refactored backend initialization logic: added centralized configuration management, improved database setup with connection pooling, and modularized core components (config, models, services)

backend-rust/src/main.rs

@@ -1,21 +1,39 @@
-use std::path::Path;
-
+mod api;
+mod config;
 mod db;
+mod models;
+mod services;
+
+use crate::config::Config;
+use sqlx::sqlite::SqliteConnectOptions;
+use std::str::FromStr;
 
 #[tokio::main]
 async fn main() {
-    let migrations_folder = String::from("./migrations");
+    let config = Config::from_env();
 
-    let db_path = Path::new("owlynews.sqlite3");
-    let migrations_path = Path::new(&migrations_folder);
-
-    match db::initialize_db(&db_path, migrations_path).await {
+    match db::initialize_db(&config.db_path, &config.migration_path).await {
         Ok(_conn) => {
             println!("Database initialized successfully");
-            // Logic goes here
+
+            let options = SqliteConnectOptions::from_str(&config.database_url())
+                .expect("Invalid database URL")
+                .create_if_missing(true);
+
+            match db::create_pool(options).await {
+                Ok(_pool) => {
+                    println!("Database pool created successfully")
+                    // App logic here
+                }
+                Err(e) => {
+                    println!("Error creating database pool: {:?}", e);
+                    std::process::exit(1);
+                }
+            }
         }
         Err(e) => {
             println!("Error initializing database: {:?}", e);
+            std::process::exit(1);
         }
     }
 }