Files
furumi_tui/src/config/settings.rs
T

103 lines
2.5 KiB
Rust

use anyhow::{Context as _, Result};
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, Serialize, Deserialize)]
pub struct LibraryFilters {
#[serde(default)]
pub hide_featured_only: bool,
}
impl LibraryFilters {
pub fn is_active(&self) -> bool {
self.hide_featured_only
}
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct AppSettings {
#[serde(default = "default_volume")]
pub volume: u8,
#[serde(default)]
pub library: LibraryFilters,
}
impl Default for AppSettings {
fn default() -> Self {
Self {
volume: default_volume(),
library: LibraryFilters::default(),
}
}
}
impl AppSettings {
pub fn normalized(mut self) -> Self {
self.volume = self.volume.min(100);
self
}
}
fn default_volume() -> u8 {
80
}
pub fn load() -> (AppSettings, Option<String>) {
let Some(path) = settings_path() else {
return (AppSettings::default(), None);
};
match std::fs::read_to_string(&path) {
Ok(text) => match toml::from_str::<AppSettings>(&text) {
Ok(settings) => (settings.normalized(), None),
Err(err) => (
AppSettings::default(),
Some(format!("settings.toml is malformed: {err}")),
),
},
Err(err) if err.kind() == std::io::ErrorKind::NotFound => (AppSettings::default(), None),
Err(err) => (
AppSettings::default(),
Some(format!("settings.toml could not be read: {err}")),
),
}
}
pub fn save(settings: &AppSettings) -> Result<()> {
let path = settings_path().context("cannot determine the config directory")?;
if let Some(parent) = path.parent() {
std::fs::create_dir_all(parent)?;
}
std::fs::write(
&path,
toml::to_string_pretty(&settings.clone().normalized())?,
)
.with_context(|| format!("writing {}", path.display()))?;
Ok(())
}
fn settings_path() -> Option<std::path::PathBuf> {
crate::config::project_dirs().map(|dirs| dirs.config_dir().join("settings.toml"))
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn settings_parse_and_normalize() {
let settings: AppSettings = toml::from_str(
r#"
volume = 150
[library]
hide_featured_only = true
"#,
)
.unwrap();
let settings = settings.normalized();
assert_eq!(settings.volume, 100);
assert!(settings.library.hide_featured_only);
assert!(settings.library.is_active());
}
}