feat(medusa, link-modules): sales channel <> cart link (#5459)

* feat: sales channel joiner config

* feat: product sales channel link config, SC list method

* feat: migration

* fix: refactor list SC

* refactor: SC repo api

* chore: changeset

* feat: add dedicated FF

* wip: cart<>sc link and migration

* chore: changeset

* fix: update migration with the cart table constraints

* feat: populate the pivot table

* chore: remove relation from joiner config

* fix: constraint name

* fix: filter out link relations when calling internal services

* feat: product<> sc join entity

* fix: update case

* fix: add FF on in the repository, fix tests

* fix: assign id when FF is on

* fix: target table

* feat: product service - fetch SC with RQ

* feat: admin list products & SC with isolated product domain

* feat: get admin product

* feat: store endpoints

* fix: remove duplicate import

* fix: remove "name" prop

* feat: typeorm entity changes

* feat: pivot table, entity, on cart create changes

* feat: update carts' SC

* feat: cart - getValidatedSalesChannel with RQ

* feat: refactor

* wip: changes to create cart workflow

* fix: remove join table entity due to migrations failing

* fix: product seeder if FF is on

* feat: attach SC handler and test

* fix: env

* feat: workflow compensation, cart service retrieve with RQ

* fix: remote joiner implode map

* chore: update changesets

* fix: remove methods from SC service/repo

* feat: use remote link in handlers

* fix: remove SC service calls

* fix: link params

* fix: migration add constraint to make link upsert pass

* refactor: workflow product handlers to handle remote links

* fix: condition

* fix: use correct method

* fix: build

* wip: update FF

* fix: update FF in the handlers

* chore: migrate to medusav2 FF

* chore: uncomment test

* fix: product factory

* fix: unlinking SC and product

* fix: use module name variable

* refactor: cleanup query definitions

* fix: add constraint

* wip: migrate FF

* fix: comments

* feat: cart entity callbacks, fix tests

* fix: only create SC in test

* wip: services updates, changes to models

* chore: rename prop

* fix: add hook

* fix: address comments

* fix: temp sc filtering

* fix: use RQ to filter by SC

* fix: relations on retrieve

* feat: migration sync data, remove FF

* fix: revert order of queries

* fix: alter migration, relations in service

* fix: revert id

* fix: migrations

* fix: make expand work

* fix: remote link method call

* fix: try making tests work without id in the pivot table

* test: use remote link

* test: relations changes

* fix: preserve channel id column

* fix: seeder and factory

* fix: remove sales_channels from response

* feat: support feature flag arrays

* fix: cover everything with correct FF

* fix: remove verbose

* fix: unit and plugin tests

* chore: comments

* fix: reenable workflow handler, add comments, split cart create workflow tests

* chore: reenable link in the create mehod, update changesets

* fix: address feedback

* fix: revert migration

* fix: change the migration to follow link module

* fix: migration syntax

* fix: merge conflicts

* fix: typo

* feat: remove store sales channel foreign key

* fix: merge migrations

* fix: FF keys

* refactor: cart service

* refactor: FF missing key

* fix: comments

* fix: address PR comments

* fix: new changesets

* fix: revert flag router changes

* chore: refactor `isFeatureEnabled`

---------

Co-authored-by: Carlos R. L. Rodrigues <rodrigolr@gmail.com>
Co-authored-by: Riqwan Thamir <rmthamir@gmail.com>

packages/link-modules/src/definitions/cart-sales-channel.ts

@@ -0,0 +1,65 @@
+import { ModuleJoinerConfig } from "@medusajs/types"
+import { LINKS } from "../links"
+
+export const CartSalesChannel: ModuleJoinerConfig = {
+  serviceName: LINKS.CartSalesChannel,
+  isLink: true,
+  databaseConfig: {
+    tableName: "cart_sales_channel",
+    idPrefix: "cartsc",
+  },
+  alias: [
+    {
+      name: "cart_sales_channel",
+    },
+    {
+      name: "cart_sales_channels",
+    },
+  ],
+  primaryKeys: ["id", "cart_id", "sales_channel_id"],
+  relationships: [
+    {
+      serviceName: "cartService",
+      isInternalService: true,
+      primaryKey: "id",
+      foreignKey: "cart_id",
+      alias: "cart",
+    },
+    {
+      serviceName: "salesChannelService",
+      isInternalService: true,
+      primaryKey: "id",
+      foreignKey: "sales_channel_id",
+      alias: "sales_channel",
+    },
+  ],
+  extends: [
+    {
+      serviceName: "cartService",
+      fieldAlias: {
+        sales_channel: "sales_channel_link.sales_channel",
+      },
+      relationship: {
+        serviceName: LINKS.CartSalesChannel,
+        isInternalService: true,
+        primaryKey: "cart_id",
+        foreignKey: "id",
+        alias: "sales_channel_link",
+      },
+    },
+    {
+      serviceName: "salesChannelService",
+      fieldAlias: {
+        carts: "cart_link.cart",
+      },
+      relationship: {
+        serviceName: LINKS.CartSalesChannel,
+        isInternalService: true,
+        primaryKey: "sales_channel_id",
+        foreignKey: "id",
+        alias: "cart_link",
+        isList: true,
+      },
+    },
+  ],
+}

packages/link-modules/src/definitions/index.ts

@@ -3,3 +3,4 @@ export * from "./product-variant-inventory-item"
 export * from "./product-variant-price-set"
 export * from "./product-shipping-profile"
 export * from "./product-sales-channel"
+export * from "./cart-sales-channel"

packages/link-modules/src/links.ts

@@ -28,4 +28,10 @@ export const LINKS = {
     "salesChannelService",
     "sales_channel_id"
   ),
+  CartSalesChannel: composeLinkName(
+    "cartService",
+    "cart_id",
+    "salesChannelService",
+    "sales_channel_id"
+  ),
 }