Add alias tauri command

Returns either `null` or `string` for a lookup of an alias.

crates/radicle-tauri/src/commands/profile.rs

@@ -1,3 +1,4 @@
+use radicle::node::NodeId;
 use radicle_types::config::Config;
 use radicle_types::traits::Profile;
 
@@ -7,3 +8,8 @@ use crate::AppState;
 pub fn config(ctx: tauri::State<AppState>) -> Config {
     ctx.config()
 }
+
+#[tauri::command]
+pub fn alias(ctx: tauri::State<AppState>, nid: NodeId) -> Option<radicle::node::Alias> {
+    ctx.alias(nid)
+}

crates/radicle-tauri/src/lib.rs

@@ -95,6 +95,7 @@ pub fn run() {
             thread::create_issue_comment,
             thread::create_patch_comment,
             profile::config,
+            profile::alias,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");

crates/radicle-types/src/traits.rs

@@ -1,3 +1,5 @@
+use radicle::node::{AliasStore, NodeId};
+
 use crate::config::Config;
 
 pub mod auth;
@@ -19,6 +21,13 @@ pub trait Profile {
             seeding_policy: p.config.node.seeding_policy,
         }
     }
+
+    fn alias(&self, nid: NodeId) -> Option<radicle::node::Alias> {
+        let p = self.profile();
+        let aliases = p.aliases();
+
+        aliases.alias(&nid)
+    }
 }
 
 #[cfg(test)]