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use std::collections::HashMap;
use axum::{extract::State, response::IntoResponse, Json};
use serde::{Deserialize, Serialize};
use crate::{service::Services, Check, Error, Status};
pub mod services;
pub fn router() -> axum::Router<Services> {
use axum::routing::get;
axum::Router::new()
.route("/healthcheck", get(healthcheck))
.merge(services::router())
.fallback(fallback)
}
#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct Health {
pub status: Status,
pub output: Option<String>,
pub checks: HashMap<String, Check>,
}
impl<T: std::error::Error> From<T> for Health {
fn from(value: T) -> Self {
Health {
status: Status::Fail,
output: Some(value.to_string()),
..Default::default()
}
}
}
impl IntoResponse for Health {
fn into_response(self) -> axum::response::Response {
Json(self).into_response()
}
}
pub async fn healthcheck(State(services): State<Services>) -> Health {
let checks = match services.check().await {
Ok(c) => c,
Err(err) => {
return Health {
status: Status::Fail,
output: Some(err.to_string()),
..Default::default()
}
}
};
let (status, output) = match checks
.values()
.filter(|s| !matches!(s.status, Status::Pass))
.count()
{
0 => (Status::Pass, None),
1 => (Status::Fail, Some("1 issue detected".to_string())),
n => (Status::Fail, Some(format!("{n} issues detected"))),
};
Health {
status,
output,
checks,
}
}
pub async fn fallback(uri: axum::http::Uri) -> Error {
Error::RouteNotFound(uri)
}
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