Files
oddmuse/modules/drafts.pl
2016-06-22 15:37:04 +02:00

100 lines
3.2 KiB
Perl

# Copyright (C) 2006, 2012 Alex Schroeder <alex@gnu.org>
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
use v5.10;
use File::Glob ':glob';
our ($DraftDir);
AddModuleDescription('drafts.pl', 'Draft Extension');
our ($q, $Message, $Now, %Action, $DataDir, @MyInitVariables, @MyMaintenance, $FooterNote);
$DraftDir = $DataDir."/draft"; # directory for drafts
push(@MyInitVariables, \&DraftInit);
sub DraftInit {
if (GetParam('Draft', '')) {
SetParam('action', 'draft') ; # Draft button used
} elsif (IsFile("$DraftDir/" . GetParam('username', $q->remote_addr())) # draft exists
and $FooterNote !~ /action=draft/) { # take care of mod_perl persistence
$FooterNote = $q->p(ScriptLink('action=draft', T('Recover Draft'))) . $FooterNote;
}
}
$Action{draft} = \&DoDraft;
sub DoDraft {
my $id = shift;
my $draft = $DraftDir . '/' . GetParam('username', $q->remote_addr());
if ($id) {
my $text = GetParam('text', '');
ReportError(T('No text to save'), '400 BAD REQUEST') unless $text;
CreateDir($DraftDir);
WriteStringToFile($draft, EncodePage(text=>$text, id=>$id));
SetParam('msg', T('Draft saved')); # invalidate cache
print GetHttpHeader('', T('Draft saved'), '204 NO CONTENT');
} elsif (IsFile($draft)) {
my $data = ParseData(ReadFileOrDie($draft));
Unlink($draft);
$Message .= $q->p(T('Draft recovered'));
DoEdit($data->{id}, $data->{text}, 1);
} else {
ReportError(T('No draft available to recover'), '404 NOT FOUND');
}
}
# add preview button to edit page (but not to GetCommentForm!)
*DraftOldGetEditForm = \&GetEditForm;
*GetEditForm = \&DraftNewGetEditForm;
sub DraftNewGetEditForm {
my $html = DraftOldGetEditForm(@_);
# assume that the preview button html is the same for two calls
my $draft_button = $q->submit(-name=>'Draft', -value=>T('Save Draft'));
$html =~ s!(<input[^>]*name="Cancel"[^>]*>)!$1 $draft_button!;
return $html;
}
# cleanup
push(@MyMaintenance, \&DraftCleanup);
sub DraftFiles {
return map {
substr($_, length($DraftDir) + 1);
} Glob("$DraftDir/*"), Glob("$DraftDir/.*");
}
sub DraftCleanup {
print '<p>' . T('Draft Cleanup');
foreach my $draft (DraftFiles()) {
next if $draft eq '.' or $draft eq '..';
my $ts = Modified("$DraftDir/$draft");
if ($Now - $ts < 1209600) { # 14*24*60*60
print $q->br(), Tss("%1 was last modified %2 and was kept",
$draft, CalcTimeSince($Now - $ts));
} elsif (Unlink("$DraftDir/$draft")) {
print $q->br(), Tss("%1 was last modified %2 and was deleted",
$draft, CalcTimeSince($Now - $ts));
} else {
print $q->br(), Ts('Unable to delete draft %s', $draft);
}
}
print '</p>';
}