chore: separate backend from frontend

src/lib.rs

@@ -0,0 +1,82 @@
+//! Backend API server for phundrak.com
+//!
+//! This is a REST API built with the Poem framework that provides:
+//! - Health check endpoints
+//! - Application metadata endpoints
+//! - Contact form submission with email integration
+
+#![deny(clippy::all)]
+#![deny(clippy::pedantic)]
+#![deny(clippy::nursery)]
+#![warn(missing_docs)]
+#![allow(clippy::unused_async)]
+
+/// Custom middleware implementations
+pub mod middleware;
+/// API route handlers and endpoints
+pub mod route;
+/// Application configuration settings
+pub mod settings;
+/// Application startup and server configuration
+pub mod startup;
+/// Logging and tracing setup
+pub mod telemetry;
+
+type MaybeListener = Option<poem::listener::TcpListener<String>>;
+
+fn prepare(listener: MaybeListener) -> startup::Application {
+    dotenvy::dotenv().ok();
+    let settings = settings::Settings::new().expect("Failed to read settings");
+    if !cfg!(test) {
+        let subscriber = telemetry::get_subscriber(settings.debug);
+        telemetry::init_subscriber(subscriber);
+    }
+    tracing::event!(
+        target: "backend",
+        tracing::Level::DEBUG,
+        "Using these settings: {:?}",
+        settings
+    );
+    let application = startup::Application::build(settings, listener);
+    tracing::event!(
+        target: "backend",
+        tracing::Level::INFO,
+        "Listening on http://{}:{}/",
+        application.host(),
+        application.port()
+    );
+    tracing::event!(
+        target: "backend",
+        tracing::Level::INFO,
+        "Documentation available at http://{}:{}/",
+        application.host(),
+        application.port()
+    );
+    application
+}
+
+/// Runs the application with the specified TCP listener.
+///
+/// # Errors
+///
+/// Returns a `std::io::Error` if the server fails to start or encounters
+/// an I/O error during runtime (e.g., port already in use, network issues).
+#[cfg(not(tarpaulin_include))]
+pub async fn run(listener: MaybeListener) -> Result<(), std::io::Error> {
+    let application = prepare(listener);
+    application.make_app().run().await
+}
+
+#[cfg(test)]
+fn make_random_tcp_listener() -> poem::listener::TcpListener<String> {
+    let tcp_listener =
+        std::net::TcpListener::bind("127.0.0.1:0").expect("Failed to bind a random TCP listener");
+    let port = tcp_listener.local_addr().unwrap().port();
+    poem::listener::TcpListener::bind(format!("127.0.0.1:{port}"))
+}
+
+#[cfg(test)]
+fn get_test_app() -> startup::App {
+    let tcp_listener = make_random_tcp_listener();
+    prepare(Some(tcp_listener)).make_app().into()
+}