From 47183b6e7a374bb588a10762b8809f2ea219e759 Mon Sep 17 00:00:00 2001
From: Jeremy Wall <jeremy@marzhillstudios.com>
Date: Wed, 18 Jan 2023 19:29:44 -0500
Subject: [PATCH] Add plan deletion to the UI

---
 kitchen/src/web/mod.rs                 |  4 +++-
 web/src/api.rs                         | 20 ++++++++++++++++++++
 web/src/app_state.rs                   | 24 ++++++++++++++++++++++++
 web/src/components/plan_list.rs        |  5 +++++
 web/src/components/recipe_selection.rs |  2 +-
 5 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/kitchen/src/web/mod.rs b/kitchen/src/web/mod.rs
index 7c3b626..9cccadf 100644
--- a/kitchen/src/web/mod.rs
+++ b/kitchen/src/web/mod.rs
@@ -519,7 +519,9 @@ fn mk_v2_routes() -> Router {
         .route("/plan/since/:date", get(api_plan_since))
         .route(
             "/plan/at/:date",
-            get(api_plan_for_date).post(api_save_plan_for_date),
+            get(api_plan_for_date)
+                .post(api_save_plan_for_date)
+                .delete(api_delete_plan_for_date),
         )
         .route("/plan/all", get(api_all_plans))
         .route(
diff --git a/web/src/api.rs b/web/src/api.rs
index 10d6f97..848e7a8 100644
--- a/web/src/api.rs
+++ b/web/src/api.rs
@@ -257,6 +257,13 @@ impl LocalStore {
         }
     }
 
+    pub fn delete_plan_for_date(&self, date: &NaiveDate) {
+        self.store.delete("plan").expect("Failed to delete plan");
+        self.store
+            .delete("inventory")
+            .expect("Failed to delete inventory data");
+    }
+
     pub fn set_plan_date(&self, date: &NaiveDate) {
         self.store
             .set(
@@ -664,6 +671,19 @@ impl HttpStore {
         }
     }
 
+    pub async fn delete_plan_for_date(&self, date: &NaiveDate) -> Result<(), Error> {
+        let mut path = self.v2_path();
+        path.push_str("/plan");
+        path.push_str("/at");
+        path.push_str(&format!("/{}", date));
+        let resp = reqwasm::http::Request::delete(&path).send().await?;
+        if resp.status() != 200 {
+            Err(format!("Status: {}", resp.status()).into())
+        } else {
+            Ok(())
+        }
+    }
+
     pub async fn fetch_plan_for_date(
         &self,
         date: &NaiveDate,
diff --git a/web/src/app_state.rs b/web/src/app_state.rs
index 4aac4a3..105a3b9 100644
--- a/web/src/app_state.rs
+++ b/web/src/app_state.rs
@@ -75,6 +75,7 @@ pub enum Message {
     SaveState(Option<Box<dyn FnOnce()>>),
     LoadState(Option<Box<dyn FnOnce()>>),
     UpdateStaples(String, Option<Box<dyn FnOnce()>>),
+    DeletePlan(NaiveDate, Option<Box<dyn FnOnce()>>),
     SelectPlanDate(NaiveDate, Option<Box<dyn FnOnce()>>),
 }
 
@@ -117,6 +118,7 @@ impl Debug for Message {
             Self::LoadState(_) => write!(f, "LoadState"),
             Self::UpdateStaples(arg, _) => f.debug_tuple("UpdateStaples").field(arg).finish(),
             Self::SelectPlanDate(arg, _) => f.debug_tuple("SelectPlanDate").field(arg).finish(),
+            Self::DeletePlan(arg, _) => f.debug_tuple("DeletePlan").field(arg).finish(),
         }
     }
 }
@@ -484,6 +486,28 @@ impl MessageMapper<Message, AppState> for StateMachine {
                 // the original signal.
                 return;
             }
+            Message::DeletePlan(date, callback) => {
+                let store = self.store.clone();
+                let local_store = self.local_store.clone();
+                spawn_local_scoped(cx, async move {
+                    store
+                        .delete_plan_for_date(&date)
+                        .await
+                        .expect("Failed to delete meal plan for date");
+                    local_store.delete_plan_for_date(&date);
+
+                    original_copy.plan_dates.remove(&date);
+                    // Reset all meal planning state;
+                    let _ = original_copy.recipe_counts.iter_mut().map(|(_, v)| *v = 0);
+                    original_copy.filtered_ingredients = BTreeSet::new();
+                    original_copy.modified_amts = BTreeMap::new();
+                    original_copy.extras = Vec::new();
+                    original.set(original_copy);
+
+                    callback.map(|f| f());
+                });
+                return;
+            }
         }
         original.set(original_copy);
     }
diff --git a/web/src/components/plan_list.rs b/web/src/components/plan_list.rs
index 277f1db..c7e8fb6 100644
--- a/web/src/components/plan_list.rs
+++ b/web/src/components/plan_list.rs
@@ -42,6 +42,11 @@ pub fn PlanList<'ctx, G: Html>(cx: Scope<'ctx>, props: PlanListProps<'ctx>) -> V
                                         sh.dispatch(cx, Message::SelectPlanDate(date, None))
                                     }) { (date_display) }
                                 }
+                                td() {
+                                    span(role="button", class="destructive", on:click=move |_| {
+                                        sh.dispatch(cx, Message::DeletePlan(date, None))
+                                    }) { "Delete Plan" }
+                                }
                             }
                         }
                     },
diff --git a/web/src/components/recipe_selection.rs b/web/src/components/recipe_selection.rs
index 7eb379d..8c0f5d3 100644
--- a/web/src/components/recipe_selection.rs
+++ b/web/src/components/recipe_selection.rs
@@ -50,7 +50,7 @@ pub fn RecipeSelection<'ctx, G: Html>(
             .get()
             .recipe_counts
             .get(id_for_count.as_ref())
-            .unwrap()
+            .unwrap_or(&0)
     });
     let count = create_signal(cx, format!("{}", *current_count.get_untracked()));
     create_effect(cx, || {