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 <iostream>
  27
  28 #include "i18n.h"
  29
  30 using std::string;
  31 using std::list;
  32 using std::cout;
  33 using std::shared_ptr;
  34
  35 /** @param gui true if we are running this job from the GUI, false if it's the CLI */
  36 CheckContentChangeJob::CheckContentChangeJob (shared_ptr<const Film> film, shared_ptr<Job> following, bool gui)
  37         : Job (film)
  38         , _following (following)
  39         , _gui (gui)
  40 {
  41
  42 }
  43
  44 CheckContentChangeJob::~CheckContentChangeJob ()
  45 {
  46         stop_thread ();
  47 }
  48
  49 string
  50 CheckContentChangeJob::name () const
  51 {
  52         return _("Checking content for changes");
  53 }
  54
  55 string
  56 CheckContentChangeJob::json_name () const
  57 {
  58         return N_("check_content_change");
  59 }
  60
  61 void
  62 CheckContentChangeJob::run ()
  63 {
  64         set_progress_unknown ();
  65
  66         list<shared_ptr<Content> > changed;
  67
  68         for (auto i: _film->content()) {
  69                 bool ic = false;
  70                 for (size_t j = 0; j < i->number_of_paths(); ++j) {
  71                         if (boost::filesystem::last_write_time(i->path(j)) != i->last_write_time(j)) {
  72                                 ic = true;
  73                                 break;
  74                         }
  75                 }
  76                 if (!ic && i->calculate_digest() != i->digest()) {
  77                         ic = true;
  78                 }
  79                 if (ic) {
  80                         changed.push_back (i);
  81                 }
  82         }
  83
  84         if (!changed.empty()) {
  85                 if (_gui) {
  86                         for (auto i: changed) {
  87                                 JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob(_film, i)));
  88                         }
  89                         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.");
  90                         if (_following) {
  91                                 /* I'm assuming that _following is a make DCP job */
  92                                 m += "  ";
  93                                 m += _("Choose 'Make DCP' again when you have done this.");
  94                         }
  95                         set_message (m);
  96                 } else {
  97                         set_progress (1);
  98                         set_state (FINISHED_ERROR);
  99                         set_error (
 100                                 _("Some files have been changed since they were added to the project.  Open the project in DCP-o-matic, check the settings, then save it before trying again."),
 101                                 ""
 102                                 );
 103                         return;
 104                 }
 105         } else if (_following) {
 106                 JobManager::instance()->add (_following);
 107         }
 108
 109         /* Only set this job as finished once we have added the following job, otherwise I think
 110            it's possible that the tests will sporadically fail if they check for all jobs being
 111            complete in the gap between this one finishing and _following being added.
 112         */
 113
 114         set_progress (1);
 115         set_state (FINISHED_OK);
 116 }