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[minitube] / src / channelsuggest.cpp
1 /* $BEGIN_LICENSE
2
3 This file is part of Minitube.
4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
5
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.
10
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.
15
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/>.
18
19 $END_LICENSE */
20
21 #include "channelsuggest.h"
22 #include "http.h"
23 #include "httputils.h"
24
25 ChannelSuggest::ChannelSuggest(QObject *parent) : Suggester(parent) {
26
27 }
28
29 void ChannelSuggest::suggest(const QString &query) {
30     QUrl url("https://www.youtube.com/results");
31     QUrlQuery q;
32     q.addQueryItem("search_type", "search_users");
33     q.addQueryItem("search_query", query);
34     url.setQuery(q);
35
36     QObject *reply = HttpUtils::yt().get(url);
37     connect(reply, SIGNAL(data(QByteArray)), SLOT(handleNetworkData(QByteArray)));
38 }
39
40 void ChannelSuggest::handleNetworkData(QByteArray data) {
41     const int maxSuggestions = 10;
42     QStringList choices;
43     choices.reserve(maxSuggestions);
44     QVector<Suggestion*> suggestions;
45     suggestions.reserve(maxSuggestions);
46
47     QString html = QString::fromUtf8(data);
48     QRegExp re("/(?:user|channel)/[a-zA-Z0-9]+[^>]+data-ytid=[\"']([^\"']+)[\"'][^>]+>([a-zA-Z0-9 ]+)</a>");
49
50     int pos = 0;
51     while ((pos = re.indexIn(html, pos)) != -1) {
52         QString choice = re.cap(2);
53         if (!choices.contains(choice, Qt::CaseInsensitive)) {
54             qDebug() << re.capturedTexts();
55             QString channelId = re.cap(1);
56             suggestions << new Suggestion(choice, "channel", channelId);
57             choices << choice;
58             if (choices.size() == maxSuggestions) break;
59         }
60         pos += re.matchedLength();
61     }
62
63     emit ready(suggestions);
64 }