feat(auth): Revamp authentication setup (#7387)

* chore: Clean up authentication middlewares

* chore: Rename AuthUser to AuthIdentity

* feat: Define link between user, customer, and auth identity

* feat: Use links for auth, update auth context content

* fix: Adjust user create command with new auth setup

* fix: Make auth login more dynamic, review fixes

* fix: Change test assertions for created by

packages/modules/link-modules/src/definitions/customer-auth.ts

@@ -0,0 +1,62 @@
+import { Modules } from "@medusajs/modules-sdk"
+import { ModuleJoinerConfig } from "@medusajs/types"
+import { LINKS } from "@medusajs/utils"
+
+export const CustomerAuth: ModuleJoinerConfig = {
+  serviceName: LINKS.CustomerAuth,
+  isLink: true,
+  databaseConfig: {
+    tableName: "customer_auth_identity",
+    idPrefix: "cusauth",
+  },
+  alias: [
+    {
+      name: "customer_auth_identity",
+    },
+    {
+      name: "customer_auth_identities",
+    },
+  ],
+  primaryKeys: ["id", "customer_id", "auth_identity_id"],
+  relationships: [
+    {
+      serviceName: Modules.CUSTOMER,
+      primaryKey: "id",
+      foreignKey: "customer_id",
+      alias: "customer",
+    },
+    {
+      serviceName: Modules.AUTH,
+      isInternalService: true,
+      primaryKey: "id",
+      foreignKey: "auth_identity_id",
+      alias: "auth",
+    },
+  ],
+  extends: [
+    {
+      serviceName: Modules.CUSTOMER,
+      fieldAlias: {
+        auth_identity: "auth_link.auth_identity",
+      },
+      relationship: {
+        serviceName: LINKS.CustomerAuth,
+        primaryKey: "customer_id",
+        foreignKey: "id",
+        alias: "auth_link",
+      },
+    },
+    {
+      serviceName: Modules.AUTH,
+      fieldAlias: {
+        customer: "customer_link.customer",
+      },
+      relationship: {
+        serviceName: LINKS.CustomerAuth,
+        primaryKey: "auth_identity_id",
+        foreignKey: "id",
+        alias: "customer_link",
+      },
+    },
+  ],
+}

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

@@ -14,3 +14,5 @@ export * from "./region-payment-provider"
 export * from "./sales-channel-location"
 export * from "./shipping-option-price-set"
 export * from "./order-fulfillment"
+export * from "./user-auth"
+export * from "./customer-auth"

packages/modules/link-modules/src/definitions/user-auth.ts

@@ -0,0 +1,62 @@
+import { Modules } from "@medusajs/modules-sdk"
+import { ModuleJoinerConfig } from "@medusajs/types"
+import { LINKS } from "@medusajs/utils"
+
+export const UserAuth: ModuleJoinerConfig = {
+  serviceName: LINKS.UserAuth,
+  isLink: true,
+  databaseConfig: {
+    tableName: "user_auth_identity",
+    idPrefix: "usrauth",
+  },
+  alias: [
+    {
+      name: "user_auth_identity",
+    },
+    {
+      name: "user_auth_identities",
+    },
+  ],
+  primaryKeys: ["id", "user_id", "auth_identity_id"],
+  relationships: [
+    {
+      serviceName: Modules.USER,
+      primaryKey: "id",
+      foreignKey: "user_id",
+      alias: "user",
+    },
+    {
+      serviceName: Modules.AUTH,
+      isInternalService: true,
+      primaryKey: "id",
+      foreignKey: "auth_identity_id",
+      alias: "auth",
+    },
+  ],
+  extends: [
+    {
+      serviceName: Modules.USER,
+      fieldAlias: {
+        auth_identity: "auth_link.auth_identity",
+      },
+      relationship: {
+        serviceName: LINKS.UserAuth,
+        primaryKey: "user_id",
+        foreignKey: "id",
+        alias: "auth_link",
+      },
+    },
+    {
+      serviceName: Modules.AUTH,
+      fieldAlias: {
+        user: "user_link.user",
+      },
+      relationship: {
+        serviceName: LINKS.UserAuth,
+        primaryKey: "auth_identity_id",
+        foreignKey: "id",
+        alias: "user_link",
+      },
+    },
+  ],
+}