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 = new NetworkAccessManager(this);
  42     connect(m_networkManager, SIGNAL(finished(QNetworkReply*)),
  43             this, SLOT(requestFinished(QNetworkReply*)), Qt::QueuedConnection);
  44
  45     m_imageFetcher = new ImageFetcher(new NetworkAccessManager(this), 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 GeoCoordinate &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 GeoCoordinate &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 GeoCoordinate &coordinates, QString status,
 192                                           QString publish)
 193 {
 194     qDebug() << __PRETTY_FUNCTION__;
 195
 196     // one scene pixel is about 5.4e-6 degrees, the integer part is max three digits and one
 197     // additional digit is added for maximum precision
 198     const int COORDINATE_PRECISION = 10;
 199
 200     QString parameters;
 201
 202     parameters.append(QUESTION_MARK);
 203     parameters.append(LATITUDE);
 204     parameters.append(EQUAL_MARK);
 205     parameters.append(QString::number(coordinates.latitude(), 'f', COORDINATE_PRECISION));
 206     parameters.append(AMBERSAND_MARK);
 207     parameters.append(LONGTITUDE);
 208     parameters.append(EQUAL_MARK);
 209     parameters.append(QString::number(coordinates.longitude(), 'f', COORDINATE_PRECISION));
 210
 211     if(publish.compare(PUBLISH_TRUE) == 0) {
 212         parameters.append(AMBERSAND_MARK);
 213         parameters.append(PUBLISH);
 214         parameters.append(EQUAL_MARK);
 215         parameters.append(PUBLISH_TRUE);
 216     } else if(publish.compare(PUBLISH_FALSE) == 0) {
 217         parameters.append(AMBERSAND_MARK);
 218         parameters.append(PUBLISH);
 219         parameters.append(EQUAL_MARK);
 220         parameters.append(PUBLISH_FALSE);
 221     }
 222
 223     if(!status.isEmpty()) {
 224         parameters.append(AMBERSAND_MARK);
 225         parameters.append(DATA);
 226         parameters.append(EQUAL_MARK);
 227         parameters.append(status);
 228     }
 229
 230     return parameters;
 231 }
 232
 233 void SituareService::sendRequest(const QUrl &url, const QString &cookieType, const QString &cookie)
 234 {
 235     qDebug() << __PRETTY_FUNCTION__;
 236
 237     QNetworkRequest request;
 238
 239     request.setUrl(url);
 240     request.setAttribute(QNetworkRequest::CacheSaveControlAttribute, false);
 241     request.setRawHeader(cookieType.toAscii(), cookie.toUtf8());
 242
 243     QNetworkReply *reply = m_networkManager->get(request, true);
 244
 245     m_currentRequests.append(reply);
 246 }
 247
 248 void SituareService::requestFinished(QNetworkReply *reply)
 249 {
 250     qDebug() << __PRETTY_FUNCTION__;
 251
 252     //Reply from situare
 253     if (m_currentRequests.contains(reply)) {
 254
 255         qDebug() << "BytesAvailable: " << reply->bytesAvailable();
 256
 257         if (reply->error()) {
 258             emit error(ErrorContext::NETWORK, reply->error());
 259         } else {
 260             QByteArray replyArray = reply->readAll();
 261             qDebug() << "Reply from: " << reply->url() << "reply " << replyArray;
 262
 263             if(replyArray == ERROR_LAT.toAscii()) {
 264                 qDebug() << "Error: " << ERROR_LAT;
 265                 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
 266             } else if(replyArray == ERROR_LON.toAscii()) {
 267                 qDebug() << "Error: " << ERROR_LON;
 268                 emit error(ErrorContext::SITUARE, SituareError::UPDATE_FAILED);
 269             } else if(replyArray.contains(ERROR_SESSION.toAscii())) {
 270                 qDebug() << "Error: " << ERROR_SESSION;
 271                 emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
 272             } else if(replyArray.startsWith(OPENING_BRACE_MARK.toAscii())) {
 273                 qDebug() << "JSON string";
 274                 parseUserData(replyArray);
 275             } else if(replyArray.isEmpty()) {
 276                 if(reply->url().toString().contains(UPDATE_LOCATION.toAscii())) {
 277                     emit updateWasSuccessful();
 278                 } else {
 279                     // session credentials are invalid
 280                     emit error(ErrorContext::SITUARE, SituareError::SESSION_EXPIRED);
 281                 }
 282             } else {
