Add resolvers to get details of specific runs (#89)

On the instrumentSession object, run takes a scan number as these should
be unique within a session. On the root, it takes a run id as these
should be unique across tiled.

Author: tpoliaw

src/clients.rs

@@ -69,6 +69,16 @@ impl TiledClient {
         self.request(&format!("api/v1/search/{}", path), headers, Some(query))
             .await
     }
+
+    pub async fn metadata(
+        &self,
+        id: String,
+        headers: Option<HeaderMap>,
+    ) -> ClientResult<node::Metadata> {
+        self.request(&format!("api/v1/metadata/{id}"), headers, None)
+            .await
+    }
+
     pub async fn table_full(
         &self,
         path: &str,

src/model.rs

@@ -13,7 +13,7 @@ use serde_json::Value;
 use tracing::{info, instrument};
 
 use crate::RootAddress;
-use crate::clients::TiledClient;
+use crate::clients::{ClientError, TiledClient};
 use crate::handlers::AuthHeader;
 use crate::model::node::NodeAttributes;
 
@@ -29,6 +29,18 @@ impl TiledQuery {
     async fn instrument_session(&self, name: String) -> InstrumentSession {
         InstrumentSession { name }
     }
+
+    async fn run(&self, ctx: &Context<'_>, id: String) -> Result<Option<Run>> {
+        let auth = ctx.data::<Option<AuthHeader>>()?;
+        let headers = auth.as_ref().map(AuthHeader::as_header_map);
+        match ctx.data::<TiledClient>()?.metadata(id, headers).await {
+            Ok(run) => Ok(Some(Run {
+                data: run.into_data(),
+            })),
+            Err(ClientError::TiledRequest(404, _)) => Ok(None),
+            Err(other) => Err(other.into()),
+        }
+    }
 }
 
 struct InstrumentSession {

src/model/node.rs

@@ -6,9 +6,12 @@ use serde_json::Value;
 
 use crate::model::{array, container, table};
 
+pub type Root = Response<Vec<DataOption>>;
+pub type Metadata = Response<Data>;
+
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
-pub struct Root {
-    data: Vec<DataOption>,
+pub struct Response<D> {
+    data: D,
     pub error: Value,
     pub links: Option<Links>,
     pub meta: Value,
@@ -23,6 +26,12 @@ impl Root {
     }
 }
 
+impl Metadata {
+    pub fn into_data(self) -> Data {
+        self.data
+    }
+}
+
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
 #[serde(untagged)]
 pub enum DataOption {