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<?php namespace TierPricingTable\Core; |
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class AdminNotifier { |
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const ERROR = 'error'; |
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const WARNING = 'warning'; |
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const SUCCESS = 'success'; |
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const INFO = 'info'; |
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|
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/** |
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* Notification key |
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* |
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* @var string |
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*/ |
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private $key = 'u2code_admin_notifications'; |
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|
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/** |
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* AdminNotifier constructor. |
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*/ |
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public function __construct() { |
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// Flash messages are processed on admin_init: the current user is not known yet when the plugin boots, |
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// and processing on every request would let a frontend visit consume a notice meant for an admin. |
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add_action( 'admin_init', array( $this, 'process' ) ); |
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} |
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|
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/** |
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* Per-user notification key. Resolved lazily so the current user is already determined. |
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* |
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* @return string |
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*/ |
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private function getKey(): string { |
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return $this->key . get_current_user_id(); |
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} |
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|
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/** |
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* Add message to show on admin_notices action |
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* |
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* @param string $message |
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* @param string $type |
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* @param bool $isDismissible |
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*/ |
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public function push( $message, $type = self::SUCCESS, $isDismissible = false ) { |
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$dismissible = $isDismissible ? 'is-dismissible' : ''; |
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add_action( 'admin_notices', function () use ( $message, $type, $dismissible ) { |
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echo "<div class='notice notice-" . esc_attr($type) . ' ' . esc_attr($dismissible) . "'><p>" . wp_kses_post($message) . '</p></div>'; |
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} ); |
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} |
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|
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/** |
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* Save flash message to show during next request |
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* |
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* @param string $message |
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* @param string $type |
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* @param bool $isDismissible |
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*/ |
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public function flash( $message, $type = self::SUCCESS, $isDismissible = false ) { |
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$message = array( 'message' => $message, 'type' => $type, 'dismissible' => $isDismissible ); |
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$messages = get_transient( $this->getKey() ); |
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if ( ! is_array( $messages ) ) { |
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$messages = array(); |
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} |
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$messages[] = $message; |
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set_transient( $this->getKey(), $messages, MINUTE_IN_SECONDS ); |
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} |
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|
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/** |
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* Show flash messages |
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*/ |
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public function process() { |
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$messages = get_transient( $this->getKey() ); |
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|
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//Resolve conflict with background process |
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if ( ! wp_doing_ajax() ) { |
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if ( is_array( $messages ) ) { |
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|
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delete_transient( $this->getKey() ); |
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foreach ( $messages as $message ) { |
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$this->push( $message['message'], $message['type'], $message['dismissible'] ); |
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} |
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} |
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} |
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} |
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} |
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