/**
* Responds to requests activated from the main emergency alert button.
*
* @link https://developer.wordpress.org/reference/hooks/wp_ajax__requestaction/
*
* @global $_POST
*
* @uses WP_Buoy_Plugin::$prefix
* @uses check_ajax_referer()
* @uses get_current_user_id()
* @uses WP_Buoy_User_Settings::get()
* @uses sanitize_text_field()
* @uses stripslashes_deep()
* @uses WP_Buoy_Alert::set()
* @uses WP_Buoy_Alert::save()
* @uses WP_Buoy_Alert::get_hash()
* @uses wp_send_json_error()
* @uses wp_send_json_success()
* @uses wp_safe_redirect()
*
* @return void
*/
public static function handleNewAlert()
{
check_ajax_referer(self::$prefix . '_new_alert', self::$prefix . '_nonce');
$postarr = array();
$meta_input = array();
// Collect info from the browser via Ajax request
$alert_position = empty($_POST['pos']) ? false : $_POST['pos'];
// TODO: array_map and sanitize this?
if ($alert_position) {
$meta_input['geo_latitude'] = $alert_position['latitude'];
$meta_input['geo_longitude'] = $alert_position['longitude'];
}
if (isset($_POST[self::$prefix . '_teams']) && is_array($_POST[self::$prefix . '_teams'])) {
$my_teams = array_map('absint', $_POST[self::$prefix . '_teams']);
$valid_teams = array();
foreach ($my_teams as $team_id) {
$team = new WP_Buoy_Team($team_id);
if (get_current_user_id() == $team->wp_post->post_author) {
$valid_teams[] = $team_id;
}
}
$meta_input[self::$prefix . '_teams'] = $valid_teams;
}
// Create and publish the new alert.
$buoy_user = new WP_Buoy_User(get_current_user_id());
$postarr['post_title'] = empty($_POST['msg']) ? $buoy_user->get_crisis_message() : sanitize_text_field(stripslashes_deep($_POST['msg']));
if (!empty($meta_input)) {
$postarr['meta_input'] = $meta_input;
}
$err = new WP_Error();
if (isset($_POST['scheduled-datetime-utc'])) {
// TODO: Scheduled alerts should be their own function?
$old_timezone = date_default_timezone_get();
date_default_timezone_set('UTC');
$when_utc = strtotime(stripslashes_deep($_POST['scheduled-datetime-utc']));
if (!$when_utc) {
$err->add('scheduled-datetime-utc', __('Buoy could not understand the date and time you entered.', 'buoy'));
} else {
$dt = new DateTime("@{$when_utc}");
// TODO: This fails to offset the UTC time back to server-local time
// correctly if the WP site is manually offset by a 30 minute
// offset instead of an hourly offset.
$dt->setTimeZone(new DateTimeZone(wp_get_timezone_string()));
$postarr['post_date'] = $dt->format('Y-m-d H:i:s');
$postarr['post_date_gmt'] = gmdate('Y-m-d H:i:s', $when_utc);
$postarr['post_status'] = 'future';
}
date_default_timezone_set($old_timezone);
}
$buoy_alert = new self();
$post_id = $buoy_alert->set($postarr)->save();
if (is_wp_error($post_id)) {
wp_send_json_error($post_id);
} else {
if (!empty($err->errors)) {
wp_send_json_error($err);
} else {
if (isset($_POST['scheduled-datetime-utc']) && empty($err->errors)) {
wp_send_json_success(array('id' => $post_id, 'message' => __('Your timed alert has been scheduled. Schedule another?', 'buoy')));
} else {
// Construct the redirect URL to the alerter's chat room
$next_url = wp_nonce_url(admin_url('?page=' . self::$prefix . '_chat' . '&' . self::$prefix . '_hash=' . $buoy_alert->get_hash()), self::$prefix . '_chat', self::$prefix . '_nonce');
if (isset($_SERVER['HTTP_ACCEPT'])) {
$accepts = explode(',', $_SERVER['HTTP_ACCEPT']);
}
if ($accepts && 'application/json' === array_shift($accepts)) {
wp_send_json_success($next_url);
} else {
wp_safe_redirect(html_entity_decode($next_url));
exit;
}
}
}
}
}
/**
* Checks to ensure a user doesn't leave themselves without any
* responders.
*
* Teams are only "active" is they are in the "publish" status.
* This checks a team transition and if the action leaves a user
* without any responders, it will re-set the team's status.
