feat: with backend

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/hyperlog-server/src/services/update_item.rs

@@ -0,0 +1,107 @@
+use hyperlog_core::log::ItemState;
+use sqlx::types::Json;
+
+use crate::state::SharedState;
+
+#[derive(Clone)]
+pub struct UpdateItem {
+    db: sqlx::PgPool,
+}
+
+pub struct Request {
+    pub root: String,
+    pub path: Vec<String>,
+
+    pub title: String,
+    pub description: String,
+    pub state: ItemState,
+}
+pub struct Response {}
+
+#[derive(serde::Serialize)]
+struct ItemContent {
+    pub title: String,
+    pub description: String,
+    pub state: ItemState,
+}
+
+#[derive(sqlx::FromRow)]
+struct Root {
+    id: uuid::Uuid,
+}
+
+impl UpdateItem {
+    pub fn new(db: sqlx::PgPool) -> Self {
+        Self { db }
+    }
+
+    pub async fn execute(&self, req: Request) -> anyhow::Result<Response> {
+        let Root { id: root_id, .. } =
+            sqlx::query_as(r#"SELECT * FROM roots WHERE root_name = $1"#)
+                .bind(req.root)
+                .fetch_one(&self.db)
+                .await?;
+        let Root { id: node_id } = sqlx::query_as(
+            r#"
+SELECT
+    id
+FROM
+    nodes
+WHERE 
+    root_id = $1
+    AND path = $2
+    AND item_type = $3
+            "#,
+        )
+        .bind(root_id)
+        .bind(req.path.join("."))
+        .bind("ITEM")
+        .fetch_one(&self.db)
+        .await?;
+
+        let (_, rest) = req
+            .path
+            .split_last()
+            .ok_or(anyhow::anyhow!("expected path to have at least one item"))?;
+
+        let mut rest = rest.to_vec();
+        rest.push(req.title.replace(".", "-"));
+
+        let res = sqlx::query(
+            r#"
+UPDATE 
+    nodes
+SET 
+    item_content = $1,
+    path = $2
+WHERE 
+    id = $3
+            "#,
+        )
+        .bind(Json(ItemContent {
+            title: req.title,
+            description: req.description,
+            state: req.state,
+        }))
+        .bind(rest.join("."))
+        .bind(node_id)
+        .execute(&self.db)
+        .await?;
+
+        if res.rows_affected() != 1 {
+            anyhow::bail!("failed to update item");
+        }
+
+        Ok(Response {})
+    }
+}
+
+pub trait UpdateItemExt {
+    fn update_item_service(&self) -> UpdateItem;
+}
+
+impl UpdateItemExt for SharedState {
+    fn update_item_service(&self) -> UpdateItem {
+        UpdateItem::new(self.db.clone())
+    }
+}