src/lib/analytics.cc

   1 /*
   2     Copyright (C) 2018-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic 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 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "analytics.h"
  23 #include "compose.hpp"
  24 #include "exceptions.h"
  25 #include <dcp/filesystem.h>
  26 #include <dcp/raw_convert.h>
  27 #include <dcp/warnings.h>
  28 #include <libcxml/cxml.h>
  29 LIBDCP_DISABLE_WARNINGS
  30 #include <libxml++/libxml++.h>
  31 LIBDCP_ENABLE_WARNINGS
  32 #include <boost/algorithm/string.hpp>
  33 #include <boost/filesystem.hpp>
  34
  35 #include "i18n.h"
  36
  37
  38 using std::string;
  39 using dcp::raw_convert;
  40 using boost::algorithm::trim;
  41
  42
  43 Analytics* Analytics::_instance;
  44 int const Analytics::_current_version = 1;
  45
  46
  47 Analytics::Analytics ()
  48 {
  49
  50 }
  51
  52
  53 void
  54 Analytics::successful_dcp_encode ()
  55 {
  56         ++_successful_dcp_encodes;
  57         write ();
  58
  59         if (_successful_dcp_encodes == 20) {
  60                 emit (
  61                         boost::bind(
  62                                 boost::ref(Message),
  63                                 _("Congratulations!"),
  64                                 String::compose (_(
  65                                         "<h2>You have made %1 DCPs with DCP-o-matic!</h2>"
  66                                         "<img width=\"20%%\" src=\"memory:me.jpg\" align=\"center\">"
  67                                         "<p>Hello. I'm Carl and I'm the "
  68                                         "developer of DCP-o-matic. I work on it in my spare time (with the help "
  69                                         "of a fine volunteer team of testers and translators) and I release it "
  70                                         "as free software."
  71
  72                                         "<p>If you find DCP-o-matic useful, please consider a donation to the "
  73                                         "project. Financial support will help me to spend more "
  74                                         "time developing DCP-o-matic and making it better!"
  75
  76                                         "<p><ul>"
  77                                         "<li><a href=\"https://dcpomatic.com/donate_amount?amount=40\">Go to Paypal to donate €40</a>"
  78                                         "<li><a href=\"https://dcpomatic.com/donate_amount?amount=20\">Go to Paypal to donate €20</a>"
  79                                         "<li><a href=\"https://dcpomatic.com/donate_amount?amount=10\">Go to Paypal to donate €10</a>"
  80                                         "</ul>"
  81
  82                                         "<p>Thank you!"), _successful_dcp_encodes
  83                                         )
  84                                 )
  85                         );
  86         }
  87 }
  88
  89
  90 void
  91 Analytics::write () const
  92 {
  93         xmlpp::Document doc;
  94         auto root = doc.create_root_node ("Analytics");
  95
  96         root->add_child("Version")->add_child_text(raw_convert<string>(_current_version));
  97         root->add_child("SuccessfulDCPEncodes")->add_child_text(raw_convert<string>(_successful_dcp_encodes));
  98
  99         try {
 100                 doc.write_to_file_formatted(write_path("analytics.xml").string());
 101         } catch (xmlpp::exception& e) {
 102                 string s = e.what ();
 103                 trim (s);
 104                 throw FileError (s, write_path("analytics.xml"));
 105         }
 106 }
 107
 108
 109 void
 110 Analytics::read ()
 111 try
 112 {
 113         cxml::Document f ("Analytics");
 114         f.read_file(dcp::filesystem::fix_long_path(read_path("analytics.xml")));
 115         _successful_dcp_encodes = f.number_child<int>("SuccessfulDCPEncodes");
 116 } catch (...) {
 117         /* Never mind */
 118 }
 119
 120
 121 Analytics*
 122 Analytics::instance ()
 123 {
 124         if (!_instance) {
 125                 _instance = new Analytics();
 126                 _instance->read();
 127         }
 128
 129         return _instance;
 130 }