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 $besttag = bestlink($params{page}, $_);
 206                 my $tag = (length $besttag > 0 ? $besttag : $_);
 207                 my $title
 208                  = exists $pagestate{$tag}{meta}{title}
 209                  ? $pagestate{$tag}{meta}{title}
 210                  : pagetitle(IkiWiki::basename($tag));
 211                 my $link
 212                  = htmllink
 213                  ( $params{page}
 214                  , $params{destpage}
 215                  , (length $besttag == 0 and defined $config{tag_new} ? $config{tag_new} : '').'/'.$tag
 216                  , linktext => $title
 217                  , noimageinline => 1
 218                  , title => $title );
 219                 add_depends($params{page}, $event, deptype('content'));
 220                 #add_depends($params{page}, $tag, deptype('content'));
 221                         # XXX: much too heavy :\ and midnight refresh may fix it anyway.
 222                 my $class = qq{$tag};
 223                 $class =~ s{[^a-zA-Z0-9-]}{_}g;
 224                 { class => "tag tag-$class"
 225                 , link  => $link }
 226          } @tags;
 227         my $base = IkiWiki::dirname($event);
 228         $base =~ s/[^a-zA-Z0-9-]/_/g;
 229         return
 230          { hour => $hour
 231          , page => $event
 232          , date => $date
 233          , link => $link
 234          , tags => \@tags
 235          , base => $base };
 236  }
 237 sub events_of_pages ($%) {
 238         my ($pages, %params) = @_;
 239         my @day_events = ();
 240         my @hour_events = ();
 241         my $pagedir = sub { IkiWiki::basename(IkiWiki::dirname(shift)) };
 242         foreach my $page (@$pages) {
 243                 my $date = date_of_page($page);
 244                 if (defined $date->{hour}) {
 245                         push @hour_events, {page=>$page, date=>$date};
 246                  }
 247                 else {
 248                         push @day_events, {page=>$page, date=>$date};
 249                  }
 250          }
 251         return
 252          map {event_of_page($_->{page}, $_->{date}, %params)}
 253          ( (sort {lc IkiWiki::basename($a->{page}) cmp lc IkiWiki::basename($b->{page})} @day_events)
 254          , (sort {
 255                 my $r = $a->{date}->{hour} cmp $b->{date}->{hour};
 256                 if ($r) { $r }
 257                 else { IkiWiki::basename($a->{page}) cmp IkiWiki::basename($b->{page}) }
 258          } @hour_events) );
 259  }
 260 sub event_html ($$%) {
 261         my ($date, $format, %params) = @_;
 262         my $day   = sprintf("%02d", $date->day());
 263         my $month = sprintf("%02d", $date->month());
 264         my $year_html = $date->year();
 265         my $month_html
 266          = $format->{month_name}
 267          ? $date->month_name()
 268          : $month;
 269         my $day_html
 270          = $format->{day_name}
 271          ? $date->day_name()." ".$date->day()
 272          : $format->{day_abbr}
 273          ? $date->day_abbr()." ".$date->day()
 274          : $date->day();
 275         my $wday_class
 276          = "wday-".($date->day_of_week() - 1)
 277          . ( ($date->year()    == $now->year()
 278                         and $date->month() == $now->month()
 279                         and $date->day()   == $now->day())
 280                  ? " today"
 281                  : "" );
 282         my $new_html = "";
 283         if (not defined $params{new} or $params{new} ne 'no') {
 284                 if ($format->{year}) {
 285                         my $year_page
 286                          = sprintf
 287                          ( '%s/%d'
 288                          , $params{base}
 289                          , $date->year()
 290                          );
 291                         add_depends($params{page}, $year_page, deptype("presence"));
 292                         if ($pagesources{$year_page}) {
 293                                 $year_html
 294                                  = htmllink
 295                                  ( $params{page}
 296                                  , $params{destpage}
 297                                  , $year_page
 298                                  , linktext => $year_html
 299                                  , noimageinline => 1 );
 300                          }
 301                  }
 302                 if ($format->{month}) {
 303                         my $month_page
 304                          = sprintf
 305                          ( '%s/%d/%02d'
 306                          , $params{base}
 307                          , $date->year()
 308                          , $date->month()
 309                          );
 310                         add_depends($params{page}, $month_page, deptype("presence"));
 311                         if ($pagesources{$month_page}) {
 312                                 $month_html
 313                                  = htmllink
 314                                  ( $params{page}
 315                                  , $params{destpage}
 316                                  , $month_page
 317                                  , linktext => $month_html
 318                                  , noimageinline => 1 );
 319                          }
 320                  }
 321                 if ($format->{day}) {
 322                         my $day_page
 323                          = sprintf
 324                          ( '%s/%d/%02d/%02d'
 325                          , $params{base}
 326                          , $date->year()
 327                          , $date->month()
 328                          , $date->day()
 329                          );
 330                         add_depends($params{page}, $day_page, deptype("presence"));
 331                         if ($pagesources{$day_page}) {
 332                                 $day_html
 333                                  = htmllink
 334                                  ( $params{page}
 335                                  , $params{destpage}
 336                                  , $day_page
 337                                  , linktext => $day_html
 338                                  , noimageinline => 1 );
 339                          }
 340                  }
 341                 unless ($params{nonew} or not $format->{new}) {
 342                         $new_html
 343                          .= qq{<a class='new' href='}
 344                          . IkiWiki::cgiurl
