Files
ncspot/src/config.rs
2019-04-02 08:30:16 +02:00

116 lines
3.5 KiB
Rust

use std::collections::HashMap;
use std::fs;
use std::path::{Path, PathBuf};
use directories::ProjectDirs;
pub const CLIENT_ID: &str = "d420a117a32841c2b3474932e49fb54b";
#[derive(Serialize, Deserialize, Debug, Default)]
pub struct Config {
pub keybindings: Option<HashMap<String, String>>,
pub theme: Option<ConfigTheme>,
pub use_nerdfont: Option<bool>,
}
#[derive(Serialize, Deserialize, Debug, Default, Clone)]
pub struct ConfigTheme {
pub background: Option<String>,
pub primary: Option<String>,
pub secondary: Option<String>,
pub title: Option<String>,
pub playing: Option<String>,
pub playing_bg: Option<String>,
pub highlight: Option<String>,
pub highlight_bg: Option<String>,
pub error: Option<String>,
pub error_bg: Option<String>,
pub statusbar_progress: Option<String>,
pub statusbar_progress_bg: Option<String>,
pub statusbar: Option<String>,
pub statusbar_bg: Option<String>,
pub cmdline: Option<String>,
pub cmdline_bg: Option<String>,
}
fn proj_dirs() -> ProjectDirs {
ProjectDirs::from("org", "affekt", "ncspot").expect("can't determine project paths")
}
pub fn config_path(file: &str) -> PathBuf {
let proj_dirs = proj_dirs();
let cfg_dir = proj_dirs.config_dir();
trace!("{:?}", cfg_dir);
if cfg_dir.exists() && !cfg_dir.is_dir() {
fs::remove_file(cfg_dir).expect("unable to remove old config file");
}
if !cfg_dir.exists() {
fs::create_dir(cfg_dir).expect("can't create config folder");
}
let mut cfg = cfg_dir.to_path_buf();
cfg.push(file);
cfg
}
pub fn cache_path(file: &str) -> PathBuf {
let proj_dirs = proj_dirs();
let cache_dir = proj_dirs.cache_dir();
if !cache_dir.exists() {
fs::create_dir(cache_dir).expect("can't create cache folder");
}
let mut pb = cache_dir.to_path_buf();
pb.push(file);
pb
}
/// Configuration and credential file helper
/// Creates a default configuration if none exist, otherwise will optionally overwrite
/// the file if it fails to parse
pub fn load_or_generate_default<
P: AsRef<Path>,
T: serde::Serialize + serde::de::DeserializeOwned,
F: Fn(&Path) -> Result<T, String>,
>(
path: P,
default: F,
default_on_parse_failure: bool,
) -> Result<T, String> {
let path = path.as_ref();
// Nothing exists so just write the default and return it
if !path.exists() {
let value = default(&path)?;
return write_content_helper(&path, value);
}
// load the serialized content. Always report this failure
let contents = std::fs::read_to_string(&path)
.map_err(|e| format!("Unable to read {}: {}", path.to_string_lossy(), e))?;
// Deserialize the content, optionally fall back to default if it fails
let result = toml::from_str(&contents);
if default_on_parse_failure {
if let Err(_) = result {
let value = default(&path)?;
return write_content_helper(&path, value);
}
}
result.map_err(|e| format!("Unable to parse {}: {}", path.to_string_lossy(), e))
}
fn write_content_helper<P: AsRef<Path>, T: serde::Serialize>(
path: P,
value: T,
) -> Result<T, String> {
let content =
toml::to_string_pretty(&value).map_err(|e| format!("Failed serializing value: {}", e))?;
fs::write(path.as_ref(), content)
.map(|_| value)
.map_err(|e| {
format!(
"Failed writing content to {}: {}",
path.as_ref().display(),
e
)
})
}