rodo/util.rkt

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2018-04-12 18:25:19 +00:00
#lang racket/base
(require racket/list
racket/file
racket/string
"config.rkt"
"io.rkt"
"messages.rkt")
(provide (all-defined-out))
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(define (d-hash-ref hash-list key)
(display (hash-ref hash-list key)))
(define (d-vector-ref args key)
(display (vector-ref args key)))
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(define (make-numbered lst)
(map
string-append
(map
number->string
(range (length lst)))
lst))
(define (add-spaces)
(lambda (lst)
(string-append ". " lst)))
(define (show-list-from-file)
(let
([path
(expand-user-path
(string-append
program-path
program-directory
program-file))])
(let
([todo-list
(file->lines path
#:mode 'text
#:line-mode 'linefeed)])
(display
(string-join
(make-numbered (map (add-spaces) todo-list))
"\n"
#:after-last "\n")))))
(define (show-list)
(if
(and
(check-for-folder)
(check-for-file))
(show-list-from-file)
(begin
(d-hash-ref messages 'file-not-found)
(d-hash-ref messages 'try-init))))
(define (add-item-to-file item)
(let ([item (string-append item "\n")])
(let
([path
(expand-user-path
(string-append
program-path
program-directory
program-file))])
(display-to-file item
path
#:mode 'text
#:exists 'append))))
(define (add-item args)
(if
(and
(check-for-folder)
(check-for-file))
(begin
(add-item-to-file (vector-ref args 1))
(d-hash-ref messages 'item-added-prefix)
(d-vector-ref args 1)
(d-hash-ref messages 'item-added-suffix))
(begin
(d-hash-ref messages 'file-not-found)
(d-hash-ref messages 'try-init))))
(define (remove-item args)
(if
(and
(check-for-folder)
(check-for-file))
(begin
;; TODO (remove-item-from-file (vector-ref args 1))
(d-hash-ref messages 'item-removed-prefix)
(d-vector-ref args 1)
(d-hash-ref messages 'item-removed-suffix))
(begin
(d-hash-ref messages 'file-not-found)
(d-hash-ref messages 'try-init))))