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use std::fs;
use std::path::{Path, PathBuf};
use serde::Deserialize;
#[derive(Deserialize)]
struct ConfigFile {
site_title: Option<String>,
data_dir: Option<PathBuf>,
external_root: Option<String>,
listen_port: Option<u16>,
footer_copyright: Option<String>,
}
pub struct Config {
site_title: String,
data_dir: PathBuf,
external_root: String,
listen_port: u16,
footer_copyright: Option<String>
}
impl Config {
pub fn read_from_file<P: AsRef<Path>>(path: P) -> Result<Self, String> {
let config_contents = fs::read_to_string(&path)
.map_err(|_| "Unable to open config file".to_string())?;
let file : ConfigFile = toml::from_str(&config_contents)
.map_err(|err| err.to_string())?;
let port = file.listen_port.unwrap_or(3000);
Ok(Self {
site_title: file.site_title
.unwrap_or("Untitled StormScribe Site".to_string()),
data_dir: file.data_dir.unwrap_or(path.as_ref()
.canonicalize().map_err(|_| "Cannot resolve config file location".to_string())?
.parent().ok_or("Cannot resolve data dir".to_string())?.to_path_buf()),
external_root: file.external_root
.unwrap_or(format!("http://localhost:{port}/")),
listen_port: port,
footer_copyright: file.footer_copyright,
})
}
}
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