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