function statistics_ranking

Implements hook_ranking().

File

core/modules/statistics/statistics.module, line 93

Code

function statistics_ranking() {
    if (\Drupal::config('statistics.settings')->get('count_content_views')) {
        return [
            'views' => [
                'title' => t('Number of views'),
                'join' => [
                    'type' => 'LEFT',
                    'table' => 'node_counter',
                    'alias' => 'node_counter',
                    'on' => 'node_counter.nid = i.sid',
                ],
                // Inverse law that maps the highest view count on the site to 1 and 0
                // to 0. Note that the ROUND here is necessary for PostgreSQL and SQLite
                // in order to ensure that the :statistics_scale argument is treated as
                // a numeric type, because the PostgreSQL PDO driver sometimes puts
                // values in as strings instead of numbers in complex expressions like
                // this.
'score' => '2.0 - 2.0 / (1.0 + node_counter.totalcount * (ROUND(:statistics_scale, 4)))',
                'arguments' => [
                    ':statistics_scale' => \Drupal::state()->get('statistics.node_counter_scale', 0),
                ],
            ],
        ];
    }
}