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org-trello-deferred.el
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org-trello-deferred.el
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;;; org-trello-deferred.el --- Deferred computations in org-trello
;; Copyright (C) 2015-2017 Antoine R. Dumont (@ardumont) <antoine.romain.dumont@gmail.com>
;; Author: Antoine R. Dumont (@ardumont) <antoine.romain.dumont@gmail.com>
;; Keywords:
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'dash)
(defun orgtrello-deferred--compute-deferred-computation (initial-state
fns
msg-log
&optional no-success-log)
"Given an INITIAL-STATE, thread the FNS together.
MSG-LOG is used in case of failure.
If NO-SUCCESS-LOG is set, do not execute the success message callback."
(let ((deferred-fns (-map (lambda (fn) `(deferred:nextc it ,fn)) fns)))
(if no-success-log
`(deferred:$
(deferred:next (lambda () ',initial-state))
,@deferred-fns
(deferred:error it
(orgtrello-controller-log-error ,msg-log "Error: %S")))
`(deferred:$
(deferred:next (lambda () ',initial-state))
,@deferred-fns
(deferred:nextc it
(orgtrello-controller-log-success ,msg-log))
(deferred:error it
(orgtrello-controller-log-error ,msg-log "Error: %S"))))))
(defun orgtrello-deferred-eval-computation (initial-state
fns
msg-log
&optional no-success-log)
"Given an INITIAL-STATE, thread the FNS together.
MSG-LOG is used in case of failure.
If NO-SUCCESS-LOG is set, do not execute the success message callback."
(orgtrello-log-msg orgtrello-log-info msg-log)
(->> (orgtrello-deferred--compute-deferred-computation initial-state
fns
msg-log
no-success-log)
eval))
(provide 'org-trello-deferred)
;;; org-trello-deferred.el ends here