 345                                  ( base  => $params{base}
 346                                  , ($date->day()
 347                                          ?(day => $day):())
 348                                  , (($date->month() or $date->day())
 349                                          ?(month => $month):())
 350                                  , (($date->year() or $date->month() or $date->day())
 351                                          ?(year => $date->year()):())
 352                                  , do    => 'newevent'
 353                                  , page  => $params{destpage}
 354                                  )
 355                          . qq{' rel='nofollow'>+</a>};
 356                  }
 357          }
 358         return
 359          { new   => $new_html
 360          , day   => $day_html
 361          , month => $month_html
 362          , year  => $year_html
 363          , wday  => $wday_class
 364          };
 365  }
 366 sub preprocess_day (@) {
 367         my %params = @_;
 368         my @pages
 369          = pagespec_match_list
 370          ( $params{page}
 371          , $params{pages}
 372          , deptype => deptype("presence")
 373                 # NOTE: add presence dependencies to update calendar when pages are added/removed
 374          );
 375         my $event_html
 376          = event_html
 377          ( $params{focus}
 378          , {day=>1, day_name=>1, new => 1}
 379          , %params );
 380         my @events
 381          = map {
 382                 my @tags
 383                  = map {"<li\n class='".$_->{class}."'>".$_->{link}."</li>"}
 384                  @{$_->{tags}};
 385                 "<ul\n class='events'><li class='event event-$_->{base}'>"
 386                  . "<span class='head'>"
 387                                  . (defined $_->{hour} ? "<span class='hour'>$_->{hour}</span>" : "")
 388                          . "<span class='link'>$_->{link}</span>"
 389                  . "</span>"
 390                  . "<ul\n class='tags'>".join("", @tags)."</ul>"
 391                  . "</li></ul>"
 392          }
 393          events_of_pages(\@pages, %params);
 394         return
 395          "<table\n class='wday'>"
 396          . "<thead><tr><th><span\n class='head'><span\n class='day'>"
 397                          . $event_html->{day}
 398                          . $event_html->{new}
 399                  . "</span></span></th></tr></thead>"
 400          . "<tbody><tr><td\n class='wday $event_html->{wday}'>"
 401                  . join("", @events)
 402                  . "</td></tr></tbody>"
 403          . "</table>";
 404  }
 405 sub preprocess_month (@) {
 406         my %params = @_;
 407         my $one_day = DateTime::Duration->new(days => 1, end_of_month => 'limit');
 408         my $day = $params{focus}->clone->set_day(1);
 409         my $last_day
 410           = DateTime->last_day_of_month
 411          ( year  => $params{focus}->year()
 412          , month => $params{focus}->month() )->day();
 413
 414         my @pages
 415          = pagespec_match_list
 416          ( $params{page}
 417          , $params{pages}
 418          , deptype => deptype("presence")
 419                 # NOTE: add presence dependencies to update calendar when pages are added/removed
 420          );
 421
 422         my %events_by_day = map {($_=>[])} (1 .. $last_day);
 423         foreach my $event (events_of_pages(\@pages, %params)) {
 424                 push @{$events_by_day{$event->{date}->{day}}}, $event;
 425          }
 426
 427         my $t='<tr>';
 428         my $first_wday = $day->clone();
 429         my $last_wday  = ($params{week_start_day} + 6) % 7;
 430         while ($first_wday->day_of_week() - 1 != $params{week_start_day}) {
 431          # NOTE: pad the begining
 432                 $first_wday->subtract_duration($one_day);
 433                 $t.="<td class='no-wday'></td>";
 434          }
 435         my $month = $day->month();
 436         for (; $day->month() == $month; $day->add_duration($one_day)) {
 437                 my $event_html
 438                  = event_html
 439                  ( $day
 440                  , {day=>1, day_abbr=>1, new => 1}
 441                  , %params );
 442                 $t.= "<td class='wday $event_html->{wday}'>";
 443                 my @events
 444                  = map {
 445                         my @tags
 446                          = map {"<li\n class='".$_->{class}."'>".$_->{link}."</li>"}
 447                          @{$_->{tags}};
 448                         "<li\n class='event event-$_->{base}'>"
 449                          . "<span class='head'>"
 450                                  . (defined $_->{hour} ? "<span class='hour'>$_->{hour}</span>" : "")
 451                                  . "<span class='link'>$_->{link}</span>"
 452                          . "</span>"
 453                          . "<ul class='tags'>".join("", @tags)."</ul>"
 454                          . "</li>\n"
 455                  }
 456                  @{$events_by_day{sprintf('%02d',$day->day())}};
 457                 $t .=
 458                  "<span class='head'>"
 459                          . "<span class='day'>"
 460                                  . $event_html->{day}
 461                                  . $event_html->{new}
 462                          . "</span>"
 463                  . "</span>"
 464                  . "<ul class='events'>".join("", @events)."</ul>";
 465                 $t.='</td>';
 466                 if ($day->day_of_week() - 1 == $last_wday) {
 467                         $t.="</tr>";
 468                         $t.="<tr>"
 469                                 if ($day->day_of_month() < $last_day);
 470                  }
 471          }
 472         while ($day->day_of_week() - 1 != $params{week_start_day}) {
 473          # NOTE: pad the end
 474                 $day->add_duration($one_day);
 475                 $t.="<td class='no-wday'></td>";
 476          }
 477         $t.='</tr>';
 478         my $event_html
 479          = event_html
 480          ( $params{focus}
 481          , {year=>1, month=>1, month_name=>1}
 482          , %params );
 483         return
 484          "<table class='month'>"
 485          . "<thead>"
 486                  . "<tr>"
 487                  . "<th colspan='7'>"
 488                  . "<span class='month'>$event_html->{month}</span>"
 489                  . " <span class='year'>$event_html->{year}</span>"
