Uses new IngredientListManager :)

cookbook/src/bin/show_recipes.rs

@@ -1,35 +1,18 @@
 extern crate cookbook;
 extern crate diesel;
 
-use self::cookbook::*;
-
-use diesel::sqlite::SqliteConnection;
 use cookbook::{
-    ingredients::IngredientList,
-    recipes::Recipe,
+    establish_connection,
+    recipes::{self, Recipe},
 };
 
-struct IngredientListManager<'a>(&'a SqliteConnection, IngredientList);
-
-impl<'a> IngredientListManager<'a> {
-    fn display_lines(&self) -> String {
-        let mut repr = String::new();
-        for id in self.1.iter() {
-            let ingdt = ingredients::get(self.0, id).expect("Database integrity error");
-            repr.push_str(&format!("{}\n", ingdt.alias));
-        }
-        repr
-    }
-}
-
 fn main() {
-
     let conn = establish_connection();
     let result = recipes::load_all(&conn);
     println!("Here are {} recipes [{}]:", result.len(), result.len() * std::mem::size_of::<Recipe>());
     for rec in result {
         println!("*************\n{}\n({:?})", rec.title, rec.category);
         println!("-------------\n");
-        println!("{}", IngredientListManager(&conn, rec.ingredients).display_lines());
+        println!("{}", rec.ingredients.into_manager(&conn).display_lines());
     }
 }

cookbook/src/lib.rs

@@ -49,6 +49,26 @@ pub mod ingredients {
     use super::{SqliteConnection, schema};
     use super::diesel::prelude::*;
 
+    pub struct IngredientListManager<'a>(&'a SqliteConnection, IngredientList);
+
+    impl<'a> IngredientListManager<'a> {
+        pub fn display_lines(&self) -> String {
+            use self::get;
+            let mut repr = String::new();
+            for id in self.1.iter() {
+                let ingdt = get(self.0, id).expect("Database integrity error");
+                repr.push_str(&format!("{}\n", ingdt.alias));
+            }
+            repr
+        }
+    }
+
+    impl<'a> IngredientList {
+        pub fn into_manager(self, conn: &'a SqliteConnection) -> IngredientListManager<'a> {
+            IngredientListManager(conn, self)
+        }
+    }
+
     /// Returns the id of the ingredient identifiable by `name: &str`
     /// If the ingredient does not yet exists, it is inserted in database.
     pub fn get_id_or_create(conn: &SqliteConnection, name: &str) -> Result<i32,String> {

web/html/index.html

@@ -19,7 +19,10 @@
     <button @click="closeActiveView" class="button is-pulled-right">X close</button>
     <h4 class="title">{{ items[active_view].title }}</h4>
     <h6 class="subtitle">{{ categories[items[active_view].category].name }}</h6>
-    <p><strong>{{ items[active_view].ingredients }}</strong></p>
+    <p><strong>Ingredients : </strong></p>
+    <ul>
+      <li v-for="ing in items[active_view].ingredients.split('\n')">{{ ing }}</li>
+    </ul>
     <button @click="deleteRecipe(items[active_view].id)" class="button is-danger is-pulled-right">DELETE !</button>
   </div>
   </section>

web/src/main.rs

@@ -25,8 +25,9 @@ mod api {
     #[database("cookbook_db")]
     pub struct CookbookDbConn(diesel::SqliteConnection);
 
+    /// A serializable wrapper for [`cookbook::recipes::Recipe`]
     #[derive(Serialize)]
-    pub struct Recipe {
+    pub struct RecipeObject {
         id: i32,
         title: String,
         category: i16,
@@ -34,33 +35,34 @@ mod api {
         preparation: String,
     }
 
-    impl Recipe {
-        fn from(rec: recipes::Recipe) -> Recipe {
-            Recipe {
+    impl RecipeObject {
+        fn from(conn: &diesel::SqliteConnection, rec: recipes::Recipe) -> Self {
+            Self {
                 id: rec.id,
                 title: rec.title,
                 category: rec.category as i16,
-                ingredients: rec.ingredients.as_string(),
+                ingredients: rec.ingredients
+                                .into_manager(conn)
+                                .display_lines(),
                 preparation: rec.preparation,
             }
         }
     }
 
+    /// Retrieves data from database and returns all recipes,
+    /// transformed into a js friendly [`RecipeObject`].
     #[get("/list")]
-    pub fn recipes_list(conn: CookbookDbConn) -> Json<Vec<Recipe>> {
-        Json(
-            recipes::load_all(&conn)
-                .into_iter()
-                .map(|r| Recipe::from(r))
-                .collect()
-        )
+    pub fn recipes_list(conn: CookbookDbConn) -> Json<Vec<RecipeObject>> {
+        Json( recipes::load_all(&conn)
+                       .into_iter()
+                       .map(|r| RecipeObject::from(&conn, r))
+                       .collect() )
     }
 
+    /// Delete a recipe given it's `id`
     #[get("/delete/<id>")]
     pub fn delete_recipe(conn: CookbookDbConn, id: i32) -> Json<bool> {
-        Json(
-            recipes::delete(&conn, id)
-        )
+        Json( recipes::delete(&conn, id) )
     }
 }