function bbPress_ajax_favorite()
{
$user_id = bbp_get_current_user_id();
$id = intval($_POST['id']);
if (!current_user_can('edit_user', $user_id)) {
die('-1');
}
if (!($topic = bbp_get_topic($id))) {
die('0');
}
check_ajax_referer('toggle-favorite_' . $topic->ID);
if (bbp_is_user_favorite($user_id, $topic->ID)) {
if (bbp_remove_user_favorite($user_id, $topic->ID)) {
die('1');
}
} else {
if (bbp_add_user_favorite($user_id, $topic->ID)) {
die('1');
}
}
die('0');
}
/**
* Remove a deleted topic from all users' favorites
*
* @since bbPress (r2652)
*
* @param int $topic_id Get the topic id to remove
* @uses bbp_get_topic_id To get the topic id
* @uses bbp_get_topic_favoriters() To get the topic's favoriters
* @uses bbp_remove_user_favorite() To remove the topic from user's favorites
*/
function bbp_remove_topic_from_all_favorites($topic_id = 0)
{
$topic_id = bbp_get_topic_id($topic_id);
// Bail if no topic
if (empty($topic_id)) {
return;
}
// Get users
$users = (array) bbp_get_topic_favoriters($topic_id);
// Users exist
if (!empty($users)) {
// Loop through users
foreach ($users as $user) {
// Remove each user
bbp_remove_user_favorite($user, $topic_id);
}
}
}
/**
* Handles the front end adding and removing of favorite topics
*
* @uses bbp_get_user_id() To get the user id
* @uses bbp_verify_nonce_request() To verify the nonce and check the request
* @uses current_user_can() To check if the current user can edit the user
* @uses bbPress:errors:add() To log the error messages
* @uses bbp_is_user_favorite() To check if the topic is in user's favorites
* @uses bbp_remove_user_favorite() To remove the user favorite
* @uses bbp_add_user_favorite() To add the user favorite
* @uses do_action() Calls 'bbp_favorites_handler' with success, user id, topic
* id and action
* @uses bbp_is_favorites() To check if it's the favorites page
* @uses bbp_get_favorites_link() To get the favorites page link
* @uses bbp_get_topic_permalink() To get the topic permalink
* @uses wp_safe_redirect() To redirect to the url
*/
function bbp_favorites_handler()
{
if (!bbp_is_favorites_active()) {
return false;
}
// Bail if not a GET action
if ('GET' !== strtoupper($_SERVER['REQUEST_METHOD'])) {
return;
}
// Bail if required GET actions aren't passed
if (empty($_GET['topic_id']) || empty($_GET['action'])) {
return;
}
// Setup possible get actions
$possible_actions = array('bbp_favorite_add', 'bbp_favorite_remove');
// Bail if actions aren't meant for this function
if (!in_array($_GET['action'], $possible_actions)) {
return;
}
// What action is taking place?
$action = $_GET['action'];
$topic_id = intval($_GET['topic_id']);
$user_id = bbp_get_user_id(0, true, true);
// Check for empty topic
if (empty($topic_id)) {
bbp_add_error('bbp_favorite_topic_id', __('<strong>ERROR</strong>: No topic was found! Which topic are you marking/unmarking as favorite?', 'bbpress'));
// Check nonce
} elseif (!bbp_verify_nonce_request('toggle-favorite_' . $topic_id)) {
bbp_add_error('bbp_favorite_nonce', __('<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress'));
// Check current user's ability to edit the user
} elseif (!current_user_can('edit_user', $user_id)) {
bbp_add_error('bbp_favorite_permissions', __('<strong>ERROR</strong>: You don\'t have the permission to edit favorites of that user!', 'bbpress'));
}
// Bail if errors
if (bbp_has_errors()) {
return;
}
/** No errors *************************************************************/
$is_favorite = bbp_is_user_favorite($user_id, $topic_id);
$success = false;
if (true == $is_favorite && 'bbp_favorite_remove' == $action) {
$success = bbp_remove_user_favorite($user_id, $topic_id);
} elseif (false == $is_favorite && 'bbp_favorite_add' == $action) {
$success = bbp_add_user_favorite($user_id, $topic_id);
}
// Do additional favorites actions
do_action('bbp_favorites_handler', $success, $user_id, $topic_id, $action);
// Success!
