append(sessionKey.append(sessionKeyValue.append(BREAK_MARK)));
153 variableList.append(user.append(userValue).append(BREAK_MARK));
154 variableList.append(sessionSecret.append(sessionSecretValue.append(BREAK_MARK)));
156 cookie.append(BREAK_MARK);
158 foreach(variable, variableList) {
159 cookie.append(apiKey);
160 cookie.append(variable);
162 apiKey.remove(UNDERLINE_MARK);
163 cookie.append(apiKey);
164 cookie.append(signature);
165 cookie.append(BREAK_MARK);
166 cookie.append(locale);
173 QUrl SituareService::formUrl(const QString &baseUrl, const QString &phpScript,
174 QString urlParameters)
176 qDebug() << __PRETTY_FUNCTION__;
179 urlString.append(baseUrl);
180 urlString.append(phpScript);
181 if(!urlParameters.isEmpty())
182 urlString.append(urlParameters);
184 QUrl url = QUrl(urlString);
191 QString SituareService::formUrlParameters(const QPointF &coordinates, QString status,
196 parameters.append(QUESTION_MARK);
197 parameters.append(LATITUDE);
198 parameters.append(EQUAL_MARK);
199 parameters.append(QString::number(coordinates.y()));
200 parameters.append(AMBERSAND_MARK);
201 parameters.append(LONGTITUDE);
202 parameters.append(EQUAL_MARK);
203 parameters.append(QString::number(coordinates.x()));
205 if(publish.compare(PUBLISH_TRUE) == 0) {
206 parameters.append(AMBERSAND_MARK);
207 parameters.append(PUBLISH);
208 parameters.append(EQUAL_MARK);
209 parameters.append(PUBLISH_TRUE);
211 else if(publish.compare(PUBLISH_FALSE) == 0) {
212 parameters.append(AMBERSAND_MARK);
213 parameters.append(PUBLISH);
214 parameters.append(EQUAL_MARK);
215 parameters.append(PUBLISH_FALSE);
218 if(!status.isEmpty()) {
219 parameters.append(AMBERSAND_MARK);
220 parameters.append(DATA);
221 parameters.append(EQUAL_MARK);
222 parameters.append(status);
228 void SituareService::sendRequest(const QUrl &url, const QString &cookieType, const QString &cookie)
230 qDebug() << __PRETTY_FUNCTION__ << "url: " << url;
232 QNetworkRequest request;
235 request.setRawHeader(cookieType.toAscii(), cookie.toUtf8());
237 QNetworkReply *reply = m_networkManager->get(request);
239 m_currentRequests.append(reply);
242 void SituareService::requestFinished(QNetworkReply *reply)
244 qDebug() << __PRETTY_FUNCTION__;
246 QUrl url = reply->url();
247 qDebug() << "BytesAvailable: " << reply->bytesAvailable();
248 if (reply->error()) {
249 qDebug() << reply->errorString();
250 emit error(reply->errorString());
253 qint64 max = reply->size();
254 QByteArray replyArray = reply->read(max);
255 qDebug() << "Reply from: " << url << "reply " << replyArray;
256 // ToDo: results handling includes Situare's errors
257 // works like situare's error handling i.e. both lat & lon are missing/wrong
258 // -> we get only error for wrong lon
259 if(replyArray == ERROR_LAT.toAscii()) {
260 qDebug() << "Error: " << ERROR_LAT;
261 emit error(replyArray);
263 else if(replyArray == ERROR_LON.toAscii()) {
264 qDebug() << "Error: " << ERROR_LON;
265 emit error(replyArray);
267 else if(replyArray.contains(ERROR_SESSION.toAscii())) {
268 qDebug() << "Error: " << ERROR_SESSION;
269 emit error(replyArray);
271 else if(replyArray.startsWith(OPENING_BRACE_MARK.toAscii())) {
272 qDebug() << "JSON string";
273 parseUserData(replyArray);
275 else if(replyArray == "") {
276 if(url.toString().contains(UPDATE_LOCATION.toAscii())) {
277 emit updateWasSuccessful();
284 // Street address ready
285 QString address = QString::fromUtf8(replyArray);
286 emit reverseGeoReady(address);
289 m_currentRequests.removeAll(reply);
290 reply->deleteLater();
293 void SituareService::credentialsReady(bool freshLogin, const FacebookCredentials &credentials)
295 qDebug() << __PRETTY_FUNCTION__;
