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youtubesearch.cpp
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youtubesearch.cpp
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#include <QLocale>
#include <QEventLoop>
#include <QMainWindow>
#include "youtubesearch.h"
#include "default_values.h"
#include <QDebug>
#include "createnewyoutubekeydialog.h"
#include <QXmlStreamReader>
extern QSettings *theSettings;
extern QString YOUTUBE_DL_BIN;
extern QMainWindow * findMainWindow();
QImage YPlayList::image() const {
if (m_img.isNull() && m_img_url.isValid()) {
QString error;
return QImage::fromData(YouTubeSearch::downloadResource(m_img_url,error));
}
return m_img;
}
const QString YouTubeSearch::orderByParameterString(YoutubeOrderBy id) {
switch (id) {
case relevance:
return QObject::tr("Relevance");
case date:
return QObject::tr("Date");
case rating:
return QObject::tr("Rating");
case title:
return QObject::tr("Title");
case videoCount:
return QObject::tr("Video count");
case viewCount:
return QObject::tr("View count");
}
return "";
}
const QString YoutubeTime::timeParameterString(YoutubeTimeId id) {
switch (id) {
case before:
return QObject::tr("Before");
case after:
return QObject::tr("After");
}
return "";
}
VideoInfo Media::best_video() const {
QString height_str = theSettings->value("pref_video_size",QString("%1p").arg(DEF_VIDEO_HEIGHT)).toString();
bool ok;
int height = height_str.left(height_str.length()-1).toInt(&ok);
if (!ok) height = DEF_VIDEO_HEIGHT;
return video(height,theSettings->value("pref_video_codec",DEF_VIDEO_CODEC).toString());
}
VideoInfo Media::video(int height,const QString & vcodec) const {
Media * p_this = (Media *)this;
QList<VideoInfo> infos = p_this->video_infos();
if (infos.count() <= 0) return VideoInfo();
VideoInfo min_height_info;
VideoInfo min_info;
VideoInfo equal_height_info;
VideoInfo equal_info;
for (int i=0;i<infos.count();i++) {
if (infos[i].isAudioOnly()) continue;
if (infos[i].desc().height() < height && min_height_info.desc().height() < infos[i].desc().height()) min_height_info = infos[i];
if (infos[i].desc().height() < height && min_info.desc().height() < infos[i].desc().height() && infos[i].desc().vcodec().startsWith(vcodec)) min_info = infos[i];
if (infos[i].desc().height() == height) equal_height_info = infos[i];
if (infos[i].desc().height() == height && infos[i].desc().vcodec().startsWith(vcodec)) equal_info = infos[i];
}
if (equal_info.isValid()) return equal_info;
if (equal_height_info.isValid()) return equal_height_info;
if (min_info.isValid()) return min_info;
if (min_height_info.isValid()) return min_height_info;
return VideoInfo();
}
void Subtitle::download_data() const {
QEventLoop loop;
QNetworkReply * subtitle_reply = YouTubeSearch::manager->get(QNetworkRequest(url()));
subtitle_reply->ignoreSslErrors();
QObject::connect(subtitle_reply,SIGNAL(finished()),&loop,SLOT(quit()));
loop.exec(QEventLoop::ExcludeUserInputEvents);
int statusCode = subtitle_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
((Subtitle *)this)->m_data = subtitle_reply->readAll();
}
subtitle_reply->abort();
subtitle_reply->deleteLater();
}
QList<QByteArray> Media::subtitlesData() const {
QList<QByteArray> ret;
for (int i=0;i<m_subtitles.count();i++) {
ret.append(m_subtitles[i].data());
}
return ret;
}
void Media::download_subtitles_list() {
m_subtitles.clear();
Subtitle subtitle;
QEventLoop loop;
QString user_key = theSettings->value("youtube_user_key","").toString();
QNetworkReply * subtitle_reply = YouTubeSearch::manager->get(QNetworkRequest(QString(YOUTUBE_SUBLISTITEMS_SEARCH).arg(user_key).arg(id())));
subtitle_reply->ignoreSslErrors();
