code: improving server setup code with more admin routes, display correct admin address

src/admin/mod.rs

@@ -6,8 +6,16 @@ pub mod domain;
 pub mod state;
 pub mod views;
 
-/*
 pub fn routes() -> Router<AppState> {
-    Router::new().route("/", get(views::index).post(views::index_action))
+    Router::new()
+        .route("/", get(views::index).post(views::index_action))
+        .route("/app/:app_name", get(views::list_app))
+        .route(
+            "/app/:app_name/:model_name",
+            get(views::list_item_collection),
+        )
+        .route(
+            "/app/:app_name/:model_name/detail/:model_id",
+            get(views::item_details),
+        )
 }
- */

src/admin/state.rs

@@ -11,9 +11,6 @@ use std::sync::Arc;
 
 pub type AdminState = Arc<AdminRegistry>;
 
-#[derive(Serialize)]
-pub enum RepositoryData {}
-
 pub trait AdminRepository: Send + Sync {
     fn get_item(&self, id: usize) -> Option<Value>;
     fn get_list(&self) -> Value;
@@ -61,7 +58,7 @@ impl AdminRegistry {
         AdminApp {
             name: name.to_owned(),
             app_label: label,
-            app_url: "".to_owned(),
+            app_url: name.to_owned().to_lowercase(),
             models: vec![],
         }
     }

src/admin/views.rs

@@ -1,5 +1,6 @@
 use std::sync::Arc;
 
+use axum::extract::Path;
 use axum::{extract::State, response::IntoResponse, Form};
 
 use crate::admin::domain::{AdminApp, AdminModel};
@@ -150,22 +151,41 @@ pub async fn index_action(Form(example_data): Form<ExampleData>) -> impl IntoRes
     "There is your answer!".to_owned()
 }
 
+pub async fn list_app(
+    templates: State<templates::Templates>,
+    Path(app_name): Path<String>,
+) -> impl IntoResponse {
+    templates.render_html("admin/app_list.html", ())
+}
+
 // List Items renders the entire list item page.
-pub async fn list_item_collection(templates: State<templates::Templates>) -> impl IntoResponse {
+pub async fn list_item_collection(
+    templates: State<templates::Templates>,
+    Path((app_name, model_name)): Path<(String, String)>,
+) -> impl IntoResponse {
     templates.render_html("admin/items/list_items.html", ())
 }
 
 // Items Action is a POST to an item list. By default these are actions, that work on a list of items as input.
-pub async fn item_collection_action(Form(question): Form<Question>) -> impl IntoResponse {
+pub async fn item_collection_action(
+    Form(question): Form<Question>,
+    Path((app_name, model_name)): Path<(String, String)>,
+) -> impl IntoResponse {
     "There is your answer!".to_owned()
 }
 
 // Item Details shows one single dataset.
-pub async fn item_details(templates: State<templates::Templates>) -> impl IntoResponse {
+pub async fn item_details(
+    templates: State<templates::Templates>,
+    Path((app_name, model_name, model_id)): Path<(String, String, String)>,
+) -> impl IntoResponse {
     templates.render_html("admin/item_detail.html", ())
 }
 
 // Item Action allows running an action on one single dataset.
-pub async fn item_action(Form(question): Form<Question>) -> impl IntoResponse {
+pub async fn item_action(
+    Form(question): Form<Question>,
+    Path((app_name, model_name, model_id)): Path<(String, String, String)>,
+) -> impl IntoResponse {
     "There is your answer!".to_owned()
 }

src/main.rs

@@ -11,7 +11,7 @@ use axum::{
 use dotenvy::dotenv;
 use log::info;
 use std::env;
-use std::net::SocketAddr;
+use std::net::{Ipv4Addr, SocketAddr};
 use std::sync::Arc;
 
 async fn home(templates: State<templates::Templates>) -> impl IntoResponse {
@@ -33,7 +33,7 @@ async fn main() {
     let tmpl = templates::Templates::initialize().expect("Template Engine could not be loaded.");
     let mut admin = admin::state::AdminRegistry::new("admin");
     admin.register_app("auth", "Authorities", "auth");
-    let admin_router = admin.generate_router();
+    //let admin_router = admin.generate_router();
 
     let state: AppState = AppState {
         templates: tmpl,
@@ -44,7 +44,8 @@ async fn main() {
     let app = Router::new()
         .route("/", get(home))
         .route("/hello", get(hello_world))
-        .merge(admin_router)
+        //.merge(admin_router)
+        .nest("/admin", admin::routes())
         .nest("/howto", howto::routes())
         .route_service("/static/*file", handlers::static_handler.into_service())
         .fallback(handlers::not_found_handler)
@@ -52,17 +53,24 @@ async fn main() {
 
     // Run Server
     let app_host: std::net::IpAddr = env::var("APP_HOST")
-        .unwrap_or("127.0.0.1".to_string())
+        .unwrap_or("0.0.0.0".to_string())
         .parse()
         .expect("IP Address expected in APP_HOST");
     let app_port: u16 = env::var("APP_PORT")
         .unwrap_or("3000".to_string())
         .parse()
         .expect("Port expected in APP_PORT");
-    let addr = SocketAddr::from((app_host, app_port));
-    info!("listening on {}", addr);
-    info!("admin on: http://{}/admin", addr);
-    axum::Server::bind(&addr)
+    // the listen_addr is the address we bind to.
+    let listen_addr = SocketAddr::from((app_host, app_port));
+    // the server addr is a concrete address the user can connect to.
+    let server_addr = if app_host.is_unspecified() {
+        SocketAddr::from(([127, 0, 0, 1], app_port))
+    } else {
+        listen_addr.clone()
+    };
+    info!("listening on {}", listen_addr);
+    info!("admin on: http://{}/admin", server_addr);
+    axum::Server::bind(&listen_addr)
         .serve(app.into_make_service())
         .with_graceful_shutdown(shutdown_signal())
         .await