NAME

Sledge::Plugin::IfModifiedSince - Sledge plugin to control cache by If-Modified-Since header

SYNOPSIS

package Your:Pages;
use Sledge::Plugin::IfModifiedSince;

sub dispatch_foo {
    my $self = shift;

    if ( $self->if_modified_since( time || '/path/to/file' ) ) {

        # set Last-Modified header by epoch time
        $self->set_last_modified( time );

        # or by path to file
        $self->set_last_modified( '/path/to/file' );

        # output content...

    } else {

        $self->not_modified;
        return;

    }


}

DESCRIPTION

Sledge::Plugin::IfModifiedSince is Sledge plugin to control cache by If-Modified-Since header. use this module in your Pages class, then if_modified_since, not_modified and set_last_modified methods are imported in it.

IMPORT METHODS

if_modified_since

# check by epoch time
my $is_modified = $page->if_modified_since($epoch);

# or by mtime
my $is_modified = $page->if_modified_since('/path/to/file');

Compare If-Modified-Since header to passed time.
You can pass epoch time or path to file as argument.

not_modified

$page->not_modified;

Return 304 Not Modified.

set_last_modified

# pass epoch time
$self->set_last_modified( time );

# or pass path to file
$self->set_last_modified( '/path/to/file' );


Set last modified time in Last-Modified header.
You can pass epoch time or path to file as argument.

AUTHOR

Yasuhiro Horiuchi <yasuhiro@hori-uchi.com>