git.maemo.org Git - movie-schedule/blob - src/searchclients/abstractsearchclient.cpp

   1 // Copyright 2010 Jochen Becher
   2 //
   3 // This file is part of MovieSchedule.
   4 //
   5 // MovieSchedule is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // MovieSchedule is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with MovieSchedule.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 #include "abstractsearchclient.h"
  19
  20 #include "utils/timeutils.h"
  21
  22 #include <QMutexLocker>
  23 #include <iostream>
  24
  25 AbstractSearchClient::AbstractSearchClient(QObject *parent)
  26     : QObject(parent),
  27     _network(new QNetworkAccessManager(this)),
  28     _search_task_id(INVALID_SEARCH_TASK_ID),
  29     _start(0)
  30 {
  31     connect(_network, SIGNAL(finished(QNetworkReply *)),
  32             this, SLOT(ReplyFinished(QNetworkReply*)));
  33     {
  34         QMutexLocker locker(&_next_search_task_id_mutex);
  35         _search_task_id = _next_search_task_id++;
  36     }
  37 }
  38
  39 AbstractSearchClient::~AbstractSearchClient()
  40 {
  41 }
  42
  43 void AbstractSearchClient::Search(const QUrl &url, int start)
  44 {
  45     _start = start;
  46     if (start == 0) {
  47         emit SearchStarted(_search_task_id);
  48     }
  49     QNetworkRequest request;
  50     QUrl xurl(url);
  51     if (_start != 0) {
  52         xurl.addQueryItem("start", QString::number(_start));
  53     }
  54     FixLocation(&xurl);
  55     //std::cout << "URL: " << qPrintable(QString(xurl.toEncoded())) << std::endl;
  56     request.setUrl(xurl);
  57     //request.setRawHeader("User-Agent", "Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.1.9) Gecko/20100401 Ubuntu/9.10 (karmic) Firefox/3.5.9");
  58     request.setRawHeader("User-Agent", "Mozilla/5.0");
  59     //request.setRawHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
  60     request.setRawHeader("Accept", "application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
  61     request.setRawHeader("Accept-Language", "en-gb;q=1.0,en;q=0.9,de-de;q=0.5,de;q=0.3");
  62     //request.setRawHeader("Accept-Encoding", "gzip,deflate");
  63     request.setRawHeader("Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
  64     request.setRawHeader("Keep-Alive", "300");
  65     request.setRawHeader("Connection", "keep-alive");
  66     request.setRawHeader("Cache-Control", "max-age=0");
  67     QNetworkReply *reply = _network->get(request);
  68     connect(reply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(DownloadProgress(qint64,qint64)));
  69     connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(NetworkError(QNetworkReply::NetworkError)));
  70 }
  71
  72 void AbstractSearchClient::DownloadProgress(qint64 a,qint64 b)
  73 {
  74     //std::cout << "Search Progress of " << qPrintable(objectName()) << " - " << a << ", " << b << std::endl;
  75     //sleep(1);
  76     emit Progress(_search_task_id, a, b);
  77 }
  78
  79 void AbstractSearchClient::NetworkError(QNetworkReply::NetworkError error)
  80 {
  81     emit SearchFinished(_search_task_id, false);
  82     std::cout << "ERROR: " << error << std::endl;
  83     emit Error(_search_task_id);
  84     sender()->deleteLater();
  85     deleteLater();
  86 }
  87
  88 QList<QTime> AbstractSearchClient::TimesFromString(const QList<QString> &time_strings)
  89 {
  90     QList<QTime> schedule_times;
  91     bool am_pm = false;
  92     Q_FOREACH(const QString time_str, time_strings) {
  93         if (time_str.endsWith("am", Qt::CaseInsensitive) || time_str.endsWith("pm", Qt::CaseInsensitive)) {
  94             am_pm = true;
  95         }
  96     }
  97     if (am_pm) {
  98         int i = 0;
  99         bool am = true;
 100         while (i < time_strings.length()) {
 101             int j = i;
 102             while (i < time_strings.length()) {
 103                 if (time_strings[i].endsWith("am", Qt::CaseInsensitive)) {
 104                     am = true;
 105                     break;
 106                 } else if (time_strings[i].endsWith("pm", Qt::CaseInsensitive)) {
 107                     am = false;
 108                     break;
 109                 }
 110                 ++i;
 111             }
 112             while (j < i) {
 113                 QString time_str = time_strings[j] + (am ? "am" : "pm");
 114                 QTime time = TimeUtils::FromTimeString(time_str);
 115                 if (time.isValid()) {
 116                     schedule_times.append(time);
 117                 } else {
 118                     std::cout << "ERROR: time " << qPrintable(time_str) << " is invalid." << std::endl;
 119                 }
 120                 ++j;
 121             }
 122             if (i < time_strings.length()) {
 123                 QString time_str = time_strings[i];
 124                 QTime time = TimeUtils::FromTimeString(time_str);
 125                 if (time.isValid()) {
 126                     schedule_times.append(time);
 127                 } else {
 128                     std::cout << "ERROR: time " << qPrintable(time_str) << " is invalid." << std::endl;
 129                 }
 130                 schedule_times.append(time);
 131             }
 132             ++i;
 133         }
 134     } else {
 135         Q_FOREACH(const QString time_str, time_strings) {
 136             QTime time = TimeUtils::FromTimeString(time_str);
 137             if (time.isValid()) {
 138                 schedule_times.append(time);
 139             } else {
 140                 std::cout << "ERROR: time " << qPrintable(time_str) << " is invalid." << std::endl;
 141             }
 142         }
 143     }
 144     return schedule_times;
 145 }
 146
 147 void AbstractSearchClient::FixLocation(QUrl *url)
 148 {
 149     // Try to fix the Google url which returns
 150     // wrong locations in some links
 151     if (_location.isNull()) {
 152         // Fetch location from url on first call (which is still correct)
 153         if (url->hasQueryItem("loc")) {
 154             _location = url->queryItemValue("loc");
 155         } else if (url->hasQueryItem("near")) {
 156             _location = url->queryItemValue("near");
 157         } else if (url->hasQueryItem("defaultloc")) {
 158             _location = url->queryItemValue("defaultloc");
 159         }
 160     } else {
 161         // Replace with fetched location in later calls
 162         if (url->hasQueryItem("loc")) {
 163             url->removeAllQueryItems("loc");
 164             url->addQueryItem("loc", _location);
 165         }
 166         if (url->hasQueryItem("near")) {
 167             url->removeAllQueryItems("near");
 168             url->addQueryItem("near", _location);
 169         }
 170         if (url->hasQueryItem("defaultloc")) {
 171             url->removeAllQueryItems("defaultloc");
 172             url->addQueryItem("defaultloc", _location);
 173         }
 174     }
 175 }
 176
 177 QMutex AbstractSearchClient::_next_search_task_id_mutex;
 178 int AbstractSearchClient::_next_search_task_id = 1;