From 1a0ffb2d89535f603babc9f3e9407f14f7253b4b Mon Sep 17 00:00:00 2001
From: traxys <quentin+dev@familleboyer.net>
Date: Sun, 25 Jun 2023 15:13:15 +0200
Subject: [PATCH] app,server: Allow to display a recipe

---
 api/src/lib.rs       |  7 ++++
 app/src/main.rs      |  2 +-
 app/src/recipe.rs    | 89 +++++++++++++++++++++++++++++++++++++++++++-
 src/routes/mod.rs    |  4 ++
 src/routes/recipe.rs | 61 +++++++++++++++++++++++++++++-
 5 files changed, 159 insertions(+), 4 deletions(-)

diff --git a/api/src/lib.rs b/api/src/lib.rs
index 48f86b8..1dbc720 100644
--- a/api/src/lib.rs
+++ b/api/src/lib.rs
@@ -101,3 +101,10 @@ pub struct CreateRecipeResponse {
 pub struct ListRecipesResponse {
     pub recipes: Vec<(i64, String)>,
 }
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub struct RecipeInfo {
+    pub name: String,
+    pub steps: Vec<String>,
+    pub ingredients: Vec<(i64, IngredientInfo, f64)>,
+}
diff --git a/app/src/main.rs b/app/src/main.rs
index f9ea807..bfdf73d 100644
--- a/app/src/main.rs
+++ b/app/src/main.rs
@@ -515,7 +515,7 @@ fn switch(route: Route) -> Html {
         },
         Route::Recipe { id } => html! {
             <GlobalStateRedirector {route}>
-                {format!("RECIPE {id}")}
+                <recipe::RecipeViewer {id} />
             </GlobalStateRedirector>
         },
         Route::SearchRecipe => html!{ 
diff --git a/app/src/recipe.rs b/app/src/recipe.rs
index ec20d49..dd07948 100644
--- a/app/src/recipe.rs
+++ b/app/src/recipe.rs
@@ -1,3 +1,4 @@
+use api::RecipeInfo;
 use uuid::Uuid;
 use yew::{prelude::*, suspense::use_future};
 use yew_router::prelude::*;
@@ -34,7 +35,7 @@ fn RecipeListInner(props: &RecipeListProps) -> HtmlResult {
     Ok(match &*state {
         Ok(l) => html! {
             <div class="container text-center">
-                <div class="row row-cols-2 row-cols-sm-2 row-cols-md-4 g-2 mb-1">
+                <div class="row row-cols-2 row-cols-sm-2 row-cols-md-4 g-2 mb-2">
                     {for l.recipes.iter().map(|(id, name)| html!{
                         <div class="col" key={*id}>
                             <div class="p-3 border rounded border-light-subtle h-100">
@@ -82,3 +83,89 @@ pub fn RecipeList() -> Html {
         </div>
     }
 }
+
+#[derive(PartialEq, Eq, Clone, Properties)]
+pub struct RecipeViewerProps {
+    pub id: i64,
+}
+
+#[derive(PartialEq, Eq, Clone, Properties)]
+struct RecipeViewerInnerProps {
+    id: i64,
+    token: String,
+    household: Uuid,
+}
+
+async fn fetch_recipe(token: String, household: Uuid, id: i64) -> anyhow::Result<RecipeInfo> {
+    let rsp = gloo_net::http::Request::get(api!("household/{household}/recipe/{id}"))
+        .header("Authorization", &format!("Bearer {token}"))
+        .send()
+        .await?;
+
+    if !rsp.ok() {
+        let body = rsp.text().await.unwrap_or_default();
+        anyhow::bail!("Could not get recipe (code={}): {body}", rsp.status());
+    }
+
+    Ok(rsp.json().await?)
+}
+
+#[function_component]
+fn RecipeViewerInner(props: &RecipeViewerInnerProps) -> HtmlResult {
+    let recipe = use_future(|| fetch_recipe(props.token.clone(), props.household, props.id))?;
+
+    Ok(match &*recipe {
+        Ok(r) => html! {<>
+            <h1>{&r.name}</h1>
+            <hr />
+            <div class="text-start">
+                <h2>{"Ingredients"}</h2>
+                <ul class="list-group">
+                    {for r.ingredients.iter().map(|(id, info, amount)| html!{
+                        <li key={*id} class="list-group-item">
+                            {format!("{amount}{} {}", info.unit.as_deref().unwrap_or(""), info.name)}
+                        </li>
+                    })}
+                </ul>
+            </div>
+            <hr />
+            <div class="text-start">
+                <h2>{"Steps"}</h2>
+                <ul class="list-group list-group-flush">
+                    {for r.steps.iter().map(|text| html!{
+                        <li class="list-group-item">{text}</li>
+                    })}
+                </ul>
+            </div>
+        </>},
+        Err(e) => html! {
+            <div class={classes!("alert", "alert-danger")} role="alert">
+                {format!("Error fetching recipe: {e}")}
+            </div>
+        },
+    })
+}
+
+#[function_component]
+pub fn RecipeViewer(props: &RecipeViewerProps) -> Html {
+    let global_state = use_state(RegaladeGlobalState::get);
+    let fallback = html! {
+        <div class="spinner-border" role="status">
+            <span class="visually-hidden">{"Loading ..."}</span>
+        </div>
+    };
+
+    html! {
+        <div class="d-flex align-items-center justify-content-center w-100">
+            <div class={classes!("container", "text-center", "rounded", "border", "pt-2", "m-2")}>
+                <Suspense {fallback}>
+                    <RecipeViewerInner
+                        id={props.id}
+                        token={global_state.token.token.clone()}
+                        household={global_state.household.id}
+                    />
+                </Suspense>
+            </div>
+        </div>
+    }
+}
diff --git a/src/routes/mod.rs b/src/routes/mod.rs
index b0c3780..ab5d313 100644
--- a/src/routes/mod.rs
+++ b/src/routes/mod.rs
@@ -222,4 +222,8 @@ pub(crate) fn router(api_allowed: Option<HeaderValue>) -> Router<AppState> {
                 .get(recipe::list_recipes)
                 .layer(mk_service(vec![Method::POST, Method::GET])),
         )
+        .route(
+            "/household/:house_id/recipe/:recipe_id",
+            get(recipe::fetch_recipe).layer(mk_service(vec![Method::GET])),
+        )
 }
diff --git a/src/routes/recipe.rs b/src/routes/recipe.rs
index 186ccda..2fc4a9d 100644
--- a/src/routes/recipe.rs
+++ b/src/routes/recipe.rs
@@ -1,5 +1,10 @@
-use api::{CreateRecipeRequest, CreateRecipeResponse, ListRecipesResponse};
-use axum::{extract::State, Json};
+use api::{
+    CreateRecipeRequest, CreateRecipeResponse, IngredientInfo, ListRecipesResponse, RecipeInfo,
+};
+use axum::{
+    extract::{Path, State},
+    Json,
+};
 use sea_orm::{prelude::*, ActiveValue, TransactionTrait};
 
