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"
33 SituareService::SituareService(QObject *parent)
36 qDebug() << __PRETTY_FUNCTION__;
38 m_networkManager = new QNetworkAccessManager;
39 connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(requestFinished(QNetworkReply*)));
41 m_imageFetcher = new ImageFetcher(new QNetworkAccessManager(this), this);
42 connect(this, SIGNAL(fetchImage(QUrl)), m_imageFetcher, SLOT(fetchImage(QUrl)));
43 connect(m_imageFetcher, SIGNAL(imageReceived(QUrl,QPixmap)), this,
44 SLOT(imageReceived(QUrl, QPixmap)));
45 connect(m_imageFetcher, SIGNAL(error(QString)), this, SIGNAL(error(QString)));
50 SituareService::~SituareService()
52 qDebug() << __PRETTY_FUNCTION__;
54 delete m_networkManager;
60 delete m_imageFetcher;
63 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
64 m_friendsList.clear();
67 void SituareService::fetchLocations()
69 qDebug() << __PRETTY_FUNCTION__;
71 QString cookie = formCookie(API_KEY, m_credentials.expires(),m_credentials.userID(),
72 m_credentials.sessionKey(), m_credentials.sessionSecret(),
73 m_credentials.sig(), EN_LOCALE);
75 QUrl url = formUrl(SITUARE_URL, GET_LOCATIONS);
76 sendRequest(url, COOKIE, cookie);
79 void SituareService::reverseGeo(const QPointF &coordinates)
81 qDebug() << __PRETTY_FUNCTION__;
83 QString cookie = formCookie(API_KEY, m_credentials.expires(),m_credentials.userID(),
84 m_credentials.sessionKey(), m_credentials.sessionSecret(),
85 m_credentials.sig(), EN_LOCALE);
87 QString urlParameters = formUrlParameters(coordinates);
88 QUrl url = formUrl(SITUARE_URL, REVERSE_GEO, urlParameters);
90 sendRequest(url, COOKIE, cookie);
93 void SituareService::updateLocation(const QPointF &coordinates, const QString &status,
96 qDebug() << __PRETTY_FUNCTION__;
98 QString cookie = formCookie(API_KEY, m_credentials.expires(),m_credentials.userID(),
99 m_credentials.sessionKey(), m_credentials.sessionSecret(),
100 m_credentials.sig(), EN_LOCALE);
103 QString publishValue;
105 publishValue = PUBLISH_TRUE;
108 publishValue = PUBLISH_FALSE;
110 QString urlParameters = formUrlParameters(coordinates, status, publishValue);
111 QUrl url = formUrl(SITUARE_URL, UPDATE_LOCATION, urlParameters);
113 sendRequest(url, COOKIE, cookie);
116 QString SituareService::formCookie(const QString &apiKeyValue, QString expiresValue,
117 QString userValue, QString sessionKeyValue,
118 QString sessionSecretValue, const QString &signatureValue,
119 const QString &localeValue)
121 qDebug() << __PRETTY_FUNCTION__;
128 QString sessionSecret;
131 QString signature = EQUAL_MARK;
132 QStringList variableList;
134 signature.append(signatureValue);
135 apiKey.append(apiKeyValue);
136 apiKey.append(UNDERLINE_MARK);
139 user.append(EQUAL_MARK);
140 expires.append(EXPIRES);
141 expires.append(EQUAL_MARK);
142 sessionKey.append(SESSION_KEY);
143 sessionKey.append(EQUAL_MARK);
144 sessionSecret.append(SESSION_SECRET);
145 sessionSecret.append(EQUAL_MARK);
146 locale.append(LOCALE);
147 locale.append(EQUAL_MARK);
148 locale.append(localeValue);
150 variableList.append(expires.append(expiresValue.append(BREAK_MARK)));
151 variableList.append(sessionKey.append(sessionKeyValue.append(BREAK_MARK)));
152 variableList.append(user.append(userValue).append(BREAK_MARK));
153 variableList.append(sessionSecret.append(sessionSecretValue.append(BREAK_MARK)));
155 cookie.append(BREAK_MARK);
157 foreach(variable, variableList) {
158 cookie.append(apiKey);
159 cookie.append(variable);
