'string',
'default' => '',
'sanitize_callback' => 'apar_chatbot_sanitize_key',
)
);
register_setting(
'apar_chatbot',
APAR_CHATBOT_CREDIT,
array(
'type' => 'boolean',
'default' => false,
'sanitize_callback' => 'apar_chatbot_sanitize_credit',
)
);
}
add_action( 'admin_init', 'apar_chatbot_register_setting' );
/**
* Add Settings > Apar Chatbot.
*/
function apar_chatbot_add_page() {
add_options_page(
__( 'Apar Chatbot', 'apar-chatbot' ),
__( 'Apar Chatbot', 'apar-chatbot' ),
'manage_options',
'apar-chatbot',
'apar_chatbot_render_page'
);
}
add_action( 'admin_menu', 'apar_chatbot_add_page' );
/**
* Add a Settings link beside Deactivate on the Plugins screen.
*
* @param string[] $links The plugin's links.
* @return string[] The links, with Settings first.
*/
function apar_chatbot_action_links( $links ) {
$url = admin_url( 'options-general.php?page=apar-chatbot' );
array_unshift( $links, '' . esc_html__( 'Settings', 'apar-chatbot' ) . '' );
return $links;
}
add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), 'apar_chatbot_action_links' );
/**
* On the Plugins screen only, say what to do next until a key is saved.
*/
function apar_chatbot_setup_notice() {
$screen = function_exists( 'get_current_screen' ) ? get_current_screen() : null;
if ( ! $screen || 'plugins' !== $screen->id || ! current_user_can( 'manage_options' ) ) {
return;
}
if ( '' !== apar_chatbot_clean_key( get_option( APAR_CHATBOT_OPTION, '' ) ) ) {
return;
}
$url = admin_url( 'options-general.php?page=apar-chatbot' );
echo '';
}
add_action( 'admin_notices', 'apar_chatbot_setup_notice' );
/**
* Ask the chatbot service whether this key works on this website. Only runs on the settings page,
* after the owner has saved a key, and only sends the key and this website's address.
*
* @param string $key The saved key.
* @return array{state:string,name?:string} ok, not_found, domain, off or unreachable.
*/
function apar_chatbot_check_key( $key ) {
$cached = get_transient( APAR_CHATBOT_CHECK );
if ( is_array( $cached ) && isset( $cached['key'], $cached['result'] ) && $cached['key'] === $key ) {
return $cached['result'];
}
$url = add_query_arg(
'host',
rawurlencode( (string) wp_parse_url( home_url(), PHP_URL_HOST ) ),
sprintf( APAR_CHATBOT_CONFIG, rawurlencode( $key ) )
);
$response = wp_remote_get( $url, array( 'timeout' => 5 ) );
if ( is_wp_error( $response ) ) {
// Not remembered: the next visit asks again.
return array( 'state' => 'unreachable' );
}
$code = (int) wp_remote_retrieve_response_code( $response );
$body = json_decode( wp_remote_retrieve_body( $response ), true );
$body = is_array( $body ) ? $body : array();
if ( 200 === $code ) {
$name = isset( $body['website']['name'] ) ? (string) $body['website']['name'] : '';
$result = array(
'state' => 'ok',
'name' => $name,
);
} elseif ( 403 === $code && isset( $body['error_code'] ) && 'DOMAIN_NOT_ALLOWED' === $body['error_code'] ) {
$result = array( 'state' => 'domain' );
} elseif ( 403 === $code && isset( $body['error_code'] ) && 'WIDGET_INACTIVE' === $body['error_code'] ) {
$result = array( 'state' => 'off' );
} elseif ( 401 === $code || 403 === $code || 404 === $code ) {
$result = array( 'state' => 'not_found' );
} else {
return array( 'state' => 'unreachable' );
}
set_transient(
APAR_CHATBOT_CHECK,
array(
'key' => $key,
'result' => $result,
),
5 * MINUTE_IN_SECONDS
);
return $result;
}
/**
* The line under the key: does the key work on this website?
*
* @param string $key The saved key.
*/
function apar_chatbot_render_status( $key ) {
$check = apar_chatbot_check_key( $key );
$host = (string) wp_parse_url( home_url(), PHP_URL_HOST );
switch ( $check['state'] ) {
case 'ok':
$class = 'notice-success';
$text = '' !== $check['name']
/* translators: %s: the website's name in the chatbot dashboard. */
? sprintf( __( 'Connected to %s. The chat button now shows on every page of this website. If you use a caching plugin, clear its cache.', 'apar-chatbot' ), $check['name'] )
: __( 'Connected. The chat button now shows on every page of this website. If you use a caching plugin, clear its cache.', 'apar-chatbot' );
break;
case 'domain':
$class = 'notice-error';
/* translators: %s: this website's address. */
$text = sprintf( __( 'This key is refused on %s. Add this address to Allowed Domains in Chat Window, in your chatbot dashboard.', 'apar-chatbot' ), $host );
break;
case 'off':
$class = 'notice-warning';
$text = __( 'This chat is switched off in your chatbot dashboard, so visitors don\'t see it.', 'apar-chatbot' );
break;
case 'not_found':
$class = 'notice-error';
$text = __( 'We can\'t find this key. Copy it again from Install in your chatbot dashboard.', 'apar-chatbot' );
break;
default:
$class = 'notice-warning';
$text = __( 'We couldn\'t reach the chatbot service to check this key. The chat may still work: open your website to see.', 'apar-chatbot' );
}
echo '' . esc_html( $text ) . '