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lib/Chronicle/Plugin/Generate/LowerCase.pm  view on Meta::CPAN

=over 8

=item http://example.com/i_m_mixed_case.html

=back

This plugin will configure a redirection from the former to the latter.

=cut

=head1 METHODS

Now follows documentation on the available methods.

=cut

package Chronicle::Plugin::Generate::LowerCase;


use strict;
use warnings;


our $VERSION = "5.1.7";


=head2 on_generate

The C<on_generate> method is automatically invoked to generate output
pages.  This particular plugin method is invoked I<after> any
C<on_initiate> methods which might be present.

This method is responsible for generating redirections if lower-casing
is being enforced.

=cut

sub on_generate
{
    my ( $self, %args ) = (@_);

    my $dbh    = $args{ 'dbh' };
    my $config = $args{ 'config' };

    #
    #  We're not concerned with anything if lower-casing
    # isn't present
    #
    return unless ( $config->{ 'lower-case' } );


    my $all = $dbh->prepare("SELECT id FROM blog ORDER BY date ASC") or
      die "Failed to find posts";

    my $now = time;

    my @all = ();

    $all->execute() or die "Failed to execute:" . $dbh->errstr();
    my $id;
    $all->bind_columns( undef, \$id );

    #
    # Build up the list of all the post IDs
    #
    # We could build these on-demand, but instead maintain a list
    # such that we can add next_link, next_title, etc, and allow
    # paging through blog-entries.
    #
    while ( $all->fetch() )
    {
        push( @all, $id );
    }



    #
    #  If there is a theme-provided file then use it.
    #
    my $c = Chronicle::load_template("redirect.tmpl");

    #
    #  If not then we're going to use our default, which is
    # contained in the __DATA__ section of this very module.
    #
    if ( !$c )
    {
        my $tmpl = do {local $/; <DATA>};

        #
        #  If there is no template read then something weird has happened
        #
        return unless ( $tmpl && length($tmpl) );

        #
        #  Load the template
        #
        $c = Chronicle::load_template( undef, $tmpl );
    }


    #
    #  At this point we should have one of the two templates loaded,
    # but if not .. we'll just return.
    #
    return unless ($c);



    #
    #  Now we have all the posts we iterate over them in-order.
    #
    for my $index ( 0 .. $#all )
    {
        #
        # The ID of the entry we're processing.
        #
        my $id = $all[$index];

        #
        #  Read the details of the main entry.