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, shared_ptr<Job> following)
  37         : Job (film)
  38         , _following (following)
  39 {
  40
  41 }
  42
  43 string
  44 CheckContentChangeJob::name () const
  45 {
  46         return _("Checking content for changes");
  47 }
  48
  49 string
  50 CheckContentChangeJob::json_name () const
  51 {
  52         return N_("check_content_change");
  53 }
  54
  55 void
  56 CheckContentChangeJob::run ()
  57 {
  58         set_progress_unknown ();
  59
  60         list<shared_ptr<Content> > changed;
  61
  62         BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
  63                 bool ic = false;
  64                 for (size_t j = 0; j < i->number_of_paths(); ++j) {
  65                         if (boost::filesystem::last_write_time(i->path(j)) != i->last_write_time(j)) {
  66                                 ic = true;
  67                                 break;
  68                         }
  69                 }
  70                 if (!ic && i->calculate_digest() != i->digest()) {
  71                         ic = true;
  72                 }
  73                 if (ic) {
  74                         changed.push_back (i);
  75                 }
  76         }
  77
  78         BOOST_FOREACH (shared_ptr<Content> i, changed) {
  79                 JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob(_film, i)));
  80         }
  81
  82         set_progress (1);
  83         set_state (FINISHED_OK);
  84
  85         if (!changed.empty()) {
  86                 string m = _("Some files have been changed since they were added to the project.\n\nThese files will now be re-examined, so you may need to check their settings.");
  87                 if (_following) {
  88                         /* I'm assuming that _following is a make DCP job */
  89                         m += "  ";
  90                         m += _("Choose 'Make DCP' again when you have done this.");
  91                 }
  92                 set_message (m);
  93         } else if (_following) {
  94                 JobManager::instance()->add (_following);
  95         }
  96 }