if (true == $success) {
// Redirect back from whence we came
if (bbp_is_favorites()) {
$redirect = bbp_get_favorites_permalink($user_id);
} elseif (bbp_is_single_user()) {
$redirect = bbp_get_user_profile_url();
} elseif (is_singular(bbp_get_topic_post_type())) {
$redirect = bbp_get_topic_permalink($topic_id);
} elseif (is_single() || is_page()) {
$redirect = get_permalink();
}
wp_safe_redirect($redirect);
// For good measure
exit;
// Fail! Handle errors
} elseif (true == $is_favorite && 'bbp_favorite_remove' == $action) {
bbp_add_error('bbp_favorite_remove', __('<strong>ERROR</strong>: There was a problem removing that topic from favorites!', 'bbpress'));
} elseif (false == $is_favorite && 'bbp_favorite_add' == $action) {
bbp_add_error('bbp_favorite_add', __('<strong>ERROR</strong>: There was a problem favoriting that topic!', 'bbpress'));
}
}
/**
* AJAX handler to add or remove a topic from a user's favorites
*
* @since bbPress (r3732)
*
* @uses bbp_is_favorites_active() To check if favorites are active
* @uses bbp_is_user_logged_in() To check if user is logged in
* @uses bbp_get_current_user_id() To get the current user id
* @uses current_user_can() To check if the current user can edit the user
* @uses bbp_get_topic() To get the topic
* @uses wp_verify_nonce() To verify the nonce & check the referer
* @uses bbp_is_user_favorite() To check if the topic is user's favorite
* @uses bbp_remove_user_favorite() To remove the topic from user's favorites
* @uses bbp_add_user_favorite() To add the topic from user's favorites
* @uses bbp_ajax_response() To return JSON
*/
public function ajax_favorite()
{
// Bail if favorites are not active
if (!bbp_is_favorites_active()) {
bbp_ajax_response(false, __('Favorites are no longer active.', 'bbpress'), 300);
}
// Bail if user is not logged in
if (!is_user_logged_in()) {
bbp_ajax_response(false, __('Please login to make this topic a favorite.', 'bbpress'), 301);
}
// Get user and topic data
$user_id = bbp_get_current_user_id();
$id = !empty($_POST['id']) ? intval($_POST['id']) : 0;
// Bail if user cannot add favorites for this user
if (!current_user_can('edit_user', $user_id)) {
bbp_ajax_response(false, __('You do not have permission to do this.', 'bbpress'), 302);
}
// Get the topic
$topic = bbp_get_topic($id);
// Bail if topic cannot be found
if (empty($topic)) {
bbp_ajax_response(false, __('The topic could not be found.', 'bbpress'), 303);
}
// Bail if user did not take this action
if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'toggle-favorite_' . $topic->ID)) {
bbp_ajax_response(false, __('Are you sure you meant to do that?', 'bbpress'), 304);
}
// Take action
$status = bbp_is_user_favorite($user_id, $topic->ID) ? bbp_remove_user_favorite($user_id, $topic->ID) : bbp_add_user_favorite($user_id, $topic->ID);
// Bail if action failed
if (empty($status)) {
bbp_ajax_response(false, __('The request was unsuccessful. Please try again.', 'bbpress'), 305);
}
// Put subscription attributes in convenient array
$attrs = array('topic_id' => $topic->ID, 'user_id' => $user_id);
// Action succeeded
bbp_ajax_response(true, bbp_get_user_favorites_link($attrs, $user_id, false), 200);
}
/**
* @covers ::bbp_remove_user_favorite
*/
public function test_bbp_remove_user_favorite()
{
$u = $this->factory->user->create();
$t = $this->factory->topic->create_many(3);
// Add topic favorites.
update_user_option($u, '_bbp_favorites', implode(',', $t));
// Remove user favorite.
bbp_remove_user_favorite($u, $t[2]);
$favorites = bbp_get_user_favorites_topic_ids($u);
$this->assertEquals(array($t[0], $t[1]), $favorites);
// Remove user favorite.
bbp_remove_user_favorite($u, $t[1]);
$favorites = bbp_get_user_favorites_topic_ids($u);
$this->assertEquals(array($t[0]), $favorites);
}
/**
* @covers ::bbp_remove_user_favorite
*/
public function test_bbp_remove_user_favorite()
{
$u = $this->factory->user->create();
$t = $this->factory->topic->create_many(3);
// Add topic favorites.
foreach ($t as $topic) {
add_post_meta($topic, '_bbp_favorite', $u);
}
// Remove user favorite.
bbp_remove_user_favorite($u, $t[2]);
$favorites = bbp_get_user_favorites_topic_ids($u);
$this->assertEqualSets(array($t[0], $t[1]), $favorites);
// Remove user favorite.
bbp_remove_user_favorite($u, $t[1]);
$favorites = bbp_get_user_favorites_topic_ids($u);
$this->assertEqualSets(array($t[0]), $favorites);
}
