/**
* Return the donors to display in the widget.
*
* @param mixed[] $instance
* @return array
* @access protected
* @since 1.0.0
*/
protected function get_widget_donors($instance)
{
$query_args = array('number' => $instance['number'], 'output' => 'donors');
if ('amount' == $instance['order']) {
$query_args['orderby'] = 'amount';
}
if ('current' == $instance['campaign_id']) {
$query_args['campaign'] = charitable_get_current_campaign_id();
} elseif ('all' != $instance['campaign_id']) {
$query_args['campaign'] = intval($instance['campaign_id']);
}
$query_args['distinct_donors'] = $instance['show_distinct'];
$query_args = apply_filters('charitable_donors_widget_donor_query_args', $query_args, $instance);
return new Charitable_Donor_Query($query_args);
}
/**
* Save the submitted donation.
*
* @return int|false If successful, this returns the donation ID. If unsuccessful, returns false.
* @access public
* @since 1.0.0
*/
public function save_donation()
{
$campaign_id = charitable_get_current_campaign_id();
if (!$campaign_id) {
return 0;
}
if (!$this->validate_nonce()) {
return 0;
}
/* Set the donation amount */
$campaign_id = $this->get_campaign()->ID;
$amount = parent::get_donation_amount();
if (0 == $amount && !apply_filters('charitable_permit_empty_donations', false)) {
charitable_get_notices()->add_error(__('No donation amount was set.', 'charitable'));
return false;
}
/* Create or update the donation object in the session, with the current campaign ID. */
charitable_get_session()->add_donation($campaign_id, $amount);
do_action('charitable_donation_amount_form_submit', $campaign_id, $amount);
return true;
}
/**
* Returns whether the current user is the creator of the given campaign.
*
* @param int $campaign_id
* @return boolean
* @since 1.0.0
*/
function charitable_is_current_campaign_creator($campaign_id = null)
{
if (is_null($campaign_id)) {
$campaign_id = charitable_get_current_campaign_id();
}
return get_post_field('post_author', $campaign_id) == get_current_user_id();
}
