events.pm

   1 #! /usr/bin/perl
   2 # Copyright (C) 2014 Julien Moutinho <julm+ikiwiki+events&autogeree.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 3 of the License,
   7 # or (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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  17
  18 package IkiWiki::Plugin::events;
  19
  20 use strict;
  21 use warnings;
  22 use IkiWiki 3.00;
  23 use Time::Local;
  24 use DateTime;
  25 use CGI::FormBuilder;
  26 #use Data::Dumper;
  27
  28 sub import {
  29         hook(type => "getsetup",   id => "events", call => \&getsetup);
  30         hook(type => "needsbuild", id => "events", call => \&needsbuild);
  31         hook(type => "preprocess", id => "events", call => \&preprocess);
  32         hook(type => "sessioncgi", id => "events", call => \&sessioncgi);
  33  }
  34 sub getsetup () {
  35         return
  36          { plugin =>
  37                  { safe => 1
  38                  , rebuild => undef
  39                  , section => "widget"
  40                  }
  41          };
  42  }
  43
  44 my $now
  45  = DateTime->now
  46  ( time_zone => 'local'
  47  , locale    => $config{locale}
  48  )->set_time_zone('floating');
  49 my @days    = ('01'..'31');
  50 my @hours   = ('00'..'23');
  51 my @minutes = ('00'..'59');
  52
  53 # update
  54 sub set_rendering_expiration ($$) {
  55         my ($page, $timestamp) = @_;
  56         if (not exists  $pagestate{$page}{events}{expiration}
  57         or $timestamp < $pagestate{$page}{events}{expiration}) {
  58                 my $time = DateTime->from_epoch
  59                  ( epoch     => $timestamp
  60                  , time_zone => 'UTC'
  61                  , locale    => $config{locale}
  62                  );
  63                 #debug("events: set_rendering_expiration(): will refresh: page=".$page
  64                 # . " after: date=".$time->strftime('%Y-%m-%d_%H-%M-%S'));
  65                 $pagestate{$page}{events}{expiration} = $timestamp;
  66          }
  67  }
  68 sub set_next_rendering (%) {
  69         my %params = @_;
  70         if ($params{type} eq 'month'
  71          and $params{focus}->year()  == $now->year()
  72          and $params{focus}->month() == $now->month()) {
  73                 # NOTE: calendar for current month, updates next day
  74                 my $update = $params{focus}->clone;
  75                 $update->set_hour(0);
  76                 $update->set_minute(0);
  77                 $update->set_second(0);
  78                 $update->set_nanosecond(0);
  79                 my $duration = DateTime::Duration->new(days => 1, end_of_month => 'limit');
  80                 $update->add_duration($duration);
  81                 set_rendering_expiration($params{destpage}, $update->epoch());
  82                 #debug("events: will refresh current month: page=".$params{destpage}
  83                 # . " after: date=".$update->strftime('%Y-%m-%d_%H-%M-%S'));
  84          }
  85         elsif ($params{type} eq 'month'
  86          and ((  $params{focus}->year()  == $now->year()
  87                          and $params{focus}->month()  > $now->month())
  88                  or    $params{focus}->year()   > $now->year())) {
  89                 # NOTE: calendar for upcoming month, updates 1st of next month
  90                 my $update = $params{focus}->clone;
  91                 $update->set_day(1);
  92                 $update->set_hour(0);
  93                 $update->set_minute(0);
  94                 $update->set_second(0);
  95                 $update->set_nanosecond(0);
  96                 set_rendering_expiration($params{destpage}, $update->epoch());
  97                 #debug("events: will refresh upcoming month: page=".$params{destpage}
  98                 # . " after: date=".$update->strftime('%Y-%m-%d_%H-%M-%S'));
  99          }
 100         elsif ($params{type} eq 'day'
 101          and ($params{focus}->year()     == $now->year()
 102                          and $params{focus}->month() == $now->month()
 103                          and $params{focus}->day()   == $now->day())) {
 104                 # NOTE: calendar for current day, updates next day
 105                 my $update = $params{focus}->clone;
 106                 $update->set_hour(0);
 107                 $update->set_minute(0);
 108                 $update->set_second(0);
 109                 $update->set_nanosecond(0);
 110                 my $duration = DateTime::Duration->new(days => 1, end_of_month => 'limit');
 111                 $update->add_duration($duration);
 112                 set_rendering_expiration($params{destpage}, $update->epoch());
 113                 #debug("events: will refresh current day: page=".$params{destpage}
 114                 # . " after: date=".$update->strftime('%Y-%m-%d_%H-%M-%S'));
 115          }
 116         elsif ($params{type} eq 'day'
 117          and ((    $params{focus}->year()  == $now->year()
 118                          and ( $params{focus}->month()  > $now->month()
 119                                  or ($params{focus}->month() == $now->month()
 120                                  and $params{focus}->day()    > $now->day() ))
 121                  or      $params{focus}->year()   > $now->year()))) {
 122                 # NOTE: calendar for upcoming day, updates that day
 123                 my $update = $params{focus}->clone;
 124                 $update->set_hour(0);
 125                 $update->set_minute(0);
 126                 $update->set_second(0);
 127                 $update->set_nanosecond(0);
 128                 set_rendering_expiration($params{destpage}, $update->epoch());
 129                 #debug("events: will refresh upcoming day: page=".$params{destpage}
 130                 # . " after: date=".$update->strftime('%Y-%m-%d_%H-%M-%S'));
 131          }
 132  }
 133 sub needsbuild (@) {
 134         my $needsbuild = shift;
 135         foreach my $page (keys %pagestate) {
 136                 if (exists $pagestate{$page}{events}{expiration}) {
 137                         if ($pagestate{$page}{events}{expiration} <= $now->epoch()) {
 138                                 # NOTE: force a rebuild so the calendar shows the current day
 139                                 push @$needsbuild, $pagesources{$page};
 140                          }
 141                         if (exists $pagesources{$page}
 142                          and grep { $_ eq $pagesources{$page} } @$needsbuild) {
 143                                 # NOTE: remove state, will be re-added
 144                                 #       if the calendar is still there during the rebuild
 145                                 delete $pagestate{$page}{events};
 146                          }
 147                  }
 148          }
 149         return $needsbuild;
 150  }
 151
 152 # render
 153 sub date_of_page ($%) {
 154         my ($page, %params) = @_;
 155         my $dir = IkiWiki::dirname($page);
 156         my ($year, $month, $day, $hour, $hour_begin, $hour_end)
 157          = $dir =~ m{
 158                 .*?
