git.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 "common.h"
  31 #include "parser.h"
  32 #include "ui/avatarimage.h"
  33 #include "network/networkaccessmanager.h"
  34
  35 SituareService::SituareService(QObject *parent)
  36         : QObject(parent),
  37         m_user(0)
  38 {
  39     qDebug() << __PRETTY_FUNCTION__;
  40
  41     m_networkManager = NetworkAccessManager::instance();
  42     connect(m_networkManager, SIGNAL(finished(QNetworkReply*)),
  43             this, SLOT(requestFinished(QNetworkReply*)), Qt::QueuedConnection);
  44
  45     m_imageFetcher = new ImageFetcher(NetworkAccessManager::instance(), this);
  46     connect(this, SIGNAL(fetchImage(QUrl)),
  47             m_imageFetcher, SLOT(fetchImage(QUrl)));
  48     connect(m_imageFetcher, SIGNAL(imageReceived(QUrl,QPixmap)),
  49             this, SLOT(imageReceived(QUrl, QPixmap)));
  50     connect(m_imageFetcher, SIGNAL(error(int, int)),
  51             this, SIGNAL(error(int, int)));
  52 }
  53
  54 SituareService::~SituareService()
  55 {
  56     qDebug() << __PRETTY_FUNCTION__;
  57
  58     if(m_user) {
  59         delete m_user;
  60         m_user = 0;
  61     }
  62
  63     qDeleteAll(m_friendsList.begin(), m_friendsList.end());
  64     m_friendsList.clear();
  65 }
  66
  67 void SituareService::fetchLocations()
  68 {
  69     qDebug() << __PRETTY_FUNCTION__;
  70
  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);
  74
  75     QUrl url = formUrl(SITUARE_URL, GET_LOCATIONS);
  76     sendRequest(url, COOKIE, cookie);
  77 }
  78
  79 void SituareService::reverseGeo(const QPointF &coordinates)
  80 {
  81     qDebug() << __PRETTY_FUNCTION__;
  82
  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);
  86
  87     QString urlParameters = formUrlParameters(coordinates);
  88     urlParameters.append(JSON_FORMAT);
  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     } 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);
 215     }
 216
 217     if(!status.isEmpty()) {
 218         parameters.append(AMBERSAND_MARK);
 219         parameters.append(DATA);
 220         parameters.append(EQUAL_MARK);
 221         parameters.append(status);
 222     }
 223
 224     return parameters;
 225 }
 226
 227 void SituareService::sendRequest(const QUrl &url, const QString &cookieType, const QString &cookie)
 228 {
 229     qDebug() << __PRETTY_FUNCTION__;
 230
 231     QNetworkRequest request;
 232
 233     request.setUrl(url);
 234     request.setAttribute(QNetworkRequest::CacheSaveControlAttribute, false);
 235     request.setRawHeader(cookieType.toAscii(), cookie.toUtf8());
 236
 237     QNetworkReply *reply = m_networkManager->get(request, true);
 238
 239     m_currentRequests.append(reply);
 240 }
 241
 242 void SituareService::requestFinished(QNetworkReply *reply)
 243 {
 244     qDebug() << __PRETTY_FUNCTION__;
 245
 246     //Reply from situare
 247     if (m_currentRequests.contains(reply)) {
 248
 249         qDebug() << "BytesAvailable: " << reply->bytesAvailable();
 250
 251         if (reply->error()) {
 252             emit error(ErrorContext::NETWORK, reply->error());
 253         } else {
 254             QByteArray replyArray = reply->readAll();
 255             qDebug() << "Reply from: " << reply->url() << "reply " << replyArray;
 256
 257             if(replyArray == ERROR_LAT.toAscii()) {
 258                 qDebug() << "Error: " << ERROR_LAT;
 259                 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
 260             } else if(replyArray == ERROR_LON.toAscii()) {
 261                 qDebug() << "Error: " << ERROR_LON;
 262                 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
 263             } else if(replyArray.contains(ERROR_SESSION.toAscii())) {
 264                 qDebug() << "Error: " << ERROR_SESSION;
 265                 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
 266             } else if(replyArray.startsWith(OPENING_BRACE_MARK.toAscii())) {
