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 qDebug() << __PRETTY_FUNCTION__ << nextPageToken;
45 return !nextPageToken.isEmpty();
48 bool PaginatedVideoSource::maybeReloadToken(int max, int startIndex) {
49 // kind of hackish. Thank the genius who came up with this stateful stuff
50 // in a supposedly RESTful (aka stateless) API.
52 if (nextPageToken.isEmpty()) {
53 // previous request did not return a page token. Game over.
54 // emit gotVideos(QList<Video*>());
59 if (isPageTokenExpired()) {
60 reloadingToken = true;
62 currentStartIndex = startIndex;
69 bool PaginatedVideoSource::setPageToken(const QString &value) {
70 tokenTimestamp = QDateTime::currentDateTime().toTime_t();
71 nextPageToken = value;
74 reloadingToken = false;
75 loadVideos(currentMax, currentStartIndex);
76 currentMax = currentStartIndex = 0;
83 bool PaginatedVideoSource::isPageTokenExpired() {
84 uint now = QDateTime::currentDateTime().toTime_t();
85 return now - tokenTimestamp > 1800;
88 void PaginatedVideoSource::reloadToken() {
89 qDebug() << "Reloading pageToken";
90 QObject *reply = The::http()->get(lastUrl);
91 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseResults(QByteArray)));
92 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(requestError(QNetworkReply*)));
95 void PaginatedVideoSource::loadVideoDetails(const QList<Video*> &videos) {
97 foreach (Video *video, videos) {
98 // TODO get video details from cache
99 if (!videoIds.isEmpty()) videoIds += ",";
100 videoIds += video->id();
101 this->videos = videos;
102 videoMap.insert(video->id(), video);
105 if (videoIds.isEmpty()) {
107 emit gotVideos(videos);
108 emit finished(videos.size());
113 QUrl url = YT3::instance().method("videos");
115 QUrlQueryHelper urlHelper(url);
116 urlHelper.addQueryItem("part", "contentDetails,statistics");
117 urlHelper.addQueryItem("id", videoIds);
120 QObject *reply = The::http()->get(url);
121 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseVideoDetails(QByteArray)));
122 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(requestError(QNetworkReply*)));
125 void PaginatedVideoSource::parseVideoDetails(const QByteArray &bytes) {
127 QScriptEngine engine;
128 QScriptValue json = engine.evaluate("(" + QString::fromUtf8(bytes) + ")");
130 QScriptValue items = json.property("items");
131 if (items.isArray()) {
132 QScriptValueIterator it(items);
133 while (it.hasNext()) {
135 QScriptValue item = it.value();
136 if (!item.isObject()) continue;
138 // qDebug() << item.toString();
140 QString id = item.property("id").toString();
141 Video *video = videoMap.value(id);
143 qWarning() << "No video for id" << id;
147 QString isoPeriod = item.property("contentDetails").property("duration").toString();
148 int duration = DataUtils::parseIsoPeriod(isoPeriod);
149 video->setDuration(duration);
151 uint viewCount = item.property("statistics").property("viewCount").toUInt32();
152 video->setViewCount(viewCount);
154 // TODO cache by etag?
158 emit gotVideos(videos);
159 emit finished(videos.size());