- <?php
- * @file
- * Definition of views_handler_field_node_new_comments.
- */
-
- * Field handler to display the number of new comments.
- *
- * @ingroup views_field_handlers
- */
- class views_handler_field_node_new_comments extends views_handler_field_numeric {
- function init(&$view, &$options) {
- parent::init($view, $options);
-
-
- if (!empty($options['no_empty'])) {
- $this->options['hide_empty'] = TRUE;
- unset($this->options['no_empty']);
- }
- }
-
- function construct() {
- parent::construct();
- $this->additional_fields['nid'] = 'nid';
- $this->additional_fields['type'] = 'type';
- $this->additional_fields['comment_count'] = array('table' => 'node_comment_statistics', 'field' => 'comment_count');
- }
-
- function option_definition() {
- $options = parent::option_definition();
-
- $options['link_to_comment'] = array('default' => TRUE, 'bool' => TRUE);
-
- return $options;
- }
-
- function options_form(&$form, &$form_state) {
- $form['link_to_comment'] = array(
- '#title' => t('Link this field to new comments'),
- '#description' => t("Enable to override this field's links."),
- '#type' => 'checkbox',
- '#default_value' => $this->options['link_to_comment'],
- );
-
- parent::options_form($form, $form_state);
- }
-
- function query() {
- $this->ensure_my_table();
- $this->add_additional_fields();
- $this->field_alias = $this->table . '_' . $this->field;
- }
-
- function pre_render(&$values) {
- global $user;
- if (!$user->uid || empty($values)) {
- return;
- }
-
- $nids = array();
- $ids = array();
- foreach ($values as $id => $result) {
- $nids[] = $result->{$this->aliases['nid']};
- $values[$id]->{$this->field_alias} = 0;
-
- if (empty($ids[$result->{$this->aliases['nid']}])) {
- $ids[$result->{$this->aliases['nid']}] = array();
- }
- $ids[$result->{$this->aliases['nid']}][] = $id;
- }
-
- if ($nids) {
- $result = db_query("SELECT n.nid, COUNT(c.cid) as num_comments FROM {node} n INNER JOIN {comment} c ON n.nid = c.nid
- LEFT JOIN {history} h ON h.nid = n.nid AND h.uid = :h_uid WHERE n.nid IN (:nids)
- AND c.changed > GREATEST(COALESCE(h.timestamp, :timestamp), :timestamp) AND c.status = :status GROUP BY n.nid ", array(
- ':status' => COMMENT_PUBLISHED,
- ':h_uid' => $user->uid,
- ':nids' => $nids,
- ':timestamp' => NODE_NEW_LIMIT,
- ));
-
- foreach ($result as $node) {
- foreach ($ids[$node->nid] as $id) {
- $values[$id]->{$this->field_alias} = $node->num_comments;
- }
- }
- }
- }
-
- function render_link($data, $values) {
- if (!empty($this->options['link_to_comment']) && $data !== NULL && $data !== '') {
- $node = new Node();
- $node->nid = $this->get_value($values, 'nid');
- $node->type = $this->get_value($values, 'type');
- $this->options['alter']['make_link'] = TRUE;
- $this->options['alter']['path'] = 'node/' . $node->nid;
- $this->options['alter']['query'] = comment_new_page_count($this->get_value($values, 'comment_count'), $this->get_value($values), $node);
- $this->options['alter']['fragment'] = 'new';
- }
-
- return $data;
- }
-
- function render($values) {
- $value = $this->get_value($values);
- if (!empty($value)) {
- return $this->render_link(parent::render($values), $values);
- }
- else {
- $this->options['alter']['make_link'] = FALSE;
- }
- }
- }