 267                 qDebug() << "JSON string";
 268                 parseUserData(replyArray);
 269             } else if(replyArray.isEmpty()) {
 270                 if(reply->url().toString().contains(UPDATE_LOCATION.toAscii())) {
 271                     emit updateWasSuccessful();
 272                 } else {
 273                     // session credentials are invalid
 274                     emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
 275                 }
 276             } else {
 277                 // unknown reply
 278                 emit error(ErrorContext::SITUARE, SituareError::ERROR_GENERAL);
 279             }
 280         }
 281         m_currentRequests.removeAll(reply);
 282         reply->deleteLater();
 283     }
 284 }
 285
 286 void SituareService::credentialsReady(const FacebookCredentials &credentials)
 287 {
 288     qDebug() << __PRETTY_FUNCTION__;
 289
 290     m_credentials = credentials;
 291 }
 292
 293 void SituareService::parseUserData(const QByteArray &jsonReply)
 294 {
 295     qDebug() << __PRETTY_FUNCTION__;
 296
 297     m_defaultImage = false;
 298
 299     QJson::Parser parser;
 300     bool ok;
 301
 302     QVariantMap result = parser.parse (jsonReply, &ok).toMap();
 303     if (!ok) {
 304         emit error(ErrorContext::SITUARE, SituareError::INVALID_JSON);
 305         return;
 306     } else {
 307
 308         if(result.contains("ErrorCode")) {
 309             QVariant errorVariant = result.value("ErrorCode");
 310             emit error(ErrorContext::SITUARE, errorVariant.toInt());
 311             return;
 312         } else if(result.contains("user")) {
 313
 314             qDeleteAll(m_friendsList.begin(), m_friendsList.end());
 315             m_friendsList.clear();
 316
 317             if(m_user) {
 318                 delete m_user;
 319                 m_user = 0;
 320             }
 321
 322             QVariant userVariant = result.value("user");
 323             QMap<QString, QVariant> userMap = userVariant.toMap();
 324
 325             QPointF coordinates(userMap["longitude"].toReal(), userMap["latitude"].toReal());
 326
 327             QUrl imageUrl = userMap[NORMAL_SIZE_PROFILE_IMAGE].toUrl();
 328
 329             if(imageUrl.isEmpty()) {
 330                 // user doesn't have profile image, so we need to get him a silhouette image
 331                 m_defaultImage = true;
 332             }
 333
 334             QString address = userMap["address"].toString();
 335             if(address.isEmpty()) {
 336                 QStringList location;
 337                 location.append(QString::number(coordinates.y()));
 338                 location.append(QString::number(coordinates.x()));
 339                 address = location.join(", ");
 340             }
 341
 342             m_user = new User(address, coordinates, userMap["name"].toString(),
 343                           userMap["note"].toString(), imageUrl, userMap["timestamp"].toString(),
 344                           true, userMap["uid"].toString());
 345
 346             foreach (QVariant friendsVariant, result["friends"].toList()) {
 347               QMap<QString, QVariant> friendMap = friendsVariant.toMap();
 348               QVariant distance = friendMap["distance"];
 349               QMap<QString, QVariant> distanceMap = distance.toMap();
 350
 351               QPointF coordinates(friendMap["longitude"].toReal(), friendMap["latitude"].toReal());
 352
 353               QUrl imageUrl = friendMap["profile_pic"].toUrl();
 354
 355               if(imageUrl.isEmpty()) {
 356                   // friend doesn't have profile image, so we need to get him a silhouette image
 357                   m_defaultImage = true;
 358               }
 359
 360               QString address = friendMap["address"].toString();
 361               if(address.isEmpty()) {
 362                   QStringList location;
 363                   location.append(QString::number(coordinates.y()));
