vcs.maemo.org Git - situare/blob - src/situareservice/situareservice.cpp

   1 /*
   2    Situare - A location system for Facebook
   3    Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5       Henri Lampela - henri.lampela@ixonos.com
   6
   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.
  10
  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.
  15
  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,
  19    USA.
  20 */
  21
  22 #include <QtAlgorithms>
  23 #include <QDebug>
  24 #include <QtGlobal>
  25 #include <QStringList>
  26 #include <QPixmap>
  27 #include <QNetworkReply>
  28 #include "situareservice.h"
  29 #include "situarecommon.h"
  30 #include "parser.h"
  31 #include "ui/avatarimage.h"
  32 #include "engine/networkaccessmanager.h"
  33
  34 SituareService::SituareService(QObject *parent)
  35         : QObject(parent)
  36 {
  37     qDebug() << __PRETTY_FUNCTION__;
  38
  39     m_networkManager = new QNetworkAccessManager;
  40     connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(requestFinished(QNetworkReply*)));
  41
  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)));
  47
  48     m_user = 0;
  49 }
  50
  51 SituareService::~SituareService()
  52 {
  53     qDebug() << __PRETTY_FUNCTION__;
  54
  55     delete m_networkManager;
  56     m_networkManager = 0;
  57     if(m_user) {
  58         delete m_user;
  59         m_user = 0;
  60     }
  61     delete m_imageFetcher;
  62     m_imageFetcher = 0;
  63
  64     qDeleteAll(m_friendsList.begin(), m_friendsList.end());
  65     m_friendsList.clear();
  66 }
  67
  68 void SituareService::fetchLocations()
  69 {
  70     qDebug() << __PRETTY_FUNCTION__;
  71
  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);
  75
  76     QUrl url = formUrl(SITUARE_URL, GET_LOCATIONS);
  77     sendRequest(url, COOKIE, cookie);
  78 }
  79
  80 void SituareService::reverseGeo(const QPointF &coordinates)
  81 {
  82     qDebug() << __PRETTY_FUNCTION__;
  83
  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);
  87
  88     QString urlParameters = formUrlParameters(coordinates);
  89     QUrl url = formUrl(SITUARE_URL, REVERSE_GEO, urlParameters);
  90
  91     sendRequest(url, COOKIE, cookie);
  92 }
  93
  94 void SituareService::updateLocation(const QPointF &coordinates, const QString &status,
  95                                     const bool &publish)
  96 {
  97     qDebug() << __PRETTY_FUNCTION__;
  98
  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);
 102
 103
 104     QString publishValue;
 105     if(publish) {
 106         publishValue = PUBLISH_TRUE;
 107     }
 108     else {
 109         publishValue = PUBLISH_FALSE;
 110     }
 111     QString urlParameters = formUrlParameters(coordinates, status, publishValue);
 112     QUrl url = formUrl(SITUARE_URL, UPDATE_LOCATION, urlParameters);
 113
 114     sendRequest(url, COOKIE, cookie);
 115 }
 116
 117 QString SituareService::formCookie(const QString &apiKeyValue, QString expiresValue,
 118                                    QString userValue, QString sessionKeyValue,
 119                                    QString sessionSecretValue, const QString &signatureValue,
 120                                    const QString &localeValue)
 121 {
 122     qDebug() << __PRETTY_FUNCTION__;
 123
 124     QString cookie;
 125     QString apiKey;
 126     QString user;
 127     QString expires;
 128     QString sessionKey;
 129     QString sessionSecret;
 130     QString locale;
 131     QString variable;
 132     QString signature = EQUAL_MARK;
 133     QStringList variableList;
 134
 135     signature.append(signatureValue);
 136     apiKey.append(apiKeyValue);
 137     apiKey.append(UNDERLINE_MARK);
 138
 139     user.append(USER);
 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);
 150
 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)));
 155
 156     cookie.append(BREAK_MARK);
 157
 158     foreach(variable, variableList) {
 159         cookie.append(apiKey);
 160         cookie.append(variable);
 161     }
 162     apiKey.remove(UNDERLINE_MARK);
 163     cookie.append(apiKey);
 164     cookie.append(signature);
 165     cookie.append(BREAK_MARK);
 166     cookie.append(locale);
 167
 168     qDebug() << cookie;
 169
 170     return cookie;
 171 }
 172
 173 QUrl SituareService::formUrl(const QString &baseUrl, const QString &phpScript,
 174                              QString urlParameters)
 175 {
 176     qDebug() << __PRETTY_FUNCTION__;
 177     QString urlString;
 178
 179     urlString.append(baseUrl);
 180     urlString.append(phpScript);
 181     if(!urlParameters.isEmpty())
 182         urlString.append(urlParameters);
 183
 184     QUrl url = QUrl(urlString);
 185
 186     qDebug() << url;
 187
 188     return url;
 189 }
 190
 191 QString SituareService::formUrlParameters(const QPointF &coordinates, QString status,
 192                                           QString publish)
 193 {
 194     QString parameters;
 195
 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()));
 204
 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);
 210     }
 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);
 216     }
 217
 218     if(!status.isEmpty()) {
 219         parameters.append(AMBERSAND_MARK);
 220         parameters.append(DATA);