161 apiKey.remove(UNDERLINE_MARK);
162 cookie.append(apiKey);
163 cookie.append(signature);
164 cookie.append(BREAK_MARK);
165 cookie.append(locale);
172 QUrl SituareService::formUrl(const QString &baseUrl, const QString &phpScript,
173 QString urlParameters)
175 qDebug() << __PRETTY_FUNCTION__;
178 urlString.append(baseUrl);
179 urlString.append(phpScript);
180 if(!urlParameters.isEmpty())
181 urlString.append(urlParameters);
183 QUrl url = QUrl(urlString);
190 QString SituareService::formUrlParameters(const QPointF &coordinates, QString status,
195 parameters.append(QUESTION_MARK);
196 parameters.append(LATITUDE);
197 parameters.append(EQUAL_MARK);
198 parameters.append(QString::number(coordinates.x()));
199 parameters.append(AMBERSAND_MARK);
200 parameters.append(LONGTITUDE);
201 parameters.append(EQUAL_MARK);
202 parameters.append(QString::number(coordinates.y()));
204 if(publish.compare(PUBLISH_TRUE) == 0) {
205 parameters.append(AMBERSAND_MARK);
206 parameters.append(PUBLISH);
207 parameters.append(EQUAL_MARK);
208 parameters.append(PUBLISH_TRUE);
210 else if(publish.compare(PUBLISH_FALSE) == 0) {
211 parameters.append(AMBERSAND_MARK);
212 parameters.append(PUBLISH);
213 parameters.append(EQUAL_MARK);
214 parameters.append(PUBLISH_FALSE);
217 if(!status.isEmpty()) {
218 parameters.append(AMBERSAND_MARK);
219 parameters.append(DATA);
220 parameters.append(EQUAL_MARK);
221 parameters.append(status);
227 void SituareService::sendRequest(const QUrl &url, const QString &cookieType, const QString &cookie)
229 qDebug() << __PRETTY_FUNCTION__ << "url: " << url;
231 QNetworkRequest request;
234 request.setRawHeader(cookieType.toAscii(), cookie.toUtf8());
236 QNetworkReply *reply = m_networkManager->get(request);
238 m_currentRequests.append(reply);
241 void SituareService::requestFinished(QNetworkReply *reply)
243 qDebug() << __PRETTY_FUNCTION__;
245 QUrl url = reply->url();
246 qDebug() << "BytesAvailable: " << reply->bytesAvailable();
247 if (reply->error()) {
248 qDebug() << reply->errorString();
249 emit error(reply->errorString());
252 qint64 max = reply->size();
253 QByteArray replyArray = reply->read(max);
254 qDebug() << "Reply from: " << url << "reply " << replyArray;
255 // ToDo: results handling includes Situare's errors
256 // works like situare's error handling i.e. both lat & lon are missing/wrong
257 // -> we get only error for wrong lon
258 if(replyArray == ERROR_LAT.toAscii()) {
259 qDebug() << "Error: " << ERROR_LAT;
260 emit error(replyArray);
262 else if(replyArray == ERROR_LON.toAscii()) {
263 qDebug() << "Error: " << ERROR_LON;
264 emit error(replyArray);
266 else if(replyArray.contains(ERROR_SESSION.toAscii())) {
267 qDebug() << "Error: " << ERROR_SESSION;
268 emit error(replyArray);
270 else if(replyArray.startsWith(OPENING_BRACE_MARK.toAscii())) {
271 qDebug() << "JSON string";
272 parseUserData(replyArray);
274 else if(replyArray == "") {
275 if(url.toString().contains(UPDATE_LOCATION.toAscii())) {
276 emit updateWasSuccessful();
283 // Street address ready
284 QString address(replyArray);
285 emit reverseGeoReady(address);
288 m_currentRequests.removeAll(reply);
289 reply->deleteLater();
292 void SituareService::credentialsReady(const FacebookCredentials &credentials)
294 qDebug() << __PRETTY_FUNCTION__;
295 m_credentials = credentials;
299 void SituareService::parseUserData(const QByteArray &jsonReply)
301 qDebug() << __PRETTY_FUNCTION__;
305 m_defaultImage = false;