 364                   location.append(QString::number(coordinates.x()));
 365                   address = location.join(", ");
 366               }
 367
 368               User *user = new User(address, coordinates,
 369                                     friendMap["name"].toString(),
 370                                     friendMap["note"].toString(), imageUrl,
 371                                     friendMap["timestamp"].toString(),
 372                                     false, friendMap["uid"].toString(),
 373                                     distanceMap["units"].toString(),
 374                                     distanceMap["value"].toDouble());
 375
 376               m_friendsList.append(user);
 377             }
 378             emit userDataChanged(m_user, m_friendsList);
 379             addProfileImages();
 380         } else {
 381             QVariant address = result.value("address");
 382             if(!address.toString().isEmpty()) {
 383                 emit reverseGeoReady(address.toString());
 384             } else {
 385                 QStringList coordinates;
 386                 coordinates.append(result.value("lat").toString());
 387                 coordinates.append(result.value("lon").toString());
 388
 389                 emit error(ErrorContext::SITUARE, SituareError::ADDRESS_RETRIEVAL_FAILED);
 390                 emit reverseGeoReady(coordinates.join(", "));
 391             }
 392         }
 393     }
 394 }
 395
 396 void SituareService::imageReceived(const QUrl &url, const QPixmap &image)
 397 {
 398     qDebug() << __PRETTY_FUNCTION__;
 399     qDebug() << "Image URL: " << url << " size :" << image.size();
 400
 401     // assign facebook silhouette image to all who doesn't have a profile image
 402     if(url == QUrl(SILHOUETTE_URL)) {
 403         if(m_user->profileImageUrl().isEmpty()) {
 404             m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
 405             emit imageReady(m_user);
 406         }
 407         for(int i=0;i < m_friendsList.count();i++) {
 408             if(m_friendsList.at(i)->profileImageUrl().isEmpty()) {
 409                 m_friendsList.at(i)->setProfileImage(AvatarImage::create(image,
 410                                                                          AvatarImage::Small));
 411                 emit imageReady(m_friendsList.at(i));
 412             }
 413         }
 414     }
 415
 416     if (m_user->profileImageUrl() == url) {
 417         m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
 418         emit imageReady(m_user);
 419     }
 420
 421     for(int i=0;i<m_friendsList.count();i++) {
 422         if(m_friendsList.at(i)->profileImageUrl() == url) {
 423             m_friendsList.at(i)->setProfileImage(AvatarImage::create(image, AvatarImage::Small));
 424             emit imageReady(m_friendsList.at(i));
 425         }
 426     }
 427 }
 428
 429 void SituareService::addProfileImages()
 430 {
 431     qDebug() << __PRETTY_FUNCTION__;
 432
 433     // reduce net traffic by sending only one download request for facebook silhouette image
 434     if(m_defaultImage) {
 435         emit fetchImage(QUrl(SILHOUETTE_URL));
 436     }
 437
 438     if(!m_user->profileImageUrl().isEmpty() && m_user->profileImageUrl().isValid())
 439         emit fetchImage(m_user->profileImageUrl());
 440
 441     for(int i=0;i<m_friendsList.count();i++) {
 442         if(!m_friendsList.at(i)->profileImageUrl().isEmpty() &&
 443            m_friendsList.at(i)->profileImageUrl().isValid()) {
 444            emit fetchImage(m_friendsList.at(i)->profileImageUrl());
 445         }
 446     }
 447 }
 448
 449 void SituareService::clearUserData()
 450 {
 451     qDebug() << __PRETTY_FUNCTION__;
 452
 453     qDeleteAll(m_friendsList.begin(), m_friendsList.end());
 454     m_friendsList.clear();
 455
 456     if(m_user) {
 457         delete m_user;
 458         m_user = 0;
 459     }
 460     emit userDataChanged(m_user, m_friendsList);
 461 }