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|
use super::{Context, Module, SegmentConfig};
use crate::config::RootModuleConfig;
use crate::configs::cmd_duration::CmdDurationConfig;
/// Outputs the time it took the last command to execute
///
/// Will only print if last command took more than a certain amount of time to
/// execute. Default is two seconds, but can be set by config option `min_time`.
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module("cmd_duration");
let config: CmdDurationConfig = CmdDurationConfig::try_load(module.config);
let props = &context.properties;
let elapsed = props
.get("cmd_duration")
.unwrap_or(&"invalid_time".into())
.parse::<u128>()
.ok()?;
/* TODO: Once error handling is implemented, warn the user if their config
min time is nonsensical */
if config.min_time < 0 {
log::debug!(
"[WARN]: min_time in [cmd_duration] ({}) was less than zero",
config.min_time
);
return None;
}
let config_min = config.min_time as u128;
let module_color = match elapsed {
time if time < config_min => return None,
_ => config.style,
};
module.set_style(module_color);
module.create_segment(
"cmd_duration",
&SegmentConfig::new(&render_time(elapsed, config.show_milliseconds)),
);
module.get_prefix().set_value(config.prefix);
Some(module)
}
// Render the time into a nice human-readable string
fn render_time(raw_millis: u128, show_millis: bool) -> String {
// Calculate a simple breakdown into days/hours/minutes/seconds/milliseconds
let (millis, raw_seconds) = (raw_millis % 1000, raw_millis / 1000);
let (seconds, raw_minutes) = (raw_seconds % 60, raw_seconds / 60);
let (minutes, raw_hours) = (raw_minutes % 60, raw_minutes / 60);
let (hours, days) = (raw_hours % 24, raw_hours / 24);
let components = [days, hours, minutes, seconds];
let suffixes = ["d", "h", "m", "s"];
let mut rendered_components: Vec<String> = components
.iter()
.zip(&suffixes)
.map(render_time_component)
.collect();
if show_millis || raw_millis < 1000 {
rendered_components.push(render_time_component((&millis, &"ms")));
}
rendered_components.join("")
}
/// Render a single component of the time string, giving an empty string if component is zero
fn render_time_component((component, suffix): (&u128, &&str)) -> String {
match component {
0 => String::new(),
n => format!("{}{}", n, suffix),
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_500ms() {
assert_eq!(render_time(500 as u128, true), "500ms")
}
#[test]
fn test_10s() {
assert_eq!(render_time(10_000 as u128, true), "10s")
}
#[test]
fn test_90s() {
assert_eq!(render_time(90_000 as u128, true), "1m30s")
}
#[test]
fn test_10110s() {
assert_eq!(render_time(10_110_000 as u128, true), "2h48m30s")
}
#[test]
fn test_1d() {
assert_eq!(render_time(86_400_000 as u128, true), "1d")
}
}
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