feat: allow async function in command

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

crates/hyperlog-tui/src/querier/remote.rs

@@ -0,0 +1,106 @@
+use std::collections::BTreeMap;
+
+use hyperlog_core::log::GraphItem;
+use hyperlog_protos::hyperlog::{graph_client::GraphClient, graph_item::Contents, GetRequest};
+use itertools::Itertools;
+use tonic::transport::Channel;
+
+use crate::shared_engine::SharedEngine;
+
+pub struct Querier {
+    channel: Channel,
+}
+
+impl Querier {
+    pub async fn new() -> anyhow::Result<Self> {
+        let channel = Channel::from_static("http://localhost:4000")
+            .connect()
+            .await?;
+
+        Ok(Self { channel })
+    }
+
+    pub async fn get_available_roots(&self) -> Option<Vec<String>> {
+        //self.engine.get_roots()
+        todo!()
+    }
+
+    pub async fn get(
+        &self,
+        root: &str,
+        path: impl IntoIterator<Item = impl Into<String>>,
+    ) -> anyhow::Result<Option<GraphItem>> {
+        let paths = path.into_iter().map(|i| i.into()).collect_vec();
+
+        tracing::debug!(
+            "quering: root:({}), path:({}), len: ({}))",
+            root,
+            paths.join("."),
+            paths.len()
+        );
+
+        let channel = self.channel.clone();
+
+        let mut client = GraphClient::new(channel);
+
+        let request = tonic::Request::new(GetRequest {
+            root: root.into(),
+            paths,
+        });
+
+        let response = client.get(request).await?;
+
+        let graph_item = response.into_inner();
+
+        if let Some(item) = graph_item.item {
+            Ok(transform_proto_to_local(&item))
+        } else {
+            Ok(None)
+        }
+    }
+}
+
+fn transform_proto_to_local(input: &hyperlog_protos::hyperlog::GraphItem) -> Option<GraphItem> {
+    match &input.contents {
+        Some(item) => match item {
+            Contents::User(user) => {
+                let mut items = BTreeMap::new();
+
+                for (key, value) in &user.items {
+                    if let Some(item) = transform_proto_to_local(value) {
+                        items.insert(key.clone(), item);
+                    }
+                }
+
+                Some(GraphItem::User(items))
+            }
+            Contents::Section(section) => {
+                let mut items = BTreeMap::new();
+
+                for (key, value) in &section.items {
+                    if let Some(item) = transform_proto_to_local(value) {
+                        items.insert(key.clone(), item);
+                    }
+                }
+
+                Some(GraphItem::Section(items))
+            }
+            Contents::Item(item) => Some(GraphItem::Item {
+                title: item.title.clone(),
+                description: item.description.clone(),
+                state: match &item.item_state {
+                    Some(state) => match state {
+                        hyperlog_protos::hyperlog::item_graph_item::ItemState::NotDone(_) => {
+                            hyperlog_core::log::ItemState::NotDone
+                        }
+                        hyperlog_protos::hyperlog::item_graph_item::ItemState::Done(_) => {
+                            hyperlog_core::log::ItemState::Done
+                        }
+                    },
+                    None => hyperlog_core::log::ItemState::NotDone,
+                },
+            }),
+        },
+        None => None,
+    }
+}