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use console::style;
use emoji;
use indicatif::{ProgressBar, ProgressStyle};
use parking_lot::RwLock;
use std::fmt;
pub struct ProgressOutput {
spinner: RwLock<ProgressBar>,
messages: RwLock<String>,
}
impl ProgressOutput {
pub fn new() -> Self {
Self {
spinner: RwLock::new(ProgressBar::new_spinner()),
messages: RwLock::new(String::from("")),
}
}
pub fn step(&self, step: &Step, message: &str) {
let msg = format!("{} {}", style(step).bold().dim(), message);
self.message(&msg)
}
fn finish(&self) {
let spinner = self.spinner.read();
spinner.finish();
let mut message = self.messages.write();
print!("{}", *message);
message.clear();
}
pub fn message(&self, message: &str) {
self.finish();
let mut spinner = self.spinner.write();
*spinner = Self::progressbar(message);
}
fn add_message(&self, msg: &str) {
let mut message = self.messages.write();
message.push_str(" ");
message.push_str(msg);
message.push('\n');
}
pub fn info(&self, message: &str) {
let info = format!(
"{} {}: {}",
emoji::INFO,
style("[INFO]").bold().dim(),
message
);
self.add_message(&info);
}
pub fn warn(&self, message: &str) {
let warn = format!(
"{} {}: {}",
emoji::WARN,
style("[WARN]").bold().dim(),
message
);
self.add_message(&warn);
}
pub fn error(&self, message: String) {
let err = format!(
"{} {}: {}",
emoji::ERROR,
style("[ERR]").bold().dim(),
message
);
self.add_message(&err);
}
fn progressbar(msg: &str) -> ProgressBar {
let pb = ProgressBar::new_spinner();
pb.enable_steady_tick(200);
pb.set_style(
ProgressStyle::default_spinner()
.tick_chars("/|\\- ")
.template("{spinner:.dim.bold} {wide_msg}"),
);
pb.set_message(&msg);
pb
}
pub fn done(&self) {
self.finish();
}
}
pub struct Step {
current: usize,
total: usize,
}
impl Step {
pub fn new(total: usize) -> Step {
Step { current: 1, total }
}
pub fn inc(&mut self) {
self.current += 1;
}
}
impl fmt::Display for Step {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "[{}/{}]", self.current, self.total)
}
}
impl Drop for ProgressOutput {
fn drop(&mut self) {
self.done();
}
}