From 83e765f358a9f81ce93159836fe2c594ff9d914c Mon Sep 17 00:00:00 2001
From: MythEclipse <asepharyanalm001@gmail.com>
Date: Thu, 31 Jul 2025 15:15:55 +0700
Subject: [PATCH] feat: add logger module with initialization function using
 tracing and dotenvy

---
 imphnen-utils/src/lib.rs    |  2 ++
 imphnen-utils/src/logger.rs | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 imphnen-utils/src/logger.rs

diff --git a/imphnen-utils/src/lib.rs b/imphnen-utils/src/lib.rs
index a8b4713..8ba084c 100644
--- a/imphnen-utils/src/lib.rs
+++ b/imphnen-utils/src/lib.rs
@@ -1,3 +1,4 @@
+mod logger;
 pub mod bind_filter;
 pub mod extract_email;
 pub mod generate_date;
@@ -10,6 +11,7 @@ pub mod response_format;
 pub mod serde_helpers;
 pub mod validator;
 
+pub use logger::init_logger;
 pub use bind_filter::*;
 pub use extract_email::*;
 pub use generate_date::*;
diff --git a/imphnen-utils/src/logger.rs b/imphnen-utils/src/logger.rs
new file mode 100644
index 0000000..4ef1d44
--- /dev/null
+++ b/imphnen-utils/src/logger.rs
@@ -0,0 +1,20 @@
+//! Logger initialization using tracing, tracing-subscriber, and dotenvy.
+use std::env;
+use dotenvy::dotenv;
+use tracing_subscriber::{EnvFilter, fmt};
+
+/// Initializes the logger using tracing and tracing-subscriber.
+/// Loads environment variables from `.env` and sets log level from `RUST_LOG`.
+pub fn init_logger() {
+    // Load .env file if present
+    dotenv().ok();
+
+    // Set up the tracing subscriber with EnvFilter from RUST_LOG
+    let filter = EnvFilter::try_from_default_env()
+        .or_else(|_| EnvFilter::try_new("warn"))
+        .unwrap();
+
+    fmt()
+        .with_env_filter(filter)
+        .init();
+}