<%shared>
    # Variables declared in the shared section are visible in all of the
    # methods in this Mason component.
    #
    # Split the dhandler args into a year, month, and page numbers.  A request
    # for /magazines/1989/01/01/ would make $year = 1990, $month = 01, and
    # $page = 01.  These are validated in the validate method.  We also store
    # the dhandler args in the @args array to simplify some checking later on.

    my @args = split m|/|, $m->dhandler_arg;

    my ($year, $month, $page) = @args;

    # $full_index is an index of all available issue years, months, and pages--
    # see the build-full-index method for more information.  $issue_info is
    # only populated if a month is requested and that month's magazine issue
    # has been OCRed.

    my $full_index = $m->comp('/comp/magazine-gallery.mas:build-full-index');

    my $issue_info = $m->comp('/comp/magazine-gallery.mas:validate-request',
        full_index => $full_index, args => \@args, year => $year,
        month => $month, page => $page);
</%shared>

<%init>
    # Apache will not set a content type for a dhandler under mod_perl.

    $r->content_type('text/html');

    # If there were no dhandler args, show an index of all years.  If there
    # was one dhandler arg, then a year was requested, so show an index of the
    # months in that year.  If there were two dhandler args, both a year and
    # month were requested, so show an index of the pages of that month's
    # issue.  If there were three dhandler args, a year, month, and page were
    # requested, so show that page.

    if (!scalar @args) {
        $m->comp('/comp/magazine-gallery.mas:index-all',
            full_index => $full_index);
    } elsif (scalar @args == 1) {
        $m->comp('/comp/magazine-gallery.mas:index-year',
            full_index => $full_index, year => $year);
    } elsif (scalar @args == 2) {
        $m->comp('/comp/magazine-gallery.mas:index-month',
            full_index => $full_index, year => $year, month => $month);
    } elsif (scalar @args == 3) {
        $m->comp('/comp/magazine-gallery.mas:page',
            full_index => $full_index, year => $year, month => $month,
            page => $page);
    }
</%init>

<%method page-head>
    <& '/comp/magazine-gallery.mas:page-head',
        args => \@args, year => $year, month => $month, page => $page,
        issue_info => $issue_info &>
</%method>

<%method navigation>
    <& '/comp/magazine-gallery.mas:navigation',
        full_index => $full_index, year => $year, month => $month &>
</%method>

<%attr>
    newsletter_name => 'MAGazine'
    content_root    => '/var/www/memphisamigagroup.net/htdocs/magazines/'
    uri_root        => '/magazines'
    comp_root       => '/magazines'
    width           => 770
    height          => 996
    th_width        => 110
    th_height       => 142
</%attr>