backing this mess up for now

cleanup
m455 2020-06-14 23:52:12 -04:00
parent b3824baba4
commit da77be104d
1 changed files with 119 additions and 39 deletions

View File

@ -1,17 +1,46 @@
#lang racket #lang racket
;; ------------------------------------------------
;; values
;; ------------------------------------------------
(define nicethings-string ".nicethings")
(define home-directory (find-system-path 'home-dir))
(define listof-home-contents (directory-list home-directory))
(define nicethings-path-local (build-path home-directory nicethings-string))
;; ------------------------------------------------ ;; ------------------------------------------------
;; messages ;; messages
;; ------------------------------------------------ ;; ------------------------------------------------
(define messages (define messages
(hash (hash
'not-found "'~a' wasn't found." 'not-found "> '~a' wasn't found."
'repair-prompt "You will need it to use nicethings.\nDo you want to create it? [y/n]\n> " 'repair-prompt "> You will need it to use nicethings.\n> Do you want to create it? [y/n]\n> "
'fake-file-found "The directory '~a' was found.\nPlease move this file somewhere else before using nicethings." 'fake-file-found "> The directory '~a' was found.\n> Please move this file somewhere else before using nicethings."
'not-a-command "Error: '~a' is not a command." 'try (list "> For usage help, try running the following command:"
'cancel-creation "Cancelled nicethings file creation." "nicethings --help")
'file-created "'~a' was successfully created." 'cancel-creation "> Cancelled nicethings file creation."
'not-an-option "Error: '~a' is not an option.")) 'file-created "> '~a' was successfully created."
'not-an-option "> Error: '~a' is not an option."
'add-expected-arg (list "> Error: Found 'add', but no arguments were found."
"> The 'add' command expects one quoted argument after it."
"> Example:"
"nicethings add \"You are beautiful\".")
'rm-expected-arg (list "> Error: Found 'rm', but no arguments were found."
"> The 'rm' command expects one number as an argument after it."
"> Example:"
"nicethings rm 2"
"> Note: You may need to use the 'ls' command to see which number correlates to which message.")
'ls-expected-no-args (list "> Error: Found 'ls', but also found other arguments."
"> The 'ls' command expects no arguments after it."
"> Example:"
"nicethings ls")
;; I don't currently use this message yet:
'rm-expected-number (list "> Error: Found '~a' after 'rm'."
"> The 'rm' command expects one number as an argument after it."
"> Example:"
"nicethings rm 2"
"> Note: You may need to use the 'ls' command to see which number correlates to which message.")
'added "> Added '~a' to the list."))
;; ------------------------------------------------ ;; ------------------------------------------------
;; helpers ;; helpers
@ -28,42 +57,84 @@
;; ------------------------------------------------ ;; ------------------------------------------------
;; repair ;; repair
;; ------------------------------------------------ ;; ------------------------------------------------
(define (repair/not-an-option user-input)
(displayln-format (messages-ref 'not-an-option) user-input)
(exit))
(define (repair/cancel) (define (repair/cancel)
(displayln (messages-ref 'cancel-creation)) (displayln (messages-ref 'cancel-creation))
(exit)) (exit))
;; Check for a "fake" '.nicethings' file, ;; Check for a "fake" '.nicethings' file,
;; which is a directory named '.nicethings' ;; which is a directory named '.nicethings'
(define (repair/start dot-nicethings-path) (define (repair/start)
(if (directory-exists? dot-nicethings-path) (if (directory-exists? nicethings-path-local)
(displayln-format (messages-ref 'fake-file-found) dot-nicethings-path) (begin (displayln-format (messages-ref 'fake-file-found) nicethings-path-local)
(begin (close-output-port (open-output-file dot-nicethings-path)) (exit))
(displayln-format (messages-ref 'file-created) dot-nicethings-path)))) (begin (close-output-port (open-output-file nicethings-path-local))
(displayln-format (messages-ref 'file-created) nicethings-path-local))))
(define (repair/prompt dot-nicethings-path) (define (repair/prompt)
(display (messages-ref 'repair-prompt)) (display (messages-ref 'repair-prompt))
(let ([user-input (read-line)]) (let ([user-input (read-line)])
(case (string->symbol user-input) (case (string->symbol user-input)
['y (repair/start dot-nicethings-path)] ['y (repair/start)]
['n (repair/cancel)] ['n (repair/cancel)]
[else (displayln-format (messages-ref 'not-an-option) user-input)]))) [else (repair/not-an-option user-input)])))
(define (repair) (define (repair)
