80 lines
3.2 KiB
PHP
80 lines
3.2 KiB
PHP
<?php
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/**
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* Preprocess an ical feed
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*/
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function template_preprocess_calendar_view_ical(&$vars) {
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global $base_url;
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global $language;
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$view = &$vars['view'];
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$options = &$vars['options'];
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$items = &$vars['rows'];
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$style = &$view->style_plugin;
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// Figure out which display which has a path we're using for this feed. If there isn't
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// one, use the global $base_url
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$link_display = $view->display_handler->get_link_display();
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// Compare the link to the default home page; if it's the default home page, just use $base_url.
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if (empty($vars['link'])) {
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$vars['link'] = $base_url;
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}
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// Keep devel module from appending queries to ical export.
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$GLOBALS['devel_shutdown'] = FALSE;
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drupal_set_header('Content-Type: text/calendar; charset=utf-8');
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drupal_set_header('Content-Disposition: attachment; filename="calendar.ics"; ');
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require_once('./'. drupal_get_path('module', 'date_api') .'/date_api_ical.inc');
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require_once('./'. drupal_get_path('module', 'date_api') .'/theme/theme.inc');
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require_once('./'. drupal_get_path('module', 'calendar') .'/includes/calendar.inc');
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$events = array();
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// Get the alias name for each of our data fields.
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foreach ($view->field as $name => $field) {
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// Some fields, like the node edit and delete links, have no alias.
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$field_alias = $field->field_alias != 'unknown' ? $field->field_alias : $name;
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foreach (array('summary_field', 'description_field', 'location_field') as $data) {
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if ($field->field == $view->date_info->$data) {
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$$data = $field_alias;
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}
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}
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}
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// A summary field is required, default to the title.
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if (empty($summary_field) || $summary_field == 'node_title') {
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$summary_field = 'title';
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}
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foreach ($items as $node) {
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// We cannot process an event that is missing the summary info.
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if (empty($node->$summary_field)) {
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continue;
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}
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// Allow modules to affect item fields
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node_invoke_nodeapi($node, 'ical item');
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unset($node->view);
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$rrule_field = str_replace(array('_value2', '_value'), '_rrule', $node->datefield);
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$event = array();
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$event['summary'] = strip_tags($node->$summary_field);
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$event['start'] = $node->calendar_start_date;
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$event['end'] = $node->calendar_end_date;
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$event['description'] = !empty($description_field) && !empty($node->$description_field) ? $node->$description_field : '';
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$event['location'] = !empty($location_field) && !empty($node->$location_field) ? $node->$location_field : '';
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$event['url'] = !empty($node->url) ? $node->url : (is_numeric($node->nid) ? url("node/$node->nid", array('absolute' => TRUE)) : $node->nid);
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$event['uid'] = !empty($node->date_id) ? $node->date_id : $event['url'];
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$event['rrule'] = !empty($rrule_field) && !empty($node->$rrule_field) ? $node->$rrule_field : '';
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$events[$event['uid']] = $event;
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/* force UTC timezone */
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date_timezone_set($event['start'], timezone_open('UTC'));
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date_timezone_set($event['end'], timezone_open('UTC'));
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}
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$headertitle = filter_xss_admin($view->get_title());
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$title = variable_get('site_name', 'Drupal');
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$description = $headertitle . ($title ? ' | '. $title : '');
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$vars['calname'] = $description;
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$vars['events'] = $events;
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template_preprocess_date_vcalendar($vars);
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}
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