/**
* Retrieves a list of progress posts matching criteria
*
* If you try to use this function, you will need to implement your own switch_to_blog and wp_reset_postdata() handling if running in a multisite
* and in a dpa_is_running_networkwide() configuration, otherwise the data won't be fetched from the appropriate site.
*
* @param array|string $args All the arguments supported by {@link WP_Query}, and some more.
* @return array Posts
* @since Achievements (3.0)
*/
function dpa_get_progress($args = array())
{
$defaults = array('no_found_rows' => true, 'order' => 'DESC', 'orderby' => 'date', 'post_type' => dpa_get_progress_post_type(), 'posts_per_page' => -1, 'post_status' => array(dpa_get_locked_status_id(), dpa_get_unlocked_status_id()));
$args = dpa_parse_args($args, $defaults, 'get_progress');
$progress = new WP_Query();
return apply_filters('dpa_get_progress', $progress->query($args), $args);
}
/**
* 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);
}
/**
* The achievement post type loop.
*
* Most of the values that $args can accept are documented in {@link WP_Query}. The custom
* values added by Achievements are as follows:
*
* 'ach_event' - string - Loads achievements for a specific event. Matches a slug from the dpa_event tax. Default is empty.
* 'ach_populate_progress' - bool|int - Populate a user/users' progress for the results.
* - bool: True - uses the logged in user (default). False - don't fetch progress.
* - int: pass a user ID (single user).
* 'ach_progress_status' - array - array: Post status IDs for the Progress post type.
*
* @param array|string $args All the arguments supported by {@link WP_Query}, and some more.
* @return bool Returns true if the query has any results to loop over
* @since Achievements (1.0)
*/
function dpa_has_achievements($args = array())
{
// If multisite and running network-wide, switch_to_blog to the data store site
if (is_multisite() && dpa_is_running_networkwide()) {
switch_to_blog(DPA_DATA_STORE);
}
$default_post_parent = dpa_is_single_achievement() ? dpa_get_achievement_id() : 'any';
$default_progress_status = dpa_is_single_user_achievements() ? array(dpa_get_unlocked_status_id()) : array(dpa_get_locked_status_id(), dpa_get_unlocked_status_id());
$defaults = array('ignore_sticky_posts' => true, 'order' => 'ASC', 'orderby' => 'title', 'max_num_pages' => false, 'paged' => dpa_get_paged(), 'perm' => 'readable', 'post_parent' => $default_post_parent, 'post_type' => dpa_get_achievement_post_type(), 'posts_per_page' => dpa_get_achievements_per_page(), 'ach_progress_status' => $default_progress_status, 's' => !empty($_GET['achievements']) ? wp_unslash($_GET['achievements']) : '', 'ach_event' => '', 'ach_populate_progress' => false);
// Load achievements for a specific event
if (!empty($args['ach_event'])) {
$args['tax_query'] = array(array('field' => 'slug', 'taxonomy' => dpa_get_event_tax_id(), 'terms' => $args['ach_event']));
unset($args['ach_event']);
}
$args = dpa_parse_args($args, $defaults, 'has_achievements');
extract($args);
// Run the query
achievements()->achievement_query = new WP_Query($args);
// User to popular progress for
$progress_user_ids = false;
if (isset($args['ach_populate_progress'])) {
if (true === $args['ach_populate_progress']) {
if (dpa_is_single_user_achievements()) {
$progress_user_ids = dpa_get_displayed_user_id();
} elseif (is_user_logged_in()) {
$progress_user_ids = get_current_user_id();
}
} else {
$progress_user_ids = (int) $args['ach_populate_progress'];
}
}
// If no limit to posts per page, set it to the current post_count
if (-1 === $posts_per_page) {
$posts_per_page = achievements()->achievement_query->post_count;
}
// Add pagination values to query object
achievements()->achievement_query->posts_per_page = $posts_per_page;
achievements()->achievement_query->paged = $paged;
// Only add pagination if query returned results
if (((int) achievements()->achievement_query->post_count || (int) achievements()->achievement_query->found_posts) && (int) achievements()->achievement_query->posts_per_page) {
// Limit the number of achievements shown based on maximum allowed pages
if (!empty($max_num_pages) && achievements()->achievement_query->found_posts > achievements()->achievement_query->max_num_pages * achievements()->achievement_query->post_count) {
achievements()->achievement_query->found_posts = achievements()->achievement_query->max_num_pages * achievements()->achievement_query->post_count;
}
// If pretty permalinks are enabled, make our pagination pretty
if ($GLOBALS['wp_rewrite']->using_permalinks()) {
// Page or single post
if (is_page() || is_single()) {
$base = get_permalink();
} elseif (dpa_is_achievement_archive()) {
$base = dpa_get_achievements_url();
} else {
$base = get_permalink($post_parent);
}
// Use pagination base
