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/*
Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "analytics.h"
#include "exceptions.h"
#include <dcp/raw_convert.h>
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
using std::string;
using dcp::raw_convert;
using boost::algorithm::trim;
Analytics* Analytics::_instance;
int const Analytics::_current_version = 1;
Analytics::Analytics ()
: _successful_dcp_encodes (0)
{
}
void
Analytics::successful_dcp_encode ()
{
++_successful_dcp_encodes;
write ();
}
void
Analytics::write () const
{
xmlpp::Document doc;
xmlpp::Element* root = doc.create_root_node ("Analytics");
root->add_child("Version")->add_child_text(raw_convert<string>(_current_version));
root->add_child("SuccessfulDCPEncodes")->add_child_text(raw_convert<string>(_successful_dcp_encodes));
try {
doc.write_to_file_formatted(path("analytics.xml").string());
} catch (xmlpp::exception& e) {
string s = e.what ();
trim (s);
throw FileError (s, path("analytics.xml"));
}
}
void
Analytics::read ()
try
{
cxml::Document f ("Analytics");
f.read_file (path("analytics.xml"));
_successful_dcp_encodes = f.number_child<int>("SuccessfulDCPEncodes");
} catch (...) {
/* Never mind */
}
Analytics*
Analytics::instance ()
{
if (!_instance) {
_instance = new Analytics();
_instance->read();
}
return _instance;
}
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