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;; disfluid, implementation of the Solid specification
;; Copyright (C) 2021 Vivien Kraus
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU Affero 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 Affero General Public License for more details.
;; You should have received a copy of the GNU Affero General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
(define-module (webid-oidc parameters)
#:use-module (srfi srfi-19)
#:use-module (webid-oidc jti)
#:export (data-home cache-home current-date)
#:declarative? #t)
(define data-home
(make-parameter
(format #f "~a/disfluid"
(or (getenv "XDG_DATA_HOME")
(format #f "~a/.local/share"
(getenv "HOME"))))))
(define cache-home
(make-parameter
(format #f "~a/disfluid"
(or (getenv "XDG_CACHE_HOME")
(format #f "~a/.cache"
(getenv "HOME"))))))
(define current-date
;; This parameter is a thunk!
(make-parameter
(lambda ()
(time-utc->date (current-time)))
(lambda (thunk)
(lambda ()
(let ((date (if (thunk? thunk)
(thunk)
thunk)))
(when (integer? date)
(set! date (make-time time-utc 0 date)))
(when (time? date)
(set! date (time-utc->date date)))
date)))))
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