132 lines
3.7 KiB
Perl
132 lines
3.7 KiB
Perl
package GuestbookNg::Model::Message;
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use Mojo::Base -base, -signatures;
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has 'pg';
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sub get_posts($self, $this_page = undef) {
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if ($this_page) {
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my $row_count = $self->{'max_posts'};
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my $offset = ($this_page - 1) * $row_count;
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$self->pg->db->query(<<~'END_SQL', $row_count, $offset)->arrays();
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SELECT TO_CHAR(message_date, 'Dy Mon DD HH:MI:SS AM TZ YYYY'),
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visitor_name,
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message,
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homepage_url,
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message_id
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FROM messages
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WHERE NOT is_spam
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ORDER BY message_date DESC
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LIMIT ? OFFSET ?;
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END_SQL
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}
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else {
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$self->pg->db->query(<<~'END_SQL')->arrays()
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SELECT TO_CHAR(message_date, 'Dy Mon DD HH:MI:SS AM TZ YYYY'),
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visitor_name,
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message,
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homepage_url,
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message_id
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FROM messages
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WHERE NOT is_spam
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ORDER BY message_date DESC;
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END_SQL
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}
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}
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sub get_spam($self, $this_page = undef) {
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if ($this_page) {
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my $row_count = $self->{'max_posts'};
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my $offset = ($this_page - 1) * $row_count;
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$self->pg->db->query(<<~'END_SQL', $row_count, $offset)->arrays();
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SELECT TO_CHAR(message_date, 'Dy Mon DD HH:MI:SS AM TZ YYYY'),
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visitor_name,
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message,
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homepage_url,
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message_id
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FROM messages
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WHERE is_spam
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ORDER BY message_date DESC
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LIMIT ? OFFSET ?;
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END_SQL
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}
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else {
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$self->pg->db->query(<<~'END_SQL')->arrays()
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SELECT TO_CHAR(message_date, 'Dy Mon DD HH:MI:SS AM TZ YYYY'),
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visitor_name,
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message,
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homepage_url,
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message_id
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FROM messages
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WHERE is_spam
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ORDER BY message_date DESC;
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END_SQL
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}
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}
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sub create_post($self, $name, $message, $url = undef, $spam = 1) {
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if ($url) {
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$self->pg->db->query(<<~'END_SQL', $name, $message, $url, $spam)
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INSERT INTO messages (visitor_name, message, homepage_url, is_spam)
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VALUES (?, ?, ?, ?);
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END_SQL
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}
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else {
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$self->pg->db->query(<<~'END_SQL', $name, $message, $spam)
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INSERT INTO messages (visitor_name, message, is_spam)
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VALUES (?, ?, ?);
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END_SQL
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}
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}
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sub max_posts($self, $value = undef) {
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$self->{'max_posts'} = $value // $self->{'max_posts'}
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}
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sub get_last_page($self, $want_spam = undef) {
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my $post_count = $want_spam ? $self->get_spam_count() : $self->get_post_count();
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my $last_page = int($post_count / $self->{'max_posts'});
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# Add a page if we have "remainder" posts
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$post_count % $self->{'max_posts'} ? ++$last_page : $last_page;
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}
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sub get_post_count($self) {
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$self->pg->db->query(<<~'END_SQL')->text()
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SELECT COUNT(*)
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FROM messages
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WHERE NOT is_spam;
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END_SQL
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}
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sub get_spam_count($self) {
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$self->pg->db->query(<<~'END_SQL')->text()
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SELECT COUNT(*)
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FROM messages
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WHERE is_spam;
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END_SQL
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}
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sub get_post_by_id($self, $message_id) {
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$self->pg->db->query(<<~'END_SQL', $message_id)->array()
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SELECT TO_CHAR(message_date, 'Dy Mon DD HH:MI:SS AM TZ YYYY'),
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visitor_name,
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message,
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homepage_url,
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message_id
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FROM messages
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WHERE message_id = ?;
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END_SQL
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}
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sub get_last_message_id($self) {
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$self->pg->db->query(<<~'END_SQL')->text()
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SELECT MAX(message_id)
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FROM messages;
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END_SQL
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}
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1;
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