Add utils crates

src/log/log_config.rs

@@ -0,0 +1,22 @@
+// Copyright (c) Tribufu. All Rights Reserved.
+// SPDX-License-Identifier: MIT
+
+use crate::LogLevel;
+use serde::{Deserialize, Serialize};
+use std::env;
+use tribufu_error::Result;
+
+#[derive(Default, Debug, Clone, Serialize, Deserialize)]
+pub struct LogConfig {
+    pub level: LogLevel,
+    pub file: Option<String>,
+}
+
+impl LogConfig {
+    pub fn from_env() -> Result<Self> {
+        Ok(Self {
+            level: LogLevel::from_str(&env::var("LOG_LEVEL")?).unwrap_or_default(),
+            file: env::var("LOG_FILE").ok(),
+        })
+    }
+}