 use crate::entity::{ingredient, prelude::*, recipe, recipe_ingerdients, recipe_steps};
@@ -77,3 +82,55 @@ pub(super) async fn list_recipes(
     }
     .into())
 }
+
+#[derive(serde::Deserialize)]
+pub(super) struct RecipeId {
+    recipe_id: i64,
+}
+
+pub(super) async fn fetch_recipe(
+    AuthorizedHousehold(household): AuthorizedHousehold,
+    State(state): State<AppState>,
+    Path(RecipeId { recipe_id }): Path<RecipeId>,
+) -> JsonResult<RecipeInfo> {
+    let Some(recipe) = household
+        .find_related(Recipe)
+        .filter(recipe::Column::Id.eq(recipe_id))
+        .one(&state.db).await? else {
+        return Err(RouteError::RessourceNotFound);
+    };
+
+    let steps = recipe
+        .find_related(RecipeSteps)
+        .all(&state.db)
+        .await?
+        .into_iter()
+        .map(|m| m.text)
+        .collect();
+
+    let recipe_ingredients = recipe.find_related(Ingredient).all(&state.db).await?;
+
+    let mut ingredients = Vec::new();
+
+    for ingredient in recipe_ingredients {
+        ingredients.push((
+            ingredient.id,
+            IngredientInfo {
+                name: ingredient.name,
+                unit: ingredient.unit,
+            },
+            RecipeIngerdients::find_by_id((recipe.id, ingredient.id))
+                .one(&state.db)
+                .await?
+                .expect("Ingredient should exist as it was fetched")
+                .amount,
+        ));
+    }
+
+    Ok(RecipeInfo {
+        name: recipe.name,
+        steps,
+        ingredients,
+    }
+    .into())
+}