Check content for changes on loading a project.
[dcpomatic.git] / 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                         cout << boost::filesystem::last_write_time(i->path(j)) << " " << i->last_write_time(j) << "\n";
65                         if (boost::filesystem::last_write_time(i->path(j)) != i->last_write_time(j)) {
66                                 cout << "last write differs.\n";
67                                 ic = true;
68                                 break;
69                         }
70                 }
71                 if (!ic && i->calculate_digest() != i->digest()) {
72                         cout << "digest differs.\n";
73                         ic = true;
74                 }
75                 if (ic) {
76                         cout << i->path(0) << " changed.\n";
77                         changed.push_back (i);
78                 }
79         }
80
81         BOOST_FOREACH (shared_ptr<Content> i, changed) {
82                 JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob(_film, i)));
83         }
84
85         set_progress (1);
86         set_state (FINISHED_OK);
87 }