locality/src/main.rs

107 lines
2.7 KiB
Rust

use {
tower_http::{services::ServeDir, trace::TraceLayer},
tracing::Level,
};
mod app;
mod authentication;
mod config;
mod db;
mod error;
use config::get_config;
use db::{Database, PostgresDatabase};
/// An unrecoverable error which requires the server to shut down
#[derive(Debug)]
struct FatalError {
message: &'static str,
inner: Option<Box<dyn std::error::Error>>,
}
impl std::fmt::Display for FatalError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match &self.inner {
Some(inner_err) => write!(f, "{}: {}", self.message, inner_err),
None => write!(f, "{}", self.message),
}
}
}
impl std::error::Error for FatalError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
self.inner.as_deref()
}
}
impl From<config::Error> for FatalError {
fn from(value: config::Error) -> Self {
FatalError {
message: "Loading config",
inner: Some(Box::new(value)),
}
}
}
impl From<tracing::subscriber::SetGlobalDefaultError> for FatalError {
fn from(value: tracing::subscriber::SetGlobalDefaultError) -> Self {
FatalError {
message: "Loading config",
inner: Some(Box::new(value)),
}
}
}
impl From<db::InitialisationError> for FatalError {
fn from(value: db::InitialisationError) -> Self {
FatalError {
message: "initialising database connection",
inner: Some(Box::new(value)),
}
}
}
impl From<std::io::Error> for FatalError {
fn from(value: std::io::Error) -> Self {
FatalError {
message: "Initialising",
inner: Some(Box::new(value)),
}
}
}
fn main() {
let runtime = tokio::runtime::Runtime::new().unwrap();
std::process::exit(match runtime.block_on(locality_main()) {
Ok(()) => 0,
Err(err) => {
eprintln!("ERROR: {}", err);
1
}
})
}
async fn locality_main() -> Result<(), FatalError> {
let config = get_config()?;
let subscriber = tracing_subscriber::FmtSubscriber::builder()
.pretty()
.with_max_level(Level::DEBUG)
.finish();
tracing::subscriber::set_global_default(subscriber)?;
let db_pool = PostgresDatabase::new(&config.database_url)?;
db_pool.migrate_to_current_version().await.unwrap();
let app = app::routes()
.with_state(app::AppState { db: db_pool })
.nest_service("/static", ServeDir::new(&config.static_file_path))
.layer(TraceLayer::new_for_http());
let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await?;
axum::serve(listener, app).await?;
Ok(())
}