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
  22 #include "check_content_change_job.h"
  23 #include "content.h"
  24 #include "examine_content_job.h"
  25 #include "film.h"
  26 #include "job_manager.h"
  27 #include <iostream>
  28
  29 #include "i18n.h"
  30
  31
  32 using std::cout;
  33 using std::list;
  34 using std::make_shared;
  35 using std::shared_ptr;
  36 using std::string;
  37
  38
  39 /** @param gui true if we are running this job from the GUI, false if it's the CLI */
  40 CheckContentChangeJob::CheckContentChangeJob (shared_ptr<const Film> film, shared_ptr<Job> following, bool gui)
  41         : Job (film)
  42         , _following (following)
  43         , _gui (gui)
  44 {
  45
  46 }
  47
  48 CheckContentChangeJob::~CheckContentChangeJob ()
  49 {
  50         stop_thread ();
  51 }
  52
  53 string
  54 CheckContentChangeJob::name () const
  55 {
  56         return _("Checking content for changes");
  57 }
  58
  59 string
  60 CheckContentChangeJob::json_name () const
  61 {
  62         return N_("check_content_change");
  63 }
  64
  65 void
  66 CheckContentChangeJob::run ()
  67 {
  68         set_progress_unknown ();
  69
  70         list<shared_ptr<Content>> changed;
  71
  72         for (auto i: _film->content()) {
  73                 bool ic = false;
  74                 for (size_t j = 0; j < i->number_of_paths(); ++j) {
  75                         if (boost::filesystem::last_write_time(i->path(j)) != i->last_write_time(j)) {
  76                                 ic = true;
  77                                 break;
  78                         }
  79                 }
  80                 if (!ic && i->calculate_digest() != i->digest()) {
  81                         ic = true;
  82                 }
  83                 if (ic) {
  84                         changed.push_back (i);
  85                 }
  86         }
  87
  88         if (!changed.empty()) {
  89                 if (_gui) {
  90                         for (auto i: changed) {
  91                                 JobManager::instance()->add(make_shared<ExamineContentJob>(_film, i));
  92                         }
  93                         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.");
  94                         if (_following) {
  95                                 /* I'm assuming that _following is a make DCP job */
  96                                 m += "  ";
  97                                 m += _("Choose 'Make DCP' again when you have done this.");
  98                         }
  99                         set_message (m);
 100                 } else {
 101                         set_progress (1);
 102                         set_state (FINISHED_ERROR);
 103                         set_error (
 104                                 _("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."),
 105                                 ""
 106                                 );
 107                         return;
 108                 }
 109         } else if (_following) {
 110                 JobManager::instance()->add (_following);
 111         }
 112
 113         /* Only set this job as finished once we have added the following job, otherwise I think
 114            it's possible that the tests will sporadically fail if they check for all jobs being
 115            complete in the gap between this one finishing and _following being added.
 116         */
 117
 118         set_progress (1);
 119         set_state (FINISHED_OK);
 120 }