 159                 /(\d+)
 160                 (?:/(01|02|03|04|05|06|07|08|09|10|11|12)
 161                         (?:/(01|02|03|04|05|06|07|08|09|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31)
 162                                 (?:/(([0-2][0-9]h[0-5][0-9])
 163                                         (?:-([0-2][0-9]h[0-5][0-9]))?)
 164                                 )?
 165                         )?
 166                 )?
 167                 $
 168          }x;
 169         my $r =
 170          { year       => $year
 171          , month      => $month
 172          , day        => $day
 173          , hour       => $hour
 174          , hour_begin => $hour_begin
 175          , hour_end   => $hour_end
 176          };
 177         #debug("date_of_page: dir=".$dir." ".Dumper($r));
 178         return $r;
 179  }
 180 sub event_of_page ($%) {
 181         my ($event, $date, %params) = @_;
 182         my $title
 183          = exists $pagestate{$event}{meta}{title}
 184          ? $pagestate{$event}{meta}{title}
 185          : pagetitle(IkiWiki::basename($event));
 186         my $hour
 187          = $date->{hour};
 188         my $link
 189          = htmllink
 190          ( $params{page}
 191          , $params{destpage}
 192          , $event
 193          , linktext => $title
 194          , noimageinline => 1
 195          , title => $title );
 196         my @tags
 197          = sort {lc $a cmp lc $b}
 198          (grep {
 199                         not defined $params{tags}
 200                         or pagespec_match($_, $params{tags})
 201                  }
 202                  (keys %{$IkiWiki::typedlinks{$event}{tag}}));
 203         @tags
 204          = map {
 205                 my $tag = $_;
 206                 my $title
 207                  = exists $pagestate{$tag}{meta}{title}
 208                  ? $pagestate{$tag}{meta}{title}
 209                  : pagetitle(IkiWiki::basename($tag));
 210                 my $link
 211                  = htmllink
 212                  ( $params{page}
 213                  , $params{destpage}
 214                  , '/'.$tag
 215                  , linktext => $title
 216                  , noimageinline => 1
 217                  , title => $title );
 218                 add_depends($params{page}, $event, deptype('content'));
 219                 #add_depends($params{page}, $tag, deptype('content'));
 220                         # XXX: much too heavy :\ and midnight refresh may fix it anyway.
 221                 my $class = qq{$tag};
 222                 $class =~ s{[^a-zA-Z0-9-]}{_}g;
 223                 { class => "tag tag-$class"
 224                 , link  => $link }
 225          } @tags;
 226         my $base = IkiWiki::dirname($event);
 227         $base =~ s/[^a-zA-Z0-9-]/_/g;
 228         return
 229          { hour => $hour
 230          , page => $event
 231          , date => $date
 232          , link => $link
 233          , tags => \@tags
 234          , base => $base };
 235  }
 236 sub events_of_pages ($%) {
 237         my ($pages, %params) = @_;
 238         my @day_events = ();
 239         my @hour_events = ();
 240         my $pagedir = sub { IkiWiki::basename(IkiWiki::dirname(shift)) };
 241         foreach my $page (@$pages) {
 242                 my $date = date_of_page($page);
 243                 if (defined $date->{hour}) {
 244                         push @hour_events, {page=>$page, date=>$date};
 245                  }
 246                 else {
 247                         push @day_events, {page=>$page, date=>$date};
 248                  }
 249          }
 250         return
 251          map {event_of_page($_->{page}, $_->{date}, %params)}
 252          ( (sort {lc IkiWiki::basename($a->{page}) cmp lc IkiWiki::basename($b->{page})} @day_events)
 253          , (sort {
 254                 my $r = $a->{date}->{hour} cmp $b->{date}->{hour};
 255                 if ($r) { $r }
 256                 else { IkiWiki::basename($a->{page}) cmp IkiWiki::basename($b->{page}) }
 257          } @hour_events) );
 258  }
 259 sub event_html ($$%) {
 260         my ($date, $format, %params) = @_;
 261         my $day   = sprintf("%02d", $date->day());
 262         my $month = sprintf("%02d", $date->month());
 263         my $year_html = $date->year();
 264         my $month_html
 265          = $format->{month_name}
 266          ? $date->month_name()
 267          : $month;
 268         my $day_html
 269          = $format->{day_name}
 270          ? $date->day_name()." ".$date->day()
 271          : $format->{day_abbr}
 272          ? $date->day_abbr()." ".$date->day()
 273          : $date->day();
 274         my $wday_class
 275          = "wday-".($date->day_of_week() - 1)
 276          . ( ($date->year()    == $now->year()
 277                         and $date->month() == $now->month()
 278                         and $date->day()   == $now->day())
 279                  ? " today"
 280                  : "" );
 281         my $new_html = "";
 282         if (not defined $params{new} or $params{new} ne 'no') {
 283                 if ($format->{year}) {
 284                         my $year_page
 285                          = sprintf
 286                          ( '%s/%d'
 287                          , $params{base}
 288                          , $date->year()
 289                          );
 290                         add_depends($params{page}, $year_page, deptype("presence"));
 291                         if ($pagesources{$year_page}) {
 292                                 $year_html
 293                                  = htmllink
 294                                  ( $params{page}
 295                                  , $params{destpage}
 296                                  , $year_page
 297                                  , linktext => $year_html
 298                                  , noimageinline => 1 );
 299                          }
 300                  }
 301                 if ($format->{month}) {
 302                         my $month_page
 303                          = sprintf
 304                          ( '%s/%d/%02d'
 305                          , $params{base}
 306                          , $date->year()
 307                          , $date->month()
 308                          );
 309                         add_depends($params{page}, $month_page, deptype("presence"));
 310                         if ($pagesources{$month_page}) {
 311                                 $month_html
 312                                  = htmllink
 313                                  ( $params{page}
 314                                  , $params{destpage}
 315                                  , $month_page
 316                                  , linktext => $month_html
 317                                  , noimageinline => 1 );
 318                          }
 319                  }
 320                 if ($format->{day}) {
 321                         my $day_page
 322                          = sprintf
 323                          ( '%s/%d/%02d/%02d'
 324                          , $params{base}
 325                          , $date->year()
 326                          , $date->month()
 327                          , $date->day()
 328                          );
