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 <zip.h>
  29 #include <boost/foreach.hpp>
  30
  31 #include "i18n.h"
  32
  33 using std::list;
  34 using std::cout;
  35 using std::string;
  36 using boost::shared_ptr;
  37
  38 /** @param filename_first_part First part of name of KDM files inside the zip file
  39  *  (perhaps the name of the film).
  40  */
  41 void
  42 CinemaKDMs::make_zip_file (string filename_first_part, boost::filesystem::path zip_file) const
  43 {
  44         int error;
  45         struct zip* zip = zip_open (zip_file.string().c_str(), ZIP_CREATE | ZIP_EXCL, &error);
  46         if (!zip) {
  47                 if (error == ZIP_ER_EXISTS) {
  48                         throw FileError ("ZIP file already exists", zip_file);
  49                 }
  50                 throw FileError ("could not create ZIP file", zip_file);
  51         }
  52
  53         list<shared_ptr<string> > kdm_strings;
  54
  55         BOOST_FOREACH (ScreenKDM const & i, screen_kdms) {
  56                 shared_ptr<string> kdm (new string (i.kdm.as_xml ()));
  57                 kdm_strings.push_back (kdm);
  58
  59                 struct zip_source* source = zip_source_buffer (zip, kdm->c_str(), kdm->length(), 0);
  60                 if (!source) {
  61                         throw StringError ("could not create ZIP source");
  62                 }
  63
  64                 if (zip_add (zip, i.filename(filename_first_part).c_str(), source) == -1) {
  65                         throw StringError ("failed to add KDM to ZIP archive");
  66                 }
  67         }
  68
  69         if (zip_close (zip) == -1) {
  70                 throw StringError ("failed to close ZIP archive");
  71         }
  72 }
  73
  74 list<CinemaKDMs>
  75 CinemaKDMs::collect (list<ScreenKDM> screen_kdms)
  76 {
  77         list<CinemaKDMs> cinema_kdms;
  78
  79         while (!screen_kdms.empty ()) {
  80
  81                 /* Get all the screens from a single cinema */
  82
  83                 CinemaKDMs ck;
  84
  85                 list<ScreenKDM>::iterator i = screen_kdms.begin ();
  86                 ck.cinema = i->screen->cinema;
  87                 ck.screen_kdms.push_back (*i);
  88                 list<ScreenKDM>::iterator j = i;
  89                 ++i;
  90                 screen_kdms.remove (*j);
  91
  92                 while (i != screen_kdms.end ()) {
  93                         if (i->screen->cinema == ck.cinema) {
  94                                 ck.screen_kdms.push_back (*i);
  95                                 list<ScreenKDM>::iterator j = i;
  96                                 ++i;
  97                                 screen_kdms.remove (*j);
  98                         } else {
  99                                 ++i;
 100                         }
 101                 }
 102
 103                 cinema_kdms.push_back (ck);
 104         }
 105
 106         return cinema_kdms;
 107 }
 108
 109 void
 110 CinemaKDMs::write_zip_files (string filename_first_part, list<CinemaKDMs> cinema_kdms, boost::filesystem::path directory)
 111 {
 112         BOOST_FOREACH (CinemaKDMs const & i, cinema_kdms) {
 113                 boost::filesystem::path path = directory;
 114                 path /= tidy_for_filename (i.cinema->name) + ".zip";
 115                 i.make_zip_file (filename_first_part, path);
 116         }
 117 }
 118
 119 /* XXX: should probably get from/to from the KDMs themselves */
 120 void
 121 CinemaKDMs::email (string filename_first_part, string cpl_name, list<CinemaKDMs> cinema_kdms, dcp::LocalTime from, dcp::LocalTime to, shared_ptr<Job> job)
 122 {
 123         Config* config = Config::instance ();
 124
 125         BOOST_FOREACH (CinemaKDMs const & i, cinema_kdms) {
 126
 127                 boost::filesystem::path zip_file = boost::filesystem::temp_directory_path ();
 128                 zip_file /= boost::filesystem::unique_path().string() + ".zip";
 129                 i.make_zip_file (filename_first_part, zip_file);
 130
 131                 /* Send email */
 132
 133                 string subject = config->kdm_subject();
 134                 SafeStringStream start;
 135                 start << from.date() << " " << from.time_of_day();
 136                 SafeStringStream end;
 137                 end << to.date() << " " << to.time_of_day();
 138                 boost::algorithm::replace_all (subject, "$CPL_NAME", cpl_name);
 139                 boost::algorithm::replace_all (subject, "$START_TIME", start.str ());
 140                 boost::algorithm::replace_all (subject, "$END_TIME", end.str ());
 141                 boost::algorithm::replace_all (subject, "$CINEMA_NAME", i.cinema->name);
 142
 143                 string body = config->kdm_email().c_str();
 144                 boost::algorithm::replace_all (body, "$CPL_NAME", cpl_name);
 145                 boost::algorithm::replace_all (body, "$START_TIME", start.str ());
 146                 boost::algorithm::replace_all (body, "$END_TIME", end.str ());
 147                 boost::algorithm::replace_all (body, "$CINEMA_NAME", i.cinema->name);
 148
 149                 SafeStringStream screens;
 150                 BOOST_FOREACH (ScreenKDM const & j, i.screen_kdms) {
 151                         screens << j.screen->name << ", ";
 152                 }
 153                 boost::algorithm::replace_all (body, "$SCREENS", screens.str().substr (0, screens.str().length() - 2));
 154
 155                 Emailer email (config->kdm_from(), i.cinema->email, subject, body);
 156
 157                 if (!config->kdm_cc().empty ()) {
 158                         email.add_cc (config->kdm_cc ());
 159                 }
 160                 if (!config->kdm_bcc().empty ()) {
 161                         email.add_bcc (config->kdm_bcc ());
 162                 }
 163
 164                 email.add_attachment (zip_file, "application/zip");
 165                 email.send (job);
 166         }
 167 }