src/lib/cinema_kdms.cc

   1 /*
   2     Copyright (C) 2013-2015 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 "exceptions.h"
  22 #include "cinema_kdms.h"
  23 #include "cinema.h"
  24 #include "screen.h"
  25 #include "config.h"
  26 #include "util.h"
  27 #include "emailer.h"
  28 #include "compose.hpp"
  29 #include "log.h"
  30 #include "dcpomatic_log.h"
  31 #include <zip.h>
  32 #include <boost/foreach.hpp>
  33
  34 #include "i18n.h"
  35
  36 using std::list;
  37 using std::cout;
  38 using std::string;
  39 using std::runtime_error;
  40 using boost::shared_ptr;
  41 using boost::function;
  42
  43 void
  44 CinemaKDMs::make_zip_file (boost::filesystem::path zip_file, dcp::NameFormat name_format, dcp::NameFormat::Map name_values) const
  45 {
  46         int error;
  47         struct zip* zip = zip_open (zip_file.string().c_str(), ZIP_CREATE | ZIP_EXCL, &error);
  48         if (!zip) {
  49                 if (error == ZIP_ER_EXISTS) {
  50                         throw FileError ("ZIP file already exists", zip_file);
  51                 }
  52                 throw FileError ("could not create ZIP file", zip_file);
  53         }
  54
  55         list<shared_ptr<string> > kdm_strings;
  56
  57         name_values['c'] = cinema->name;
  58
  59         BOOST_FOREACH (ScreenKDM const & i, screen_kdms) {
  60                 shared_ptr<string> kdm (new string (i.kdm.as_xml ()));
  61                 kdm_strings.push_back (kdm);
  62
  63                 struct zip_source* source = zip_source_buffer (zip, kdm->c_str(), kdm->length(), 0);
  64                 if (!source) {
  65                         throw runtime_error ("could not create ZIP source");
  66                 }
  67
  68                 name_values['s'] = i.screen->name;
  69                 name_values['i'] = i.kdm.id ();
  70                 string const name = careful_string_filter(name_format.get(name_values, ".xml"));
  71                 if (zip_add (zip, name.c_str(), source) == -1) {
  72                         throw runtime_error ("failed to add KDM to ZIP archive");
  73                 }
  74         }
  75
  76         if (zip_close (zip) == -1) {
  77                 zip_error_t* e = zip_get_error (zip);
  78                 throw runtime_error (String::compose("failed to close ZIP archive (%1, %2)", zip_error_code_zip(e), zip_error_code_system(e)));
  79         }
  80 }
  81
  82 /** Collect a list of ScreenKDMs into a list of CinemaKDMs so that each
  83  *  CinemaKDM contains the KDMs for its cinema.
  84  */
  85 list<CinemaKDMs>
  86 CinemaKDMs::collect (list<ScreenKDM> screen_kdms)
  87 {
  88         list<CinemaKDMs> cinema_kdms;
  89
  90         while (!screen_kdms.empty ()) {
  91
  92                 /* Get all the screens from a single cinema */
  93
  94                 CinemaKDMs ck;
  95
  96                 list<ScreenKDM>::iterator i = screen_kdms.begin ();
  97                 ck.cinema = i->screen->cinema;
  98                 ck.screen_kdms.push_back (*i);
  99                 list<ScreenKDM>::iterator j = i;
 100                 ++i;
 101                 screen_kdms.remove (*j);
 102
 103                 while (i != screen_kdms.end ()) {
 104                         if (i->screen->cinema == ck.cinema) {
 105                                 ck.screen_kdms.push_back (*i);
 106                                 list<ScreenKDM>::iterator j = i;
 107                                 ++i;
 108                                 screen_kdms.remove (*j);
 109                         } else {
 110                                 ++i;
 111                         }
 112                 }
 113
 114                 cinema_kdms.push_back (ck);
 115         }
 116
 117         return cinema_kdms;
 118 }
 119
 120 /** Write one directory per cinema into another directory */
 121 int
 122 CinemaKDMs::write_directories (
 123         list<CinemaKDMs> cinema_kdms,
 124         boost::filesystem::path directory,
 125         dcp::NameFormat container_name_format,
 126         dcp::NameFormat filename_format,
 127         dcp::NameFormat::Map name_values,
 128         function<bool (boost::filesystem::path)> confirm_overwrite
 129         )
 130 {
 131         /* No specific screen */
 132         name_values['s'] = "";
 133
 134         int written = 0;
 135
 136         BOOST_FOREACH (CinemaKDMs const & i, cinema_kdms) {
 137                 boost::filesystem::path path = directory;
 138                 name_values['c'] = i.cinema->name;
 139                 path /= container_name_format.get(name_values, "");
 140                 if (!boost::filesystem::exists (path) || confirm_overwrite (path)) {
 141                         boost::filesystem::create_directories (path);
 142                         ScreenKDM::write_files (i.screen_kdms, path, filename_format, name_values, confirm_overwrite);
 143                 }
 144                 written += i.screen_kdms.size();
 145         }
 146
 147         return written;
 148 }
 149
 150 /** Write one ZIP file per cinema into a directory */
 151 int
 152 CinemaKDMs::write_zip_files (
 153         list<CinemaKDMs> cinema_kdms,
 154         boost::filesystem::path directory,
 155         dcp::NameFormat container_name_format,
 156         dcp::NameFormat filename_format,
 157         dcp::NameFormat::Map name_values,
 158         function<bool (boost::filesystem::path)> confirm_overwrite
 159         )
 160 {
 161         /* No specific screen */
 162         name_values['s'] = "";
 163
 164         int written = 0;
 165
 166         BOOST_FOREACH (CinemaKDMs const & i, cinema_kdms) {
 167                 boost::filesystem::path path = directory;
 168                 name_values['c'] = i.cinema->name;
 169                 path /= container_name_format.get(name_values, ".zip");
 170                 if (!boost::filesystem::exists (path) || confirm_overwrite (path)) {
 171                         if (boost::filesystem::exists (path)) {
 172                                 /* Creating a new zip file over an existing one is an error */
 173                                 boost::filesystem::remove (path);
 174                         }
 175                         i.make_zip_file (path, filename_format, name_values);
 176                         written += i.screen_kdms.size();
 177                 }
 178         }
 179
 180         return written;
 181 }
 182
 183 /** Email one ZIP file per cinema to the cinema.