 490                  . "</th>"
 491                  . "</tr>"
 492                  . "<tr>"
 493                  . join ("", map {
 494                         $_ = "<th><span>".$first_wday->day_name()."</span></th>";
 495                         $first_wday->add_duration($one_day);
 496                         $_ } (1..7))
 497                  . "</tr>"
 498          . "</thead>"
 499          . "<tbody>$t</tbody></table>";
 500  }
 501 sub preprocess (@) {
 502         my %params = @_;
 503         $params{focus} = $now->clone;
 504         $params{focus}->set_hour(0);
 505         $params{focus}->set_minute(0);
 506         $params{focus}->set_second(0);
 507         $params{focus}->set_nanosecond(0);
 508
 509         $params{pages} = "*"        unless defined $params{pages};
 510         $params{type}  = "month"    unless defined $params{type};
 511         $params{week_start_day} = 0 unless defined $params{week_start_day};
 512         $params{week_start_day} = $params{week_start_day} % 7;
 513
 514         unless (defined $params{base}) {
 515                 $params{base}
 516                  = defined $config{events_base}
 517                  ? $config{events_base}
 518                  : gettext('Agenda');
 519          }
 520
 521         my %focus_set;
 522         if (defined $params{day} and $params{day} =~ m/^(\d+)$/) {
 523                 my ($day) = ($1);
 524                 $focus_set{day} = $day;
 525          }
 526         if (defined $params{month} and $params{month} =~ m/^(\d+)$/) {
 527                 my ($month) = ($1);
 528                 $focus_set{month} = $month;
 529          }
 530         if (defined $params{year} and $params{year} =~ m/^(\d+)$/) {
 531                 my ($year) = ($1);
 532                 $focus_set{year} = $year;
 533          }
 534         $params{focus}->set(%focus_set);
 535
 536         if (defined $params{day} and $params{day} =~ m/^([+-])(\d+)$/) {
 537                 my ($sign, $days) = ($1, $2);
 538                 my $duration = DateTime::Duration->new(days => $days, end_of_month => 'limit');
 539                 $params{focus}
 540                  = $sign eq '+'
 541                  ? $params{focus}->add_duration($duration)
 542                  : $params{focus}->subtract_duration($duration);
 543          }
 544         if (defined $params{month} and $params{month} =~ m/^([+-])(\d+)$/) {
 545                 my ($sign, $months) = ($1, $2);
 546                 my $duration = DateTime::Duration->new(months => $months, end_of_month => 'limit');
 547                 $params{focus}
 548                  = $sign eq '+'
 549                  ? $params{focus}->add_duration($duration)
 550                  : $params{focus}->subtract_duration($duration);
 551          }
 552         if (defined $params{year} and $params{year} =~ m/^([+-])(\d+)$/) {
 553                 my ($sign, $years) = ($1, $2);
 554                 my $duration = DateTime::Duration->new(years => $years, end_of_month => 'limit');
 555                 $params{focus}
 556                  = $sign eq '+'
 557                  ? $params{focus}->add_duration($duration)
 558                  : $params{focus}->subtract_duration($duration);
 559          }
 560
 561         #debug("events: focus=".$params{focus}->strftime('%Y-%m-%d_%H-%M-%S'));
 562         $params{pages} =~ s[%Y][$params{focus}->year()]eg;
 563         $params{pages} =~ s[%m][sprintf('%02d', $params{focus}->month())]eg;
 564         $params{pages} =~ s[%d][sprintf('%02d', $params{focus}->day())]eg;
 565
 566         set_next_rendering(%params);
 567
 568         my $calendar = "";
 569         if ($params{type} eq 'month') {
 570                 $calendar = preprocess_month(%params);
 571          }
 572         elsif ($params{type} eq 'day') {
 573                 $calendar = preprocess_day(%params);
 574          }
 575
 576         return "<div class='calendar'>$calendar</div>";
 577  }
 578
 579 # new
 580 sub tmpl ($$) {
 581         my ($base, $model) = @_;
 582         my $page = $base.'/'.'templates/'.$model;
 583         my $file = defined srcfile($page, 1) ? '/'.$page : $model;
 584         return template($file);
 585  }
 586 sub date_of_form ($$;%) {
 587         my ($form, $prefix, %default) = @_;
 588         %default =
 589          ( year   => 0
 590          , month  => 1
 591          , day    => 1
 592          , hour   => 0
 593          , minute => 0
 594          , %default
 595          );
 596         my $date;
 597         eval { $date = DateTime->new
 598          ( year       => ($form->field($prefix.'_year')   ne '' ? $form->field($prefix.'_year')                : $default{year})
 599          , month      => ($form->field($prefix.'_month')  ne '' ? substr($form->field($prefix.'_month'), 0, 2) : $default{month})
 600          , day        => ($form->field($prefix.'_day')    ne '' ? $form->field($prefix.'_day')                 : $default{day})
 601          , hour       => ($form->field($prefix.'_hour')   ne '' ? $form->field($prefix.'_hour')                : $default{hour})
 602          , minute     => ($form->field($prefix.'_minute') ne '' ? $form->field($prefix.'_minute')              : $default{minute})
 603          , second     => 0
 604          , nanosecond => 0
 605          , time_zone  => 'local'
 606          , locale     => $config{locale}
 607          )->set_time_zone('floating') };
 608         return $date;
 609  };
 610 sub duration_of_form ($$) {
 611         my ($form, $prefix) = @_;
 612         my $dur;
 613         eval { $dur = DateTime::Duration->new
 614          ( years        => $form->field($prefix.'_year')
 615          , months       => $form->field($prefix.'_month')
 616          , days         => $form->field($prefix.'_day')
 617          , weeks        => $form->field($prefix.'_week')
 618          , hours        => $form->field($prefix.'_hour')
 619          , minutes      => $form->field($prefix.'_minute')
 620          , seconds      => 0
 621          , nanoseconds  => 0
 622          , end_of_month => 'limit'
 623          ) };
 624         return $dur;
 625  };
 626 sub page_of_event ($$$$$) {
 627         my ($form, $from_date, $to_date, $name, $base) = @_;
 628         my $time = '';
 629         if ($form->field('from_hour')   ne ''
 630         or  $form->field('from_minute') ne '') {
 631                 if ($from_date->hour() == $to_date->hour()
 632                  and $from_date->minute() == $to_date->minute()) {
 633                         $time = sprintf('%02dh%02d', $from_date->hour(), $from_date->minute());