 221         parameters.append(EQUAL_MARK);
 222         parameters.append(status);
 223     }
 224
 225     return parameters;
 226 }
 227
 228 void SituareService::sendRequest(const QUrl &url, const QString &cookieType, const QString &cookie)
 229 {
 230     qDebug() << __PRETTY_FUNCTION__ << "url: " << url;
 231
 232     QNetworkRequest request;
 233
 234     request.setUrl(url);
 235     request.setRawHeader(cookieType.toAscii(), cookie.toUtf8());
 236
 237     QNetworkReply *reply = m_networkManager->get(request);
 238
 239     m_currentRequests.append(reply);
 240 }
 241
 242 void SituareService::requestFinished(QNetworkReply *reply)
 243 {
 244     qDebug() << __PRETTY_FUNCTION__;
 245
 246     QUrl url = reply->url();
 247     qDebug() << "BytesAvailable: " << reply->bytesAvailable();
 248     if (reply->error()) {
 249         qDebug() << reply->errorString();
 250         emit error(reply->errorString());
 251     }
 252     else {
 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);
 262         }
 263         else if(replyArray == ERROR_LON.toAscii()) {
 264             qDebug() << "Error: " << ERROR_LON;
 265             emit error(replyArray);
 266         }
 267         else if(replyArray.contains(ERROR_SESSION.toAscii())) {
 268             qDebug() << "Error: " << ERROR_SESSION;
 269             emit error(replyArray);
 270         }
 271         else if(replyArray.startsWith(OPENING_BRACE_MARK.toAscii())) {
 272             qDebug() << "JSON string";
 273             parseUserData(replyArray);
 274         }
 275         else if(replyArray == "") {
 276                         if(url.toString().contains(UPDATE_LOCATION.toAscii())) {
 277                 emit updateWasSuccessful();
 278             }
 279             else {
 280                 // server error!
 281             }
 282         }
 283         else {
 284             // Street address ready
 285             QString address = QString::fromUtf8(replyArray);
 286             emit reverseGeoReady(address);
 287         }
 288     }
 289     m_currentRequests.removeAll(reply);
 290     reply->deleteLater();
 291 }
 292
 293 void SituareService::credentialsReady(bool freshLogin, const FacebookCredentials &credentials)
 294 {
 295     qDebug() << __PRETTY_FUNCTION__;
 296     Q_UNUSED(freshLogin);
 297     m_credentials = credentials;
 298
 299 }
 300
 301 void SituareService::parseUserData(const QByteArray &jsonReply)
 302 {
 303     qDebug() << __PRETTY_FUNCTION__;
 304
 305     m_visited = 0;
 306     m_nbrOfImages = 0;
 307     m_defaultImage = false;
 308     qDeleteAll(m_friendsList.begin(), m_friendsList.end());
 309     m_friendsList.clear();
 310
 311     if(m_user) {
 312         delete m_user;
 313         m_user = 0;
 314     }
 315
 316     QJson::Parser parser;
 317     bool ok;
 318
 319     QVariantMap result = parser.parse (jsonReply, &ok).toMap();
 320     if (!ok) {
 321
 322         qFatal("An error occurred during parsing");
 323         exit (1);
 324     }
 325
 326     QVariant userVariant = result.value("user");
 327     QMap<QString, QVariant> userMap = userVariant.toMap();
 328
 329     QPointF coordinates(userMap["longitude"].toReal(), userMap["latitude"].toReal());
 330
 331     QUrl imageUrl = userMap["profile_pic"].toUrl();
 332
 333     if(imageUrl.isEmpty()) {
 334         // user doesn't have profile image, so we need to get him a silhouette image
 335         m_defaultImage = true;
 336     }
 337
 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());
 341
 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();
 346
 347       QPointF coordinates(friendMap["longitude"].toReal(), friendMap["latitude"].toReal());
 348
 349       QUrl imageUrl = friendMap["profile_pic"].toUrl();
 350
 351       if(imageUrl.isEmpty()) {
 352           // friend doesn't have profile image, so we need to get him a silhouette image
 353           m_defaultImage = true;
 354       }
 355
 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());
 363
 364       m_friendsList.append(user);
 365     }
 366     addProfileImages();
 367 }
 368
 369 void SituareService::imageReceived(const QUrl &url, const QPixmap &image)
 370 {
 371     qDebug() << __PRETTY_FUNCTION__;
 372     qDebug() << "Image URL: " << url << " size :" << image.size();
 373
 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));
 378         }
 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));
 382             }
 383         }
 384     }
 385
 386     if(m_user->profileImageUrl() == url) {
 387         m_user->setProfileImage(AvatarImage::create(image));
 388     }
 389
 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
 394         }
 395     }
 396
 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);
 401     }
 402 }
 403
 404 void SituareService::addProfileImages()
 405 {
 406     qDebug() << __PRETTY_FUNCTION__;
 407
 408     // reduce net traffic by sending only one download request for facebook silhouette image
 409     if(m_defaultImage) {
 410         emit fetchImage(QUrl(SILHOUETTE_URL));
 411     }
 412
 413     if(!m_user->profileImageUrl().isEmpty() && m_user->profileImageUrl().isValid()) {
 414         emit fetchImage(m_user->profileImageUrl());
 415     }
 416
 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());
 422         }
 423     }
 424 }