QObject::connect(subtitle_reply,SIGNAL(finished()),&loop,SLOT(quit()));
loop.exec(QEventLoop::ExcludeUserInputEvents);
int statusCode = subtitle_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
QXmlStreamReader xml_reader(subtitle_reply->readAll());
if (xml_reader.readNextStartElement() && xml_reader.name() == "transcript_list") {
while (xml_reader.readNextStartElement()) {
QXmlStreamAttributes attributes = xml_reader.attributes();
if (xml_reader.name() == "track" && attributes.hasAttribute("lang_code") && attributes.hasAttribute("lang_original")) {
subtitle.m_lang_code = attributes.value("lang_code").toString();
subtitle.m_url = QUrl(QString(YOUTUBE_SUBITEM_URL).arg(user_key).arg(id()).arg(subtitle.m_lang_code));
subtitle.m_lang_original = attributes.value("lang_original").toString();
m_subtitles.append(subtitle);
}
}
}
}
subtitle_reply->abort();
subtitle_reply->deleteLater();
}
void Media::download_video_infos() {
if (!m_video_infos.isEmpty()) return;
QProcess links_process;
links_process.setProcessChannelMode(QProcess::MergedChannels);
links_process.start(QString(YOUTUBE_VIDEO_URLS_PROCESS).arg(url().toString()).arg(YOUTUBE_DL_BIN));
links_process.waitForFinished(-1);
if (links_process.exitCode() == 0) {
bool ok;
QtJson::JsonObject result = QtJson::parse(QString::fromUtf8(links_process.readAll()),ok).toMap();
if (!ok) return;
foreach(QVariant v_item, result["formats"].toList()) {
QtJson::JsonObject item = v_item.value<QtJson::JsonObject>();
VideoInfo info;
info.m_desc = FmtDesc(item);
info.m_filename = result["_filename"].toString();
if (info.isAudioOnly()) info.m_filename += "a";
info.m_url = QUrl(item["url"].toString());
m_video_infos.append(info);
}
}
QUrl audio_url;
for (int i=0;i<m_video_infos.count();i++) {
VideoInfo info = m_video_infos.at(i);
if (info.isAudioOnly()) audio_url = info.url();
}
for (int i=0;i<m_video_infos.count();i++) {
VideoInfo info = m_video_infos[i];
if (info.hasExternalAudio()) {
info.m_audio_url = audio_url;
m_video_infos[i] = info;
}
}
download_subtitles_list();
}
static const QString convertYoutubeDuration(const QString & str) {
QByteArray arr = str.toLocal8Bit();
int days = 0;
int hours = 0;
int mins = 0;
int secs = 0;
if (::sscanf(arr.constData(),"P%dDT%dH%dM%dS",&days,&hours,&mins,&secs) != 4) {
days = 0;
hours = 0;
mins = 0;
secs = 0;
if (::sscanf(arr.constData(),"PT%dH%dM%dS",&hours,&mins,&secs) != 3) {
hours = 0;
mins = 0;
secs = 0;
if (::sscanf(arr.constData(),"PT%dM%dS",&mins,&secs) != 2) {
mins = 0;
secs = 0;
if (::sscanf(arr.constData(),"PT%dS",&secs) != 1) return str;
}
}
}
QString ret;
QString temp;
if (days > 0) ret += QString("%1 %2 ").arg(days).arg(QObject::tr("days"));
if (hours > 0) ret += temp.sprintf("%.2d:",hours);
else ret += "00:";
if (mins > 0) ret += temp.sprintf("%.2d:",mins);
else ret += "00:";
if (secs > 0) ret += temp.sprintf("%.2d",secs);
else ret += "00";
return ret;
}
QStringList YouTubeSearch::m_categories = QStringList();
QNetworkAccessManager * YouTubeSearch::manager = NULL;
YouTubeSearch::YouTubeSearch(QObject *parent) : QObject(parent) {
is_processing = false;
if (qApp == NULL) {
qDebug() << "QApplication should be initilized first!!!";
::exit(1);
return;
}
if (manager == NULL) {
manager = new QNetworkAccessManager(qApp);
manager->setConfiguration(QNetworkConfigurationManager().defaultConfiguration());
}
}
YouTubeSearch::~YouTubeSearch() {}
bool YouTubeSearch::search(const QString & userKey,
const QString & query,
const QString & category,
const QString & channel,
const QString & playlist_id,
YoutubeOrderBy orderby,
const YoutubeTime & time,
const QString & pageToken) {
m_userKey = userKey;
m_query = query;
m_orderby = orderby;