 634                  }
 635                 else {
 636                         $time = sprintf('%02dh%02d-%02dh%02d'
 637                          , $from_date->hour(), $from_date->minute()
 638                          , $to_date->hour(), $to_date->minute());
 639                  }
 640          }
 641         return
 642          ( $base
 643          . ($base?'/':'').$from_date->year()
 644          . '/'.sprintf('%02d', $from_date->month())
 645          . '/'.sprintf('%02d', $from_date->day())
 646          . '/'. ($time ne '' ? $time . '/' : '')
 647          . $name
 648          );
 649  }
 650 sub check_cannewevent ($$$$) {
 651         my $dest=shift;
 652         my $destfile=shift;
 653         my $cgi=shift;
 654         my $session=shift;
 655
 656         # Must be a legal filename.
 657         if (IkiWiki::file_pruned($destfile)) {
 658                 error(sprintf(gettext("illegal name")));
 659          }
 660         # Must not be a known source file.
 661         if (exists $pagesources{$dest}) {
 662                 error(sprintf(gettext("%s already exists"),
 663                         htmllink("", "", $dest
 664                          , linktext => $dest
 665                          , noimageinline => 1)));
 666          }
 667         # Must not exist on disk already.
 668         if (-l "$config{srcdir}/$destfile" || -e _) {
 669                 error(sprintf(gettext("%s already exists on disk"), $destfile));
 670          }
 671
 672         # Must be editable.
 673         IkiWiki::check_canedit($dest, $cgi, $session);
 674
 675         my $can_newevent;
 676         IkiWiki::run_hooks(can_newevent => sub {
 677                 return if defined $can_newevent;
 678                 my $ret=shift->(cgi => $cgi, session => $session, dest => $dest, destfile => $destfile);
 679                 if (defined $ret) {
 680                         if ($ret eq "") {
 681                                 $can_newevent=1;
 682                          }
 683                         elsif (ref $ret eq 'CODE') {
 684                                 $ret->();
 685                                 $can_newevent=0;
 686                          }
 687                         elsif (defined $ret) {
 688                                 error($ret);
 689                                 $can_newevent=0;
 690                          }
 691                  }
 692          });
 693         return defined $can_newevent ? $can_newevent : 1;
 694  }
 695 sub post_newevent ($$$) {
 696         my $cgi=shift;
 697         my $session=shift;
 698         my $dest=shift;
 699
 700         IkiWiki::redirect($cgi, urlto($dest));
 701         exit;
 702  }
 703 sub newevent_hook {
 704         my %params  = @_;
 705         my @events  = @{$params{events}};
 706         my %done    = %{$params{done}};
 707         my $cgi     = $params{cgi};
 708         my $session = $params{session};
 709         return ()
 710                 unless @events;
 711         my @next;
 712         foreach my $event (@events) {
 713                 unless (exists $done{$event->{page}} && $done{$event->{file}}) {
 714                         IkiWiki::run_hooks(newevent => sub {
 715                                 push @next, shift->
 716                                  ( cgi     => $cgi
 717                                  , event   => $event
 718                                  , session => $session
 719                                  );
 720                          });
 721                         $done{$event->{page}} = 1;
 722                  }
 723          }
 724         push @events, newevent_hook
 725          ( cgi     => $cgi
 726          , done    => \%done
 727          , events  => \@next
 728          , session => $session
 729          );
 730         my %seen; # NOTE: insure unicity
 731         return grep { ! $seen{$_->{page}}++ } @events;
 732  }
 733 sub preview($$$$$) {
 734         my ($cgi, $session, $form, $events, $months) = @_;
 735         $form->tmpl_param(year   => gettext("year"));
 736         $form->tmpl_param(month  => gettext("month"));
 737         $form->tmpl_param(day    => gettext("day"));
 738         $form->tmpl_param(hour   => gettext("hour"));
 739         $form->tmpl_param(min    => gettext("min"));
 740         $form->tmpl_param(dow    => gettext("day of week"));
 741         $form->tmpl_param(page   => gettext("page"));
 742         $form->tmpl_param(events => [
 743                 map {
 744                         { from_year      => $_->{from}->year()
 745                         , from_month     => sprintf('%02d', $_->{from}->month())
 746                         , from_monthname => $months->{$_->{from}->month()}
 747                         , from_day       => sprintf('%02d', $_->{from}->day())
 748                         , from_hour      => sprintf('%02d', $_->{from}->hour())
 749                         , from_minute    => sprintf('%02d', $_->{from}->minute())
 750                         , from_dow       => $_->{from}->dow()
 751                         , from_downame   => $_->{from}->day_name()
 752                         , to_year        => $_->{to}->year()
 753                         , to_month       => sprintf('%02d', $_->{to}->month())
 754                         , to_monthname   => $months->{$_->{to}->month()}
 755                         , to_day         => sprintf('%02d', $_->{to}->day())
 756                         , to_hour        => sprintf('%02d', $_->{to}->hour())
 757                         , to_minute      => sprintf('%02d', $_->{to}->minute())
 758                         , to_dow         => $_->{to}->dow()
 759                         , page           =>
 760                                 htmllink("", "", $_->{page}
 761                                  , linktext => $_->{page}
 762                                  , noimageinline => 1)
 763                         }
 764                  } @$events
 765          ]);
 766         if (@$events > 0) {
 767                 my $page = @$events[0];
 768                 # FROM: editpage.pm
 769                 my $new = not exists $pagesources{$page};
 770                 # temporarily record its type
 771                 my $type = $config{default_pageext};
 772                 $pagesources{$page} = $page.".".$type if $new;
 773                 my %wasrendered = map { $_ => 1 } @{$renderedfiles{$page}};
 774                 my $content = @$events[0]->{content};
 775
 776                 IkiWiki::run_hooks(editcontent => sub {
 777                         $content = shift->
