From 5147257e72d3f63d285771cd289a929da24293cd Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Mon, 8 Jul 2024 22:45:28 +0200
Subject: [PATCH] Show direct children for item

---
 src/frontend/item.rs        |  6 ++++++
 src/manage/item.rs          | 11 +++++++++++
 templates/item_details.html | 10 ++++++++++
 3 files changed, 27 insertions(+)

diff --git a/src/frontend/item.rs b/src/frontend/item.rs
index 5c718ad..61e6f85 100644
--- a/src/frontend/item.rs
+++ b/src/frontend/item.rs
@@ -28,6 +28,7 @@ struct ItemDetails {
     item: Item,
     item_class: ItemClass,
     parents: Vec<Item>,
+    children: Vec<Item>,
 }
 
 #[get("/item/{id}")]
@@ -50,11 +51,16 @@ async fn show_item(
         .await
         .map_err(error::ErrorInternalServerError)?;
 
+    let children = manage::item::get_children(&mut pool.get().await.unwrap(), item.id)
+        .await
+        .map_err(error::ErrorInternalServerError)?;
+
     Ok(ItemDetails {
         req,
         item,
         item_class,
         parents,
+        children,
     })
 }
 
diff --git a/src/manage/item.rs b/src/manage/item.rs
index d9d453e..a85cbdd 100644
--- a/src/manage/item.rs
+++ b/src/manage/item.rs
@@ -122,3 +122,14 @@ pub async fn get_parents_details(
         .load(conn)
         .await
 }
+
+pub async fn get_children(
+    conn: &mut AsyncPgConnection,
+    id: Uuid,
+) -> Result<Vec<Item>, diesel::result::Error> {
+    schema::items::table
+        .filter(schema::items::parent.eq(id))
+        .select(Item::as_select())
+        .load(conn)
+        .await
+}
diff --git a/templates/item_details.html b/templates/item_details.html
index 213c243..67f4263 100644
--- a/templates/item_details.html
+++ b/templates/item_details.html
@@ -49,4 +49,14 @@ SPDX-License-Identifier: AGPL-3.0-or-later
     </tr>
   </tbody>
 </table>
+
+{% if children.len() != 0 %}
+<h3 class="mt-4">Direct Children</h3>
+
+<ul>
+  {% for child in children %}
+  <li><a href="/item/{{ child.id }}">{{ child.name }}</a></li>
+  {% endfor %}
+</ul>
+{% endif %}
 {% endblock %}