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use figment::Provider;
use std::{fs::File, ops::Deref, sync::Arc};
use tracing::metadata::LevelFilter;
use tracing_subscriber::{prelude::*, Layer};
pub use config::Config;
pub use error::{Error, Result};
pub use level::Level;
mod config;
mod error;
mod level;
pub struct Logging(Config);
impl Logging {
pub fn new() -> Result<Self> {
Self::from_provider(Config::figment())
}
/// Extract `Config` from `provider` to construct new `Finder`
pub fn from_provider<T: Provider>(provider: T) -> Result<Self> {
Config::extract(&provider)
.map_err(Into::into)
.map(Into::into)
}
pub fn init(&self) -> Result<()> {
let stdout_layer = tracing_subscriber::fmt::layer()
.pretty()
.with_filter(LevelFilter::from(self.level));
let log_layer = if self.level.is_some() {
let file = File::create(&self.path)?;
tracing_subscriber::fmt::layer()
.with_writer(Arc::new(file))
.with_filter(LevelFilter::from(self.level))
.into()
} else {
None
};
tracing_subscriber::registry()
.with(stdout_layer)
.with(log_layer)
.init();
Ok(())
}
}
impl Deref for Logging {
type Target = Config;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl From<Config> for Logging {
fn from(value: Config) -> Self {
Self(value)
}
}
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