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(module telebot (get-me
get-updates
send-message
forward-message)
(import chicken scheme)
(use srfi-1)
(use openssl)
(use http-client)
(use medea)
(define api-base "https://api.telegram.org/bot")
;;; helper functions
(define (get-query-url token method)
(string-append api-base token "/" method))
(define (clean-query-parameters parameters)
(let ((cleaned-parameters (remove (lambda (p) (equal? #f (cdr p)))
parameters)))
(if (null-list? cleaned-parameters)
#f
cleaned-parameters)))
;;; plain API wrappers, returning deserialized JSON
(define (get-me token)
(with-input-from-request (get-query-url token "getMe")
#f
read-json))
(define (get-updates token
#!key offset
limit
timeout)
(with-input-from-request
(get-query-url token "getUpdates")
(clean-query-parameters
(list (cons 'offset offset)
(cons 'limit limit)
(cons 'timeout timeout)))
read-json))
(define (send-message token
#!key chat-id
text
parse-mode
disable-web-page-preview
disable-notification
reply-to-message-id
reply-markup)
(with-input-from-request
(get-query-url token "sendMessage")
(clean-query-parameters
(list (cons 'chat_id chat-id)
(cons 'text text)
(cons 'parse_mode parse-mode)
(cons 'disable_web_page_preview disable-web-page-preview)
(cons 'disable_notification disable-notification)
(cons 'reply_to_message_id reply-to-message-id)
(cons 'reply_markup reply-markup)))
read-json))
(define (forward-message token
#!key chat-id
from-chat-id
message-id
disable-notification)
(with-input-from-request
(get-query-url token "forwardMessage")
(list (cons 'chat_id chat-id)
(cons 'from_chat_id from-chat-id)
(cons 'message_id message-id)
(cons 'disable_notification disable-notification))
read-json))
)
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