fix: hydration bug

crates/ascend/src/pages/wall.rs

@@ -5,7 +5,6 @@ use crate::models::HoldRole;
 use leptos::prelude::*;
 use serde::Deserialize;
 use serde::Serialize;
-use std::collections::BTreeMap;
 
 #[component]
 pub fn Wall() -> impl leptos::IntoView {
@@ -30,21 +29,33 @@ fn WallReady(data: InitialData) -> impl leptos::IntoView {
         }
     }
 
-    let mut cells = vec![];
-
-    let current_problem = OnceResource::new(async move {
-        let problem = get_random_problem().await.unwrap();
-        problem
+    let (current_problem, current_problem_writer) = signal(None::<models::Problem>);
+    LocalResource::new(move || async move {
+        leptos::logging::log!("Loading random problem");
+        let problem = get_random_problem().await.expect("cannot get random problem");
+        current_problem_writer.set(Some(problem.into_inner()));
     });
 
+    let mut cells = vec![];
     for &hold_position in &hold_positions {
-        let role = move || current_problem.get().map(|problem| problem.holds.get(&hold_position).copied()).flatten();
+        let role = move || {
+            let x = current_problem
+                .get()
+                .map(|problem| {
+                    let role = problem.holds.get(&hold_position)?;
+                    // leptos::logging::log!("{hold_position:?}: {role:?}");
+                    Some(*role)
+                })
+                .flatten();
+            x
+        };
+        let role = Signal::derive(role);
 
-        let cell = view! { <Cell role=Signal::derive(role)/> };
+        let cell = view! { <Cell role/> };
         cells.push(cell);
     }
 
-    leptos::view! {
+    view! {
         <div class="container mx-auto border">
             <div class="grid grid-rows-4 grid-cols-12 gap-4">{cells}</div>
         </div>
@@ -52,30 +63,45 @@ fn WallReady(data: InitialData) -> impl leptos::IntoView {
 }
 
 #[component]
-fn Cell(role: Signal<Option<HoldRole>>) -> impl leptos::IntoView {
-    let role_classes = move || {
-        role.get().map(|role| match role {
-            HoldRole::Start => "outline outline-offset-2",
-            HoldRole::Normal => "outline outline-offset-2",
-            HoldRole::Zone => "outline outline-offset-2",
-            HoldRole::End => "outline outline-offset-2",
-        })
-    };
-
-    let class = move || {
+fn Cell(#[prop(into)] role: Signal<Option<HoldRole>>) -> impl leptos::IntoView {
+    let classes = move || {
+        let role_classes = role.get().map(|role| match role {
+            HoldRole::Start => "outline outline-offset-2 outline-green-500",
+            HoldRole::Normal => "outline outline-offset-2 outline-blue-500",
+            HoldRole::Zone => "outline outline-offset-2 outline-amber-500",
+            HoldRole::End => "outline outline-offset-2 outline-red-500",
+        });
         let mut s = "aspect-square rounded border-2 border-dashed border-sky-500 bg-indigo-100".to_string();
-        if let Some(c) = role_classes() {
+        if let Some(c) = role_classes {
             s.push_str(" ");
             s.push_str(c);
         }
         s
     };
 
+    // let is_start = move || matches!(role.get(), Some(HoldRole::Start));
+    // let is_normal = move || matches!(role.get(), Some(HoldRole::Normal));
+    // let is_end = move || matches!(role.get(), Some(HoldRole::End));
+
+    // let classes_start = "outline outline-offset-2 outline-green-500";
+
     view! {
-        <div class=class>
+        <div
+           class=move || classes()
+
+           // class="aspect-square rounded border-2 border-dashed border-sky-500 bg-indigo-100"
+           // class=move || (is_start().then_some("outline outline-offset-2 outline-green-500"))
+           // class=(["outline", "outline-offset-2", "outline-green-500"], is_start)
+           // class=(["outline", "outline-offset-2", "outline-blue-500"], is_normal)
+           // class=(["outline", "outline-offset-2", "outline-red-500"], is_end)
+       >
             "o"
         </div>
     }
+
+    // view! {
+    //     {format!("{:?}", role)}
+    // }
 }
 
 #[derive(Serialize, Deserialize, Clone)]
@@ -101,5 +127,8 @@ async fn get_random_problem() -> Result<RonCodec<models::Problem>, ServerFnError
 
     // TODO: Actually randomize
     let problem = state.persistent.with(|s| s.problems.problems.iter().next().unwrap().clone()).await;
+
+    tracing::debug!("Returning randomized problem: {problem:?}");
+
     Ok(RonCodec::new(problem))
 }

crates/ascend/src/server.rs

@@ -130,7 +130,6 @@ async fn serve() -> Result<(), Error> {
 
     let server_state = load_state().await?;
 
-    // build our application with a route
     let app = Router::new()
         .leptos_routes_with_context(&leptos_options, routes, move || provide_context(server_state.clone()), {
             let leptos_options = leptos_options.clone();