add battery level & load setting by device.env

src/system_values.rs

@@ -2,10 +2,8 @@ use std::{
     env,
     process::Command,
 };
-use dotenv::dotenv;
 
 pub fn get_temperature() -> f32 {
-    dotenv().ok();
 
     let mut temperature = 0.0;
     let system = env::var("SYSTEM").unwrap().to_string();
@@ -53,7 +51,7 @@ pub fn get_storage() -> i8 {
     return storage;
 }
 
-pub fn get_mem() -> f32 {
+pub fn get_mem() -> i8 {
     let mem_command = Command::new("free")
     .arg("-m")
     .output().unwrap_or_else(|e| {
@@ -64,7 +62,25 @@ pub fn get_mem() -> f32 {
     let vec_mem : Vec<&str> = mem_string.split_whitespace().collect();
     let total =  vec_mem[7].parse::<f32>().unwrap();
     let mem_use =  vec_mem[8].parse::<f32>().unwrap();
-    let result = mem_use / total * 100.0 ;
+    let result = (mem_use / total * 100.0) as i8;
 
     return result;
+}
+
+pub fn get_battery() -> i8 {
+    let system = env::var("SYSTEM").unwrap().to_string();
+    let mut battery = 0;
+
+    if system == "ubuntu" {
+        let battery_command = Command::new("cat")
+        .arg("/sys/class/power_supply/BAT0/capacity")
+        .output().unwrap_or_else(|e| {
+            panic!("failed to execute process: {}", e)
+        });
+
+        let battery_string = &String::from_utf8_lossy(&battery_command.stdout);
+        battery = (&battery_string[..battery_string.len() - 1]).parse::<i8>().unwrap();
+    }
+
+    return battery;
 }