m_time = time;
m_nextPageToken.clear();
m_prevPageToken.clear();
m_category = category;
m_playlist_id = playlist_id;
m_pageToken = pageToken;
m_channel_id.clear();
m_channel = channel;
if (m_categories.isEmpty()) download_categories(m_userKey);
else {
m_categoryId = m_categories.indexOf(category);
if (m_categoryId < 0) m_categoryId = 0;
else m_categoryId++;
if (!channel.isEmpty()) download_channel_id(channel);
else return search_again(pageToken);
}
return true;
}
QList<YPlayList> YouTubeSearch::downloadChannelPlaylists(const QString & channel_id,const QString & userKey,YoutubeOrderBy orderby,QString & error) {
return downloadChannelPlaylists(channel_id,userKey,error,"",orderby);
}
QList<YPlayList> YouTubeSearch::downloadChannelPlaylists(const QString & channel_id,const QString & userKey,QString & error,const QString & pageToken,YoutubeOrderBy orderby) {
QString url = QString(YOUTUBE_PLAYLIST_SEARCH).arg(userKey).arg(channel_id).arg(MAX_QUERY_COUNT);
if (!pageToken.isEmpty()) url += QString(PAGE_TOKEN_PART).arg(pageToken);
QString order = orderby_values_en[orderby];
if (!order.isEmpty()) url += QString(ORDER_PART).arg(order);
YPlayList playlist;
QList<YPlayList> ret_list;
QEventLoop loop;
QNetworkReply * m_reply = manager->get(QNetworkRequest(url));
m_reply->ignoreSslErrors();
connect(m_reply,SIGNAL(finished()),&loop,SLOT(quit()));
loop.exec(QEventLoop::ExcludeUserInputEvents);
int statusCode = m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
error = m_reply->errorString();
m_reply->abort();
m_reply->deleteLater();
if (statusCode >= 200 && statusCode < 300) {
bool ok;
QtJson::JsonObject result = QtJson::parse(QString::fromUtf8(m_reply->readAll()),ok).toMap();
if (!ok) {
error = tr("JSON parsing error!");
}
else {
QString nextPageToken = result["nextPageToken"].toString();
foreach(QVariant v_item, result["items"].toList()) {
QtJson::JsonObject item = v_item.value<QtJson::JsonObject>();
QtJson::JsonObject snippet = item["snippet"].toMap();
QtJson::JsonObject id = item["id"].toMap();
playlist.m_id = id["playlistId"].toString();
playlist.m_title = snippet["title"].toString();
QtJson::JsonObject thumbnails = snippet["thumbnails"].toMap();
QtJson::JsonObject high = thumbnails["high"].toMap();
if (!high.isEmpty()) playlist.m_img_url = QUrl(high["url"].toString());
else {
QtJson::JsonObject medium = thumbnails["medium"].toMap();
if (!medium.isEmpty()) playlist.m_img_url = QUrl(medium["url"].toString());
else {
QtJson::JsonObject def = thumbnails["default"].toMap();
if (!def.isEmpty()) playlist.m_img_url = QUrl(def["url"].toString());
}
}
if (playlist.m_img_url.isEmpty()) playlist.m_img = QImage(":/images/res/default.png");
ret_list.append(playlist);
}
error.clear();
if (!nextPageToken.isEmpty()) ret_list += downloadChannelPlaylists(channel_id,userKey,error,nextPageToken,orderby);
}
if (ok) {
foreach(QVariant v_error, result["error"].toMap()) {
QtJson::JsonObject error_tag = v_error.value<QtJson::JsonObject>();
error = error_tag["message"].toString();
}
}
}
return ret_list;
}
QString YouTubeSearch::parseChannelId(const QByteArray & data,const QString & channel_name,QString & error) {
bool ok;
QtJson::JsonObject result = QtJson::parse(QString::fromUtf8(data),ok).toMap();
if (!ok) {
error = tr("JSON parsing error!");
}
else {
foreach(QVariant v_item, result["items"].toList()) {
QtJson::JsonObject item = v_item.value<QtJson::JsonObject>();
QtJson::JsonObject snippet = item["snippet"].toMap();
if (channel_name == snippet["title"].toString()) {
return snippet["channelId"].toString();
}
}
}
if (ok) {
foreach(QVariant v_error, result["error"].toMap()) {
QtJson::JsonObject error_tag = v_error.value<QtJson::JsonObject>();