306 qDeleteAll(m_friendsList.begin(), m_friendsList.end());
307 m_friendsList.clear();
314 QJson::Parser parser;
317 QVariantMap result = parser.parse (jsonReply, &ok).toMap();
320 qFatal("An error occurred during parsing");
324 QVariant userVariant = result.value("user");
325 QMap<QString, QVariant> userMap = userVariant.toMap();
327 QPointF coordinates(userMap["longitude"].toReal(), userMap["latitude"].toReal());
329 QUrl imageUrl = userMap["profile_pic"].toUrl();
331 if(imageUrl.isEmpty()) {
332 // user doesn't have profile image, so we need to get him a silhouette image
333 m_defaultImage = true;
336 m_user = new User(userMap["address"].toString(), coordinates, userMap["name"].toString(),
337 userMap["note"].toString(), imageUrl, userMap["timestamp"].toString(),
338 true, userMap["uid"].toString());
340 foreach (QVariant friendsVariant, result["friends"].toList()) {
341 QMap<QString, QVariant> friendMap = friendsVariant.toMap();
342 QVariant distance = friendMap["distance"];
343 QMap<QString, QVariant> distanceMap = distance.toMap();
345 QPointF coordinates(friendMap["longitude"].toReal(), friendMap["latitude"].toReal());
347 QUrl imageUrl = friendMap["profile_pic"].toUrl();
349 if(imageUrl.isEmpty()) {
350 // friend doesn't have profile image, so we need to get him a silhouette image
351 m_defaultImage = true;
354 User *user = new User(friendMap["address"].toString(), coordinates,
355 friendMap["name"].toString(),
356 friendMap["note"].toString(), imageUrl,
357 friendMap["timestamp"].toString(),
358 false, friendMap["uid"].toString(),
359 distanceMap["units"].toString(),
360 distanceMap["value"].toDouble());
362 m_friendsList.append(user);
367 void SituareService::imageReceived(const QUrl &url, const QPixmap &image)
369 qDebug() << __PRETTY_FUNCTION__;
370 qDebug() << "Image URL: " << url << " size :" << image.size();
372 // assign facebook silhouette image to all who doesn't have a profile image
373 if(url == QUrl(SILHOUETTE_URL)) {
374 if(m_user->profileImageUrl().isEmpty()) {
375 m_user->setProfileImage(AvatarImage::create(image));
377 for(int i=0;i < m_friendsList.count();i++) {
378 if(m_friendsList.at(i)->profileImageUrl().isEmpty()) {
379 m_friendsList.at(i)->setProfileImage(AvatarImage::create(image));
384 if(m_user->profileImageUrl() == url) {
385 m_user->setProfileImage(AvatarImage::create(image));
388 for(int i=0;i<m_friendsList.count();i++) {
389 if(m_friendsList.at(i)->profileImageUrl() == url) {
390 m_friendsList.at(i)->setProfileImage(AvatarImage::create(image));
391 m_nbrOfImages++; // indicates how many friend profile images has been downloaded
395 if(m_nbrOfImages == m_visited) {
396 qDebug() << "m_nbrOfImages: " << m_nbrOfImages << " m_visited: " << m_visited;
397 qDebug() << "emit userDataChanged";
398 emit userDataChanged(m_user, m_friendsList);
402 void SituareService::addProfileImages()
404 qDebug() << __PRETTY_FUNCTION__;
406 // reduce net traffic by sending only one download request for facebook silhouette image
408 emit fetchImage(QUrl(SILHOUETTE_URL));
411 if(!m_user->profileImageUrl().isEmpty() && m_user->profileImageUrl().isValid()) {
412 emit fetchImage(m_user->profileImageUrl());
415 for(int i=0;i<m_friendsList.count();i++) {
416 if(!m_friendsList.at(i)->profileImageUrl().isEmpty() &&
417 m_friendsList.at(i)->profileImageUrl().isValid()) {
418 m_visited++; // indicates how many friends that have profile image
419 emit fetchImage(m_friendsList.at(i)->profileImageUrl());