src/lib/check_content_change_job.cc

   1 /*
   2     Copyright (C) 2018 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 #include "check_content_change_job.h"
  22 #include "job_manager.h"
  23 #include "examine_content_job.h"
  24 #include "content.h"
  25 #include "film.h"
  26 #include <boost/foreach.hpp>
  27 #include <iostream>
  28
  29 #include "i18n.h"
  30
  31 using std::string;
  32 using std::list;
  33 using std::cout;
  34 using boost::shared_ptr;
  35
  36 CheckContentChangeJob::CheckContentChangeJob (shared_ptr<const Film> film)
  37         : Job (film)
  38 {
  39
  40 }
  41
  42 string
  43 CheckContentChangeJob::name () const
  44 {
  45         return _("Check content for changes");
  46 }
  47
  48 string
  49 CheckContentChangeJob::json_name () const
  50 {
  51         return N_("check_content_change");
  52 }
  53
  54 void
  55 CheckContentChangeJob::run ()
  56 {
  57         set_progress_unknown ();
  58
  59         list<shared_ptr<Content> > changed;
  60
  61         BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
  62                 bool ic = false;
  63                 for (size_t j = 0; j < i->number_of_paths(); ++j) {
  64                         if (boost::filesystem::last_write_time(i->path(j)) != i->last_write_time(j)) {
  65                                 ic = true;
  66                                 break;
  67                         }
  68                 }
  69                 if (!ic && i->calculate_digest() != i->digest()) {
  70                         ic = true;
  71                 }
  72                 if (ic) {
  73                         changed.push_back (i);
  74                 }
  75         }
  76
  77         BOOST_FOREACH (shared_ptr<Content> i, changed) {
  78                 JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob(_film, i)));
  79         }
  80
  81         if (!changed.empty()) {
  82                 set_message (_("Some files were changed since they were added to the project.\n\nThese files will now be re-examined, so you may need to check their settings."));
  83         }
  84
  85         set_progress (1);
  86         set_state (FINISHED_OK);
  87 }