 329                         add_depends($params{page}, $day_page, deptype("presence"));
 330                         if ($pagesources{$day_page}) {
 331                                 $day_html
 332                                  = htmllink
 333                                  ( $params{page}
 334                                  , $params{destpage}
 335                                  , $day_page
 336                                  , linktext => $day_html
 337                                  , noimageinline => 1 );
 338                          }
 339                  }
 340                 unless ($params{nonew} or not $format->{new}) {
 341                         $new_html
 342                          .= qq{<a class='new' href='}
 343                          . IkiWiki::cgiurl
 344                                  ( base  => $params{base}
 345                                  , ($date->day()
 346                                          ?(day => $day):())
 347                                  , (($date->month() or $date->day())
 348                                          ?(month => $month):())
 349                                  , (($date->year() or $date->month() or $date->day())
 350                                          ?(year => $date->year()):())
 351                                  , do    => 'newevent'
 352                                  , page  => $params{destpage}
 353                                  )
 354                          . qq{' rel='nofollow'>+</a>};
 355                  }
 356          }
 357         return
 358          { new   => $new_html
 359          , day   => $day_html
 360          , month => $month_html
 361          , year  => $year_html
 362          , wday  => $wday_class
 363          };
 364  }
 365 sub preprocess_day (@) {
 366         my %params = @_;
 367         my @pages
 368          = pagespec_match_list
 369          ( $params{page}
 370          , $params{pages}
 371          , deptype => deptype("presence")
 372                 # NOTE: add presence dependencies to update calendar when pages are added/removed
 373          );
 374         my $event_html
 375          = event_html
 376          ( $params{focus}
 377          , {day=>1, day_name=>1, new => 1}
 378          , %params );
 379         my @events
 380          = map {
 381                 my @tags
 382                  = map {"<li\n class='".$_->{class}."'>".$_->{link}."</li>"}
 383                  @{$_->{tags}};
 384                 "<ul\n class='events'><li class='event event-$_->{base}'>"
 385                  . "<span class='head'>"
 386                                  . (defined $_->{hour} ? "<span class='hour'>$_->{hour}</span>" : "")
 387                          . "<span class='link'>$_->{link}</span>"
 388                  . "</span>"
 389                  . "<ul\n class='tags'>".join("", @tags)."</ul>"
 390                  . "</li></ul>"
 391          }
 392          events_of_pages(\@pages, %params);
 393         return
 394          "<table\n class='wday'>"
 395          . "<thead><tr><th><span\n class='head'><span\n class='day'>"
 396                          . $event_html->{day}
 397                          . $event_html->{new}
 398                  . "</span></span></th></tr></thead>"
 399          . "<tbody><tr><td\n class='wday $event_html->{wday}'>"
 400                  . join("", @events)
 401                  . "</td></tr></tbody>"
 402          . "</table>";
 403  }
 404 sub preprocess_month (@) {
 405         my %params = @_;
 406         my $one_day = DateTime::Duration->new(days => 1, end_of_month => 'limit');
 407         my $day = $params{focus}->clone->set_day(1);
 408         my $last_day
 409           = DateTime->last_day_of_month
 410          ( year  => $params{focus}->year()
 411          , month => $params{focus}->month() )->day();
 412
 413         my @pages
 414          = pagespec_match_list
 415          ( $params{page}
 416          , $params{pages}
 417          , deptype => deptype("presence")
 418                 # NOTE: add presence dependencies to update calendar when pages are added/removed
 419          );
 420
 421         my %events_by_day = map {($_=>[])} (1 .. $last_day);
 422         foreach my $event (events_of_pages(\@pages, %params)) {
 423                 push @{$events_by_day{$event->{date}->{day}}}, $event;
 424          }
 425
 426         my $t='<tr>';
 427         my $first_wday = $day->clone();
 428         my $last_wday  = ($params{week_start_day} + 6) % 7;
 429         while ($first_wday->day_of_week() - 1 != $params{week_start_day}) {
 430          # NOTE: pad the begining
 431                 $first_wday->subtract_duration($one_day);
 432                 $t.="<td class='no-wday'></td>";
 433          }
 434         my $month = $day->month();
 435         for (; $day->month() == $month; $day->add_duration($one_day)) {
 436                 my $event_html
 437                  = event_html
 438                  ( $day
 439                  , {day=>1, day_abbr=>1, new => 1}
 440                  , %params );
 441                 $t.= "<td class='wday $event_html->{wday}'>";
 442                 my @events
 443                  = map {
 444                         my @tags
 445                          = map {"<li\n class='".$_->{class}."'>".$_->{link}."</li>"}
 446                          @{$_->{tags}};
 447                         "<li\n class='event event-$_->{base}'>"
 448                          . "<span class='head'>"
 449                                  . (defined $_->{hour} ? "<span class='hour'>$_->{hour}</span>" : "")
 450                                  . "<span class='link'>$_->{link}</span>"
 451                          . "</span>"
 452                          . "<ul class='tags'>".join("", @tags)."</ul>"
 453                          . "</li>\n"
 454                  }
 455                  @{$events_by_day{sprintf('%02d',$day->day())}};
 456                 $t .=
 457                  "<span class='head'>"
 458                          . "<span class='day'>"
 459                                  . $event_html->{day}
 460                                  . $event_html->{new}
 461                          . "</span>"
 462                  . "</span>"
 463                  . "<ul class='events'>".join("", @events)."</ul>";
 464                 $t.='</td>';
 465                 if ($day->day_of_week() - 1 == $last_wday) {
 466                         $t.="</tr>";
 467                         $t.="<tr>"
 468                                 if ($day->day_of_month() < $last_day);
 469                  }
 470          }
 471         while ($day->day_of_week() - 1 != $params{week_start_day}) {
 472          # NOTE: pad the end
 473                 $day->add_duration($one_day);
 474                 $t.="<td class='no-wday'></td>";
 475          }
 476         $t.='</tr>';
 477         my $event_html
 478          = event_html
 479          ( $params{focus}
 480          , {year=>1, month=>1, month_name=>1}
 481          , %params );
 482         return
 483          "<table class='month'>"
 484          . "<thead>"
 485                  . "<tr>"
 486                  . "<th colspan='7'>"
 487                  . "<span class='month'>$event_html->{month}</span>"
 488                  . " <span class='year'>$event_html->{year}</span>"
 489                  . "</th>"
