Add Delete row

src/main.rs

@@ -1,13 +1,7 @@
 use diesel::prelude::*;
 use anyhow::{anyhow, Result, Context};
 use askama_axum::Template;
-use axum::{
-    extract::{Path, State},
-    http::{Method, header, StatusCode, Request, Uri},
-    response::{IntoResponse, Response, Html},
-    routing::{get, post},
-    Json, Router, Form
-};
+use axum::{extract::{Path, State}, http::{Method, header, StatusCode, Request, Uri}, response::{IntoResponse, Response, Html}, routing::{get, post}, Json, Router, Form, http};
 use axum::http::HeaderValue;
 use deadpool_diesel::sqlite::{Runtime, Manager, Pool};
 use clap::Parser;
@@ -97,7 +91,7 @@ async fn main() -> Result<()> {
         .nest_service("/assets", ServeDir::new("assets"))
         .route("/", get(index))
         .route("/feed/", get(get_list_feed).post(post_feed))
-        .route("/feed/:id/", get(get_feed))
+        .route("/feed/:id", get(get_feed).delete(delete_feed))
         .layer(middlewares)
         .with_state(context.clone());
     // Run our app with hyper
@@ -170,7 +164,10 @@ async fn post_feed(
 
 
 #[derive(Template)]
-#[template(path = "feeds.html")]
+#[template(source="\
+{% for feed in feeds %}
+{% include \"feed.html\" %}
+{% endfor %}", ext="html")]
 struct FeedsTemplate {
     feeds: Vec<RssFeed>
 }
@@ -189,6 +186,26 @@ async fn get_list_feed(
     FeedsTemplate{ feeds: result }
 }
 
+async fn delete_feed(
+    State(ctx): State<AppContext>,
+    Path(feed_id): Path<i32>,
+) -> impl IntoResponse {
+    let conn = ctx.pool.get().await.unwrap();
+    use self::schema::rss_feeds::dsl::*;
+    let num_deleted = conn.interact(move |conn| {
+        diesel::delete(rss_feeds.find(feed_id))
+            .execute(conn)
+            .expect("Error deleting posts")
+    }).await.unwrap();
+    if num_deleted == 0 {
+        (StatusCode::NOT_FOUND, "Not found")
+    } else {
+        // HTMX swaps only on 200, so we cannot use NO_CONTENT
+        // In fact, MSDN says that NO_CONTENT means "do nothing", but this is debated.
+        (StatusCode::OK, "")
+    }
+}
+
 #[derive(Template)]
 #[template(path = "index.html")]
 struct IndexTemplate {