error = error_tag["message"].toString();
}
}
return QString();
}
QString YouTubeSearch::downloadChannelId(const QString & channel_name,const QString & userKey,QString & error) {
if (channel_name.isEmpty()) {
error = "Input channel name is empty!!!";
return QString();
}
QString channel_id;
QString url = QString(YOUTUBE_CHANNELLIST_SEARCH).arg(userKey);
url += QString(QUERY_PART).arg(channel_name);
QEventLoop loop;
QNetworkReply * m_reply = manager->get(QNetworkRequest(url));
m_reply->ignoreSslErrors();
connect(m_reply,SIGNAL(finished()),&loop,SLOT(quit()));
loop.exec(QEventLoop::ExcludeUserInputEvents);
int statusCode = m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
channel_id = parseChannelId(m_reply->readAll(),channel_name,error);
}
else error = m_reply->errorString();
m_reply->abort();
m_reply->deleteLater();
return channel_id;
}
void YouTubeSearch::download_channel_id(const QString & channel_name) {
if (channel_name.isEmpty()) return;
QString url = QString(YOUTUBE_CHANNELLIST_SEARCH).arg(m_userKey);
url += QString(QUERY_PART).arg(channel_name);
QNetworkReply * m_reply = manager->get(QNetworkRequest(url));
m_reply->setProperty("channel_name",channel_name);
m_reply->setProperty("type","main");
m_reply->ignoreSslErrors();
resources_map[m_reply] = 0;
connect(m_reply,SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(was_error(QNetworkReply::NetworkError)));
connect(m_reply,SIGNAL(finished()),this,SLOT(on_channel_id_finished()));
}
void YouTubeSearch::on_channel_id_finished() {
QNetworkReply * m_reply = (QNetworkReply *)QObject::sender();
int statusCode = m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
QString err;
m_channel_id = parseChannelId(m_reply->readAll(),m_reply->property("channel_name").toString(),err);
if (!err.isEmpty()) emit error(100,err);
else search_again(m_pageToken);
}
if (m_channel_id.isEmpty()) emit completed(m_medias);
resources_map.remove(m_reply);
m_reply->abort();
m_reply->deleteLater();
}
const QStringList YouTubeSearch::categories() {
if (m_categories.isEmpty()) {
YouTubeSearch().download_categories(theSettings->value("youtube_user_key","").toString(),true);
}
return m_categories;
}
bool YouTubeSearch::search_again(const QString & pageToken) {
if (m_userKey.isEmpty()) return false;
if (is_in_processing()) return false;
if (m_query.isEmpty() && m_channel_id.isEmpty()) return false;
is_processing = true;
m_thread_count = theSettings->value("threads_count",THREADS_COUNT).toInt();
m_medias.clear();
resources_map.clear();
QString url;
if (m_playlist_id.isEmpty()) {
url = QString(YOUTUBE_VIDEOLIST_SEARCH).arg(m_userKey).arg(MAX_QUERY_COUNT);
if (m_categoryId > 0) url += QString(CATEGORY_PART).arg(m_categoryId);
if (!m_query.isEmpty()) url += QString(QUERY_PART).arg(m_query);
if (!m_channel_id.isEmpty()) url += QString(AUTHOR_PART).arg(m_channel_id);
if (!m_time.isNull()) url += m_time.toString();
}
else url = QString(YOUTUBE_PLAYLISTITEMS_SEARCH).arg(m_userKey).arg(m_playlist_id).arg(MAX_QUERY_COUNT);
if (!pageToken.isEmpty()) url += QString(PAGE_TOKEN_PART).arg(pageToken);
QString order = orderby_values_en[m_orderby];
if (!order.isEmpty()) url += QString(ORDER_PART).arg(order);
QNetworkReply * m_reply = manager->get(QNetworkRequest(url));
m_reply->setProperty("type","main");
m_reply->ignoreSslErrors();
resources_map[m_reply] = 0;
connect(m_reply,SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(was_error(QNetworkReply::NetworkError)));
connect(m_reply,SIGNAL(finished()),this,SLOT(finished()));
return true;
}
void YouTubeSearch::terminate_processing(QIODevice * ignore_device) {
QMap<QNetworkReply *,int> resources_map_temp = resources_map;