 490                  . "</tr>"
 491                  . "<tr>"
 492                  . join ("", map {
 493                         $_ = "<th><span>".$first_wday->day_name()."</span></th>";
 494                         $first_wday->add_duration($one_day);
 495                         $_ } (1..7))
 496                  . "</tr>"
 497          . "</thead>"
 498          . "<tbody>$t</tbody></table>";
 499  }
 500 sub preprocess (@) {
 501         my %params = @_;
 502         $params{focus} = $now->clone;
 503         $params{focus}->set_hour(0);
 504         $params{focus}->set_minute(0);
 505         $params{focus}->set_second(0);
 506         $params{focus}->set_nanosecond(0);
 507
 508         $params{pages} = "*"        unless defined $params{pages};
 509         $params{type}  = "month"    unless defined $params{type};
 510         $params{week_start_day} = 0 unless defined $params{week_start_day};
 511         $params{week_start_day} = $params{week_start_day} % 7;
 512
 513         unless (defined $params{base}) {
 514                 $params{base}
 515                  = defined $config{events_base}
 516                  ? $config{events_base}
 517                  : gettext('Agenda');
 518          }
 519
 520         my %focus_set;
 521         if (defined $params{day} and $params{day} =~ m/^(\d+)$/) {
 522                 my ($day) = ($1);
 523                 $focus_set{day} = $day;
 524          }
 525         if (defined $params{month} and $params{month} =~ m/^(\d+)$/) {
 526                 my ($month) = ($1);
 527                 $focus_set{month} = $month;
 528          }
 529         if (defined $params{year} and $params{year} =~ m/^(\d+)$/) {
 530                 my ($year) = ($1);
 531                 $focus_set{year} = $year;
 532          }
 533         $params{focus}->set(%focus_set);
 534
 535         if (defined $params{day} and $params{day} =~ m/^([+-])(\d+)$/) {
 536                 my ($sign, $days) = ($1, $2);
 537                 my $duration = DateTime::Duration->new(days => $days, end_of_month => 'limit');
 538                 $params{focus}
 539                  = $sign eq '+'
 540                  ? $params{focus}->add_duration($duration)
 541                  : $params{focus}->subtract_duration($duration);
 542          }
 543         if (defined $params{month} and $params{month} =~ m/^([+-])(\d+)$/) {
 544                 my ($sign, $months) = ($1, $2);
 545                 my $duration = DateTime::Duration->new(months => $months, end_of_month => 'limit');
 546                 $params{focus}
 547                  = $sign eq '+'
 548                  ? $params{focus}->add_duration($duration)
 549                  : $params{focus}->subtract_duration($duration);
 550          }
 551         if (defined $params{year} and $params{year} =~ m/^([+-])(\d+)$/) {
 552                 my ($sign, $years) = ($1, $2);
 553                 my $duration = DateTime::Duration->new(years => $years, end_of_month => 'limit');
 554                 $params{focus}
 555                  = $sign eq '+'
 556                  ? $params{focus}->add_duration($duration)
 557                  : $params{focus}->subtract_duration($duration);
 558          }
 559
 560         #debug("events: focus=".$params{focus}->strftime('%Y-%m-%d_%H-%M-%S'));
 561         $params{pages} =~ s[%Y][$params{focus}->year()]eg;
 562         $params{pages} =~ s[%m][sprintf('%02d', $params{focus}->month())]eg;
 563         $params{pages} =~ s[%d][sprintf('%02d', $params{focus}->day())]eg;
 564
 565         set_next_rendering(%params);
 566
 567         my $calendar = "";
 568         if ($params{type} eq 'month') {
 569                 $calendar = preprocess_month(%params);
 570          }
 571         elsif ($params{type} eq 'day') {
 572                 $calendar = preprocess_day(%params);
 573          }
 574
 575         return "<div class='calendar'>$calendar</div>";
 576  }
 577
 578 # new
 579 sub tmpl ($$) {
 580         my ($base, $model) = @_;
 581         my $page = $base.'/'.'templates/'.$model;
 582         my $file = defined srcfile($page, 1) ? '/'.$page : $model;
 583         return template($file);
 584  }
 585 sub date_of_form ($$;%) {
 586         my ($form, $prefix, %default) = @_;
 587         %default =
 588          ( year   => 0
 589          , month  => 1
 590          , day    => 1
 591          , hour   => 0
 592          , minute => 0
 593          , %default
 594          );
 595         my $date;
 596         eval { $date = DateTime->new
 597          ( year       => ($form->field($prefix.'_year')   ne '' ? $form->field($prefix.'_year')                : $default{year})
 598          , month      => ($form->field($prefix.'_month')  ne '' ? substr($form->field($prefix.'_month'), 0, 2) : $default{month})
 599          , day        => ($form->field($prefix.'_day')    ne '' ? $form->field($prefix.'_day')                 : $default{day})
 600          , hour       => ($form->field($prefix.'_hour')   ne '' ? $form->field($prefix.'_hour')                : $default{hour})
 601          , minute     => ($form->field($prefix.'_minute') ne '' ? $form->field($prefix.'_minute')              : $default{minute})
 602          , second     => 0
 603          , nanosecond => 0
 604          , time_zone  => 'local'
 605          , locale     => $config{locale}
 606          )->set_time_zone('floating') };
 607         return $date;
 608  };
 609 sub duration_of_form ($$) {
 610         my ($form, $prefix) = @_;
 611         my $dur;
 612         eval { $dur = DateTime::Duration->new
 613          ( years        => $form->field($prefix.'_year')
 614          , months       => $form->field($prefix.'_month')
 615          , days         => $form->field($prefix.'_day')
 616          , weeks        => $form->field($prefix.'_week')
 617          , hours        => $form->field($prefix.'_hour')
 618          , minutes      => $form->field($prefix.'_minute')
 619          , seconds      => 0
 620          , nanoseconds  => 0
 621          , end_of_month => 'limit'
 622          ) };
 623         return $dur;
 624  };
 625 sub page_of_event ($$$$$) {
 626         my ($form, $from_date, $to_date, $name, $base) = @_;
 627         my $time = '';
 628         if ($form->field('from_hour')   ne ''
 629         or  $form->field('from_minute') ne '') {
 630                 if ($from_date->hour() == $to_date->hour()
 631                  and $from_date->minute() == $to_date->minute()) {
 632                         $time = sprintf('%02dh%02d', $from_date->hour(), $from_date->minute());
 633                  }
 634                 else {
 635                         $time = sprintf('%02dh%02d-%02dh%02d'
 636                          , $from_date->hour(), $from_date->minute()
 637                          , $to_date->hour(), $to_date->minute());
 638                  }
 639          }
 640         return
 641          ( $base
 642          . ($base?'/':'').$from_date->year()
 643          . '/'.sprintf('%02d', $from_date->month())
 644          . '/'.sprintf('%02d', $from_date->day())
 645          . '/'. ($time ne '' ? $time . '/' : '')
 646          . $name
 647          );
 648  }
 649 sub check_cannewevent ($$$$) {
 650         my $dest=shift;
 651         my $destfile=shift;
 652         my $cgi=shift;
 653         my $session=shift;
 654
 655         # Must be a legal filename.
