Merge pull request #16 from thatpix3l/main

Set Nightly Rust as default, store config in better places

rust-toolchain

@@ -0,0 +1 @@
+nightly

src/settings.rs

@@ -3,10 +3,16 @@ use crate::error::SpotifyError;
 use serde::{Deserialize, Serialize};
 
 use tokio::{
+	fs::create_dir_all,
 	fs::File,
 	io::{AsyncReadExt, AsyncWriteExt},
 };
 
+use std::{
+	env,
+	path::{Path, PathBuf},
+};
+
 // Structure for holding all the settings
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Settings {
@@ -18,6 +24,23 @@ pub struct Settings {
 	pub downloader: DownloaderConfig,
 }
 
+// On UNIX systems (eg. Linux, *BSD, even macOS), follow the
+// XDG Base Directory Specification for storing config files
+#[cfg(target_family = "unix")]
+fn get_config_folder_path() -> PathBuf {
+	match env::var("XDG_CONFIG_HOME") {
+		Ok(v) => Path::new(&v).join("down_on_spot").to_path_buf(),
+
+		Err(_) => Path::new(&env::var("HOME").unwrap()).join(".config/down_on_spot"),
+	}
+}
+
+// On Windows, follow whatever windows does for AppData
+#[cfg(target_family = "windows")]
+fn get_config_folder_path() -> PathBuf {
+	Path::new(&env::var("APPDATA").unwrap()).join("down_on_spot");
+}
+
 impl Settings {
 	// Create new instance
 	pub fn new(username: &str, password: &str, client_id: &str, client_secret: &str) -> Settings {
@@ -31,17 +54,28 @@ impl Settings {
 		}
 	}
 
-	// Serialize the settings to a json file
+	// Save config
 	pub async fn save(&self) -> Result<(), SpotifyError> {
+		// Get and create config folder path, generate config file path
+		let config_folder_path = get_config_folder_path();
+		create_dir_all(&config_folder_path).await?;
+		let config_file_path = config_folder_path.join("settings.json");
+
+		// Serialize the settings to a json file
 		let data = serde_json::to_string_pretty(self)?;
-		let mut file = File::create("settings.json").await?;
+		let mut file = File::create(config_file_path).await?;
 		file.write_all(data.as_bytes()).await?;
 		Ok(())
 	}
 
-	// Deserialize the settings from a json file
+	// Load config
 	pub async fn load() -> Result<Settings, SpotifyError> {
-		let mut file = File::open("settings.json").await?;
+		// Get config folder path, generate config file path
+		let config_folder_path = get_config_folder_path();
+		let config_file_path = config_folder_path.join("settings.json");
+
+		// Deserialize the settings from a json file
+		let mut file = File::open(config_file_path).await?;
 		let mut buf = String::new();
 		file.read_to_string(&mut buf).await?;
 		Ok(serde_json::from_str(&buf)?)