add reward card feature with barcodes

src/ports.rs

@@ -3,7 +3,7 @@ use sqlx::SqliteConnection;
 
 use crate::domain::{
     Category, DomainResult, GroceryList, Item, ListMeal, Meal, MealCategory, MealIngredient,
-    Passkey, PresenceUser, SessionUser, User,
+    Passkey, PresenceUser, RewardsCard, SessionUser, User,
 };
 
 /// Repositories take `&mut SqliteConnection` (which a `Transaction` derefs to),
@@ -314,3 +314,27 @@ pub enum HubEvent {
     ListChanged { list_id: i64, revision: i64 },
     PresenceChanged { list_id: i64 },
 }
+
+/// Stores and retrieves a user's rewards cards.
+#[async_trait]
+pub trait RewardsCardRepository: Send + Sync {
+    async fn list_cards(
+        &self,
+        txn: &mut SqliteConnection,
+        user_id: i64,
+    ) -> DomainResult<Vec<RewardsCard>>;
+    async fn create_card(
+        &self,
+        txn: &mut SqliteConnection,
+        user_id: i64,
+        store_name: String,
+        number: String,
+        symbology: String,
+    ) -> DomainResult<RewardsCard>;
+    async fn delete_card(
+        &self,
+        txn: &mut SqliteConnection,
+        user_id: i64,
+        card_id: i64,
+    ) -> DomainResult<()>;
+}