resources_map.clear();
QMapIterator<QNetworkReply *,int> i(resources_map_temp);
while (i.hasNext()) {
i.next();
QNetworkReply * device = i.key();
if (device != ignore_device) {
device->disconnect(SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(was_error(QNetworkReply::NetworkError)));
device->disconnect(SIGNAL(finished()),0,0);
device->abort();
delete device;
}
}
is_processing = false;
m_medias.clear();
if (resources_map.count() > 0) terminate_processing(ignore_device);
else emit completed(m_medias);
}
void YouTubeSearch::was_error(QNetworkReply::NetworkError err) {
QNetworkReply * m_device = (QNetworkReply *)QObject::sender();
if ((m_device->property("type").toString() == "image") && (err == QNetworkReply::ContentNotFoundError)) return;
QString err_str = m_device->errorString();
m_device->disconnect(SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(was_error(QNetworkReply::NetworkError)));
m_device->disconnect(SIGNAL(finished()),0,0);
m_device->abort();
terminate_processing(m_device);
emit error(m_device->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(),err_str);
m_device->deleteLater();
}
void YouTubeSearch::finished() {
QNetworkReply * m_reply = (QNetworkReply *)QObject::sender();
if (m_reply == NULL) return;
QtJson::JsonObject id;
int statusCode = m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
bool ok;
QtJson::JsonObject result = QtJson::parse(QString::fromUtf8(m_reply->readAll()),ok).toMap();
if (!ok) {
emit error(100,tr("JSON parsing error!"));
}
else {
m_nextPageToken = result["nextPageToken"].toString();
m_prevPageToken = result["prevPageToken"].toString();
foreach(QVariant v_item, result["items"].toList()) {
QtJson::JsonObject item = v_item.value<QtJson::JsonObject>();
Media media;
QtJson::JsonObject snippet = item["snippet"].toMap();
if (m_playlist_id.isEmpty()) id = item["id"].toMap();
else id = snippet["resourceId"].toMap();
media.m_id = id["videoId"].toString();
media.m_date = QDateTime::fromString(snippet["publishedAt"].toString().left(19)+"+00:00",Qt::ISODate);
media.m_title = snippet["title"].toString();
media.m_channel_id = snippet["channelId"].toString();
QtJson::JsonObject thumbnails = snippet["thumbnails"].toMap();
QtJson::JsonObject high = thumbnails["high"].toMap();
if (!high.isEmpty()) media.m_image_url = QUrl(high["url"].toString());
else {
QtJson::JsonObject medium = thumbnails["medium"].toMap();
if (!medium.isEmpty()) media.m_image_url = QUrl(medium["url"].toString());
else {
QtJson::JsonObject def = thumbnails["default"].toMap();
if (!def.isEmpty()) media.m_image_url = QUrl(def["url"].toString());
}
}
if (media.m_image_url.isEmpty()) media.m_image = QImage(":/images/res/default.png");
media.m_author = snippet["channelTitle"].toString();
media.m_url = QUrl(QString(YOUTUBE_URL_FORMAT).arg(media.id()));
media.m_comments_url = QUrl(QString(YOUTUBE_COMMENTS_SEARCH).arg(m_userKey).arg(media.id()));
m_medias << media;
}
}
if (ok) {
foreach(QVariant v_error, result["error"].toMap()) {
QtJson::JsonObject error_tag = v_error.value<QtJson::JsonObject>();
emit error(error_tag["code"].toInt(),error_tag["message"].toString());
}
}
}
m_reply->deleteLater();
if (m_medias.count() > 0) {
resources_map.clear();
start_download_previews();
}
else {
is_processing = false;
emit completed(m_medias);
}
}
void YouTubeSearch::download_categories(const QString & userKey,bool do_loop) {
QString url = QString(YOUTUBE_VIDEO_CATEGORIES).arg(userKey);
QEventLoop loop;
QNetworkReply * m_reply = manager->get(QNetworkRequest(url));
m_reply->ignoreSslErrors();
connect(m_reply,SIGNAL(finished()),this,SLOT(on_categories_finished()));
if (do_loop) {
