guestbook-ng/lib/GuestbookNg/Model/Message.pm

84 lines
2.2 KiB
Perl

#!/usr/bin/env perl
package GuestbookNg::Model::Message;
use Mojo::Base -base, -signatures;
has 'pg';
sub new($class, $pg, $pg_object) {
bless {
$pg => $pg_object,
max_posts => 5
}
}
sub get_posts($self, $this_page = undef) {
if ($this_page) {
my $row_count = $self->{'max_posts'};
my $offset = ($this_page - 1) * $row_count;
return $self->pg->db
->query(<<~'END_SQL', $row_count, $offset)->arrays();
SELECT TO_CHAR(message_date, 'Dy Mon DD HH:MI:SS AM TZ YYYY'),
visitor_name,
message,
homepage_url
FROM messages
WHERE NOT is_spam
ORDER BY message_date DESC
LIMIT ? OFFSET ?;
END_SQL
}
else {
return $self->pg->db->query(<<~'END_SQL')->arrays()
SELECT TO_CHAR(message_date, 'Dy Mon DD HH:MI:SS AM TZ YYYY'),
visitor_name,
message,
homepage_url
FROM messages
WHERE NOT is_spam
ORDER BY message_date DESC;
END_SQL
}
}
sub create_post($self, $name, $message, $url = undef, $spam = 1) {
if ($url) {
$self->pg->db->query(<<~'END_SQL', $name, $message, $url, $spam)
INSERT INTO messages (visitor_name, message, homepage_url, is_spam)
VALUES (?, ?, ?, ?);
END_SQL
}
else {
$self->pg->db->query(<<~'END_SQL', $name, $message, $spam)
INSERT INTO messages (visitor_name, message, is_spam)
VALUES (?, ?, ?);
END_SQL
}
return;
}
sub max_posts($self, $value = undef) {
return $self->{'max_posts'} = $value // $self->{'max_posts'}
}
sub get_last_page($self) {
my $post_count = $self->get_post_count();
my $last_page = int($post_count / $self->{'max_posts'});
# Add a page if we have "remainder" posts
return $post_count % $self->{'max_posts'} ? ++$last_page : $last_page;
}
sub get_post_count($self) {
return $self->pg->db->query(<<~'END_SQL')->text()
SELECT COUNT(*)
FROM messages
WHERE NOT is_spam;
END_SQL
}
1;