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;;; wasp-heartrate --- Heartbeat heartbreak it keeps on pounding -*- lexical-binding: t; -*-
;;; Commentary:
;;; Code:
(require 'dash)
(require 's)
(require 'f)
(require 'ht)
(require 'wasp-utils)
(require 'wasp-chat)
(defun w/get-load ()
"Get the current CPU load."
(let ((res (shell-command-to-string "uptime")))
(string-to-number (s-trim (car (s-split "," (cadr (s-split "load average:" res))))))))
(defun w/get-disk-usage (disk)
"Get the current usage percent for DISK"
(let ((res (shell-command-to-string (format "df %s" disk))))
(string-to-number (s-chop-suffix "%" (nth 4 (s-split " " (cadr (s-lines res)) t))))))
(defun w/get-heartrate ()
"Get the streamer's heart rate."
(* 100 (w/get-load)))
(defun w/get-blood-pressure ()
"Get the streamer's blood pressure."
(format "%s/%s" (w/get-disk-usage "/") (w/get-disk-usage "/home")))
(defface w/heartrate-big
'((t
:foreground "white"
:height 700
))
"Face for big heartrate."
:group 'wasp)
(defface w/heartrate-small
'((t
:foreground "white"
))
"Face for small heartrate disclaimer."
:group 'wasp)
(defcustom w/heartrate-buffer "*wasp-heartrate*"
"Name of buffer used to display heartrate."
:type '(string)
:group 'wasp)
(define-derived-mode w/heartrate-mode special-mode "heartrate"
"Major mode for displaying heartrate."
:group 'w
(setq-local cursor-type nil))
(defun w/get-heartrate-buffer ()
"Return the heartrate buffer."
(unless (get-buffer w/heartrate-buffer)
(with-current-buffer (get-buffer-create w/heartrate-buffer)
(w/heartrate-mode)))
(get-buffer w/heartrate-buffer))
(defun w/render-heartrate ()
"Render the heartrate buffer."
(with-current-buffer (w/get-heartrate-buffer)
(setq-local cursor-type nil)
(let* ((inhibit-read-only t))
(erase-buffer)
(w/write-line (format "%3d bpm" (w/get-heartrate)) 'w/heartrate-big)
(w/write-line (format "blood pressure: %s" (w/get-blood-pressure)) 'w/heartrate-small)
(w/write (format "arbitrary counter: %s times" w/chat-bpm-count) 'w/heartrate-small))))
(defvar w/heartrate-timer nil)
(defun w/run-heartrate-timer ()
"Run the heartrate timer."
(when w/heartrate-timer
(cancel-timer w/heartrate-timer))
(w/render-heartrate)
(setq
w/heartrate-timer
(run-with-timer 1 nil #'w/run-heartrate-timer)))
(w/run-heartrate-timer)
(provide 'wasp-heartrate)
;;; wasp-heartrate.el ends here
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