connect(m_reply,SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(get_categories_was_error(QNetworkReply::NetworkError)));
connect(m_reply,SIGNAL(finished()),&loop,SLOT(quit()));
loop.exec(QEventLoop::ExcludeUserInputEvents);
}
else {
m_reply->setProperty("type","main");
resources_map[m_reply] = 0;
connect(m_reply,SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(was_error(QNetworkReply::NetworkError)));
}
}
void YouTubeSearch::get_categories_was_error(QNetworkReply::NetworkError err) {
QNetworkReply * m_device = (QNetworkReply *)QObject::sender();
if (err == QNetworkReply::ContentNotFoundError) return;
int statusCode = m_device->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if ((statusCode == 400) || (statusCode == 403)) return;
emit error(statusCode,m_device->errorString());
}
void YouTubeSearch::on_categories_finished() {
QNetworkReply * m_reply = (QNetworkReply *)QObject::sender();
int statusCode = m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
bool ok;
QtJson::JsonObject result = QtJson::parse(QString::fromUtf8(m_reply->readAll()),ok).toMap();
if (!ok) {
emit error(100,tr("JSON parsing error!"));
}
else {
foreach(QVariant v_item, result["items"].toList()) {
QtJson::JsonObject item = v_item.value<QtJson::JsonObject>();
m_categories << item["snippet"].toMap()["title"].toString();
}
}
if (ok) {
foreach(QVariant v_error, result["error"].toMap()) {
QtJson::JsonObject error_tag = v_error.value<QtJson::JsonObject>();
emit error(error_tag["code"].toInt(),error_tag["message"].toString());
}
}
}
resources_map.remove(m_reply);
m_reply->abort();
m_reply->deleteLater();
if (m_categories.isEmpty() && ((statusCode == 400) || (statusCode == 403))) {
CreateNewYoutubeKeyDialog dlg(findMainWindow());
if (dlg.exec() == QDialog::Rejected) {
qApp->quit();
return;
}
m_userKey=dlg.key();
theSettings->setValue("youtube_user_key",m_userKey);
download_categories(m_userKey);
return;
}
else if (m_categories.isEmpty()) {
qApp->quit();
return;
}
m_categoryId = m_categories.indexOf(m_category);
if (m_categoryId < 0) m_categoryId = 0;
else m_categoryId++;
if (!m_channel.isEmpty()) download_channel_id(m_channel);
else search_again(m_pageToken);
}
QByteArray YouTubeSearch::downloadResource(const QUrl & url,QString & error) {
QByteArray ret_data;
QEventLoop loop;
QNetworkReply * image_reply = manager->get(QNetworkRequest(url));
image_reply->ignoreSslErrors();
connect(image_reply,SIGNAL(finished()),&loop,SLOT(quit()));
loop.exec(QEventLoop::ExcludeUserInputEvents);
int statusCode = image_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) ret_data = image_reply->readAll();
else error = image_reply->errorString();
image_reply->abort();
image_reply->deleteLater();
return ret_data;
}
void YouTubeSearch::start_download_previews() {
bool replyStarted = false;
for (int i=0;i<m_medias.count();i++) {
if (resources_map.count() >= m_thread_count) break;
if (m_medias[i].image().isNull()) {
if (resources_map.key(i,NULL) == NULL) {
QNetworkReply * reply = getImageDownloadReply(m_medias[i].image_url());
resources_map[reply] = i;
replyStarted = true;
}
}
}
if (!replyStarted && resources_map.isEmpty()) {
start_download_full_descriptions();
}
}
QNetworkReply * YouTubeSearch::getImageDownloadReply(const QUrl & image_url) {
QNetworkReply * image_reply = manager->get(QNetworkRequest(image_url));
image_reply->setProperty("type","image");
image_reply->ignoreSslErrors();
connect(image_reply,SIGNAL(finished()),this,SLOT(image_finished()));
connect(image_reply,SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(was_error(QNetworkReply::NetworkError)));
return image_reply;
}
void YouTubeSearch::image_finished() {
