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<?php
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// $Id: node_expire.module,v 1.8 2009/01/29 21:01:33 brmassa Exp $
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/**
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* @file
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* Set a timer into your content, allowing you to perform customized actions.
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*/
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DEFINE('NODE_EXPIRE_FORMAT', 'Y-m-d');
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DEFINE('NODE_EXPIRE_FORMAT_JS', 'yy-mm-dd');
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/**
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* Implementation of hook_cron().
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*/
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function node_expire_cron() {
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if ($query = db_query('SELECT n.nid FROM {node} n
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JOIN {node_expire} ne ON n.nid = ne.nid
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WHERE ne.expired = 0 AND ne.expire <= %d', time())) {
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while ($node = db_fetch_object($query)) {
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$nids[] = $node->nid;
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$node = node_load($node->nid);
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rules_invoke_event('node_expired', array('node' => &$node));
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}
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module_load_include('rules.inc', 'node_expire');
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node_expire_set_expired($nids, TRUE);
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}
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}
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/**
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* Implementation of hook_form_alter().
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*
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* Add expiration options to the node entry forms
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*/
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function node_expire_form_alter(&$form, &$form_state, $form_id) {
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if (isset($form['type'])
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and $form['type']['#value'] .'_node_form' == $form_id
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and $ntypes = variable_get('node_expire_ntypes', array())
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and $ntypes = $ntypes[$form['type']['#value']]) {
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module_load_include('nodeapi.inc', 'node_expire');
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_node_expire_form_alter_nodeform($ntypes, $form, $form_state, $form_id);
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}
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}
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/**
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* Implementation of hook_form_alter().
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*
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* Enable/Disable expiration feature on node types
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*/
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function node_expire_form_node_type_form_alter(&$form, &$form_state) {
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if (user_access('administer node expire')) {
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$ntypes = variable_get('node_expire_ntypes', array());
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$ntype = $form['#node_type']->type;
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$form['workflow']['node_expire'] = array(
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'#title' => t('Expiration Date'),
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'#description' => t('Default date to consider the node expired.') .' '. t('Format: PHP <a href="http://www.php.net/strtotime" target="_blank">strtotime format</a>.') .' '. t('Leave it blank if this content type never expires.'),
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'#type' => 'textfield',
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'#default_value' => empty($ntypes[$ntype]['default']) ? '' : $ntypes[$ntype]['default'],
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);
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$form['workflow']['node_expire_max'] = array(
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'#title' => t('Expiration Date Limit'),
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'#description' => t('The max date to consider the node expired.') .' '. t('Format: PHP <a href="http://www.php.net/strtotime" target="_blank">strtotime format</a>.') .' '. t('Leave it blank if this there is no limit date.'),
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'#type' => 'textfield',
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'#default_value' => empty($ntypes[$ntype]['max']) ? '' : $ntypes[$ntype]['max'],
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);
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$form['workflow']['node_expire_required'] = array(
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'#title' => t('Expiration Date Required'),
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'#type' => 'checkbox',
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'#default_value' => !empty($ntypes[$ntype]['required']),
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);
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// Add special validate/submit functions
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module_load_include('ntype.inc', 'node_expire');
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$form['#validate'][] = '_node_expire_form_node_type_form_alter_validate';
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$form['#submit'][] = '_node_expire_form_node_type_form_alter_submit';
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}
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function node_expire_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
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// Only deal with node types that have the Node Expire feature enabled
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$ntypes = variable_get('node_expire_ntypes', array());
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if (!$ntypes = $ntypes[$node->type]) {
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return;
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}
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module_load_include('nodeapi.inc', 'node_expire');
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_node_expire_nodeapi($ntypes, $node, $op, $a3, $a4);
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}
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/**
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* Implementation of hook_perm().
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*/
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function node_expire_perm() {
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return array('administer node expire', 'edit node expire');
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}
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/**
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* Implementation of hook_views_api().
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*/
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function node_expire_views_api() {
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return array(
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'api' => 2,
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'path' => drupal_get_path('module', 'node_expire'),
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);
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}
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