i dont remember what i did in this one
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							| @ -1,30 +1,42 @@ | ||||
| #! /usr/bin/env racket | ||||
| #lang racket/base | ||||
| (require json) | ||||
| 
 | ||||
| ;; set the name of the program here | ||||
| (define program-name "rodo") | ||||
| 
 | ||||
| ;; set which path the program will live in | ||||
| (define program-path "~/.") | ||||
| 
 | ||||
| ;; because I don't want to type `(display (hash-ref...` over and over again | ||||
| (define (displayln-hash-ref hash-list key) | ||||
|   (displayln (hash-ref hash-list key))) | ||||
| 
 | ||||
| ;; define all messages for quick access | ||||
| (define messages  | ||||
|   (hash  | ||||
|     'incorrect-usage (string-append "> For usage type `" program-name " -h` or `" program-name " --help`") | ||||
|     'file-not-found (string-append "> " program-name " has not been setup in your home directory\n> Would you like to set it up now? [y/n]") | ||||
|     'file-exists (string-append "> ." program-name " file exists") | ||||
|     'creating-file (string-append "> Creating ." program-name " file in your home directory...") | ||||
|     'item-added "> Item added" | ||||
|     'item-removed "> Item removed" | ||||
|      | ||||
|     ;; temporary thing | ||||
|     'item-added (string-append "> Added ")  | ||||
| 
 | ||||
|     ;; todo change `item` to command-line argument for add and remove | ||||
|     ;; 'item-added (string-append "> Added " (vector-ref (current-command-line-arguments) 1))  | ||||
|     ;; 'item-removed "> Item removed" ;; todo change `item` to command-line argument | ||||
|     'initializing (string-append "> Initializing " program-name " in your home directory") | ||||
|     'terminating (string-append "> Terminating " program-name "...") | ||||
|     'terminating (string-append "> Exiting " program-name "...") | ||||
|     'choose-y/n "> Error: Please choose y or n")) | ||||
| 
 | ||||
| ;; some possible user-input related "mistakes" that will be accepted for input | ||||
| (define y/n  | ||||
|   (hash | ||||
|     'yes '("yes" "Yes" "y" "Y") | ||||
|     'no '("no" "No" "n" "N"))) | ||||
| 
 | ||||
| ;; yet again, less typing for opening a file | ||||
| (define (open/create-file path) | ||||
|   (let ([path (expand-user-path path)]) | ||||
|     (let ([opened-file (open-output-file path | ||||
| @ -32,6 +44,7 @@ | ||||
|                                          #:exists 'can-update)]) | ||||
|       (close-output-port opened-file)))) | ||||
| 
 | ||||
| ;; talk with user if something goes wrong/right  | ||||
| (define (prompt-user prompt-message) | ||||
|   (displayln-hash-ref messages prompt-message) | ||||
|   (display "> ") | ||||
| @ -46,9 +59,25 @@ | ||||
|         (displayln-hash-ref messages 'choose-y/n) | ||||
|         (prompt-user 'file-not-found)]))) | ||||
| 
 | ||||
| (define (add-to-list args) | ||||
|   ;; (let ([item (vector-ref args 1)]) | ||||
|   (displayln-hash-ref messages 'item-added)) | ||||
| 
 | ||||
| (define (check-args args) | ||||
|   (vector-length (args))) | ||||
| 
 | ||||
| (define (todo-list-exist?) | ||||
|   (if (file-exists? (expand-user-path (string-append program-path program-name))) | ||||
|     (displayln-hash-ref messages 'file-exists) | ||||
|     (prompt-user 'file-not-found))) | ||||
| 
 | ||||
| ;; todo get command-line args | ||||
| #|(define (todo-list-exist?) | ||||
|     (if (file-exists? (expand-user-path (string-append program-path program-name))) | ||||
|       (begin | ||||
|         (displayln-hash-ref messages 'file-exists) | ||||
|         (add-to-list (current-command-line-arguments))) | ||||
|       (prompt-user 'file-not-found))) | ||||
| |# | ||||
| 
 | ||||
| (todo-list-exist?) | ||||
|  | ||||
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