QNetworkReply * image_reply = (QNetworkReply *)QObject::sender();
if (image_reply == NULL) return;
int statusCode = image_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
QByteArray data = image_reply->readAll();
m_medias[resources_map[image_reply]].m_image = (data.isEmpty()?QImage(":/images/res/default.png"):QImage::fromData(data)).scaled(theSettings->value("preview_size",QSize(PREVIEW_WIDTH,PREVIEW_HEIGHT)).toSize(),Qt::KeepAspectRatio);
}
else {
if (statusCode == 404) {
m_medias[resources_map[image_reply]].m_image = QImage(":/images/res/default.png").scaled(theSettings->value("preview_size",QSize(PREVIEW_WIDTH,PREVIEW_HEIGHT)).toSize());
}
}
resources_map.remove(image_reply);
image_reply->deleteLater();
start_download_previews();
}
void YouTubeSearch::start_download_full_descriptions() {
bool replyStarted = false;
for (int i=0;i<m_medias.count();i++) {
if (resources_map.count() >= m_thread_count) break;
if (m_medias[i].description().isNull() && !m_medias[i].doIgnore()) {
if (resources_map.key(i,NULL) == NULL) {
QNetworkReply * reply = getDescriptionDownloadReply(QString(YOUTUBE_VIDEOINFO_SEARCH).arg(m_userKey).arg(m_medias[i].id()));
resources_map[reply] = i;
replyStarted = true;
}
}
}
if (!replyStarted && resources_map.isEmpty()) {
is_processing = false;
for (int i=(m_medias.count()-1);i>=0;i--) {
if (m_medias[i].doIgnore()) m_medias.removeAt(i);
}
emit completed(m_medias);
}
}
QNetworkReply * YouTubeSearch::getDescriptionDownloadReply(const QUrl & url) {
QNetworkReply * desc_reply = manager->get(QNetworkRequest(url));
desc_reply->setProperty("type","desc");
desc_reply->ignoreSslErrors();
connect(desc_reply,SIGNAL(finished()),this,SLOT(desc_finished()));
connect(desc_reply,SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(was_error(QNetworkReply::NetworkError)));
return desc_reply;
}
void YouTubeSearch::desc_finished() {
QNetworkReply * desc_reply = (QNetworkReply *)QObject::sender();
if (desc_reply == NULL) return;
int statusCode = desc_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (statusCode >= 200 && statusCode < 300) {
bool ok;
QtJson::JsonObject result = QtJson::parse(QString::fromUtf8(desc_reply->readAll()),ok).toMap();
if (!ok) {
emit error(100,tr("JSON parsing error!"));
}
else {
bool is_ok = false;
foreach(QVariant v_item, result["items"].toList()) {
QtJson::JsonObject item = v_item.value<QtJson::JsonObject>();
QtJson::JsonObject snippet = item["snippet"].toMap();
QtJson::JsonObject contentDetails = item["contentDetails"].toMap();
QtJson::JsonObject statistics = item["statistics"].toMap();
double likeCount = statistics["likeCount"].toDouble();
double dislikeCount = statistics["dislikeCount"].toDouble();
QString desc = snippet["description"].toString();
if (desc.isNull()) desc="";
m_medias[resources_map[desc_reply]].m_description = desc;
m_medias[resources_map[desc_reply]].m_duration = convertYoutubeDuration(contentDetails["duration"].toString());
m_medias[resources_map[desc_reply]].m_rating = ((likeCount-dislikeCount)*5.0)/(likeCount+dislikeCount);
int categoryId = snippet["categoryId"].toInt()-1;
if ((categoryId >= 0) && (m_categories.count() > categoryId)) m_medias[resources_map[desc_reply]].m_category = m_categories[categoryId];
is_ok = true;
}
if (!is_ok) {
m_medias[resources_map[desc_reply]].m_ignore = true;
}
}
if (ok) {
foreach(QVariant v_error, result["error"].toMap()) {
QtJson::JsonObject error_tag = v_error.value<QtJson::JsonObject>();
emit error(error_tag["code"].toInt(),error_tag["message"].toString());
}
}
}
resources_map.remove(desc_reply);
desc_reply->deleteLater();
start_download_full_descriptions();
}
bool YouTubeSearch::is_in_processing() {
return is_processing;
}