 656         if (IkiWiki::file_pruned($destfile)) {
 657                 error(sprintf(gettext("illegal name")));
 658          }
 659         # Must not be a known source file.
 660         if (exists $pagesources{$dest}) {
 661                 error(sprintf(gettext("%s already exists"),
 662                         htmllink("", "", $dest
 663                          , linktext => $dest
 664                          , noimageinline => 1)));
 665          }
 666         # Must not exist on disk already.
 667         if (-l "$config{srcdir}/$destfile" || -e _) {
 668                 error(sprintf(gettext("%s already exists on disk"), $destfile));
 669          }
 670
 671         # Must be editable.
 672         IkiWiki::check_canedit($dest, $cgi, $session);
 673
 674         my $can_newevent;
 675         IkiWiki::run_hooks(can_newevent => sub {
 676                 return if defined $can_newevent;
 677                 my $ret=shift->(cgi => $cgi, session => $session, dest => $dest, destfile => $destfile);
 678                 if (defined $ret) {
 679                         if ($ret eq "") {
 680                                 $can_newevent=1;
 681                          }
 682                         elsif (ref $ret eq 'CODE') {
 683                                 $ret->();
 684                                 $can_newevent=0;
 685                          }
 686                         elsif (defined $ret) {
 687                                 error($ret);
 688                                 $can_newevent=0;
 689                          }
 690                  }
 691          });
 692         return defined $can_newevent ? $can_newevent : 1;
 693  }
 694 sub post_newevent ($$$) {
 695         my $cgi=shift;
 696         my $session=shift;
 697         my $dest=shift;
 698
 699         IkiWiki::redirect($cgi, urlto($dest));
 700         exit;
 701  }
 702 sub newevent_hook {
 703         my %params  = @_;
 704         my @events  = @{$params{events}};
 705         my %done    = %{$params{done}};
 706         my $cgi     = $params{cgi};
 707         my $session = $params{session};
 708         return ()
 709                 unless @events;
 710         my @next;
 711         foreach my $event (@events) {
 712                 unless (exists $done{$event->{page}} && $done{$event->{file}}) {
 713                         IkiWiki::run_hooks(newevent => sub {
 714                                 push @next, shift->
 715                                  ( cgi     => $cgi
 716                                  , event   => $event
 717                                  , session => $session
 718                                  );
 719                          });
 720                         $done{$event->{page}} = 1;
 721                  }
 722          }
 723         push @events, newevent_hook
 724          ( cgi     => $cgi
 725          , done    => \%done
 726          , events  => \@next
 727          , session => $session
 728          );
 729         my %seen; # NOTE: insure unicity
 730         return grep { ! $seen{$_->{page}}++ } @events;
 731  }
 732 sub preview($$$$$) {
 733         my ($cgi, $session, $form, $events, $months) = @_;
 734         $form->tmpl_param(year   => gettext("year"));
 735         $form->tmpl_param(month  => gettext("month"));
 736         $form->tmpl_param(day    => gettext("day"));
 737         $form->tmpl_param(hour   => gettext("hour"));
 738         $form->tmpl_param(min    => gettext("min"));
 739         $form->tmpl_param(dow    => gettext("day of week"));
 740         $form->tmpl_param(page   => gettext("page"));
 741         $form->tmpl_param(events => [
 742                 map {
 743                         { from_year      => $_->{from}->year()
 744                         , from_month     => sprintf('%02d', $_->{from}->month())
 745                         , from_monthname => $months->{$_->{from}->month()}
 746                         , from_day       => sprintf('%02d', $_->{from}->day())
 747                         , from_hour      => sprintf('%02d', $_->{from}->hour())
 748                         , from_minute    => sprintf('%02d', $_->{from}->minute())
 749                         , from_dow       => $_->{from}->dow()
 750                         , from_downame   => $_->{from}->day_name()
 751                         , to_year        => $_->{to}->year()
 752                         , to_month       => sprintf('%02d', $_->{to}->month())
 753                         , to_monthname   => $months->{$_->{to}->month()}
 754                         , to_day         => sprintf('%02d', $_->{to}->day())
 755                         , to_hour        => sprintf('%02d', $_->{to}->hour())
 756                         , to_minute      => sprintf('%02d', $_->{to}->minute())
 757                         , to_dow         => $_->{to}->dow()
 758                         , page           =>
 759                                 htmllink("", "", $_->{page}
 760                                  , linktext => $_->{page}
 761                                  , noimageinline => 1)
 762                         }
 763                  } @$events
 764          ]);
 765         if (@$events > 0) {
 766                 my $page = @$events[0];
 767                 # FROM: editpage.pm
 768                 my $new = not exists $pagesources{$page};
 769                 # temporarily record its type
 770                 my $type = $config{default_pageext};
 771                 $pagesources{$page} = $page.".".$type if $new;
 772                 my %wasrendered = map { $_ => 1 } @{$renderedfiles{$page}};
 773                 my $content = @$events[0]->{content};
 774
 775                 IkiWiki::run_hooks(editcontent => sub {
 776                         $content = shift->
 777                          ( cgi     => $cgi
 778                          , content => $content
 779                          , page    => $page
 780                          , session => $session
 781                          );
 782                  });
 783                 my $preview = IkiWiki::htmlize($page, $page, $type,
 784                         IkiWiki::linkify($page, $page,
 785                         IkiWiki::preprocess($page, $page,
 786                         IkiWiki::filter($page, $page, $content), 0, 1)));
 787                 IkiWiki::run_hooks(format => sub {
 788                         $preview = shift->
 789                          ( content => $preview
 790                          , page    => $page
 791                          );
 792                  });
 793                 $form->tmpl_param("preview", $preview);
 794
 795                 # Previewing may have created files on disk.
 796                 # Keep a list of these to be deleted later.
