refactor: rewrite in rust

src/config.rs

@@ -0,0 +1,44 @@
+use directories::ProjectDirs;
+use serde::{Deserialize, Serialize};
+use std::env;
+use std::fs;
+use std::path::PathBuf;
+
+use crate::error::StreamdError;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Settings {
+    pub base_folder: String,
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            base_folder: env::current_dir()
+                .map(|p| p.to_string_lossy().to_string())
+                .unwrap_or_else(|_| ".".to_string()),
+        }
+    }
+}
+
+impl Settings {
+    pub fn load() -> Result<Self, StreamdError> {
+        let config_path = Self::config_path();
+
+        if config_path.exists() {
+            let content = fs::read_to_string(&config_path)?;
+            let settings: Settings = serde_yaml::from_str(&content)?;
+            Ok(settings)
+        } else {
+            Ok(Settings::default())
+        }
+    }
+
+    fn config_path() -> PathBuf {
+        if let Some(proj_dirs) = ProjectDirs::from("", "", "streamd") {
+            proj_dirs.config_dir().join("config.yaml")
+        } else {
+            PathBuf::from("~/.config/streamd/config.yaml")
+        }
+    }
+}