Log email transcription even if ::send throws an exception.
[dcpomatic.git] / src / lib / cinema_kdms.cc
1 /*
2     Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #include "exceptions.h"
21 #include "cinema_kdms.h"
22 #include "cinema.h"
23 #include "screen.h"
24 #include "config.h"
25 #include "util.h"
26 #include "emailer.h"
27 #include "compose.hpp"
28 #include "log.h"
29 #include <zip.h>
30 #include <boost/foreach.hpp>
31
32 #include "i18n.h"
33
34 using std::list;
35 using std::cout;
36 using std::string;
37 using std::runtime_error;
38 using boost::shared_ptr;
39
40 void
41 CinemaKDMs::make_zip_file (string film_name, boost::filesystem::path zip_file) const
42 {
43         int error;
44         struct zip* zip = zip_open (zip_file.string().c_str(), ZIP_CREATE | ZIP_EXCL, &error);
45         if (!zip) {
46                 if (error == ZIP_ER_EXISTS) {
47                         throw FileError ("ZIP file already exists", zip_file);
48                 }
49                 throw FileError ("could not create ZIP file", zip_file);
50         }
51
52         list<shared_ptr<string> > kdm_strings;
53
54         BOOST_FOREACH (ScreenKDM const & i, screen_kdms) {
55                 shared_ptr<string> kdm (new string (i.kdm.as_xml ()));
56                 kdm_strings.push_back (kdm);
57
58                 struct zip_source* source = zip_source_buffer (zip, kdm->c_str(), kdm->length(), 0);
59                 if (!source) {
60                         throw runtime_error ("could not create ZIP source");
61                 }
62
63                 if (zip_add (zip, i.filename(film_name).c_str(), source) == -1) {
64                         throw runtime_error ("failed to add KDM to ZIP archive");
65                 }
66         }
67
68         if (zip_close (zip) == -1) {
69                 throw runtime_error ("failed to close ZIP archive");
70         }
71 }
72
73 list<CinemaKDMs>
74 CinemaKDMs::collect (list<ScreenKDM> screen_kdms)
75 {
76         list<CinemaKDMs> cinema_kdms;
77
78         while (!screen_kdms.empty ()) {
79
80                 /* Get all the screens from a single cinema */
81
82                 CinemaKDMs ck;
83
84                 list<ScreenKDM>::iterator i = screen_kdms.begin ();
85                 ck.cinema = i->screen->cinema;
86                 ck.screen_kdms.push_back (*i);
87                 list<ScreenKDM>::iterator j = i;
88                 ++i;
89                 screen_kdms.remove (*j);
90
91                 while (i != screen_kdms.end ()) {
92                         if (i->screen->cinema == ck.cinema) {
93                                 ck.screen_kdms.push_back (*i);
94                                 list<ScreenKDM>::iterator j = i;
95                                 ++i;
96                                 screen_kdms.remove (*j);
97                         } else {
98                                 ++i;
99                         }
100                 }
101
102                 cinema_kdms.push_back (ck);
103         }
104
105         return cinema_kdms;
106 }
107
108 void
109 CinemaKDMs::write_zip_files (string film_name, list<CinemaKDMs> cinema_kdms, boost::filesystem::path directory)
110 {
111         BOOST_FOREACH (CinemaKDMs const & i, cinema_kdms) {
112                 boost::filesystem::path path = directory;
113                 path /= tidy_for_filename (i.cinema->name) + ".zip";
114                 i.make_zip_file (film_name, path);
115         }
116 }
117
118 /** @param log Log to write email session transcript to, or 0 */
119 /* XXX: should probably get from/to from the KDMs themselves */
120 void
121 CinemaKDMs::email (
122         string film_name, string cpl_name, list<CinemaKDMs> cinema_kdms, dcp::LocalTime from, dcp::LocalTime to, shared_ptr<Log> log
123         )
124 {
125         Config* config = Config::instance ();
126
127         if (config->mail_server().empty()) {
128                 throw NetworkError (_("No mail server configured in preferences"));
129         }
130
131         BOOST_FOREACH (CinemaKDMs const & i, cinema_kdms) {
132
133                 boost::filesystem::path zip_file = boost::filesystem::temp_directory_path ();
134                 zip_file /= boost::filesystem::unique_path().string() + ".zip";
135                 i.make_zip_file (film_name, zip_file);
136
137                 string subject = config->kdm_subject();
138                 SafeStringStream start;
139                 start << from.date() << " " << from.time_of_day();
140                 SafeStringStream end;
141                 end << to.date() << " " << to.time_of_day();
142                 boost::algorithm::replace_all (subject, "$CPL_NAME", cpl_name);
143                 boost::algorithm::replace_all (subject, "$START_TIME", start.str ());
144                 boost::algorithm::replace_all (subject, "$END_TIME", end.str ());
145                 boost::algorithm::replace_all (subject, "$CINEMA_NAME", i.cinema->name);
146
147                 string body = config->kdm_email().c_str();
148                 boost::algorithm::replace_all (body, "$CPL_NAME", cpl_name);
149                 boost::algorithm::replace_all (body, "$START_TIME", start.str ());
150                 boost::algorithm::replace_all (body, "$END_TIME", end.str ());
151                 boost::algorithm::replace_all (body, "$CINEMA_NAME", i.cinema->name);
152
153                 SafeStringStream screens;
154                 BOOST_FOREACH (ScreenKDM const & j, i.screen_kdms) {
155                         screens << j.screen->name << ", ";
156                 }
157                 boost::algorithm::replace_all (body, "$SCREENS", screens.str().substr (0, screens.str().length() - 2));
158
159                 Emailer email (config->kdm_from(), i.cinema->emails, subject, body);
160
161                 BOOST_FOREACH (string i, config->kdm_cc()) {
162                         email.add_cc (i);
163                 }
164                 if (!config->kdm_bcc().empty ()) {
165                         email.add_bcc (config->kdm_bcc ());
166                 }
167
168                 string const name = tidy_for_filename(i.cinema->name) + "_" + tidy_for_filename(film_name) + ".zip";
169                 email.add_attachment (zip_file, name, "application/zip");
170
171                 Config* c = Config::instance ();
172
173                 try {
174                         email.send (c->mail_server(), c->mail_port(), c->mail_user(), c->mail_password());
175                 } catch (...) {
176                         if (log) {
177                                 log->log (email.notes(), LogEntry::TYPE_DEBUG_EMAIL);
178                         }
179                         throw;
180                 }
181
182                 if (log) {
183                         log->log (email.notes(), LogEntry::TYPE_DEBUG_EMAIL);
184                 }
185         }
186 }