refactored app startup flow

src-tauri/src/init/tracing.rs

@@ -0,0 +1,49 @@
+use tauri::Manager;
+use tracing_subscriber::util::SubscriberInitExt;
+
+use crate::get_app_handle;
+
+/// Initialize `tracing_subscriber` for logging to file & console
+pub fn setup_logging() {
+    // Set up file appender
+    let app_handle = get_app_handle();
+    let app_log_dir = app_handle
+        .path()
+        .app_log_dir()
+        .expect("Could not determine app log dir");
+
+    // Create the directory if it doesn't exist
+    if let Err(e) = std::fs::create_dir_all(&app_log_dir) {
+        eprintln!("Failed to create log directory: {}", e);
+    }
+
+    let file_appender = tracing_appender::rolling::daily(&app_log_dir, "friendolls.log");
+    let (non_blocking, _guard) = tracing_appender::non_blocking(file_appender);
+
+    // Create a filter - adjust the level as needed (trace, debug, info, warn, error)
+    let filter = tracing_subscriber::EnvFilter::try_from_default_env()
+        .unwrap_or_else(|_| tracing_subscriber::EnvFilter::new("info"));
+
+    // Create a layer that writes to the file
+    let file_layer = tracing_subscriber::fmt::layer()
+        .with_target(false)
+        .with_thread_ids(false)
+        .with_file(true)
+        .with_line_number(true)
+        .with_writer(non_blocking);
+
+    // Create a layer that writes to stdout (console)
+    let console_layer = tracing_subscriber::fmt::layer()
+        .with_target(false)
+        .with_thread_ids(false)
+        .with_file(true)
+        .with_line_number(true);
+
+    // Combine both layers with filter
+    use tracing_subscriber::layer::SubscriberExt;
+    tracing_subscriber::registry()
+        .with(filter)
+        .with(file_layer)
+        .with(console_layer)
+        .init();
+}