server: Add a route to add a recipe

src/routes/recipe.rs

@@ -0,0 +1,62 @@
+use api::{CreateRecipeRequest, CreateRecipeResponse};
+use axum::{extract::State, Json};
+use sea_orm::{prelude::*, ActiveValue, TransactionTrait};
+
+use crate::entity::{ingredient, prelude::*, recipe, recipe_ingerdients, recipe_steps};
+
+use super::{household::AuthorizedHousehold, AppState, JsonResult, RouteError};
+
+pub(super) async fn create_recipe(
+    AuthorizedHousehold(household): AuthorizedHousehold,
+    State(state): State<AppState>,
+    Json(request): Json<CreateRecipeRequest>,
+) -> JsonResult<CreateRecipeResponse> {
+    let id = state
+        .db
+        .transaction(|txn| {
+            Box::pin(async move {
+                let model = recipe::ActiveModel {
+                    name: ActiveValue::Set(request.name),
+                    ranking: ActiveValue::Set(request.rating as i32),
+                    ..Default::default()
+                };
+
+                let recipe = model.insert(txn).await?;
+                for (num, text) in request.steps.into_iter().enumerate() {
+                    let model = recipe_steps::ActiveModel {
+                        num: ActiveValue::Set(num as _),
+                        recipe_id: ActiveValue::Set(recipe.id),
+                        text: ActiveValue::Set(text),
+                    };
+
+                    model.insert(txn).await?;
+                }
+
+                for (ig, amount) in request.ingredients {
+                    if 0 == household
+                        .find_related(Ingredient)
+                        .filter(ingredient::Column::Id.eq(ig))
+                        .count(txn)
+                        .await?
+                    {
+                        Err(RouteError::InvalidRequest(format!(
+                            "No such ingredient {ig}"
+                        )))?;
+                    }
+
+                    let model = recipe_ingerdients::ActiveModel {
+                        recipe_id: ActiveValue::Set(recipe.id),
+                        ingredient_id: ActiveValue::Set(ig),
+                        amount: ActiveValue::Set(amount),
+                    };
+
+                    model.insert(txn).await?;
+                }
+
+                Ok(recipe.id)
+            })
+        })
+        .await?;
+
+    Ok(CreateRecipeResponse { id }.into())
+}