/**
* When an achievement is unlocked by a user, update various stats relating to the user.
*
* @param WP_Post $achievement_obj The Achievement object.
* @param int $user_id ID of the user who unlocked the achievement.
* @param int $progress_id The Progress object's ID.
* @since Achievements (3.0)
*/
function dpa_update_user_stats(WP_Post $achievement_obj, $user_id, $progress_id)
{
// Let other plugins easily bypass updating user's stats
if (!apply_filters('dpa_maybe_update_user_stats', true, $achievement_obj, $user_id, $progress_id)) {
return;
}
// Increment the user's current unlocked count
$new_unlock_count = dpa_get_user_unlocked_count($user_id) + 1;
$new_unlock_count = apply_filters('dpa_update_user_stats_value', $new_unlock_count, $achievement_obj, $user_id, $progress_id);
// Update user's unlocked count
dpa_update_user_unlocked_count($user_id, $new_unlock_count);
// Store the ID of the unlocked achievement for this user
dpa_update_user_last_unlocked($user_id, $achievement_obj->ID);
// Allow other things to happen after the user's stats have been updated
do_action('dpa_update_user_stats', $achievement_obj, $user_id, $progress_id, $new_unlock_count);
}
/**
* 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);
}