Rename some variables and re-implement collect().
[dcpomatic.git] / src / lib / kdm_with_metadata.cc
1 /*
2     Copyright (C) 2013-2016 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 "kdm_with_metadata.h"
22 #include "cinema.h"
23 #include "screen.h"
24 #include "util.h"
25 #include "zipper.h"
26 #include "config.h"
27 #include "dcpomatic_log.h"
28 #include "emailer.h"
29 #include <boost/foreach.hpp>
30 #include <boost/function.hpp>
31 #include <boost/function.hpp>
32
33 #include "i18n.h"
34
35 using std::string;
36 using std::cout;
37 using std::list;
38 using boost::shared_ptr;
39 using boost::optional;
40 using boost::function;
41
42 int
43 write_files (
44         list<KDMWithMetadataPtr> kdms,
45         boost::filesystem::path directory,
46         dcp::NameFormat name_format,
47         dcp::NameFormat::Map name_values,
48         boost::function<bool (boost::filesystem::path)> confirm_overwrite
49         )
50 {
51         int written = 0;
52
53         if (directory == "-") {
54                 /* Write KDMs to the stdout */
55                 BOOST_FOREACH (KDMWithMetadataPtr i, kdms) {
56                         cout << i->kdm_as_xml ();
57                         ++written;
58                 }
59
60                 return written;
61         }
62
63         if (!boost::filesystem::exists (directory)) {
64                 boost::filesystem::create_directories (directory);
65         }
66
67         /* Write KDMs to the specified directory */
68         BOOST_FOREACH (KDMWithMetadataPtr i, kdms) {
69                 name_values['i'] = i->kdm_id ();
70                 boost::filesystem::path out = directory / careful_string_filter(name_format.get(name_values, ".xml"));
71                 if (!boost::filesystem::exists (out) || confirm_overwrite (out)) {
72                         i->kdm_as_xml (out);
73                         ++written;
74                 }
75         }
76
77         return written;
78 }
79
80
81 optional<string>
82 KDMWithMetadata::get (char k) const
83 {
84         dcp::NameFormat::Map::const_iterator i = _name_values.find (k);
85         if (i == _name_values.end()) {
86                 return optional<string>();
87         }
88
89         return i->second;
90 }
91
92
93 void
94 make_zip_file (list<KDMWithMetadataPtr> kdms, boost::filesystem::path zip_file, dcp::NameFormat name_format, dcp::NameFormat::Map name_values)
95 {
96         Zipper zipper (zip_file);
97
98         BOOST_FOREACH (KDMWithMetadataPtr i, kdms) {
99                 name_values['i'] = i->kdm_id ();
100                 string const name = careful_string_filter(name_format.get(name_values, ".xml"));
101                 zipper.add (name, i->kdm_as_xml());
102         }
103
104         zipper.close ();
105 }
106
107
108 /** Collect a list of KDMWithMetadatas into a list of lists so that
109  *  each list contains the KDMs for one cinema.
110  */
111 list<list<KDMWithMetadataPtr> >
112 collect (list<KDMWithMetadataPtr> kdms)
113 {
114         list<list<KDMWithMetadataPtr> > grouped;
115
116         BOOST_FOREACH (KDMWithMetadataPtr i, kdms) {
117
118                 list<list<KDMWithMetadataPtr> >::iterator j = grouped.begin ();
119
120                 while (j != grouped.end()) {
121                         if (j->front()->cinema() == i->cinema()) {
122                                 j->push_back (i);
123                                 break;
124                         }
125                         ++j;
126                 }
127
128                 if (j == grouped.end()) {
129                         grouped.push_back (list<KDMWithMetadataPtr>());
130                         grouped.back().push_back (i);
131                 }
132         }
133
134         return grouped;
135 }
136
137
138 /** Write one directory per cinema into another directory */
139 int
140 write_directories (
141         list<list<KDMWithMetadataPtr> > cinema_kdms,
142         boost::filesystem::path directory,
143         dcp::NameFormat container_name_format,
144         dcp::NameFormat filename_format,
145         dcp::NameFormat::Map name_values,
146         function<bool (boost::filesystem::path)> confirm_overwrite
147         )
148 {
149         /* No specific screen */
150         name_values['s'] = "";
151
152         int written = 0;
153
154         BOOST_FOREACH (list<KDMWithMetadataPtr> const & i, cinema_kdms) {
155                 boost::filesystem::path path = directory;
156                 path /= container_name_format.get(name_values, "");
157                 if (!boost::filesystem::exists (path) || confirm_overwrite (path)) {
158                         boost::filesystem::create_directories (path);
159                         write_files (i, path, filename_format, name_values, confirm_overwrite);
160                 }
161                 written += i.size();
162         }
163
164         return written;
165 }
166
167
168 /** Write one ZIP file per cinema into a directory */
169 int
170 write_zip_files (
171         list<list<KDMWithMetadataPtr> > cinema_kdms,
172         boost::filesystem::path directory,
173         dcp::NameFormat container_name_format,
174         dcp::NameFormat filename_format,
175         dcp::NameFormat::Map name_values,
176         function<bool (boost::filesystem::path)> confirm_overwrite
177         )
178 {
179         /* No specific screen */
180         name_values['s'] = "";
181
182         int written = 0;
183
184         BOOST_FOREACH (list<KDMWithMetadataPtr> const & i, cinema_kdms) {
185                 boost::filesystem::path path = directory;
186                 path /= container_name_format.get(name_values, ".zip");
187                 if (!boost::filesystem::exists (path) || confirm_overwrite (path)) {
188                         if (boost::filesystem::exists (path)) {
189                                 /* Creating a new zip file over an existing one is an error */
190                                 boost::filesystem::remove (path);
191                         }
192                         make_zip_file (i, path, filename_format, name_values);
193                         written += i.size();
194                 }
195         }
196
197         return written;
198 }
199
200
201 /** Email one ZIP file per cinema to the cinema.
