118 lines
2.7 KiB
Rust
118 lines
2.7 KiB
Rust
//! Configuration from a file.
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use std::{fs, io::ErrorKind, net::SocketAddr, path::Path, time::Duration};
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use serde::Deserialize;
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use tracing::{debug, info};
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use crate::somehow;
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mod default {
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use std::{net::SocketAddr, time::Duration};
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pub fn web_base() -> String {
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"".to_string()
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}
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pub fn web_address() -> SocketAddr {
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// Port chosen by fair dice roll
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"[::]:8221".parse().unwrap()
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}
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pub fn repo_name() -> String {
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"local repo".to_string()
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}
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pub fn repo_update_delay() -> Duration {
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Duration::from_secs(60)
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}
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}
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#[derive(Debug, Deserialize)]
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pub struct Web {
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#[serde(default = "default::web_base")]
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pub base: String,
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#[serde(default = "default::web_address")]
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pub address: SocketAddr,
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}
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impl Default for Web {
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fn default() -> Self {
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Self {
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base: default::web_base(),
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address: default::web_address(),
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}
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}
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}
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#[derive(Debug, Deserialize)]
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pub struct Repo {
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#[serde(default = "default::repo_name")]
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pub name: String,
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#[serde(default = "default::repo_update_delay", with = "humantime_serde")]
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pub update_delay: Duration,
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}
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impl Default for Repo {
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fn default() -> Self {
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Self {
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name: default::repo_name(),
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update_delay: default::repo_update_delay(),
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}
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}
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}
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#[derive(Debug, Default, Deserialize)]
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struct ConfigFile {
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repo: Repo,
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web: Web,
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}
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impl ConfigFile {
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fn load(path: &Path) -> somehow::Result<Self> {
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let config = match fs::read_to_string(path) {
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Ok(str) => toml::from_str(&str)?,
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Err(e) if e.kind() == ErrorKind::NotFound => {
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info!("No config file found, using default config");
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Self::default()
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}
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Err(e) => Err(e)?,
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};
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Ok(config)
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}
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fn web_base(&self) -> String {
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self.web
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.base
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.strip_prefix('/')
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.unwrap_or(&self.web.base)
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.strip_suffix('/')
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.unwrap_or(&self.web.base)
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.to_string()
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}
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}
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pub struct Config {
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pub web_base: String,
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pub web_address: SocketAddr,
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pub repo_name: String,
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pub repo_update_delay: Duration,
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}
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impl Config {
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pub fn load(path: &Path) -> somehow::Result<Self> {
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info!(path = %path.display(), "Loading config");
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let config_file = ConfigFile::load(path)?;
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debug!("Loaded config file:\n{config_file:#?}");
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let web_base = config_file.web_base();
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Ok(Self {
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web_base,
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web_address: config_file.web.address,
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repo_name: config_file.repo.name,
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repo_update_delay: config_file.repo.update_delay,
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})
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}
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}
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