tablejohn/src/config.rs
2023-08-05 21:33:46 +02:00

93 lines
1.9 KiB
Rust

//! Configuration from a file.
use std::{fs, io::ErrorKind, path::Path, time::Duration};
use serde::Deserialize;
use tracing::{debug, info};
use crate::somehow;
mod default {
use std::time::Duration;
pub fn repo_name() -> String {
"local repo".to_string()
}
pub fn repo_update_delay() -> Duration {
Duration::from_secs(60)
}
pub fn web_base() -> String {
"".to_string()
}
}
#[derive(Debug, Deserialize)]
pub struct Repo {
#[serde(default = "default::repo_name")]
pub name: String,
#[serde(default = "default::repo_update_delay", with = "humantime_serde")]
pub update_delay: Duration,
}
impl Default for Repo {
fn default() -> Self {
Self {
name: default::repo_name(),
update_delay: default::repo_update_delay(),
}
}
}
impl Repo {
pub fn name(&self) -> String {
self.name.clone()
}
}
#[derive(Debug, Deserialize)]
pub struct Web {
#[serde(default = "default::web_base")]
pub base: String,
}
impl Default for Web {
fn default() -> Self {
Self {
base: default::web_base(),
}
}
}
impl Web {
pub fn base(&self) -> String {
self.base
.strip_suffix('/')
.unwrap_or(&self.base)
.to_string()
}
}
#[derive(Debug, Default, Deserialize)]
pub struct Config {
pub repo: Repo,
pub web: Web,
}
impl Config {
pub fn load(path: &Path) -> somehow::Result<Self> {
info!(path = %path.display(), "Loading config");
let config = match fs::read_to_string(path) {
Ok(str) => toml::from_str(&str)?,
Err(e) if e.kind() == ErrorKind::NotFound => {
info!("No config file found, using default config");
Self::default()
}
Err(e) => Err(e)?,
};
debug!("Loaded config:\n{config:#?}");
Ok(config)
}
}