/*
    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>

    This program 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 2 of the License, or
    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <boost/thread/mutex.hpp>
#include <libxml++/libxml++.h>
#include <libcxml/cxml.h>
#include "content.h"
#include "util.h"

using std::string;
using boost::shared_ptr;

Content::Content (boost::filesystem::path f)
	: _file (f)
{

}

Content::Content (shared_ptr<const cxml::Node> node)
{
	_file = node->string_child ("File");
	_digest = node->string_child ("Digest");
}

Content::Content (Content const & o)
	: boost::enable_shared_from_this<Content> (o)
	, _file (o._file)
	, _digest (o._digest)
{

}

void
Content::as_xml (xmlpp::Node* node) const
{
	boost::mutex::scoped_lock lm (_mutex);
	node->add_child("File")->add_child_text (_file.string());
	node->add_child("Digest")->add_child_text (_digest);
}

void
Content::examine (shared_ptr<Film>, shared_ptr<Job>, bool)
{
	string const d = md5_digest (_file);
	boost::mutex::scoped_lock lm (_mutex);
	_digest = d;
}

void
Content::signal_changed (int p)
{
	Changed (shared_from_this (), p);
}