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use anyhow::{anyhow, Result};
use serde::{Deserialize, Serialize};
use std::{
fs::{read_to_string, rename, File},
io::Write,
path::PathBuf,
};
#[derive(Serialize, Deserialize)]
pub struct Config {
username: String,
}
impl Config {
pub fn path() -> Result<PathBuf> {
Ok(xdg::BaseDirectories::with_prefix("pixelcurry")?.place_config_file("config.toml")?)
}
pub fn load() -> Result<Self> {
let path = Self::path()?;
if path.exists() {
Ok(toml::from_str(&read_to_string(path)?)?)
} else {
File::create(path)?.write_all(toml::to_string(&Self::initial()?)?.as_bytes())?;
Self::load()
}
}
pub fn save(&self) -> Result<()> {
let path = Self::path()?;
let temp = path.with_added_extension("~");
File::create(&temp)?.write_all(toml::to_string(self)?.as_bytes())?;
rename(temp, path)?;
Ok(())
}
pub fn initial() -> Result<Self> {
Ok(Config {
username: users::get_current_username()
.ok_or(anyhow!("current user has no name"))?
.to_str()
.ok_or(anyhow!("current user's name is not valid UTF8"))?
.to_owned(),
})
}
}
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