 778                          ( cgi     => $cgi
 779                          , content => $content
 780                          , page    => $page
 781                          , session => $session
 782                          );
 783                  });
 784                 my $preview = IkiWiki::htmlize($page, $page, $type,
 785                         IkiWiki::linkify($page, $page,
 786                         IkiWiki::preprocess($page, $page,
 787                         IkiWiki::filter($page, $page, $content), 0, 1)));
 788                 IkiWiki::run_hooks(format => sub {
 789                         $preview = shift->
 790                          ( content => $preview
 791                          , page    => $page
 792                          );
 793                  });
 794                 $form->tmpl_param("preview", $preview);
 795
 796                 # Previewing may have created files on disk.
 797                 # Keep a list of these to be deleted later.
 798                 my %previews = map { $_ => 1 } @{$wikistate{editpage}{previews}};
 799                 foreach my $f (@{$renderedfiles{$page}}) {
 800                         $previews{$f} = 1 unless $wasrendered{$f};
 801                  }
 802
 803                 # Throw out any other state changes made during previewing,
 804                 # and save the previews list.
 805                 IkiWiki::loadindex();
 806                 @{$wikistate{editpage}{previews}} = keys %previews;
 807                 IkiWiki::saveindex();
 808          }
 809         else {
 810                 $form->tmpl_param("preview", gettext("No event"));
 811          }
 812  }
 813 sub create ($$$$$) {
 814         my ($event, $cgi, $session, $months, $base) = @_;
 815         check_cannewevent
 816          ( $event->{page}
 817          , $event->{file}
 818          , $cgi
 819          , $session
 820          );
 821         my $pageext = $config{default_pageext};
 822
 823         $config{cgi} = 0; # NOTE: avoid CGI error message
 824         eval { writefile($event->{file}, $config{srcdir}, $event->{content}) };
 825         if ($config{rcs}) {
 826                 IkiWiki::rcs_add($event->{file});
 827          }
 828         # month page
 829                 my $monthpage =
 830                  ( $base
 831                  . ($base?'/':'').$event->{from}->year()
 832                  . '/'.sprintf('%02d', $event->{from}->month())
 833                  );
 834                 my $monthfile = IkiWiki::newpagefile($monthpage, $pageext);
 835                 if (not exists $pagesources{$monthpage}
 836                  and not -l $config{srcdir}.'/'.$monthfile
 837                  and not -e _) {
 838                         my $tmpl_neweventmonth = tmpl($base, 'neweventmonth.tmpl');
 839                         $tmpl_neweventmonth->param(base      => $base);
 840                         $tmpl_neweventmonth->param(year      => $event->{from}->year());
 841                         $tmpl_neweventmonth->param(month     => sprintf('%02d', $event->{from}->month()));
 842                         $tmpl_neweventmonth->param(monthname => $months->{$event->{from}->month()});
 843                         my $content = $tmpl_neweventmonth->output();
 844                         eval { writefile($monthfile, $config{srcdir}, $content) };
 845                         if ($config{rcs}) {
 846                                 IkiWiki::rcs_add($monthfile);
 847                          }
 848                  }
 849         # day page
 850                 my $daypage =
 851                  ( $monthpage
 852                  . '/'.sprintf('%02d', $event->{from}->day())
 853                  );
 854                 my $dayfile = IkiWiki::newpagefile($daypage, $pageext);
 855                 if (not exists $pagesources{$daypage}
 856                  and not -l $config{srcdir}.'/'.$dayfile
 857                  and not -e _) {
 858                         my $tmpl_neweventday = tmpl($base, 'neweventday.tmpl');
 859                         $tmpl_neweventday->param(base      => $base);
 860                         $tmpl_neweventday->param(year      => $event->{from}->year());
 861                         $tmpl_neweventday->param(month     => sprintf('%02d', $event->{from}->month()));
 862                         $tmpl_neweventday->param(monthname => $months->{$event->{from}->month()});
 863                         $tmpl_neweventday->param(day       => sprintf('%02d', $event->{from}->day()));
 864                         $tmpl_neweventday->param(dayname   => $event->{from}->day_name());
 865                         my $content = $tmpl_neweventday->output();
 866                         eval { writefile($dayfile, $config{srcdir}, $content) };
 867                         if ($config{rcs}) {
 868                                 IkiWiki::rcs_add($dayfile);
 869                          }
 870                  }
 871         $config{cgi} = 1;
 872  }
 873 sub sessioncgi ($$) {
 874         my ($cgi, $session) = @_;
 875         if (defined $cgi->param('do') && $cgi->param('do') eq "newevent") {
 876                 # TOTRY: decode_cgi_utf8($cgi);
 877                 my $base = Encode::decode_utf8(URI::Escape::uri_unescape(IkiWiki::possibly_foolish_untaint($cgi->param('base'))));
 878                 &IkiWiki::check_canedit($base, $cgi, $session);
 879                 my $page = Encode::decode_utf8(URI::Escape::uri_unescape(IkiWiki::possibly_foolish_untaint($cgi->param('page'))));
 880
 881                 my $now_date = DateTime->now
 882                  ( time_zone => 'local'
 883                  , locale    => $config{locale}
 884                  )->set_time_zone('floating');
 885                 my %dows   = map { ($_ => $now_date->{locale}->day_format_wide->[ $_ ]) } (0..6);
 886                 my %months = map { ($_ => $now_date->{locale}->month_format_wide->[ $_ - 1 ]) } (1..12);
 887                 my $cgi_date;
 888                 eval { $cgi_date = DateTime->new
 889                  ( year       => defined $cgi->param("year")   ? $cgi->param("year")   : $now_date->year()
 890                  , month      => defined $cgi->param("month")  ? $cgi->param("month")  : $now_date->month()
 891                  , day        => defined $cgi->param("day")    ? $cgi->param("day")    : $now_date->day()
 892                  , hour       => defined $cgi->param("hour")   ? $cgi->param("hour")   : $now_date->hour()
 893                  , minute     => defined $cgi->param("minute") ? $cgi->param("minute") : $now_date->minute()