 283                 // unknown reply
 284                 emit error(ErrorContext::SITUARE, SituareError::ERROR_GENERAL);
 285             }
 286         }
 287         m_currentRequests.removeAll(reply);
 288         reply->deleteLater();
 289     }
 290 }
 291
 292 void SituareService::credentialsReady(const FacebookCredentials &credentials)
 293 {
 294     qDebug() << __PRETTY_FUNCTION__;
 295
 296     m_credentials = credentials;
 297 }
 298
 299 void SituareService::parseUserData(const QByteArray &jsonReply)
 300 {
 301     qDebug() << __PRETTY_FUNCTION__;
 302
 303     m_defaultImage = false;
 304
 305     QJson::Parser parser;
 306     bool ok;
 307
 308     QVariantMap result = parser.parse (jsonReply, &ok).toMap();
 309     if (!ok) {
 310         emit error(ErrorContext::SITUARE, SituareError::INVALID_JSON);
 311         return;
 312     } else {
 313
 314         if(result.contains("ErrorCode")) {
 315             QVariant errorVariant = result.value("ErrorCode");
 316             emit error(ErrorContext::SITUARE, errorVariant.toInt());
 317             return;
 318         } else if(result.contains("user")) {
 319
 320             QVariant userVariant = result.value("user");
 321             QMap<QString, QVariant> userMap = userVariant.toMap();
 322
 323             GeoCoordinate coordinates(userMap["latitude"].toReal(), userMap["longitude"].toReal());
 324
 325             QUrl imageUrl = userMap[NORMAL_SIZE_PROFILE_IMAGE].toUrl();
 326
 327             if(imageUrl.isEmpty()) {
 328                 // user doesn't have profile image, so we need to get him a silhouette image
 329                 m_defaultImage = true;
 330             }
 331
 332             QString address = userMap["address"].toString();
 333             if(address.isEmpty()) {
 334                 QStringList location;
 335                 location.append(QString::number(coordinates.latitude()));
 336                 location.append(QString::number(coordinates.longitude()));
 337                 address = location.join(", ");
 338             }
 339
 340             User user = User(address, coordinates, userMap["name"].toString(),
 341                           userMap["note"].toString(), imageUrl, userMap["timestamp"].toString(),
 342                           true, userMap["uid"].toString());
 343
 344             QList<User> tmpFriendsList;
 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               GeoCoordinate coordinates(friendMap["latitude"].toReal(),friendMap["longitude"].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.latitude()));
 364                   location.append(QString::number(coordinates.longitude()));
 365                   address = location.join(", ");
 366               }
 367
 368               User buddy = User(address, coordinates, friendMap["name"].toString(),
 369                                friendMap["note"].toString(), imageUrl,
 370                                friendMap["timestamp"].toString(),
 371                                false, friendMap["uid"].toString(), distanceMap["units"].toString(),
 372                                distanceMap["value"].toDouble());
 373
 374               tmpFriendsList.append(buddy);
 375             }
 376
 377             QList<QUrl> imageUrlList; // url list for images
 378
 379             // set unchanged profile images or add new images to imageUrlList for downloading
 380             if(m_user) {
 381                 if(m_user->profileImageUrl() != user.profileImageUrl()) {
 382                     if(!user.profileImageUrl().isEmpty())
 383                         imageUrlList.append(user.profileImageUrl());
 384                 } else {
 385                     user.setProfileImage(m_user->profileImage());
 386                 }
 387             } else {
 388                 if(!user.profileImageUrl().isEmpty())
 389                     imageUrlList.append(user.profileImageUrl());
 390             }
 391
 392             // clear old user object
 393             if(m_user) {
 394                 delete m_user;
 395                 m_user = 0;
 396             }
 397
 398             // create new user object from temporary user object
 399             m_user = new User(user);
 400
 401             // set unchanged profile images or add new images to imageUrlList for downloading
 402             if(!m_friendsList.isEmpty()) {