 797                 my %previews = map { $_ => 1 } @{$wikistate{editpage}{previews}};
 798                 foreach my $f (@{$renderedfiles{$page}}) {
 799                         $previews{$f} = 1 unless $wasrendered{$f};
 800                  }
 801
 802                 # Throw out any other state changes made during previewing,
 803                 # and save the previews list.
 804                 IkiWiki::loadindex();
 805                 @{$wikistate{editpage}{previews}} = keys %previews;
 806                 IkiWiki::saveindex();
 807          }
 808         else {
 809                 $form->tmpl_param("preview", gettext("No event"));
 810          }
 811  }
 812 sub create ($$$$$) {
 813         my ($event, $cgi, $session, $months, $base) = @_;
 814         check_cannewevent
 815          ( $event->{page}
 816          , $event->{file}
 817          , $cgi
 818          , $session
 819          );
 820         my $pageext = $config{default_pageext};
 821
 822         $config{cgi} = 0; # NOTE: avoid CGI error message
 823         eval { writefile($event->{file}, $config{srcdir}, $event->{content}) };
 824         if ($config{rcs}) {
 825                 IkiWiki::rcs_add($event->{file});
 826          }
 827         # month page
 828                 my $monthpage =
 829                  ( $base
 830                  . ($base?'/':'').$event->{from}->year()
 831                  . '/'.sprintf('%02d', $event->{from}->month())
 832                  );
 833                 my $monthfile = IkiWiki::newpagefile($monthpage, $pageext);
 834                 if (not exists $pagesources{$monthpage}
 835                  and not -l $config{srcdir}.'/'.$monthfile
 836                  and not -e _) {
 837                         my $tmpl_neweventmonth = tmpl($base, 'neweventmonth.tmpl');
 838                         $tmpl_neweventmonth->param(base      => $base);
 839                         $tmpl_neweventmonth->param(year      => $event->{from}->year());
 840                         $tmpl_neweventmonth->param(month     => sprintf('%02d', $event->{from}->month()));
 841                         $tmpl_neweventmonth->param(monthname => $months->{$event->{from}->month()});
 842                         my $content = $tmpl_neweventmonth->output();
 843                         eval { writefile($monthfile, $config{srcdir}, $content) };
 844                         if ($config{rcs}) {
 845                                 IkiWiki::rcs_add($monthfile);
 846                          }
 847                  }
 848         # day page
 849                 my $daypage =
 850                  ( $monthpage
 851                  . '/'.sprintf('%02d', $event->{from}->day())
 852                  );
 853                 my $dayfile = IkiWiki::newpagefile($daypage, $pageext);
 854                 if (not exists $pagesources{$daypage}
 855                  and not -l $config{srcdir}.'/'.$dayfile
 856                  and not -e _) {
 857                         my $tmpl_neweventday = tmpl($base, 'neweventday.tmpl');
 858                         $tmpl_neweventday->param(base      => $base);
 859                         $tmpl_neweventday->param(year      => $event->{from}->year());
 860                         $tmpl_neweventday->param(month     => sprintf('%02d', $event->{from}->month()));
 861                         $tmpl_neweventday->param(monthname => $months->{$event->{from}->month()});
 862                         $tmpl_neweventday->param(day       => sprintf('%02d', $event->{from}->day()));
 863                         $tmpl_neweventday->param(dayname   => $event->{from}->day_name());
 864                         my $content = $tmpl_neweventday->output();
 865                         eval { writefile($dayfile, $config{srcdir}, $content) };
 866                         if ($config{rcs}) {
 867                                 IkiWiki::rcs_add($dayfile);
 868                          }
 869                  }
 870         $config{cgi} = 1;
 871  }
 872 sub sessioncgi ($$) {
 873         my ($cgi, $session) = @_;
 874         if (defined $cgi->param('do') && $cgi->param('do') eq "newevent") {
 875                 # TOTRY: decode_cgi_utf8($cgi);
 876                 my $base = Encode::decode_utf8(URI::Escape::uri_unescape(IkiWiki::possibly_foolish_untaint($cgi->param('base'))));
 877                 &IkiWiki::check_canedit($base, $cgi, $session);
 878                 my $page = Encode::decode_utf8(URI::Escape::uri_unescape(IkiWiki::possibly_foolish_untaint($cgi->param('page'))));
 879
 880                 my $now_date = DateTime->now
 881                  ( time_zone => 'local'
 882                  , locale    => $config{locale}
 883                  )->set_time_zone('floating');
 884                 my %dows   = map { ($_ => $now_date->{locale}->day_format_wide->[ $_ ]) } (0..6);
 885                 my %months = map { ($_ => $now_date->{locale}->month_format_wide->[ $_ - 1 ]) } (1..12);
 886                 my $cgi_date;
 887                 eval { $cgi_date = DateTime->new
 888                  ( year       => defined $cgi->param("year")   ? $cgi->param("year")   : $now_date->year()
 889                  , month      => defined $cgi->param("month")  ? $cgi->param("month")  : $now_date->month()
 890                  , day        => defined $cgi->param("day")    ? $cgi->param("day")    : $now_date->day()
 891                  , hour       => defined $cgi->param("hour")   ? $cgi->param("hour")   : $now_date->hour()
 892                  , minute     => defined $cgi->param("minute") ? $cgi->param("minute") : $now_date->minute()
 893                  , second     => 0
 894                  , nanosecond => 0
 895                  , time_zone  => 'local'
 896                  , locale     => $config{locale}
 897                  )->set_time_zone('floating') };
 898                 error(sprintf(gettext("illegal date")))
 899                         unless $cgi_date;
 900
 901                 my @years = ($cgi_date->year() .. $cgi_date->year()+5);
 902                 my $week_start_day
 903                  = (defined $config{week_start_day} and $config{week_start_day} >= 0 and $config{week_start_day} <= 6)
 904                  ?          $config{week_start_day}
 905                  : 1;
 906                 my @dow_order = ($week_start_day .. 6, 0 .. $week_start_day-1);
 907
 908                 my $tags = $typedlinks{$page}{tag};
 909                 my $buttons = [qw{Preview Create}];
 910                 my ($from_date, $to_date, $end_date, $inc_dur);
 911                 my $form = CGI::FormBuilder->new
 912                  ( action => IkiWiki::cgiurl()
 913                  , charset => "utf-8"
 914                  , fields => [qw{
 915                          do base
 916                          from_date from_year from_month from_day from_hour from_minute
 917                          to_date to_year to_month to_day to_hour to_minute
 918                          inc_dur inc_year inc_month inc_week inc_day inc_hour inc_minute
 919                          end_times end_date end_year end_month end_day end_hour end_minute
 920                          dom name content
 921                          }]
 922                  , header => 0
 923                  , javascript => 0
 924                  , messages =>
 925                          {
 926                         #   form_required_text  => 'form_required_text'
 927                         # , form_invalid_text   => 'form_invalid_text'
 928                         # , form_invalid_file   => 'form_invalid_file'
 929                         # , form_invalid_input  => gettext('allowed characters: ').$config{wiki_file_chars}
 930                          form_invalid_select => gettext('invalid selection')
 931                          }
 932                  , method     => 'POST'
 933                  , name       => "newevent"
 934                  , stylesheet => 1
 935                  , params     => $cgi
 936                  , required   => [qw{do base year month day name from_date to_date end_date inc_dur}]
 937                  , submit     => [qw{Preview Create}]
