37 lines
1.0 KiB
Rust
37 lines
1.0 KiB
Rust
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use std::fs;
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use std::io;
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use std::path::PathBuf;
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use crate::ui::UiSettings;
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const APP_DIR_NAME: &str = "desktop_dungeon_generator";
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const SETTINGS_FILE_NAME: &str = "settings.json";
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pub fn load_settings() -> Option<UiSettings> {
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let path = settings_path()?;
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let content = fs::read_to_string(path).ok()?;
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serde_json::from_str::<UiSettings>(&content).ok()
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}
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pub fn save_settings(settings: &UiSettings) -> io::Result<()> {
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let path = settings_path().ok_or_else(|| {
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io::Error::new(
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io::ErrorKind::NotFound,
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"No OS application data directory found",
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)
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})?;
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if let Some(parent) = path.parent() {
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fs::create_dir_all(parent)?;
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}
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let json = serde_json::to_string_pretty(settings)
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.map_err(|err| io::Error::new(io::ErrorKind::InvalidData, err))?;
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fs::write(path, json)
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}
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fn settings_path() -> Option<PathBuf> {
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let base = dirs::data_local_dir().or_else(dirs::data_dir)?;
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Some(base.join(APP_DIR_NAME).join(SETTINGS_FILE_NAME))
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}
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