Renamed playlist to playqueue

src/ui/PlayQueueView.cpp

@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2018 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <Wt/WAnchor>
+#include <Wt/WImage>
+#include <Wt/WText>
+
+#include "utils/Logger.hpp"
+
+#include "LmsApplication.hpp"
+#include "PlayQueueView.hpp"
+
+namespace UserInterface {
+
+static const std::string currentPlayQueueName = "__current__playqueue__";
+
+PlayQueue::PlayQueue(Wt::WContainerWidget* parent)
+: Wt::WContainerWidget(parent)
+{
+	auto container = new Wt::WTemplate(Wt::WString::tr("template-playqueue"), this);
+	container->addFunction("tr", &Wt::WTemplate::Functions::tr);
+
+	auto saveBtn = new Wt::WText(Wt::WString::tr("btn-playqueue-save-btn"), Wt::XHTMLText);
+	container->bindWidget("save-btn", saveBtn);
+
+	auto loadBtn = new Wt::WText(Wt::WString::tr("btn-playqueue-load-btn"), Wt::XHTMLText);
+	container->bindWidget("load-btn", loadBtn);
+
+	auto clearBtn = new Wt::WText(Wt::WString::tr("btn-playqueue-clear-btn"), Wt::XHTMLText);
+	container->bindWidget("clear-btn", clearBtn);
+
+	_entriesContainer = new Wt::WContainerWidget();
+	container->bindWidget("entries", _entriesContainer);
+
+	_showMore = new Wt::WTemplate(Wt::WString::tr("template-show-more"));
+	_showMore->addFunction("tr", &Wt::WTemplate::Functions::tr);
+	_showMore->setHidden(true);
+	container->bindWidget("show-more", _showMore);
+
+	_showMore->clicked().connect(std::bind([=]
+	{
+		addSome();
+	}));
+
+	refresh();
+}
+
+void
+PlayQueue::addTracks(const std::vector<Database::Track::pointer>& tracks)
+{
+	// Use a "session" playqueue in order to store the current playqueue
+	// so that the user can disconnect and get its playqueue back
+
+	LMS_LOG(UI, DEBUG) << "Adding tracks to the current queue";
+
+	auto playlist = Database::Playlist::get(DboSession(), currentPlayQueueName, CurrentUser());
+	if (!playlist)
+	{
+		playlist = Database::Playlist::create(DboSession(), currentPlayQueueName, false, CurrentUser());
+	}
+
+	std::size_t pos = playlist->getCount();
+	for (auto track : tracks)
+	{
+		Database::PlaylistEntry::create(DboSession(), track, playlist, pos++);
+	}
+
+	addSome();
+}
+
+void
+PlayQueue::playTracks(const std::vector<Database::Track::pointer>& tracks)
+{
+	LMS_LOG(UI, DEBUG) << "Emptying current queue to play new tracks";
+
+	Wt::Dbo::Transaction transaction(DboSession());
+
+	auto playqueue = Database::Playlist::get(DboSession(), currentPlayQueueName, CurrentUser());
+	if (playqueue)
+		playqueue.modify()->clear();
+
+	_entriesContainer->clear();
+
+	addTracks(tracks);
+
+	// TODO Immediate play
+}
+
+
+void
+PlayQueue::refresh()
+{
+	_entriesContainer->clear();
+	addSome();
+}
+
+void
+PlayQueue::addSome()
+{
+	Wt::Dbo::Transaction transaction (DboSession());
+
+	auto playlist = Database::Playlist::get(DboSession(), currentPlayQueueName, CurrentUser());
+	if (!playlist)
+		return;
+
+	bool moreResults;
+	auto tracks = playlist->getTracks(_entriesContainer->count(), 50, moreResults);
+	for (auto track : tracks)
+	{
+		Wt::WTemplate* entry = new Wt::WTemplate(Wt::WString::tr("template-playqueue-entry"), _entriesContainer);
+
+		entry->bindString("pos", std::to_string(_entriesContainer->count()));
+		entry->bindString("name", Wt::WString::fromUTF8(track->getName()), Wt::PlainText);
+
+		auto artist = track->getArtist();
+		if (artist)
+		{
+			entry->setCondition("if-has-artist", true);
+			Wt::WAnchor *artistAnchor = new Wt::WAnchor(Wt::WLink(Wt::WLink::InternalPath, "/artist/" + std::to_string(track->getArtist().id())));
+			Wt::WText *artistText = new Wt::WText(artistAnchor);
+			artistText->setText(Wt::WString::fromUTF8(artist->getName(), Wt::PlainText));
+			entry->bindWidget("artist-name", artistAnchor);
+		}
+		auto release = track->getRelease();
+		if (release)
+		{
+			entry->setCondition("if-has-release", true);
+			Wt::WAnchor *releaseAnchor = new Wt::WAnchor(Wt::WLink(Wt::WLink::InternalPath, "/release/" + std::to_string(track->getRelease().id())));
+			Wt::WText *releaseText = new Wt::WText(releaseAnchor);
+			releaseText->setText(Wt::WString::fromUTF8(release->getName(), Wt::PlainText));
+			entry->bindWidget("release-name", releaseAnchor);
+		}
+
+		auto playBtn = new Wt::WText(Wt::WString::tr("btn-playqueue-entry-play-btn"), Wt::XHTMLText);
+		entry->bindWidget("play-btn", playBtn);
+		// TODO
+
+		auto addBtn = new Wt::WText(Wt::WString::tr("btn-playqueue-entry-del-btn"), Wt::XHTMLText);
+		entry->bindWidget("del-btn", addBtn);
+		// TODO
+	}
+
+	_showMore->setHidden(!moreResults);
+}
+
+} // namespace UserInterface
+