 894                  , second     => 0
 895                  , nanosecond => 0
 896                  , time_zone  => 'local'
 897                  , locale     => $config{locale}
 898                  )->set_time_zone('floating') };
 899                 error(sprintf(gettext("illegal date")))
 900                         unless $cgi_date;
 901
 902                 my @years = ($cgi_date->year() .. $cgi_date->year()+5);
 903                 my $week_start_day
 904                  = (defined $config{week_start_day} and $config{week_start_day} >= 0 and $config{week_start_day} <= 6)
 905                  ?          $config{week_start_day}
 906                  : 1;
 907                 my @dow_order = ($week_start_day .. 6, 0 .. $week_start_day-1);
 908
 909                 my $tags = $typedlinks{$page}{tag};
 910                 my $buttons = [qw{Preview Create}];
 911                 my ($from_date, $to_date, $end_date, $inc_dur);
 912                 my $form = CGI::FormBuilder->new
 913                  ( action => IkiWiki::cgiurl()
 914                  , charset => "utf-8"
 915                  , fields => [qw{
 916                          do base
 917                          from_date from_year from_month from_day from_hour from_minute
 918                          to_date to_year to_month to_day to_hour to_minute
 919                          inc_dur inc_year inc_month inc_week inc_day inc_hour inc_minute
 920                          end_times end_date end_year end_month end_day end_hour end_minute
 921                          dom name content
 922                          }]
 923                  , header => 0
 924                  , javascript => 0
 925                  , messages =>
 926                          {
 927                         #   form_required_text  => 'form_required_text'
 928                         # , form_invalid_text   => 'form_invalid_text'
 929                         # , form_invalid_file   => 'form_invalid_file'
 930                         # , form_invalid_input  => gettext('allowed characters: ').$config{wiki_file_chars}
 931                          form_invalid_select => gettext('invalid selection')
 932                          }
 933                  , method     => 'POST'
 934                  , name       => "newevent"
 935                  , stylesheet => 1
 936                  , params     => $cgi
 937                  , required   => [qw{do base year month day name from_date to_date end_date inc_dur}]
 938                  , submit     => [qw{Preview Create}]
 939                  , title      => gettext("newevent")
 940                  , template   => { template("newevent.tmpl") }
 941                  , validate   =>
 942                          { from_date => { perl => sub {
 943                                         my (undef, $form) = @_;
 944                                         $from_date = date_of_form($form, 'from')
 945                                                 unless defined $from_date;
 946                                         defined $from_date
 947                                  } }
 948                          , to_date   => { perl => sub {
 949                                         my (undef, $form) = @_;
 950                                         $from_date = date_of_form($form, 'from')
 951                                                 unless defined $from_date;
 952                                         if (defined $from_date) {
 953                                                 $to_date = date_of_form($form, 'to'
 954                                                  , year   => $from_date->year()
 955                                                  , month  => $from_date->month()
 956                                                  , day    => $from_date->day()
 957                                                  , hour   => $from_date->hour()
 958                                                  , minute => $from_date->minute());
 959                                                 defined $to_date
 960                                                 and (DateTime->compare($from_date, $to_date) <= 0)
 961                                          }
 962                                         else {return 0;}
 963                                  } }
 964                          , end_date  => { perl => sub {
 965                                         my (undef, $form) = @_;
 966                                         if ( $form->field('end_year')   ne ''
 967                                          or  $form->field('end_month')  ne ''
 968                                          or  $form->field('end_day')    ne '' ) {
 969                                                 $from_date = date_of_form($form, 'from')
 970                                                         unless defined $from_date;
 971                                                 if (defined $from_date) {
 972                                                         $end_date = date_of_form($form, 'end'
 973                                                          , year   => $from_date->year()
 974                                                          , month  => $from_date->month()
 975                                                          , day    => $from_date->day()
 976                                                          , hour   => $from_date->hour()
 977                                                          , minute => $from_date->minute());
 978                                                         (defined $from_date and defined $end_date
 979                                                         and DateTime->compare($from_date, $end_date) <= 0)
 980                                                  }
 981                                                 else {return 0;}
 982                                          }
 983                                         else {
 984                                                 1;
 985                                          }
 986                                  } }
 987                          , name => '/^.+$/'
 988                          , base => '/^.*$/'
 989                          , end_times  => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 990                          , inc_year   => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 991                          , inc_month  => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 992                          , inc_week   => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 993                          , inc_day    => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 994                          , inc_hour   => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 995                          , inc_minute => sub { $_[0] =~ m/^\d+$/ and $_[0] >= 0 }
