feat: add sqlx transaction extractor to router

src/router.rs

@@ -1,20 +1,37 @@
 use axum::{extract::State, response::Html, routing::get, Router};
+use chrono::Utc;
 use minijinja::context;
-use std::sync::Arc;
+use serde::Serialize;
+use sqlx::prelude::FromRow;
 use tower_http::services::ServeDir;
 
-use crate::{AppState, ResultTemplate};
+use crate::{AppState, ResultTemplate, Tx};
 
-pub fn new() -> Router<Arc<AppState>> {
+pub fn new() -> Router<AppState> {
     Router::new()
         .route("/", get(handler_home))
         .nest_service("/assets", ServeDir::new("dist/assets"))
 }
 
-async fn handler_home(State(state): State<Arc<AppState>>) -> ResultTemplate {
-    let template = state.tmpl_env.get_template("base.html")?;
+#[derive(FromRow, Debug, Serialize)]
+struct ExampleRow {
+    pub database: String,
+    pub version: String,
+    pub current_database: String,
+    pub current_user: String,
+    pub current_timestamp: chrono::DateTime<Utc>,
+}
 
-    let content = template.render(context!())?;
+async fn handler_home(State(state): State<AppState>, mut tx: Tx) -> ResultTemplate {
+    let template = state.tmpl_env.get_template("index.html")?;
+
+    let rows = sqlx::query_as::<_, ExampleRow>("select 'Postgres' as database, setting as version, current_database(), current_user, current_timestamp from pg_settings where name = 'server_version'")
+        .fetch_all(&mut tx)
+        .await?;
+
+    println!("{:?}", rows);
+
+    let content = template.render(context!(rows => rows))?;
 
     Ok(Html(content))
 }