$base = trailingslashit($base) . user_trailingslashit($GLOBALS['wp_rewrite']->pagination_base . '/%#%/');
// Unpretty pagination
} else {
$base = add_query_arg('paged', '%#%');
}
// Pagination settings with filter
$achievement_pagination = apply_filters('dpa_achievement_pagination', array('base' => $base, 'current' => (int) achievements()->achievement_query->paged, 'format' => '', 'mid_size' => 1, 'next_text' => is_rtl() ? '←' : '→', 'prev_text' => is_rtl() ? '→' : '←', 'total' => $posts_per_page == achievements()->achievement_query->found_posts ? 1 : ceil((int) achievements()->achievement_query->found_posts / (int) $posts_per_page)));
// Add pagination to query object
achievements()->achievement_query->pagination_links = paginate_links($achievement_pagination);
// Remove first page from pagination
achievements()->achievement_query->pagination_links = str_replace($GLOBALS['wp_rewrite']->pagination_base . "/1/'", "'", achievements()->achievement_query->pagination_links);
}
// Populate extra progress information for the achievements
if (!empty($progress_user_ids) && achievements()->achievement_query->have_posts()) {
$progress_post_ids = wp_list_pluck((array) achievements()->achievement_query->posts, 'ID');
// Args for progress query
$progress_args = array('author' => $progress_user_ids, 'no_found_rows' => true, 'post_parent' => $progress_post_ids, 'post_status' => $args['ach_progress_status'], 'posts_per_page' => -1);
// Run the query
dpa_has_progress($progress_args);
}
// If multisite and running network-wide, undo the switch_to_blog
if (is_multisite() && dpa_is_running_networkwide()) {
restore_current_blog();
}
return apply_filters('dpa_has_achievements', achievements()->achievement_query->have_posts());
}
/**
* Has the current achievement in the progress loop been unlocked by the current user?
*
* The "current" user refers to the user in the dpa_has_achievements() loop, which is not necessarily
* the currently-logged in user.
*
* @param int $achievement_id Optional. Achievement ID to check.
* @return bool True if achievement has been unlocked
* @since Achievements (3.0)
*/
function dpa_is_achievement_unlocked($achievement_id = 0)
{
$achievement_id = dpa_get_achievement_id($achievement_id);
// Look in the progress posts and match the achievement against a post_parent
$progress = wp_filter_object_list(achievements()->progress_query->posts, array('post_parent' => $achievement_id));
$progress = array_shift($progress);
$retval = !empty($progress) && dpa_get_unlocked_status_id() === $progress->post_status;
return apply_filters('dpa_is_achievement_unlocked', $retval, $achievement_id, $progress);
}
/**
* If the specified achievement's criteria has been met, we unlock the
* achievement. Otherwise we record progress for the achievement for next time.
*
* $skip_validation is the second parameter for backpat with Achievements 2.x
*
* @param int $user_id
* @param string $skip_validation Optional. Set to "skip_validation" to skip Achievement validation (unlock achievement regardless of criteria).
* @param object $progress_obj Optional. The Progress post object. Defaults to Progress object in the Progress loop.
* @param object $achievement_obj Optional. The Achievement post object to maybe_unlock. Defaults to current object in Achievement loop.
* @since Achievements (2.0)
*/
function dpa_maybe_unlock_achievement($user_id, $skip_validation = '', $progress_obj = null, $achievement_obj = null)
{
// Only proceed if the specified user is active (logged in and not a spammer)
if (!dpa_is_user_active($user_id)) {
return;
}
// Only proceed if the specified user can create progress posts
if (!user_can($user_id, 'publish_achievement_progresses')) {
return;
}
// Default to current object in the achievement loop
if (empty($achievement_obj)) {
$achievement_obj = achievements()->achievement_query->post;
}
// Default to progress object in the progress loop
if (empty($progress_obj) && !empty(achievements()->progress_query->posts)) {
$progress_obj = wp_filter_object_list(achievements()->progress_query->posts, array('post_parent' => $achievement_obj->ID));
$progress_obj = array_shift($progress_obj);
}
// Has the user already unlocked the achievement?
if (!empty($progress_obj) && dpa_get_unlocked_status_id() === $progress_obj->post_status) {
return;
}
// Prepare default values to create/update a progress post
$progress_args = array('comment_status' => 'closed', 'ping_status' => 'closed', 'post_author' => $user_id, 'post_parent' => $achievement_obj->ID, 'post_title' => $achievement_obj->post_title, 'post_type' => dpa_get_progress_post_type());
// If achievement already has some progress, grab the ID so we update the post later
if (!empty($progress_obj->ID)) {
$progress_args['ID'] = $progress_obj->ID;
}
// If the achievement does not have a target set, this is an award achievement.