*
* @link https://developer.wordpress.org/reference/hooks/post_updated/
*
* @uses WP_Buoy_User::has_responder()
* @uses WP_Buoy_Team::is_default()
* @uses WP_Buoy_Team::make_default()
*
* @param int $post_id
* @param WP_Post $post_after
* @param WP_Post $post_before
*
* @return void
*/
public static function postUpdated($post_id, $post_after, $post_before)
{
if (self::$prefix . '_team' !== $post_after->post_type) {
return;
}
$buoy_user = new WP_Buoy_User($post_before->post_author);
// Prevent the user from trashing their last responder team.
if ('publish' === $post_before->post_status && 'publish' !== $post_after->post_status) {
if (!$buoy_user->has_responder()) {
wp_update_post(array('ID' => $post_id, 'post_status' => 'publish'));
}
}
// Re-set the default team if the default team is trashed.
$team = new WP_Buoy_Team($post_id);
if ('trash' === $post_after->post_status && $team->is_default()) {
$teams = $buoy_user->get_teams();
$next_team = new WP_Buoy_Team(array_pop($teams));
$next_team->make_default();
}
}
/**
* Loads plugin componentry and calls that component's register()
* method. Called at the WordPress `init` hook.
*
* @uses WP_Buoy_Settings::register()
* @uses WP_Buoy_Team::register()
* @uses WP_Buoy_Notification::register()
* @uses WP_Buoy_User::register()
* @uses WP_Buoy_Alert::register()
*
* @return void
*/
public static function initialize()
{
require_once 'class-buoy-settings.php';
require_once 'class-buoy-user-settings.php';
require_once 'class-buoy-team.php';
require_once 'class-buoy-notification.php';
require_once 'class-buoy-user.php';
require_once 'class-buoy-alert.php';
require_once 'includes/class-wp-screen-help-loader.php';
WP_Buoy_Settings::register();
WP_Buoy_Team::register();
WP_Buoy_Notification::register();
WP_Buoy_User::register();
WP_Buoy_Alert::register();
}
/**
* Runs whenever an alert is published. Sends notifications to an
* alerter's response team informing them of the alert.
*
* @param int $post_id
* @param WP_Post $post
*
* @return void
*/
public static function publishAlert($post_id, $post)
{
$alert = new WP_Buoy_Alert($post_id);
$responder_link = admin_url('?page=' . self::$prefix . '_review_alert' . '&' . self::$prefix . '_hash=' . $alert->get_hash());
$responder_short_link = home_url('?' . self::$prefix . '_alert=' . substr($alert->get_hash(), 0, 8));
$subject = $post->post_title;
$alerter = get_userdata($post->post_author);
$headers = array("From: \"{$alerter->display_name}\" <{$alerter->user_email}>");
foreach ($alert->get_teams() as $team_id) {
$team = new WP_Buoy_Team($team_id);
foreach ($team->get_confirmed_members() as $user_id) {
$responder = new WP_Buoy_User($user_id);
// TODO: Write a more descriptive message.
wp_mail($responder->wp_user->user_email, $subject, $responder_link, $headers);
$smsemail = $responder->get_sms_email();
if (!empty($smsemail)) {
$sms_max_length = 160;
// We need to ensure that SMS notifications fit within the 160 character
// limit of SMS transmissions. Since we're using email-to-SMS gateways,
// a subject will be wrapped inside of parentheses, making it two chars
// longer than whatever its original contents are. Then a space is
// inserted between the subject and the message body. The total length
// of strlen($subject) + 2 + 1 + strlen($message) must be less than 160.
$extra_length = 3;
// two parenthesis and a space
// but in practice, there seems to be another 7 chars eaten up somewhere?
$extra_length += 7;
$url_length = strlen($responder_short_link);
$full_length = strlen($subject) + $extra_length + $url_length;
if ($full_length > $sms_max_length) {
// truncate the $subject since the link must be fully included
$subject = substr($subject, 0, $sms_max_length - $url_length - $extra_length);
}
wp_mail($smsemail, $subject, $responder_short_link, $headers);
}
}
}
}
/**
* Loads plugin componentry and calls that component's register()
* method. Called at the WordPress `init` hook.
*
* @uses WP_Buoy_Settings::register()
* @uses WP_Buoy_Team::register()
* @uses WP_Buoy_Notification::register()
* @uses WP_Buoy_User::register()
* @uses WP_Buoy_Alert::register()
*
* @return void
*/
public static function initialize()
{
require_once 'class-buoy-settings.php';
require_once 'class-buoy-user-settings.php';
require_once 'class-buoy-team.php';
require_once 'class-buoy-notification.php';
require_once 'class-buoy-user.php';
require_once 'class-buoy-alert.php';
if (!class_exists('WP_Screen_Help_Loader')) {
require_once 'includes/vendor/wp-screen-help-loader/class-wp-screen-help-loader.php';
}
WP_Buoy_Settings::register();
WP_Buoy_Team::register();
WP_Buoy_Notification::register();
WP_Buoy_User::register();
WP_Buoy_Alert::register();
}