(let* ([dot-nicethings-string ".nicethings"] (when (not (file-exists? nicethings-path-local))
[home-directory (find-system-path 'home-dir)] (displayln-format (messages-ref 'not-found) nicethings-path-local)
[listof-home-contents (directory-list home-directory)] (repair/prompt)))
[dot-nicethings-path (build-path home-directory dot-nicethings-string)])
(when (not (file-exists? dot-nicethings-path)) ;; ------------------------------------------------
(displayln-format (messages-ref 'not-found) dot-nicethings-path) ;; add message
(repair/prompt dot-nicethings-path)))) ;; ------------------------------------------------
;; The string-cleaned and -remade is incase there
;; are multiple newline characters. This ensures
;; there is only one newline character.
(define (add string)
(repair)
(let* ([string-no-newline (string-replace string "\n" "")]
[string-newline (string-append string-no-newline "\n")])
;; tell user item was added
(display-to-file string-newline
nicethings-path-local
#:exists 'append)
(displayln-format (messages-ref 'added) string-no-newline)))
;; ------------------------------------------------ ;; ------------------------------------------------
;; random message ;; random message
;; ------------------------------------------------ ;; ------------------------------------------------
(define (random) ;; The +1 includes the last element in the list
;; (let* ([home (get-environment-variable "HOME")] (define (random-message)
;; [listof-home-contents (directory home #t)]) (repair)
(repair)) ;; TODO: Don't use local path here. turn into global
;; Algo:
;; gather all directories in /home/ -> list
;; filter file-exists? /home/directory/.nicethings -> list
;; NOTES:
;; /home
;;(define root-home (build-path (find-system-path 'sys-dir) "home"))
;; '(/home/username _ ...)
;;(map path->complete-path (directory-list root-home))
;;;;;;;;;;;;;;
;; NOTES2:
;;(define root-home (build-path (find-system-path 'sys-dir) "home"))
;;(map (lambda (x) (build-path root-home x)) (directory-list root-home))
;;;;;;;;;;;;
(let* ([root-home (build-path (find-system-path 'sys-dir) "home")]
[paths-to-nicethings (map (lambda (home-directory) (build-path root-home home-directory nicethings-string))
(directory-list root-home))])
(filter (lambda (x) (file-exists? x)) paths-to-nicethings)))
;; [listof-paths (map (lambda (path) (filter file-exists? path)) paths-to-nicethings)])
;; (when (not (zero? list-length))
;; (let* ([random-number (random list-length)]
;; [random-nicething (list-ref listof-nicethings random-number)])
;; (displayln random-nicething)))))
;; ------------------------------------------------ ;; ------------------------------------------------
;; help ;; help
;; ------------------------------------------------ ;; ------------------------------------------------
@ -73,10 +144,10 @@
" town nicethings [<command>] [<args>]" " town nicethings [<command>] [<args>]"
"" ""
"Commands:" "Commands:"
" No command - Print a random message." " No command - Print a random nice thing."
" add - Add a message to the list of messages." " add - Add a message to the list of nice things."
" ls - Print a numbered list of the messages you have added." " ls - Print a numbered list of the nice things you have added."
" rm - Remove a message from the list of messages." " rm - Remove a message you have added from the list of nice things."
"" ""
"Examples:" "Examples:"
" town nicethings" " town nicethings"
@ -85,15 +156,24 @@
" town rm 2")) " town rm 2"))
(define (process-args vectorof-args) (define (process-args vectorof-args)
(define (args-ref number)
(vector-ref vectorof-args number))
(define (display-message key)
(apply displayln-for (messages-ref key)))
(match vectorof-args (match vectorof-args
[(or (vector "-h") ;; Proper usage
(vector "--help") [(or '#("-h")
(vector "help")) (help)] '#("--help")
[(vector "add" _) (displayln "todo: make add procedure")] '#("help")) (help)]
[(vector "ls") (displayln "todo: make ls procedure")] [(vector "add" _) (add (args-ref 1))]
[(vector "rm" _) (displayln "todo: make rm procedure")] [(vector "rm" _) (displayln "todo: make rm procedure")]
[(vector _) (displayln-format (messages-ref 'not-a-command) (vector-ref vectorof-args 0))] [(vector "ls") (displayln "todo: make ls procedure")]
[_ (random)])) [(vector) (random-message)]
;; Improper usage (Give the user hints if part of the usage is correct)
[(vector "ls" _) (display-message 'ls-expected-no-args)]
[(vector "add") (display-message 'add-expected-arg)]
[(vector "rm") (display-message 'rm-expected-arg)]
[(vector _ ...) (display-message 'try)]))
(define (main vectorof-args) (define (main vectorof-args)
(process-args vectorof-args)) (process-args vectorof-args))