Struct PreCheckoutQueryHandler 

pub struct PreCheckoutQueryHandler { /* private fields */ }

Handler for Update.pre_checkout_query.

Without a pattern, any pre-checkout query matches. With a pattern, only queries whose invoice_payload matches the regex are accepted.

Implementations

impl PreCheckoutQueryHandler

pub fn new( callback: HandlerCallback, pattern: Option<Regex>, block: bool, ) -> Self

Create a new PreCheckoutQueryHandler.

Trait Implementations

impl Handler for PreCheckoutQueryHandler

fn check_update(&self, update: &Update) -> Option<MatchResult>

Determine whether this handler is interested in update.

fn handle_update( &self, update: Arc<Update>, match_result: MatchResult, ) -> Pin<Box<dyn Future<Output = HandlerResult> + Send>>

Process the update. Called only when check_update returned Some.

fn block(&self) -> bool

Whether the application should block on this handler’s future before dispatching to the next handler group.

fn collect_additional_context( &self, _context: &mut CallbackContext, _match_result: &MatchResult, )

Populate additional context fields (e.g. context.args, context.matches) from the match result before the handler callback is invoked.

fn handle_update_with_context( &self, update: Arc<Update>, match_result: MatchResult, _context: CallbackContext, ) -> Pin<Box<dyn Future<Output = HandlerResult> + Send>>

Process the update with an Application-provided CallbackContext.