basket logic working

migration/src/lib.rs

@@ -52,6 +52,7 @@ mod m20260623_000004_currencies;
 mod m20260625_000001_add_avatar_to_users;
 mod m20260627_000001_order_residence_address;
 mod m20260627_000002_payment_settings;
+mod m20260627_000003_account_cart_items;
 pub struct Migrator;
 
 #[async_trait::async_trait]
@@ -108,6 +109,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20260625_000001_add_avatar_to_users::Migration),
             Box::new(m20260627_000001_order_residence_address::Migration),
             Box::new(m20260627_000002_payment_settings::Migration),
+            Box::new(m20260627_000003_account_cart_items::Migration),
             // inject-above (do not remove this comment)
         ]
     }

migration/src/m20260627_000003_account_cart_items.rs

@@ -0,0 +1,48 @@
+use loco_rs::schema::*;
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, m: &SchemaManager) -> Result<(), DbErr> {
+        create_table(
+            m,
+            "account_cart_items",
+            &[
+                ("id", ColType::PkAuto),
+                ("variant_id", ColType::Integer),
+                ("quantity", ColType::Integer),
+            ],
+            &[("user", "")],
+        )
+        .await?;
+
+        m.create_foreign_key(
+            ForeignKey::create()
+                .name("fk-account_cart_items-variant_id-to-product_variants")
+                .from(Alias::new("account_cart_items"), Alias::new("variant_id"))
+                .to(Alias::new("product_variants"), Alias::new("id"))
+                .on_delete(ForeignKeyAction::Cascade)
+                .on_update(ForeignKeyAction::NoAction)
+                .to_owned(),
+        )
+        .await?;
+
+        m.create_index(
+            Index::create()
+                .name("idx_account_cart_items_user_variant_unique")
+                .table(Alias::new("account_cart_items"))
+                .col(Alias::new("user_id"))
+                .col(Alias::new("variant_id"))
+                .unique()
+                .to_owned(),
+        )
+        .await
+    }
+
+    async fn down(&self, m: &SchemaManager) -> Result<(), DbErr> {
+        drop_table(m, "account_cart_items").await
+    }
+}