Navigate to recipe view from plan page

web/src/components/recipe.rs

@@ -49,19 +49,27 @@ fn steps(steps: ReadSignal<Vec<recipes::Step>>) -> View<G> {
 #[component(Recipe<G>)]
 pub fn recipe(idx: ReadSignal<usize>) -> View<G> {
     let app_service = use_context::<AppService>();
-    let recipe = app_service.get_recipes().get()[*idx.get()].1.clone();
-    let title = create_memo(cloned!((recipe) => move || recipe.get().title.clone()));
-    let desc = create_memo(
-        cloned!((recipe) => move || recipe.clone().get().desc.clone().unwrap_or_else(|| String::new())),
-    );
-    let steps = create_memo(cloned!((recipe) => move || recipe.get().steps.clone()));
-    view! {
-        div(class="recipe") {
-            h1(class="recipe_title") { (title.get()) }
-             div(class="recipe_description") {
-                 (desc.get())
-             }
-            Steps(steps)
+    let view = Signal::new(View::empty());
+    create_effect(cloned!((app_service, view) => move || {
+        if let Some((_, recipe)) = app_service.get_recipes().get().get(*idx.get()) {
+            let recipe = recipe.clone();
+            let title = create_memo(cloned!((recipe) => move || recipe.get().title.clone()));
+            let desc = create_memo(
+                cloned!((recipe) => move || recipe.clone().get().desc.clone().unwrap_or_else(|| String::new())),
+            );
+            let steps = create_memo(cloned!((recipe) => move || recipe.get().steps.clone()));
+            view.set(view! {
+                div(class="recipe") {
+                    h1(class="recipe_title") { (title.get()) }
+                     div(class="recipe_description") {
+                         (desc.get())
+                     }
+                    Steps(steps)
+                }
+            });
         }
+    }));
+    view! {
+        (view.get().as_ref())
     }
 }

web/src/components/recipe_selection.rs

@@ -38,7 +38,7 @@ pub fn recipe_selection(props: RecipeCheckBoxProps) -> View<G> {
     let count = Signal::new(format!("{}", app_service.get_recipe_count_by_index(i)));
     view! {
         div() {
-            label(for=id_cloned_2) { (props.title.get()) }
+            label(for=id_cloned_2) { a(href=format!("#recipe/{}", i)) { (props.title.get()) } }
             input(type="number", class="item-count-sel", min="0", bind:value=count.clone(), name=format!("recipe_id:{}", i), value=id_as_str.clone(), on:change=move |_| {
                 let mut app_service = app_service.clone();
                 debug!(idx=%i, count=%(*count.get()), "setting recipe count");

web/src/pages/recipe.rs

@@ -14,11 +14,14 @@
 use crate::components::{recipe::Recipe, tabs::*};
 
 use sycamore::prelude::*;
+use tracing::instrument;
 
+#[derive(Debug)]
 pub struct RecipePageProps {
     pub recipe: Signal<usize>,
 }
 
+#[instrument]
 #[component(RecipePage<G>)]
 pub fn recipe_page(props: RecipePageProps) -> View<G> {
     view! {

web/src/router_integration.rs

@@ -37,6 +37,16 @@ impl BrowserIntegration {
         )))
     }
 
+    #[instrument(skip(self, f))]
+    pub fn register_post_state_handler(&self, f: Box<dyn FnMut()>) {
+        let closure = Closure::wrap(f);
+        web_sys::window()
+            .unwrap_throw()
+            .add_event_listener_with_callback("popstate", closure.as_ref().unchecked_ref())
+            .unwrap_throw();
+        closure.forget();
+    }
+
     #[instrument(skip(self))]
     pub fn click_handler(&self) -> Box<dyn Fn(web_sys::Event)> {
         let route_signal = self.0.clone();
@@ -130,6 +140,12 @@ where
         }),
     );
 
+    let path_signal = integration.0.clone();
+    integration.register_post_state_handler(Box::new(cloned!((path_signal) => move || {
+        let location = web_sys::window().unwrap_throw().location();
+        path_signal.set((location.origin().unwrap_throw(), location.pathname().unwrap_throw(), location.hash().unwrap_throw()));
+    })));
+
     // NOTE(jwall): This needs to be a dynamic node so Sycamore knows to rerender it
     // based on the results of the effect above.
     view! {

web/src/web.rs

@@ -13,7 +13,7 @@
 // limitations under the License.
 use crate::pages::*;
 use crate::{app_state::*, components::*, router_integration::*, service::AppService};
-use tracing::{error, info, instrument};
+use tracing::{debug, error, info, instrument};
 
 use sycamore::{
     context::{ContextProvider, ContextProviderProps},
@@ -21,6 +21,7 @@ use sycamore::{
     prelude::*,
 };
 
+#[instrument]
 fn route_switch<G: Html>(route: ReadSignal<AppRoutes>) -> View<G> {
     // NOTE(jwall): This needs to not be a dynamic node. The rules around
     // this are somewhat unclear and underdocumented for Sycamore. But basically
@@ -66,6 +67,7 @@ pub fn ui() -> View<G> {
                     spawn_local_in_scope({
                         let mut app_service = app_service.clone();
                         async move {
+                            debug!("fetching recipes");
                             match AppService::fetch_recipes_from_storage() {
                                 Ok((_, Some(recipes))) => {
                                     app_service.set_recipes(recipes);