/**
* This method is used by modules to get content that has to be excerpted (cut)
* IT RETURNS THE EXCERPT FROM THE POST IF IT'S ENTERED IN THE EXCERPT CUSTOM POST FIELD BY THE USER
* @param string $cut_at - if provided the method will just cat at that point
* @return string
*/
function get_excerpt($cut_at = '')
{
//If the user supplied the excerpt in the post excerpt custom field, we just return that
if ($this->post->post_excerpt != '') {
return $this->post->post_excerpt;
}
$buffy = '';
if ($cut_at != '') {
// simple, $cut_at and return
$buffy .= td_util::excerpt($this->post->post_content, $cut_at);
} else {
$current_module_class = get_class($this);
//see if we have a default setting for this module, and if so only apply it if we don't get other things form theme panel.
if (td_api_module::_check_excerpt_content($current_module_class)) {
$db_content_excerpt = td_util::get_option($current_module_class . '_content_excerpt');
if ($db_content_excerpt != '') {
//cut from the database settings
$buffy .= td_util::excerpt($this->post->post_content, $db_content_excerpt);
} else {
//cut at the default size
$module_api = td_api_module::get_by_id($current_module_class);
$buffy .= td_util::excerpt($this->post->post_content, $module_api['excerpt_content']);
}
} else {
/**
* no $cut_at provided and no setting in td_config -> return the full $this->post->post_content
* @see td_global::$modules_list
*/
$buffy .= $this->post->post_content;
}
}
return $buffy;
}
