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<?php
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// $Id: node_expire.nodeapi.inc,v 1.3 2009/01/31 00:22:15 brmassa Exp $
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/**
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* @file
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* Node API integration.
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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(&$ntypes, &$node, $op, $a3 = NULL, $a4 = NULL) {
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switch ($op) {
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case 'load':
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$query = db_query('SELECT expire, expired
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FROM {node_expire} WHERE nid = %d', $node->nid);
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// Use the existing expiration data if present.
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if ($row = db_fetch_object($query)) {
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$node->expire = $row->expire;
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$node->expired = $row->expired;
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}
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break;
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case 'prepare':
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if (!isset($node->expire)) {
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$node->expire = format_date(strtotime($ntypes['default']), 'custom', NODE_EXPIRE_FORMAT);
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}
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break;
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case 'validate':
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// The only restriction we have is that the node can't expire in the past.
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if ($node->expire == '') {
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if (!empty($ntypes['required'])) {
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form_set_error('expire_date', t('You must choose an expiration date.'));
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}
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}
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elseif (!$expire = strtotime($node->expire) or $expire <= 0) {
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form_set_error('expire_date', t('You have to specify a valid date.'));
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}
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elseif ($expire <= time()) {
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form_set_error('expire_date', t("You can't expire a node in the past!"));
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}
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elseif (!empty($ntypes['max']) and $expire > strtotime($ntypes['max'], $node->created)) {
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form_set_error('expire_date', t('It must expire before %date.',
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array('%date' => format_date(strtotime($ntypes['max'], $node->created), 'custom', NODE_EXPIRE_FORMAT))));
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}
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break;
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case 'update':
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case 'insert':
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$update = array();
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if (isset($node->node_expire)) {
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$update[] = 'nid';
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}
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$node->expire = strtotime($node->expire);
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$node->expired = FALSE;
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drupal_write_record('node_expire', $node, $update);
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break;
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case 'delete':
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db_query('DELETE FROM {node_expire} WHERE nid = %d', $node->nid);
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break;
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}
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}
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function _node_expire_form_alter_nodeform(&$ntypes, &$form, &$form_state, $form_id) {
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// Check if the Node Expire feature is enabled for the node type
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$node = isset($form['#node']) ? $form['#node'] : NULL;
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// Convert the timestamp into a human readable date
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if (is_numeric($node->expire)) {
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$node->expire = format_date($node->expire, 'custom', NODE_EXPIRE_FORMAT);
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}
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if (user_access('edit node expire')) {
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$expire_field = array(
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'#title' => t('Expiration Date'),
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'#description' => t('Time date to consider the node expired. Format: %time.',
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array('%time' => format_date(time(), 'custom', NODE_EXPIRE_FORMAT))),
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'#type' => 'textfield',
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'#maxlength' => 25,
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'#required' => $ntypes['required'],
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'#default_value' => $node->expire,
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);
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// In case jQuery UI module is enabled, use it to
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// get the DatePicker widget.
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if (module_exists('jquery_ui')) {
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jquery_ui_add('ui.datepicker');
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drupal_add_js(drupal_get_path('module', 'node_expire') .'/node_expire.js');
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$min = empty($node->created) ? time() : $node->created;
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$min = array(
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format_date($min, 'custom', 'Y'),
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format_date($min, 'custom', 'm'),
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format_date($min, 'custom', 'd'),
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);
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if (!empty($ntypes['max'])) {
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$max = strtotime($ntypes['max'], (empty($node->created) ? time() : $node->created));
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$max = array(
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format_date($max, 'custom', 'Y'),
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format_date($max, 'custom', 'm'),
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format_date($max, 'custom', 'd'),
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);
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}
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else {
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$max = NULL;
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}
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drupal_add_js(array(
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'dateFormat' => NODE_EXPIRE_FORMAT_JS,
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'minDate' => $min,
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'maxDate' => $max,
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), 'setting');
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}
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}
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else {
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$expire_field = array(
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'#type' => 'value',
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'#value' => $node->expire
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);
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}
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// Put the expire field into 'Publising options' if possible
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if (user_access('administer nodes')) {
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$form['options']['expire'] = &$expire_field;
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}
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else {
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$form['expire'] = &$expire_field;
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}
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if (isset($node->expired)) {
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$form['node_expire'] = array(
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'#type' => 'value',
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'#value' => TRUE,
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);
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}
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}
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