post_content;
}
if(!$ad_post) {
//Get all ads
$args = array('post_type' => 'adherder_ad',
'post_status' => 'publish',
'numberposts' => -1);
$ad_posts = get_posts($args);
$options = get_option('adherder_options');
if(count($ad_posts)>0){
$uid = $_COOKIE['ctopt_uid'];
//calculate wait of the ads
$weights = array();
foreach($ad_posts as $ad_post) {
$converted = adherder_database_has_converted($uid, $ad_post->ID);
if($converted) {
$weights[] = $options['converted_weight'];
} else {
$seen = adherder_database_has_seen($uid, $ad_post->ID, $options['seen_limit']);
if($seen) {
$weights[] = $options['seen_weight'];
} else {
$weights[] = $options['normal_weight'];
}
}
}
//select random ad
$num = mt_rand(0, array_sum($weights));
$i = 0; $n = 0;
while($i < count($ad_posts)) {
$n += $weights[$i];
if($n >= $num) {
break;
}
$i++;
}
$ad_post = $ad_posts[$i];
// http://codex.wordpress.org/Displaying_Posts_Using_a_Custom_Select_Query
setup_postdata($ad_post);
$ad_id = $ad_post->ID;
$ad_content = $ad_post->post_content;
} else {
// no calls yet
$ad_id = -1;
$ad_content = "You still need to define some Ads before they can be displayed.";
}
}
return '' . $ad_content . '
';
}
//=============================================
// Create 'Call to Action' Widget
//=============================================
class Adherder_Widget extends WP_Widget {
/** constructor */
function Adherder_Widget() {
$widget_ops = array(
'classname' => 'adherder_widget_class',
'description' => 'Display ads based on your criteria.'
);
$this->WP_Widget( 'Adherder_Widget', 'AdHerder widget', $widget_ops );
}
/** @see WP_Widget::widget */
function widget($args, $instance) {
extract( $args );
$options = get_option('adherder_options');
echo $before_widget;
if($options['ajax_widget']) {
echo 'loading...
';
} else {
echo adherder_display();
}
echo $after_widget;
}
/** @see WP_Widget::update */
function update($new_instance, $old_instance) {
$instance = $old_instance;
return $instance;
}
/** @see WP_Widget::form */
function form($instance) {
}
}
?>