202  *  @param cinema_kdms KDMS to email.
203  *  @param container_name_format Format of folder / ZIP to use.
204  *  @param filename_format Format of filenames to use.
205  *  @param name_values Values to substitute into \p container_name_format and \p filename_format.
206  *  @param cpl_name Name of the CPL that the KDMs are for.
207  */
208 void
209 email (
210         list<list<KDMWithMetadataPtr> > cinema_kdms,
211         dcp::NameFormat container_name_format,
212         dcp::NameFormat filename_format,
213         dcp::NameFormat::Map name_values,
214         string cpl_name
215         )
216 {
217         Config* config = Config::instance ();
218
219         if (config->mail_server().empty()) {
220                 throw NetworkError (_("No mail server configured in preferences"));
221         }
222
223         /* No specific screen */
224         name_values['s'] = "";
225
226         BOOST_FOREACH (list<KDMWithMetadataPtr> const & i, cinema_kdms) {
227
228                 if (i.front()->cinema()->emails.empty()) {
229                         continue;
230                 }
231
232                 boost::filesystem::path zip_file = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path();
233                 boost::filesystem::create_directories (zip_file);
234                 zip_file /= container_name_format.get(name_values, ".zip");
235                 make_zip_file (i, zip_file, filename_format, name_values);
236
237                 string subject = config->kdm_subject();
238                 boost::algorithm::replace_all (subject, "$CPL_NAME", cpl_name);
239                 boost::algorithm::replace_all (subject, "$START_TIME", name_values['b']);
240                 boost::algorithm::replace_all (subject, "$END_TIME", name_values['e']);
241                 boost::algorithm::replace_all (subject, "$CINEMA_NAME", i.front()->cinema()->name);
242
243                 string body = config->kdm_email().c_str();
244                 boost::algorithm::replace_all (body, "$CPL_NAME", cpl_name);
245                 boost::algorithm::replace_all (body, "$START_TIME", name_values['b']);
246                 boost::algorithm::replace_all (body, "$END_TIME", name_values['e']);
247                 boost::algorithm::replace_all (body, "$CINEMA_NAME", i.front()->cinema()->name);
248
249                 string screens;
250                 BOOST_FOREACH (KDMWithMetadataPtr j, i) {
251                         optional<string> screen_name = j->get('n');
252                         if (screen_name) {
253                                 screens += *screen_name + ", ";
254                         }
255                 }
256                 boost::algorithm::replace_all (body, "$SCREENS", screens.substr (0, screens.length() - 2));
257
258                 Emailer email (config->kdm_from(), i.front()->cinema()->emails, subject, body);
259
260                 BOOST_FOREACH (string i, config->kdm_cc()) {
261                         email.add_cc (i);
262                 }
263                 if (!config->kdm_bcc().empty ()) {
264                         email.add_bcc (config->kdm_bcc ());
265                 }
266
267                 email.add_attachment (zip_file, container_name_format.get(name_values, ".zip"), "application/zip");
268
269                 Config* c = Config::instance ();
270
271                 try {
272                         email.send (c->mail_server(), c->mail_port(), c->mail_protocol(), c->mail_user(), c->mail_password());
273                 } catch (...) {
274                         boost::filesystem::remove (zip_file);
275                         dcpomatic_log->log ("Email content follows", LogEntry::TYPE_DEBUG_EMAIL);
276                         dcpomatic_log->log (email.email(), LogEntry::TYPE_DEBUG_EMAIL);
277                         dcpomatic_log->log ("Email session follows", LogEntry::TYPE_DEBUG_EMAIL);
278                         dcpomatic_log->log (email.notes(), LogEntry::TYPE_DEBUG_EMAIL);
279                         throw;
280                 }
281
282                 boost::filesystem::remove (zip_file);
283
284                 dcpomatic_log->log ("Email content follows", LogEntry::TYPE_DEBUG_EMAIL);
285                 dcpomatic_log->log (email.email(), LogEntry::TYPE_DEBUG_EMAIL);
286                 dcpomatic_log->log ("Email session follows", LogEntry::TYPE_DEBUG_EMAIL);
287                 dcpomatic_log->log (email.notes(), LogEntry::TYPE_DEBUG_EMAIL);
288         }
289 }