296 Q_UNUSED(freshLogin);
297 m_credentials = credentials;
301 void SituareService::parseUserData(const QByteArray &jsonReply)
303 qDebug() << __PRETTY_FUNCTION__;
307 m_defaultImage = false;
308 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
309 m_friendsList.clear();
316 QJson::Parser parser;
319 QVariantMap result = parser.parse (jsonReply, &ok).toMap();
322 qFatal("An error occurred during parsing");
326 QVariant userVariant = result.value("user");
327 QMap<QString, QVariant> userMap = userVariant.toMap();
329 QPointF coordinates(userMap["longitude"].toReal(), userMap["latitude"].toReal());
331 QUrl imageUrl = userMap["profile_pic"].toUrl();
333 if(imageUrl.isEmpty()) {
334 // user doesn't have profile image, so we need to get him a silhouette image
335 m_defaultImage = true;
338 m_user = new User(userMap["address"].toString(), coordinates, userMap["name"].toString(),
339 userMap["note"].toString(), imageUrl, userMap["timestamp"].toString(),
340 true, userMap["uid"].toString());
342 foreach (QVariant friendsVariant, result["friends"].toList()) {
343 QMap<QString, QVariant> friendMap = friendsVariant.toMap();
344 QVariant distance = friendMap["distance"];
345 QMap<QString, QVariant> distanceMap = distance.toMap();
347 QPointF coordinates(friendMap["longitude"].toReal(), friendMap["latitude"].toReal());
349 QUrl imageUrl = friendMap["profile_pic"].toUrl();
351 if(imageUrl.isEmpty()) {
352 // friend doesn't have profile image, so we need to get him a silhouette image
353 m_defaultImage = true;
356 User *user = new User(friendMap["address"].toString(), coordinates,
357 friendMap["name"].toString(),
358 friendMap["note"].toString(), imageUrl,
359 friendMap["timestamp"].toString(),
360 false, friendMap["uid"].toString(),
361 distanceMap["units"].toString(),
362 distanceMap["value"].toDouble());
364 m_friendsList.append(user);
369 void SituareService::imageReceived(const QUrl &url, const QPixmap &image)
371 qDebug() << __PRETTY_FUNCTION__;
372 qDebug() << "Image URL: " << url << " size :" << image.size();
374 // assign facebook silhouette image to all who doesn't have a profile image
375 if(url == QUrl(SILHOUETTE_URL)) {
376 if(m_user->profileImageUrl().isEmpty()) {
377 m_user->setProfileImage(AvatarImage::create(image));
379 for(int i=0;i < m_friendsList.count();i++) {
380 if(m_friendsList.at(i)->profileImageUrl().isEmpty()) {
381 m_friendsList.at(i)->setProfileImage(AvatarImage::create(image));
386 if(m_user->profileImageUrl() == url) {
387 m_user->setProfileImage(AvatarImage::create(image));
390 for(int i=0;i<m_friendsList.count();i++) {
391 if(m_friendsList.at(i)->profileImageUrl() == url) {
392 m_friendsList.at(i)->setProfileImage(AvatarImage::create(image));
393 m_nbrOfImages++; // indicates how many friend profile images has been downloaded
397 if(m_nbrOfImages == m_visited) {
398 qDebug() << "m_nbrOfImages: " << m_nbrOfImages << " m_visited: " << m_visited;
399 qDebug() << "emit userDataChanged";
400 emit userDataChanged(m_user, m_friendsList);
404 void SituareService::addProfileImages()
406 qDebug() << __PRETTY_FUNCTION__;
408 // reduce net traffic by sending only one download request for facebook silhouette image
410 emit fetchImage(QUrl(SILHOUETTE_URL));
413 if(!m_user->profileImageUrl().isEmpty() && m_user->profileImageUrl().isValid()) {
414 emit fetchImage(m_user->profileImageUrl());
417 for(int i=0;i<m_friendsList.count();i++) {
418 if(!m_friendsList.at(i)->profileImageUrl().isEmpty() &&
419 m_friendsList.at(i)->profileImageUrl().isValid()) {
420 m_visited++; // indicates how many friends that have profile image
421 emit fetchImage(m_friendsList.at(i)->profileImageUrl());