 938                  , title      => gettext("newevent")
 939                  , template   => { template("newevent.tmpl") }
 940                  , validate   =>
 941                          { from_date => { perl => sub {
 942                                         my (undef, $form) = @_;
 943                                         $from_date = date_of_form($form, 'from')
 944                                                 unless defined $from_date;
 945                                         defined $from_date
 946                                  } }
 947                          , to_date   => { perl => sub {
 948                                         my (undef, $form) = @_;
 949                                         $from_date = date_of_form($form, 'from')
 950                                                 unless defined $from_date;
 951                                         if (defined $from_date) {
 952                                                 $to_date = date_of_form($form, 'to'
 953                                                  , year   => $from_date->year()
 954                                                  , month  => $from_date->month()
 955                                                  , day    => $from_date->day()
 956                                                  , hour   => $from_date->hour()
 957                                                  , minute => $from_date->minute());
 958                                                 defined $to_date
 959                                                 and (DateTime->compare($from_date, $to_date) <= 0)
 960                                          }
 961                                         else {return 0;}
 962                                  } }
 963                          , end_date  => { perl => sub {
 964                                         my (undef, $form) = @_;
 965                                         if ( $form->field('end_year')   ne ''
 966                                          or  $form->field('end_month')  ne ''
 967                                          or  $form->field('end_day')    ne '' ) {
 968                                                 $from_date = date_of_form($form, 'from')
 969                                                         unless defined $from_date;
 970                                                 if (defined $from_date) {
 971                                                         $end_date = date_of_form($form, 'end'
 972                                                          , year   => $from_date->year()
 973                                                          , month  => $from_date->month()
 974                                                          , day    => $from_date->day()
 975                                                          , hour   => $from_date->hour()
 976                                                          , minute => $from_date->minute());
 977                                                         (defined $from_date and defined $end_date
 978                                                         and DateTime->compare($from_date, $end_date) <= 0)
 979                                                  }
 980                                                 else {return 0;}
 981                                          }
 982                                         else {
 983                                                 1;
 984                                          }
 985                                  } }
 986                          , name => '/^.+$/'
 987                          , base => '/^.*$/'
 988                          , end_times  => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 989                          , inc_year   => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 990                          , inc_month  => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 991                          , inc_week   => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 992                          , inc_day    => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 993                          , inc_hour   => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 994                          , inc_minute => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 995                          , inc_dur    => sub {
 996                                         my (undef, $form) = @_;
 997                                         $inc_dur = duration_of_form($form, 'inc');
 998                                         defined $inc_dur
 999                                         and ($inc_dur->is_positive() or $inc_dur->is_zero());
1000                                  }
1001                          }
1002                  );
1003                 $base = $form->field('base') ? $form->field('base') : $base;
1004                 $form->title(sprintf(gettext("creating new events"), pagetitle(IkiWiki::basename($page))));
1005                 $form->field(name => "do", type => "hidden", value => 'newevent', force => 1);
1006                 $form->field(name => "base", type => "hidden", force => 1 , value => $base);
1007                 $form->field(name => "from_date", type => "hidden", value => '1', force => 1);
1008                 $form->field(name => "to_date", type => "hidden", value => '1', force => 1);
1009                 $form->field(name => "end_date", type => "hidden", value => '1', force => 1);
1010                 $form->field(name => "inc_dur", type => "hidden", value => '1', force => 1);
1011                 $form->field(name => "from_year", type => 'select', value => $cgi_date->year(), options => \@years);
1012                 $form->field(name => "from_month", type => 'select'
1013                  , value => sprintf("%02d", $cgi_date->month()).' - '.$months{$cgi_date->month()}
1014                  , options => [map { sprintf("%02d", $_).' - '.$months{$_} } (1..12)]);
1015                 $form->field(name => "from_day", type => 'select'
1016                  , value => sprintf("%02d", $cgi_date->day())
1017                  , options => \@days);
1018                 $form->field(name => "from_hour", type => 'select', value => '', options => \@hours);
1019                 $form->field(name => "from_minute", type => 'select', value => '', options => \@minutes);
1020                 $form->field(name => "name", type => 'text', size => 60, value => gettext('New event'));
1021                 $form->field(name => "to_year", type => 'select', value => '', options => \@years);
1022                 $form->field(name => "to_month", type => 'select'
1023                  , value => ''
1024                  , options => [map { sprintf("%02d", $_).' - '.$months{$_} } (1..12)]);
1025                 $form->field(name => "to_day", type => 'select'
1026                  , value => ''
1027                  , options => \@days);
1028                 $form->field(name => "to_hour", type => 'select', value => '', options => \@hours);
1029                 $form->field(name => "to_minute", type => 'select', value => '', options => \@minutes);
1030                 $form->field(name => "end_year", type => 'select', value => '', options => \@years);
1031                 $form->field(name => "end_month", type => 'select', value => ''
1032                  , options => [map { sprintf("%02d", $_).' - '.$months{$_} } (1..12)]);
1033                 $form->field(name => "end_day", type => 'select', value => '', options => \@days);
1034                 $form->field(name => "end_hour", type => 'select', value => '', options => \@hours);
1035                 $form->field(name => "end_minute", type => 'select', value => '', options => \@minutes);
1036                 $form->field(name => "end_times", type => 'text', value => '0', size => 2);
1037                 $form->field(name => "inc_year", type => 'text', value => '0', size => 2);
1038                 $form->field(name => "inc_month", type => 'text', value => '0', size => 2);