 996                          , inc_dur    => sub {
 997                                         my (undef, $form) = @_;
 998                                         $inc_dur = duration_of_form($form, 'inc');
 999                                         defined $inc_dur
1000                                         and ($inc_dur->is_positive() or $inc_dur->is_zero());
1001                                  }
1002                          }
1003                  );
1004                 $base = $form->field('base') ? $form->field('base') : $base;
1005                 $form->title(sprintf(gettext("creating new events"), pagetitle(IkiWiki::basename($page))));
1006                 $form->field(name => "do", type => "hidden", value => 'newevent', force => 1);
1007                 $form->field(name => "base", type => "hidden", force => 1 , value => $base);
1008                 $form->field(name => "from_date", type => "hidden", value => '1', force => 1);
1009                 $form->field(name => "to_date", type => "hidden", value => '1', force => 1);
1010                 $form->field(name => "end_date", type => "hidden", value => '1', force => 1);
1011                 $form->field(name => "inc_dur", type => "hidden", value => '1', force => 1);
1012                 $form->field(name => "from_year", type => 'select', value => $cgi_date->year(), options => \@years);
1013                 $form->field(name => "from_month", type => 'select'
1014                  , value => sprintf("%02d", $cgi_date->month()).' - '.$months{$cgi_date->month()}
1015                  , options => [map { sprintf("%02d", $_).' - '.$months{$_} } (1..12)]);
1016                 $form->field(name => "from_day", type => 'select'
1017                  , value => sprintf("%02d", $cgi_date->day())
1018                  , options => \@days);
1019                 $form->field(name => "from_hour", type => 'select', value => '', options => \@hours);
1020                 $form->field(name => "from_minute", type => 'select', value => '', options => \@minutes);
1021                 $form->field(name => "name", type => 'text', size => 60, value => gettext('New event'));
1022                 $form->field(name => "to_year", type => 'select', value => '', options => \@years);
1023                 $form->field(name => "to_month", type => 'select'
1024                  , value => ''
1025                  , options => [map { sprintf("%02d", $_).' - '.$months{$_} } (1..12)]);
1026                 $form->field(name => "to_day", type => 'select'
1027                  , value => ''
1028                  , options => \@days);
1029                 $form->field(name => "to_hour", type => 'select', value => '', options => \@hours);
1030                 $form->field(name => "to_minute", type => 'select', value => '', options => \@minutes);
1031                 $form->field(name => "end_year", type => 'select', value => '', options => \@years);
1032                 $form->field(name => "end_month", type => 'select', value => ''
1033                  , options => [map { sprintf("%02d", $_).' - '.$months{$_} } (1..12)]);
1034                 $form->field(name => "end_day", type => 'select', value => '', options => \@days);
1035                 $form->field(name => "end_hour", type => 'select', value => '', options => \@hours);
1036                 $form->field(name => "end_minute", type => 'select', value => '', options => \@minutes);
1037                 $form->field(name => "end_times", type => 'text', value => '0', size => 2);
1038                 $form->field(name => "inc_year", type => 'text', value => '0', size => 2);
1039                 $form->field(name => "inc_month", type => 'text', value => '0', size => 2);
1040                 $form->field(name => "inc_week", type => 'text', value => '0', size => 2);
1041                 $form->field(name => "inc_day", type => 'text', value => '0', size => 2);
1042                 $form->field(name => "inc_hour", type => 'text', value => '0', size => 2);
1043                 $form->field(name => "inc_minute", type => 'text', value => '0', size => 2);
1044                 my $tmpl_neweventcontent = tmpl($base, 'neweventcontent.tmpl');
1045                 $tmpl_neweventcontent->param(title => gettext('Title of the event'));
1046                 $tmpl_neweventcontent->param(tags => [map {{name => $_}} (sort keys %$tags)]);
1047                 $form->field(name => "content", type => "textarea", size => 30, rows => 20, cols => 80
1048                  , value => $tmpl_neweventcontent->output());
1049                 $form->field(name => "dom", type => 'select', multiple => 1, size => 35
1050                  , options => [map { my $n = $_; map {($n.' '.$dows{$_})} (0..6)} ('1°', '2°', '3°', '4°', '5°')]);
1051
1052                 IkiWiki::decode_form_utf8($form);
1053                 IkiWiki::run_hooks(formbuilder_setup => sub {
1054                         shift->(form => $form, cgi => $cgi, session => $session, buttons => $buttons);
1055                  });
1056                 IkiWiki::decode_form_utf8($form);
1057
1058                 if (($form->submitted eq 'Create' || $form->submitted eq 'Preview') && $form->validate) {
1059                         #IkiWiki::checksessionexpiry($cgi, $session, $cgi->param('sid'));
1060                         $base
1061                          = $form->field('base')
1062                          ? $form->field('base')
1063                          : (defined $config{base} ? $config{base} : gettext('Agenda'));
1064                         my $end_times
1065                          = $form->field('end_times') == 0
1066                          ? undef : $form->field('end_times');
1067                         my $dom;
1068                         foreach ($form->field('dom')) {
1069                                 $dom = {} if not defined $dom;
1070                                 $dom->{$_} = 1;
1071                          }
1072                         my $name = $form->field('name');
1073                         $name = IkiWiki::possibly_foolish_untaint(IkiWiki::titlepage($name));
1074                                 # NOTE: these untaints are safe because of the checks
1075                                 #       performed in check_cannewevent later.
