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(module telebot (getMe
getUpdates
sendMessage
sendLocation
sendChatAction
forwardMessage
getUserProfilePhotos)
(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-syntax wrap-api-method
(syntax-rules ()
((wrap-api-method method(parameters ...))
(define (method
token
#!key parameters ...)
(with-input-from-request
(get-query-url token (symbol->string 'method))
(clean-query-parameters
(map (lambda (l) (cons (first l) (second l)))
(zip '(parameters ...)
(list parameters ...))))
read-json)))))
(wrap-api-method getMe())
(wrap-api-method getUpdates(offset limit timeout))
(wrap-api-method sendMessage(chat_id
text
parse_mode
disable_web_page_preview
disable_notification
reply_to_message_id
reply_markup))
(wrap-api-method sendLocation(chat_id
latitude
longitude
disable_notification
reply_to_message_id
reply_markup))
(wrap-api-method sendChatAction(chat_id action))
(wrap-api-method forwardMessage(chat_id
from_chat_id
message_id
disable_notification))
(wrap-api-method getUserProfilePhotos(user_id
offset
limit))
)
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