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;; SPDX-License-Identifier: EUPL-1.2
;; SPDX-FileCopyrightText: 2025 Uko Kokņevičs <perkontevs@gmail.com>
(defpackage :ukkoclot/transport
(:use :c2cl)
(:import-from :anaphora :aand :acond :it)
(:import-from :cl+ssl)
(:import-from :dex)
(:import-from :log)
(:import-from :ukkoclot/serializing :fixup-args :parse-value)
(:import-from :ukkoclot/state :bot-base-uri)
(:local-nicknames
(:jzon :com.inuoe.jzon))
(:export :do-call))
(in-package :ukkoclot/transport)
(defun req (uri method content)
(let ((retrier (dex:retry-request 5 :interval 1))
;; This is needed to avoid hangs,
;; see https://github.com/fukamachi/dexador/issues/91#issuecomment-1093472364
(cl+ssl:*default-unwrap-stream-p* nil))
(handler-case (dex:request uri :method method :content content :read-timeout 60 :connect-timeout 60)
;; We deal with too many requests manually
(dex:http-request-too-many-requests (e) (dex:ignore-and-continue e))
(dex:http-request-failed (e) (funcall retrier e))
(cl+ssl::ssl-error (e) (funcall retrier e)))))
(defun do-call% (method uri out-type args-encoded)
(let ((body (req uri method args-encoded)))
(let ((hash (jzon:parse body)))
(acond
((gethash "ok" hash) (parse-value out-type (gethash "result" hash)))
((aand (gethash "parameters" hash)
(gethash "retry_after" it))
(log:info "Should sleep for ~A seconds" it)
(sleep it)
(log:info "Good morning!")
(do-call% method uri out-type args-encoded))
(t (error "TG error ~A: ~A ~:A"
(gethash "error_code" hash)
(gethash "description" hash)
(gethash "parameters" hash)))))))
(defun do-call (bot method path out-type args)
(let ((uri (concatenate 'string (bot-base-uri bot) path))
(args-encoded (fixup-args args)))
(log:debug "~A .../~A ~S" method path args-encoded)
(do-call% method uri out-type args-encoded)))
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