mailfred 0.1.1

Process emails as an HTTP server
Documentation 
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use colored::Colorize;
use fern::colors::{Color, ColoredLevelConfig};

/// Configures a default and basic logger for fast prototyping.
/// Only logs coming from mailfred will be logged.
/// If you want to log additional output using this logger you should specify
/// the `app` target.
/// ```
/// # use crate::util::logger;
/// logger::configure(log::LevelFilter::Info);
/// info!(target: "app", "this is a user level message");
/// ```
pub fn configure(level_filter: log::LevelFilter) {
    let level_colors = ColoredLevelConfig::new()
        .error(Color::Red)
        .warn(Color::Yellow)
        .info(Color::Cyan)
        .debug(Color::White)
        .trace(Color::BrightBlack);

    fern::Dispatch::new()
        .level(level_filter)
        .filter(move |metadata| {
            metadata.target().eq("mailfred")
                || metadata.target().starts_with("mailfred::")
                || metadata.target().eq("app")
        })
        .format(move |out, message, record| {
            out.finish(format_args!(
                "[{}] [{}] {} => {}",
                chrono::Local::now()
                    .format("%Y-%m-%d %H:%M:%S")
                    .to_string()
                    .white(),
                level_colors.color(record.level()),
                match record.target() {
                    "app" => "app",
                    _ => "mailfred",
                },
                message
            ))
        })
        .chain(std::io::stdout())
        .apply()
        .expect("Could not initialize logger");
}