 403                 foreach(User tmpBuddy, tmpFriendsList) {
 404                     if(!tmpBuddy.profileImageUrl().isEmpty()) {
 405                         bool found = false;
 406                         foreach(User *buddy, m_friendsList) {
 407                             if(tmpBuddy.profileImageUrl() == buddy->profileImageUrl()) {
 408                                 tmpBuddy.setProfileImage(buddy->profileImage());
 409                                 found = true;
 410                                 break;
 411                             }
 412                         }
 413                         if(!found && !tmpBuddy.profileImageUrl().isEmpty())
 414                             imageUrlList.append(tmpBuddy.profileImageUrl());
 415                     }
 416                 }
 417             } else {
 418                 foreach(User buddy, tmpFriendsList) {
 419                     if(!buddy.profileImageUrl().isEmpty())
 420                         imageUrlList.append(buddy.profileImageUrl());
 421                 }
 422             }
 423
 424             // clear old friendlist
 425             qDeleteAll(m_friendsList.begin(), m_friendsList.end());
 426             m_friendsList.clear();
 427
 428             // populate new friendlist with temporary friendlist's data
 429             foreach(User tmpFriendItem, tmpFriendsList) {
 430                 User *friendItem = new User(tmpFriendItem);
 431                 m_friendsList.append(friendItem);
 432             }
 433             tmpFriendsList.clear();
 434
 435             emit userDataChanged(m_user, m_friendsList);
 436
 437             // set silhouette image to imageUrlList for downloading
 438             if(m_defaultImage)
 439                 imageUrlList.append(QUrl(SILHOUETTE_URL));
 440
 441             addProfileImages(imageUrlList);
 442             imageUrlList.clear();
 443         } else {
 444             QVariant address = result.value("address");
 445             if(!address.toString().isEmpty()) {
 446                 emit reverseGeoReady(address.toString());
 447             } else {
 448                 QStringList coordinates;
 449                 coordinates.append(result.value("lat").toString());
 450                 coordinates.append(result.value("lon").toString());
 451
 452                 emit error(ErrorContext::SITUARE, SituareError::ADDRESS_RETRIEVAL_FAILED);
 453                 emit reverseGeoReady(coordinates.join(", "));
 454             }
 455         }
 456     }
 457 }
 458
 459 void SituareService::imageReceived(const QUrl &url, const QPixmap &image)
 460 {
 461     qDebug() << __PRETTY_FUNCTION__;
 462     qDebug() << "Image URL: " << url << " size :" << image.size();
 463
 464     // assign facebook silhouette image to all who doesn't have a profile image
 465     if(url == QUrl(SILHOUETTE_URL)) {
 466         if(m_user->profileImageUrl().isEmpty()) {
 467             m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
 468             emit imageReady(m_user);
 469         }
 470         foreach(User *friendItem, m_friendsList) {
 471             if(friendItem->profileImageUrl().isEmpty()) {
 472                 friendItem->setProfileImage(AvatarImage::create(image, AvatarImage::Small));
 473                 emit imageReady(friendItem);
 474             }
 475         }
 476     }
 477
 478     if (m_user->profileImageUrl() == url) {
 479         m_user->setProfileImage(AvatarImage::create(image, AvatarImage::Large));
 480         emit imageReady(m_user);
 481     }
 482
 483     foreach(User *friendItem, m_friendsList) {
 484         if(friendItem->profileImageUrl() == url) {
 485             friendItem->setProfileImage(AvatarImage::create(image, AvatarImage::Small));
 486             emit imageReady(friendItem);
 487         }
 488     }
 489 }
 490
 491 void SituareService::addProfileImages(const QList<QUrl> &imageUrlList)
 492 {
 493     qDebug() << __PRETTY_FUNCTION__;
 494
 495     foreach(QUrl url, imageUrlList) {
 496         emit fetchImage(url);
 497     }
 498 }
 499
 500 void SituareService::clearUserData()
 501 {
 502     qDebug() << __PRETTY_FUNCTION__;
 503
 504     qDeleteAll(m_friendsList.begin(), m_friendsList.end());
 505     m_friendsList.clear();
 506
 507     if(m_user) {
 508         delete m_user;
 509         m_user = 0;
 510     }
 511     emit userDataChanged(m_user, m_friendsList);
 512 }