search implement

src/controllers/shop.rs

@@ -1,6 +1,8 @@
 //! Public storefront: product listings, product detail, category pages and the
 //! lazily-loaded category sidebar.
 
+use axum::extract::Query;
+use axum::http::HeaderMap;
 use axum_extra::extract::cookie::CookieJar;
 use loco_rs::prelude::*;
 use sea_orm::{ColumnTrait, EntityTrait, QueryFilter, QueryOrder, QuerySelect, Set};
@@ -13,6 +15,12 @@ use crate::{
     views::shop as view,
 };
 
+/// Query string for the storefront search box.
+#[derive(Debug, serde::Deserialize)]
+struct SearchParams {
+    q: Option<String>,
+}
+
 /// Shape a list of products into card rows for `user` (None = public). Each card
 /// shows the resolved price of the product's representative (first) variant; the
 /// `variant_count` lets the template render "from {price}" for multi-variant
@@ -101,6 +109,7 @@ async fn index(
         "shop/index.html",
         json!({
             "products": product_rows(&ctx, user.as_ref(), list).await?,
+            "query": "",
             "logged_in_admin": c.logged_in_admin,
             "logged_in_customer": c.logged_in_customer,
             "customer_name": c.customer_name,
@@ -110,6 +119,59 @@ async fn index(
     )
 }
 
+/// Storefront search. Reuses the shop listing's card shaping, ranking results by
+/// the hybrid full-text + fuzzy query in [`products::Entity::search`]. A blank
+/// query falls back to the full published listing (so clearing the box restores
+/// the shop). htmx requests get just the results fragment for live updates;
+/// direct navigation (or no-JS) renders the whole page.
+#[debug_handler]
+async fn search(
+    jar: CookieJar,
+    ViewEngine(v): ViewEngine<TeraView>,
+    headers: HeaderMap,
+    Query(params): Query<SearchParams>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    let q = params.q.unwrap_or_default();
+    let trimmed = q.trim();
+    let list = if trimmed.is_empty() {
+        products::Entity::find()
+            .filter(products::Column::Published.eq(true))
+            .order_by_desc(products::Column::PublishedAt)
+            .all(&ctx.db)
+            .await?
+    } else {
+        products::Entity::search(&ctx.db, trimmed).await?
+    };
+
+    let user = guard::current_user(&ctx, &jar).await;
+    let rows = product_rows(&ctx, user.as_ref(), list).await?;
+    let lang = current_lang(&jar);
+
+    if headers.contains_key("HX-Request") {
+        return format::view(
+            &v,
+            "shop/_results.html",
+            json!({ "products": rows, "query": q, "lang": lang }),
+        );
+    }
+
+    let c = guard::chrome_from(&ctx, user.as_ref());
+    format::view(
+        &v,
+        "shop/index.html",
+        json!({
+            "products": rows,
+            "query": q,
+            "logged_in_admin": c.logged_in_admin,
+            "logged_in_customer": c.logged_in_customer,
+            "customer_name": c.customer_name,
+            "customer_account_type": c.customer_account_type,
+            "lang": lang,
+        }),
+    )
+}
+
 #[debug_handler]
 async fn show(
     jar: CookieJar,
@@ -240,6 +302,9 @@ async fn category(
 pub fn routes() -> Routes {
     Routes::new()
         .add("/shop", get(index))
+        // Top-level path (not /shop/search) so it never collides with the
+        // /shop/{slug} product route.
+        .add("/search", get(search))
         .add("/shop/{slug}", get(show))
         .add("/category/{slug}", get(category))
         .add("/partials/categories", get(category_sidebar))