$achievement_target = dpa_get_achievement_target($achievement_obj->ID);
if ($achievement_target) {
// Increment progress count
$progress_args['post_content'] = apply_filters('dpa_maybe_unlock_achievement_progress_increment', 1);
if (!empty($progress_obj)) {
$progress_args['post_content'] = (int) $progress_args['post_content'] + (int) $progress_obj->post_content;
}
}
// Does the progress count now meet the achievement target?
if ('skip_validation' === $skip_validation || $achievement_target && (int) $progress_args['post_content'] >= $achievement_target) {
// Yes. Unlock achievement.
$progress_args['post_status'] = dpa_get_unlocked_status_id();
// No, user needs to make more progress. Make sure the locked status is set correctly.
} else {
$progress_args['post_status'] = dpa_get_locked_status_id();
}
// Create or update the progress post
$progress_id = wp_insert_post($progress_args);
// If the achievement was just unlocked, do stuff.
if (dpa_get_unlocked_status_id() === $progress_args['post_status']) {
// Achievement was unlocked. Notifications and points updates are hooked to this function.
do_action('dpa_unlock_achievement', $achievement_obj, $user_id, $progress_id);
}
}
/**
* Update the user's "User Points" meta information when the Edit User page has been saved,
* and modify the user's current achievements as appropriate.
*
* The action that this function is hooked to is only executed on a succesful update,
* which is behind a nonce and capability check (see wp-admin/user-edit.php).
*
* @param int $user_id
* @since Achievements (3.0)
*/
public function save_profile_fields($user_id)
{
if (!isset($_POST['dpa_achievements']) || !is_super_admin()) {
return;
}
if (!isset($_POST['dpa_user_achievements'])) {
$_POST['dpa_user_achievements'] = array();
}
// If multisite and running network-wide, switch_to_blog to the data store site
if (is_multisite() && dpa_is_running_networkwide()) {
switch_to_blog(DPA_DATA_STORE);
}
// Update user's points
dpa_update_user_points((int) $_POST['dpa_achievements'], $user_id);
// Get unlocked achievements
$unlocked_achievements = dpa_get_progress(array('author' => $user_id, 'post_status' => dpa_get_unlocked_status_id()));
$old_unlocked_achievements = wp_list_pluck($unlocked_achievements, 'post_parent');
$new_unlocked_achievements = array_filter(wp_parse_id_list($_POST['dpa_user_achievements']));
// Figure out which achievements to add or remove
$achievements_to_add = array_diff($new_unlocked_achievements, $old_unlocked_achievements);
$achievements_to_remove = array_diff($old_unlocked_achievements, $new_unlocked_achievements);
// Remove achievements :(
if (!empty($achievements_to_remove)) {
foreach ($achievements_to_remove as $achievement_id) {
dpa_delete_achievement_progress($achievement_id, $user_id);
}
}
// Award achievements! :D
if (!empty($achievements_to_add)) {
// Get achievements to add
$new_achievements = dpa_get_achievements(array('post__in' => $achievements_to_add, 'posts_per_page' => count($achievements_to_add)));
// Get any still-locked progress for this user
$existing_progress = dpa_get_progress(array('author' => $user_id, 'post_status' => dpa_get_locked_status_id()));
foreach ($new_achievements as $achievement_obj) {
$progress_obj = array();
// If we have existing progress, pass that to dpa_maybe_unlock_achievement().
foreach ($existing_progress as $progress) {
if ($achievement_obj->ID === $progress->post_parent) {
$progress_obj = $progress;
break;
}
}
dpa_maybe_unlock_achievement($user_id, 'skip_validation', $progress_obj, $achievement_obj);
}
}
// If multisite and running network-wide, undo the switch_to_blog
if (is_multisite() && dpa_is_running_networkwide()) {
restore_current_blog();
}
}
/**
* Register the post statuses used by Achievements
*
* @since Achievements (3.0)
*/
public function register_post_statuses()
{
// Locked
register_post_status(dpa_get_locked_status_id(), apply_filters('dpa_register_locked_post_status', array('label' => _x('Locked', 'achievement', 'achievements'), 'label_count' => _nx_noop('Locked <span class="count">(%s)</span>', 'Locked <span class="count">(%s)</span>', 'achievement', 'achievements'), 'public' => false, 'exclude_from_search' => true, 'show_in_admin_status_list' => true, 'show_in_admin_all_list' => true)));
// Unlocked
register_post_status(dpa_get_unlocked_status_id(), apply_filters('dpa_register_unlocked_post_status', array('label' => _x('Unlocked', 'achievement', 'achievements'), 'label_count' => _nx_noop('Unlocked <span class="count">(%s)</span>', 'Unlocked <span class="count">(%s)</span>', 'achievement', 'achievements'), 'public' => false, 'exclude_from_search' => true, 'show_in_admin_status_list' => true, 'show_in_admin_all_list' => true)));
}
