3 This file is part of Minitube.
4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
6 Minitube is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 Minitube 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.
16 You should have received a copy of the GNU General Public License
17 along with Minitube. If not, see <http://www.gnu.org/licenses/>.
21 #include "paginatedvideosource.h"
24 #include "yt3listparser.h"
25 #include "datautils.h"
26 #include "compatibility/qurlqueryhelper.h"
29 #include "networkaccess.h"
32 NetworkAccess* http();
33 QHash<QString, QAction*>* globalActions();
36 PaginatedVideoSource::PaginatedVideoSource(QObject *parent) : VideoSource(parent)
39 , currentStartIndex(0)
40 , reloadingToken(false)
41 , asyncDetails(false) { }
43 bool PaginatedVideoSource::hasMoreVideos() {
44 return !nextPageToken.isEmpty();
47 bool PaginatedVideoSource::maybeReloadToken(int max, int startIndex) {
48 // kind of hackish. Thank the genius who came up with this stateful stuff
49 // in a supposedly RESTful (aka stateless) API.
51 if (nextPageToken.isEmpty()) {
52 // previous request did not return a page token. Game over.
53 // emit gotVideos(QList<Video*>());
58 if (isPageTokenExpired()) {
59 reloadingToken = true;
61 currentStartIndex = startIndex;
68 bool PaginatedVideoSource::setPageToken(const QString &value) {
69 tokenTimestamp = QDateTime::currentDateTime().toTime_t();
70 nextPageToken = value;
73 reloadingToken = false;
74 loadVideos(currentMax, currentStartIndex);
75 currentMax = currentStartIndex = 0;
82 bool PaginatedVideoSource::isPageTokenExpired() {
83 uint now = QDateTime::currentDateTime().toTime_t();
84 return now - tokenTimestamp > 1800;
87 void PaginatedVideoSource::reloadToken() {
88 qDebug() << "Reloading pageToken";
89 QObject *reply = The::http()->get(lastUrl);
90 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseResults(QByteArray)));
91 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(requestError(QNetworkReply*)));
94 void PaginatedVideoSource::loadVideoDetails(const QList<Video*> &videos) {
96 foreach (Video *video, videos) {
97 // TODO get video details from cache
98 if (!videoIds.isEmpty()) videoIds += ",";
99 videoIds += video->id();
100 this->videos = videos;
101 videoMap.insert(video->id(), video);
104 if (videoIds.isEmpty()) {
106 emit gotVideos(videos);
107 emit finished(videos.size());
112 QUrl url = YT3::instance().method("videos");
114 QUrlQueryHelper urlHelper(url);
115 urlHelper.addQueryItem("part", "contentDetails,statistics");
116 urlHelper.addQueryItem("id", videoIds);
119 QObject *reply = The::http()->get(url);
120 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseVideoDetails(QByteArray)));
121 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(requestError(QNetworkReply*)));
124 void PaginatedVideoSource::parseVideoDetails(const QByteArray &bytes) {
126 QScriptEngine engine;
127 QScriptValue json = engine.evaluate("(" + QString::fromUtf8(bytes) + ")");
129 QScriptValue items = json.property("items");
130 if (items.isArray()) {
131 QScriptValueIterator it(items);
132 while (it.hasNext()) {
134 QScriptValue item = it.value();
135 if (!item.isObject()) continue;
137 // qDebug() << item.toString();
139 QString id = item.property("id").toString();
140 Video *video = videoMap.value(id);
142 qWarning() << "No video for id" << id;
146 QString isoPeriod = item.property("contentDetails").property("duration").toString();
147 int duration = DataUtils::parseIsoPeriod(isoPeriod);
148 video->setDuration(duration);
150 uint viewCount = item.property("statistics").property("viewCount").toUInt32();
151 video->setViewCount(viewCount);
153 // TODO cache by etag?
157 emit gotVideos(videos);
158 emit finished(videos.size());