 184  *  @param cinema_kdms KDMS to email.
 185  *  @param container_name_format Format of folder / ZIP to use.
 186  *  @param filename_format Format of filenames to use.
 187  *  @param name_values Values to substitute into \p container_name_format and \p filename_format.
 188  *  @param cpl_name Name of the CPL that the KDMs are for.
 189  */
 190 void
 191 CinemaKDMs::email (
 192         list<CinemaKDMs> cinema_kdms,
 193         dcp::NameFormat container_name_format,
 194         dcp::NameFormat filename_format,
 195         dcp::NameFormat::Map name_values,
 196         string cpl_name
 197         )
 198 {
 199         Config* config = Config::instance ();
 200
 201         if (config->mail_server().empty()) {
 202                 throw NetworkError (_("No mail server configured in preferences"));
 203         }
 204
 205         /* No specific screen */
 206         name_values['s'] = "";
 207
 208         BOOST_FOREACH (CinemaKDMs const & i, cinema_kdms) {
 209
 210                 if (i.cinema->emails.empty()) {
 211                         continue;
 212                 }
 213
 214                 name_values['c'] = i.cinema->name;
 215
 216                 boost::filesystem::path zip_file = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path();
 217                 boost::filesystem::create_directories (zip_file);
 218                 zip_file /= container_name_format.get(name_values, ".zip");
 219                 i.make_zip_file (zip_file, filename_format, name_values);
 220
 221                 string subject = config->kdm_subject();
 222                 boost::algorithm::replace_all (subject, "$CPL_NAME", cpl_name);
 223                 boost::algorithm::replace_all (subject, "$START_TIME", name_values['b']);
 224                 boost::algorithm::replace_all (subject, "$END_TIME", name_values['e']);
 225                 boost::algorithm::replace_all (subject, "$CINEMA_NAME", i.cinema->name);
 226
 227                 string body = config->kdm_email().c_str();
 228                 boost::algorithm::replace_all (body, "$CPL_NAME", cpl_name);
 229                 boost::algorithm::replace_all (body, "$START_TIME", name_values['b']);
 230                 boost::algorithm::replace_all (body, "$END_TIME", name_values['e']);
 231                 boost::algorithm::replace_all (body, "$CINEMA_NAME", i.cinema->name);
 232
 233                 string screens;
 234                 BOOST_FOREACH (ScreenKDM const & j, i.screen_kdms) {
 235                         screens += j.screen->name + ", ";
 236                 }
 237                 boost::algorithm::replace_all (body, "$SCREENS", screens.substr (0, screens.length() - 2));
 238
 239                 Emailer email (config->kdm_from(), i.cinema->emails, subject, body);
 240
 241                 BOOST_FOREACH (string i, config->kdm_cc()) {
 242                         email.add_cc (i);
 243                 }
 244                 if (!config->kdm_bcc().empty ()) {
 245                         email.add_bcc (config->kdm_bcc ());
 246                 }
 247
 248                 email.add_attachment (zip_file, container_name_format.get(name_values, ".zip"), "application/zip");
 249
 250                 Config* c = Config::instance ();
 251
 252                 try {
 253                         email.send (c->mail_server(), c->mail_port(), c->mail_protocol(), c->mail_user(), c->mail_password());
 254                 } catch (...) {
 255                         boost::filesystem::remove (zip_file);
 256                         dcpomatic_log->log ("Email content follows", LogEntry::TYPE_DEBUG_EMAIL);
 257                         dcpomatic_log->log (email.email(), LogEntry::TYPE_DEBUG_EMAIL);
 258                         dcpomatic_log->log ("Email session follows", LogEntry::TYPE_DEBUG_EMAIL);
 259                         dcpomatic_log->log (email.notes(), LogEntry::TYPE_DEBUG_EMAIL);
 260                         throw;
 261                 }
 262
 263                 boost::filesystem::remove (zip_file);
 264
 265                 dcpomatic_log->log ("Email content follows", LogEntry::TYPE_DEBUG_EMAIL);
 266                 dcpomatic_log->log (email.email(), LogEntry::TYPE_DEBUG_EMAIL);
 267                 dcpomatic_log->log ("Email session follows", LogEntry::TYPE_DEBUG_EMAIL);
 268                 dcpomatic_log->log (email.notes(), LogEntry::TYPE_DEBUG_EMAIL);
 269         }
 270 }