Refactor recipe fetching logic to use a new constructor for Recipes, improving code clarity and reducing duplication.

backend/src/html_templates.rs

@@ -2,7 +2,7 @@ use askama::Template;
 
 use crate::{
     Context,
-    data::model,
+    data::{db, model},
     translation::{self, Sentence, Tr},
 };
 
@@ -13,6 +13,24 @@ pub struct Recipes {
 }
 
 impl Recipes {
+    pub async fn new(
+        connection: db::Connection,
+        user: &Option<model::User>,
+        lang: &str,
+    ) -> Result<Self, db::DBError> {
+        Ok(Recipes {
+            public: connection
+                .get_all_public_recipe_titles(lang, user.as_ref().map(|u| u.id))
+                .await?,
+            private: if let Some(user) = user {
+                connection.get_all_private_recipe_titles(user.id).await?
+            } else {
+                vec![]
+            },
+            current_id: None,
+        })
+    }
+
     pub fn is_current(&self, id: &&i64) -> bool {
         self.current_id == Some(**id)
     }