152 lines
3.6 KiB
Rust
152 lines
3.6 KiB
Rust
//! Configuration from a file.
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use std::{
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fs,
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io::ErrorKind,
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net::SocketAddr,
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path::{Path, PathBuf},
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time::Duration,
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};
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use directories::ProjectDirs;
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use serde::Deserialize;
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use tracing::{debug, info};
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use crate::{
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args::{Args, Command, ServerCommand},
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somehow,
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};
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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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"[::1]:8221".parse().unwrap()
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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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pub name: Option<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: None,
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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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fn repo_name(&self, args: &Args) -> somehow::Result<String> {
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if let Some(name) = &self.repo.name {
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return Ok(name.clone());
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}
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if let Command::Server(ServerCommand { repo, .. }) = &args.command {
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if let Some(name) = repo.canonicalize()?.file_name() {
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let name = name.to_string_lossy();
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let name = name.strip_suffix(".git").unwrap_or(&name).to_string();
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return Ok(name);
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}
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}
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Ok("unnamed repo".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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fn path(args: &Args) -> PathBuf {
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if let Some(path) = &args.config {
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return path.clone();
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}
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ProjectDirs::from("de", "plugh", "tablejohn")
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.expect("could not determine home directory")
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.config_dir()
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.join("config.toml")
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}
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pub fn load(args: &Args) -> somehow::Result<Self> {
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let path = Self::path(args);
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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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let repo_name = config_file.repo_name(args)?;
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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,
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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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