;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu installer newt user)
#:use-module (gnu installer user)
#:use-module (gnu installer newt page)
#:use-module (gnu installer newt utils)
#:use-module (guix i18n)
#:use-module (newt)
#:use-module (ice-9 match)
#:use-module (ice-9 receive)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (run-user-page))
(define (run-user-add-page)
(define (pad-label label)
(string-pad-right label 20))
(let* ((label-name
(make-label -1 -1 (pad-label (G_ "Name"))))
(label-home-directory
(make-label -1 -1 (pad-label (G_ "Home directory"))))
(entry-width 30)
(entry-name (make-entry -1 -1 entry-width))
(entry-home-directory (make-entry -1 -1 entry-width))
(entry-grid (make-grid 2 2))
(button-grid (make-grid 1 1))
(ok-button (make-button -1 -1 (G_ "OK")))
(grid (make-grid 1 2))
(title (G_ "User creation"))
(set-entry-grid-field
(cut set-grid-field entry-grid <> <> GRID-ELEMENT-COMPONENT <>))
(form (make-form)))
(set-entry-grid-field 0 0 label-name)
(set-entry-grid-field 1 0 entry-name)
(set-entry-grid-field 0 1 label-home-directory)
(set-entry-grid-field 1 1 entry-home-directory)
(set-grid-field button-grid 0 0 GRID-ELEMENT-COMPONENT ok-button)
(add-component-callback
entry-name
(lambda (component)
(set-entry-text entry-home-directory
(string-append "/home/" (entry-value entry-name)))))
(add-components-to-form form
label-name label-home-directory
entry-name entry-home-directory
ok-button)
(make-wrapped-grid-window (vertically-stacked-grid
GRID-ELEMENT-SUBGRID entry-grid
GRID-ELEMENT-SUBGRID button-grid)
title)
(let ((error-page
(lambda ()
(run-error-page (G_ "Empty inputs are not allowed.")
(G_ "Empty input")))))
(receive (exit-reason argument)
(run-form form)
(dynamic-wind
(const #t)
(lambda ()
(when (eq? exit-reason 'exit-component)
(cond
((components=? argument ok-button)
(let ((name (entry-value entry-name))
(home-directory (entry-value entry-home-directory)))
(if (or (string=? name "")
(string=? home-directory ""))
(begin
(error-page)
(run-user-add-page))
(user
(name name)
(home-directory home-directory))))))))
(lambda ()
(destroy-form-and-pop form)))))))
(define (run-user-page)
(define (run users)
(let* ((listbox (make-listbox
-1 -1 10
(logior FLAG-SCROLL FLAG-BORDER)))
(info-textbox
(make-reflowed-textbox
-1 -1
(G_ "Please add at least one user to system\
using the 'Add' button.")
40 #:flags FLAG-BORDER))
(add-button (make-compact-button -1 -1 (G_ "Add")))
(del-button (make-compact-button -1 -1 (G_ "Delete")))
(listbox-button-grid
(apply
vertically-stacked-grid
GRID-ELEMENT-COMPONENT add-button
`(,@(if (null? users)
'()
(list GRID-ELEMENT-COMPONENT del-button)))))
(ok-button (make-button -1 -1 (G_ "OK")))
(exit-button (make-button -1 -1 (G_ "Exit")))
(title "User creation")
(grid
(vertically-stacked-grid
GRID-ELEMENT-COMPONENT info-textbox
GRID-ELEMENT-SUBGRID (horizontal-stacked-grid
GRID-ELEMENT-COMPONENT listbox
GRID-ELEMENT-SUBGRID listbox-button-grid)
GRID-ELEMENT-SUBGRID (horizontal-stacked-grid
GRID-ELEMENT-COMPONENT ok-button
GRID-ELEMENT-COMPONENT exit-button)))
(sorted-users (sort users (lambda (a b)
(string<= (user-name a)
(user-name b)))))
(listbox-elements
(map
(lambda (user)
`((key . ,(append-entry-to-listbox listbox
(user-name user)))
(user . ,user)))
sorted-users))
(form (make-form)))
(add-form-to-grid grid form #t)
(make-wrapped-grid-window grid title)
(if (null? users)
(set-current-component form add-button)
(set-current-component form ok-button))
(receive (exit-reason argument)
(run-form form)
(dynamic-wind
(const #t)
(lambda ()
(when (eq? exit-reason 'exit-component)
(cond
((components=? argument add-button)
(run (cons (run-user-add-page) users)))
((components=? argument del-button)
(let* ((current-user-key (current-listbox-entry listbox))
(users
(map (cut assoc-ref <> 'user)
(remove (lambda (element)
(equal? (assoc-ref element 'key)
current-user-key))
listbox-elements))))
(run users)))
((components=? argument ok-button)
(when (null? users)
(run-error-page (G_ "Please create at least one user.")
(G_ "No user"))
(run users))
users))))
(lambda ()
(destroy-form-and-pop form))))))
(run '()))