1039                 $form->field(name => "inc_week", type => 'text', value => '0', size => 2);
1040                 $form->field(name => "inc_day", type => 'text', value => '0', size => 2);
1041                 $form->field(name => "inc_hour", type => 'text', value => '0', size => 2);
1042                 $form->field(name => "inc_minute", type => 'text', value => '0', size => 2);
1043                 my $tmpl_neweventcontent = tmpl($base, 'neweventcontent.tmpl');
1044                 $tmpl_neweventcontent->param(title => gettext('Title of the event'));
1045                 $tmpl_neweventcontent->param(tags => [map {{name => $_}} (sort keys %$tags)]);
1046                 $form->field(name => "content", type => "textarea", size => 30, rows => 20, cols => 80
1047                  , value => $tmpl_neweventcontent->output());
1048                 $form->field(name => "dom", type => 'select', multiple => 1, size => 35
1049                  , options => [map { my $n = $_; map {($n.' '.$dows{$_})} (0..6)} ('1°', '2°', '3°', '4°', '5°')]);
1050
1051                 IkiWiki::decode_form_utf8($form);
1052                 IkiWiki::run_hooks(formbuilder_setup => sub {
1053                         shift->(form => $form, cgi => $cgi, session => $session, buttons => $buttons);
1054                  });
1055                 IkiWiki::decode_form_utf8($form);
1056
1057                 if (($form->submitted eq 'Create' || $form->submitted eq 'Preview') && $form->validate) {
1058                         #IkiWiki::checksessionexpiry($cgi, $session, $cgi->param('sid'));
1059                         $base
1060                          = $form->field('base')
1061                          ? $form->field('base')
1062                          : (defined $config{base} ? $config{base} : gettext('Agenda'));
1063                         my $end_times
1064                          = $form->field('end_times') == 0
1065                          ? undef : $form->field('end_times');
1066                         my $dom;
1067                         foreach ($form->field('dom')) {
1068                                 $dom = {} if not defined $dom;
1069                                 $dom->{$_} = 1;
1070                          }
1071                         my $name = $form->field('name');
1072                         $name = IkiWiki::possibly_foolish_untaint(IkiWiki::titlepage($name));
1073                                 # NOTE: these untaints are safe because of the checks
1074                                 #       performed in check_cannewevent later.
1075                         my $content = $form->field('content');
1076                         $content =~ s/\r\n/\n/gs;
1077                         $content =~ s/\n$//s;
1078
1079                         # Queue of event creations to perfom.
1080                         my @events = ();
1081                         my $events_try = 0;
1082                         my $events_max
1083                          = defined $config{newevent_max_per_commit}
1084                          ? $config{newevent_max_per_commit} : (2 * 365) ;
1085                         my $pageext = $config{default_pageext};
1086                         while (++$events_try <= $events_max
1087                          and (not defined $end_times or --$end_times >= 0)
1088                          and (not defined $end_date or DateTime->compare($from_date, $end_date) <= 0)) {
1089                                 my $dest = page_of_event($form, $from_date, $to_date, $name, $base);
1090                                 my $week = $from_date->weekday_of_month();
1091                                 my $day = $now_date->{locale}->day_format_wide->[$from_date->day_of_week()-1];
1092                                 if (not defined $dom or exists $dom->{"$week° $day"}) {
1093                                         push @events,
1094                                          { page => $dest
1095                                          , file => IkiWiki::newpagefile($dest, $pageext)
1096                                          , from => $from_date
1097                                          , to   => $to_date
1098                                          , name => $name
1099                                          };
1100                                  }
1101                                 last unless defined $inc_dur and $inc_dur->is_positive();
1102                                 $from_date = $from_date->clone->add_duration($inc_dur);
1103                                 $to_date   = $to_date->clone->add_duration($inc_dur);
1104                          }
1105                         error("events try per commit overflow: $events_max")
1106                                 unless $events_try <= $events_max;
1107                         my $tmpl_neweventpage = tmpl($base, 'neweventpage.tmpl');
1108                         my $i = 0;
1109                         foreach (@events) {
1110                                 $tmpl_neweventpage->clear_params();
1111                                 $tmpl_neweventpage->param(content => $content);
1112                                 $tmpl_neweventpage->param(page => $_->{page});
1113                                 $tmpl_neweventpage->param(event => $i);
1114                                 $tmpl_neweventpage->param("event_first" => 1)
1115                                         if $i == 0;
1116                                 $tmpl_neweventpage->param("event_last" => 1)
1117                                         if $i == @events - 1;
1118                                 $tmpl_neweventpage->param(events => \@events);
1119                                 $tmpl_neweventpage->param(from_date => "$_->{from}");
1120                                 $tmpl_neweventpage->param(name => $_->{name});
1121                                 $tmpl_neweventpage->param(to_date => "$_->{to}");
1122                                 $_->{content} = $tmpl_neweventpage->output();
1123                                 $i++;
1124                          }
1125                         if ($form->submitted eq 'Create') {
1126                                 @events = newevent_hook
1127                                  ( cgi     => $cgi
1128                                  , done    => {}
1129                                  , events  => \@events
1130                                  , session => $session
1131                                  );
1132                                 require IkiWiki::Render;
1133                                 if ($config{rcs}) {
1134                                         IkiWiki::disable_commit_hook()
1135                                  }
1136                                 foreach my $event (@events) {
1137                                         create($event, $cgi, $session, \%months, $base);
1138                                  }
1139                                 if ($config{rcs}) {
1140                                         IkiWiki::rcs_commit_staged
1141                                          ( message => sprintf(gettext("new event"))
1142                                          , session => $session );
1143                                         IkiWiki::enable_commit_hook();
1144                                         IkiWiki::rcs_update();
1145                                  }
1146                                 IkiWiki::refresh();
1147                                 IkiWiki::saveindex();
1148
1149                                 post_newevent($cgi, $session, (defined $events[0] ? $events[0]->{page} : ''));
1150                          }
1151                         elsif ($form->submitted eq 'Preview') {
1152                                 preview($cgi, $session, $form, \@events, \%months);
1153                                 IkiWiki::showform($form, $buttons, $session, $cgi);
1154                          }
1155                  }
1156                 else {
1157                         IkiWiki::showform($form, $buttons, $session, $cgi);
1158                  }
1159
1160                 exit 0;
1161          }
1162  }
1163
1164 1;