/**
* Delete a user's progress for an achievement. Essentially, un-reward the achievement for this user.
*
* @param int $achievement_id Achievement ID
* @param int $user_id User ID
* @since Achievements (3.0)
*/
function dpa_delete_achievement_progress($achievement_id, $user_id)
{
$achievement_id = dpa_get_achievement_id($achievement_id);
if (empty($achievement_id) || !dpa_is_achievement($achievement_id)) {
return;
}
$progress_id = dpa_get_progress(array('author' => $user_id, 'fields' => 'ids', 'no_found_rows' => true, 'nopaging' => true, 'numberposts' => 1, 'post_parent' => $achievement_id));
if (empty($progress_id)) {
return;
}
$progress_id = apply_filters('dpa_delete_achievement_progress', array_pop($progress_id), $achievement_id, $user_id);
do_action('dpa_before_delete_achievement_progress', $progress_id, $achievement_id, $user_id);
wp_delete_post($progress_id, true);
// Check that the delete achievement isn't in the user's pending notifications
$notifications = dpa_get_user_notifications($user_id);
if (isset($notifications[$achievement_id])) {
unset($notifications[$achievement_id]);
}
// Update the user's notifications in case we cleared any above
dpa_update_user_notifications($notifications, $user_id);
// Decrease user unlocked count
dpa_update_user_unlocked_count($user_id, dpa_get_user_unlocked_count($user_id) - 1);
/**
* If the progress was linked to an achievement that is the same achievement that is stored in
* this user's "last unlocked" meta, then clear the "last unlocked" meta, too.
*/
if ((int) dpa_get_user_last_unlocked($user_id) === $achievement_id) {
dpa_update_user_last_unlocked($user_id, 0);
}
do_action('dpa_after_delete_achievement_progress', $progress_id, $achievement_id, $user_id);
}
/**
* Display the contents of a specific achievement ID in an output buffer
* and return to ensure that post/page contents are displayed first.
*
* @param array $attr
* @param string $content Optional
* @return string Contents of output buffer
* @since Achievements (3.0)
*/
public function display_achievement($attr, $content = '')
{
// Sanity check required info
if (!empty($content) || (empty($attr['id']) || !is_numeric($attr['id']))) {
return $content;
}
$this->unset_globals();
// Set passed attribute to $achievement_id for clarity
$achievement_id = achievements()->current_achievement_id = absint($attr['id']);
// Bail if ID passed is not an achievement
if (!dpa_is_achievement($achievement_id)) {
return $content;
}
// If not in theme compat, reset necessary achievement_query attributes for achievements loop to function
if (!dpa_is_theme_compat_active()) {
achievements()->achievement_query->query_vars['post_type'] = dpa_get_achievement_post_type();
achievements()->achievement_query->in_the_loop = true;
achievements()->achievement_query->post = get_post($achievement_id);
}
$this->start('dpa_single_achievement');
dpa_get_template_part('content-single-achievement');
return $this->end();
}
/**
* Has a specific user unlocked a specific achievement?
*
* @param int $user_id
* @param int $achievement_id
* @return bool True if user has unlocked the achievement
* @since Achievements (3.4)
*/
function dpa_has_user_unlocked_achievement($user_id, $achievement_id)
{
if (!dpa_is_user_active($user_id)) {
return false;
}
$achievement_id = dpa_get_achievement_id($achievement_id);
if (empty($achievement_id) || !dpa_is_achievement($achievement_id)) {
return false;
}
// Try to fetched an unlocked progress item for this user pair/achievement pair
$progress = dpa_get_progress(array('author' => $user_id, 'fields' => 'ids', 'no_found_rows' => true, 'nopaging' => true, 'numberposts' => 1, 'post_parent' => $achievement_id, 'post_status' => dpa_get_unlocked_status_id()));
return apply_filters('dpa_has_user_unlocked_achievement', !empty($progress), $progress, $user_id, $achievement_id);
}
