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%# REST/1.0/Forms/ticket/comment
%#
<%ARGS>
$id
%changes
</%ARGS> 
<%INIT>
use MIME::Entity;
use RT::Interface::REST;

$RT::Logger->debug("Got ticket id=$id for comment");
$RT::Logger->debug("Got args @{[keys(%changes)]}.");

my $ticket = RT::Ticket->new($session{CurrentUser});
my ($c, $o, $k, $e) = ("", [], {}, 0);

# http://.../REST/1.0/ticket/1/comment
$ticket->Load($id);
if (!$ticket->Id) {
    $e = 1;
    $c = "# Ticket $id does not exist.";
    goto OUTPUT;
}

my $action;
($action = $changes{Action}) =~ s/^(.)(.*)$/\U$1\L$2\E/;
unless ($action =~ /^(?:Comment|Correspond)$/) {
    $e = 1;
    $c = "# Invalid action: `$action'.";
    goto OUTPUT;
}

my $text = $changes{Text};
my @atts = @{ vsplit($changes{Attachment}) };

if (!$changes{Text} && @atts == 0) {
    $e = 1;
    $c = "# Empty comment with no attachments submitted.";
    goto OUTPUT;
}

my $ent = MIME::Entity->build(
    Type => "multipart/mixed",
    'X-RT-Interface' => 'REST',
);
$ent->attach(
    Type    => $changes{'Content-Type'} || 'text/plain',
    Charset => "UTF-8",
    Data    => Encode::encode("UTF-8", $changes{Text} ),
) if $changes{Text};


{
    my ($status, $msg) = process_attachments($ent, @atts);
    unless ( $status ) {
        $e = 1;
        $c = "# $msg";
        goto OUTPUT;
    }
}

unless ($ticket->CurrentUserHasRight('ModifyTicket') ||
        ($action eq "Comment" &&
         $ticket->CurrentUserHasRight("CommentOnTicket")) ||
        ($action eq "Correspond" &&
         $ticket->CurrentUserHasRight("ReplyToTicket")))
{
    $e = 1;
    $c = "# You are not allowed to $action on ticket $id.";
    goto OUTPUT;
}

my $cc = join ", ", @{ vsplit($changes{Cc}) };
my $bcc = join ", ", @{ vsplit($changes{Bcc}) };
my ($n, $s) = $ticket->$action(MIMEObj => $ent,
                               CcMessageTo => $cc,
                               BccMessageTo => $bcc,
                               TimeTaken => $changes{TimeWorked} || 0);
$c = "# ".$s;
if ($changes{Status}) {
   my  ($status_n, $status_s) = $ticket->SetStatus($changes{'Status'} );   
  $c .= "\n# ".$status_s;
}

OUTPUT:

return [ $c, $o, $k, $e ];
</%INIT>