Create GlobalState

src/util/mod.rs

@@ -5,3 +5,5 @@ cfg_if! {
 		pub mod audio;
 	}
 }
+
+pub mod state;

src/util/state.rs

@@ -0,0 +1,49 @@
+use leptos::*;
+use leptos::logging::*;
+
+use crate::playstatus::PlayStatus;
+use crate::models::User;
+use crate::auth::get_logged_in_user;
+
+/// Global front-end state
+/// Contains anything frequently needed across multiple components
+/// Behaves like a singleton, in that provide/expect_context will
+/// always return the same instance
+#[derive(Clone)]
+pub struct GlobalState {
+	/// A resource that fetches the logged in user
+	/// This will not automatically refetch, so any login/logout related code
+	/// should call `refetch` on this resource
+    pub logged_in_user: Resource<(), Option<User>>,
+
+    /// The current play status
+    pub play_status: RwSignal<PlayStatus>,
+}
+
+impl GlobalState {
+    pub fn new() -> Self {
+        let play_status = create_rw_signal(PlayStatus::default());
+
+        let logged_in_user = create_resource(|| (), |_| async {
+            get_logged_in_user().await
+                .inspect_err(|e| {
+                    error!("Error getting logged in user: {:?}", e);
+                })
+                .ok()
+                .flatten()
+        });
+
+        Self {
+            logged_in_user,
+            play_status,
+        }
+    }
+
+    pub fn logged_in_user() -> Resource<(), Option<User>> {
+        expect_context::<Self>().logged_in_user
+    }
+
+    pub fn play_status() -> RwSignal<PlayStatus> {
+        expect_context::<Self>().play_status
+    }
+}