refactor: split http layer

src/http/handlers.rs

@@ -0,0 +1,37 @@
+use super::AppState;
+use crate::{domain::PokemonInfo, error::AppError};
+use axum::{
+    Json,
+    extract::{Path, State},
+    http::header,
+    response::IntoResponse,
+};
+use serde::Serialize;
+
+pub(super) async fn health() -> Json<HealthResponse> {
+    Json(HealthResponse { status: "ok" })
+}
+
+pub(super) async fn metrics(State(state): State<AppState>) -> Result<impl IntoResponse, AppError> {
+    let body = state.telemetry.render_prometheus()?;
+    Ok(([(header::CONTENT_TYPE, "text/plain; version=0.0.4")], body))
+}
+
+pub(super) async fn get_pokemon(
+    State(state): State<AppState>,
+    Path(name): Path<String>,
+) -> Result<Json<PokemonInfo>, AppError> {
+    state.service.get_basic(&name).await.map(Json)
+}
+
+pub(super) async fn get_translated_pokemon(
+    State(state): State<AppState>,
+    Path(name): Path<String>,
+) -> Result<Json<PokemonInfo>, AppError> {
+    state.service.get_translated(&name).await.map(Json)
+}
+
+#[derive(Serialize)]
+pub(super) struct HealthResponse {
+    status: &'static str,
+}