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<?php
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/**
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* @file
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* Definition of views_handler_filter_history_user_timestamp.
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*/
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/**
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* Filter for new content.
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*
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* The handler is named history_user, because of compability reasons, the table
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* is history.
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*
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* @ingroup views_filter_handlers
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*/
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class views_handler_filter_history_user_timestamp extends views_handler_filter {
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/**
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* Don't display empty space where the operator would be.
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*/
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public $no_operator = TRUE;
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/**
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* {@inheritdoc}
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*/
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public function expose_form(&$form, &$form_state) {
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parent::expose_form($form, $form_state);
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// @todo There are better ways of excluding required and multiple (object flags)
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unset($form['expose']['required']);
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unset($form['expose']['multiple']);
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unset($form['expose']['remember']);
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}
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/**
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* {@inheritdoc}
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*/
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public function value_form(&$form, &$form_state) {
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// Only present a checkbox for the exposed filter itself. There's no way
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// to tell the difference between not checked and the default value, so
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// specifying the default value via the views UI is meaningless.
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if (!empty($form_state['exposed'])) {
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if (isset($this->options['expose']['label'])) {
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$label = $this->options['expose']['label'];
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}
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else {
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$label = t('Has new content');
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}
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$form['value'] = array(
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'#type' => 'checkbox',
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'#title' => $label,
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'#default_value' => $this->value,
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);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function query() {
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global $user;
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// This can only work if we're logged in.
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if (!$user || !$user->uid) {
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return;
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}
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// Don't filter if we're exposed and the checkbox isn't selected.
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if ((!empty($this->options['exposed'])) && empty($this->value)) {
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return;
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}
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// Hey, Drupal kills old history, so nodes that haven't been updated
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// since NODE_NEW_LIMIT are bzzzzzzzt outta here!
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$limit = REQUEST_TIME - NODE_NEW_LIMIT;
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$this->ensure_my_table();
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$field = "$this->table_alias.$this->real_field";
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$node = $this->query->ensure_table('node', $this->relationship);
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$clause = '';
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$clause2 = '';
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if (module_exists('comment')) {
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$ncs = $this->query->ensure_table('node_comment_statistics', $this->relationship);
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$clause = ("OR $ncs.last_comment_timestamp > (***CURRENT_TIME*** - $limit)");
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$clause2 = "OR $field < $ncs.last_comment_timestamp";
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}
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// NULL means a history record doesn't exist. That's clearly new content.
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// Unless it's very very old content. Everything in the query is already
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// type safe cause none of it is coming from outside here.
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$this->query->add_where_expression($this->options['group'], "($field IS NULL AND ($node.changed > (***CURRENT_TIME*** - $limit) $clause)) OR $field < $node.changed $clause2");
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}
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/**
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* {@inheritdoc}
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*/
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public function admin_summary() {
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if (!empty($this->options['exposed'])) {
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return t('exposed');
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}
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}
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}
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