1076                         my $content = $form->field('content');
1077                         $content =~ s/\r\n/\n/gs;
1078                         $content =~ s/\n$//s;
1079
1080                         # Queue of event creations to perfom.
1081                         my @events = ();
1082                         my $events_try = 0;
1083                         my $events_max
1084                          = defined $config{newevent_max_per_commit}
1085                          ? $config{newevent_max_per_commit} : (2 * 365) ;
1086                         my $pageext = $config{default_pageext};
1087                         while (++$events_try <= $events_max
1088                          and (not defined $end_times or --$end_times >= 0)
1089                          and (not defined $end_date or DateTime->compare($from_date, $end_date) <= 0)) {
1090                                 my $dest = page_of_event($form, $from_date, $to_date, $name, $base);
1091                                 my $week = $from_date->weekday_of_month();
1092                                 my $day = $now_date->{locale}->day_format_wide->[$from_date->day_of_week()-1];
1093                                 if (not defined $dom or exists $dom->{"$week° $day"}) {
1094                                         push @events,
1095                                          { page => $dest
1096                                          , file => IkiWiki::newpagefile($dest, $pageext)
1097                                          , from => $from_date
1098                                          , to   => $to_date
1099                                          , name => $name
1100                                          };
1101                                  }
1102                                 last unless defined $inc_dur and $inc_dur->is_positive();
1103                                 $from_date = $from_date->clone->add_duration($inc_dur);
1104                                 $to_date   = $to_date->clone->add_duration($inc_dur);
1105                          }
1106                         error("events try per commit overflow: $events_max")
1107                                 unless $events_try <= $events_max;
1108                         my $tmpl_neweventpage = tmpl($base, 'neweventpage.tmpl');
1109                         my $i = 0;
1110                         foreach (@events) {
1111                                 $tmpl_neweventpage->clear_params();
1112                                 $tmpl_neweventpage->param(content => $content);
1113                                 $tmpl_neweventpage->param(page => $_->{page});
1114                                 $tmpl_neweventpage->param(event => $i);
1115                                 $tmpl_neweventpage->param("event_first" => 1)
1116                                         if $i == 0;
1117                                 $tmpl_neweventpage->param("event_last" => 1)
1118                                         if $i == @events - 1;
1119                                 $tmpl_neweventpage->param(events => \@events);
1120                                 $tmpl_neweventpage->param(from_date => "$_->{from}");
1121                                 $tmpl_neweventpage->param(name => $_->{name});
1122                                 $tmpl_neweventpage->param(to_date => "$_->{to}");
1123                                 $_->{content} = $tmpl_neweventpage->output();
1124                                 $i++;
1125                          }
1126                         if ($form->submitted eq 'Create') {
1127                                 @events = newevent_hook
1128                                  ( cgi     => $cgi
1129                                  , done    => {}
1130                                  , events  => \@events
1131                                  , session => $session
1132                                  );
1133                                 require IkiWiki::Render;
1134                                 if ($config{rcs}) {
1135                                         IkiWiki::disable_commit_hook()
1136                                  }
1137                                 foreach my $event (@events) {
1138                                         create($event, $cgi, $session, \%months, $base);
1139                                  }
1140                                 if ($config{rcs}) {
1141                                         IkiWiki::rcs_commit_staged
1142                                          ( message => sprintf(gettext("new event"))
1143                                          , session => $session );
1144                                         IkiWiki::enable_commit_hook();
1145                                         IkiWiki::rcs_update();
1146                                  }
1147                                 IkiWiki::refresh();
1148                                 IkiWiki::saveindex();
1149
1150                                 post_newevent($cgi, $session, (defined $events[0] ? $events[0]->{page} : ''));
1151                          }
1152                         elsif ($form->submitted eq 'Preview') {
1153                                 preview($cgi, $session, $form, \@events, \%months);
1154                                 IkiWiki::showform($form, $buttons, $session, $cgi);
1155                          }
1156                  }
1157                 else {
1158                         IkiWiki::showform($form, $buttons, $session, $cgi);
1159                  }
1160
1161                 exit 0;
1162          }
1163  }
1164
1165 1;