feat(customer): add lowercaseEmail support

.changeset/ten-rocks-walk.md

@@ -0,0 +1,5 @@
+---
+"@labdigital/commercetools-mock": minor
+---
+
+Add support for lowercaseEmail on customers

src/repositories/customer/index.test.ts

@@ -7,6 +7,45 @@ describe("Order repository", () => {
 	const storage = new InMemoryStorage();
 	const repository = new CustomerRepository(storage);
 
+	test("query by lowercaseEmail", async () => {
+		const customer = repository.create(
+			{ projectKey: "dummy" },
+			{ email: "[email protected]" },
+		);
+
+		const result = repository.query(
+			{ projectKey: "dummy" },
+			{ where: [`lowercaseEmail = "[email protected]"`] },
+		);
+
+		expect(result.results).toHaveLength(1);
+		expect(result.results[0].id).toEqual(customer.id);
+	});
+
+	test("updating lowercaseEmail", async () => {
+		const customer = repository.create(
+			{ projectKey: "dummy" },
+			{ email: "[email protected]" },
+		);
+
+		repository.saveUpdate({ projectKey: "dummy" }, customer.version, {
+			...customer,
+			email: "[email protected]",
+			version: customer.version + 1,
+		});
+
+		const result = repository.query(
+			{ projectKey: "dummy" },
+			{ where: [`lowercaseEmail = "[email protected]"`] },
+		);
+
+		expect(result.results).toHaveLength(1);
+		expect(result.results[0].id).toEqual(customer.id);
+		expect(result.results[0].email).toEqual(
+			"[email protected]",
+		);
+	});
+
 	test("adding stores to customer", async () => {
 		const store1: Store = {
 			id: "d0016081-e9af-48a7-8133-1f04f340a335",

src/repositories/customer/index.ts

@@ -20,7 +20,7 @@ import {
 	validatePasswordResetToken,
 } from "~src/lib/password";
 import type { AbstractStorage } from "~src/storage/abstract";
-import type { Writable } from "~src/types";
+import type { ResourceMap, ShallowWritable, Writable } from "~src/types";
 import {
 	AbstractResourceRepository,
 	type RepositoryContext,
@@ -37,7 +37,7 @@ export class CustomerRepository extends AbstractResourceRepository<"customer"> {
 	create(context: RepositoryContext, draft: CustomerDraft): Customer {
 		// Check uniqueness
 		const results = this._storage.query(context.projectKey, this.getTypeId(), {
-			where: [`email="${draft.email.toLocaleLowerCase()}"`],
+			where: [`lowercaseEmail="${draft.email.toLowerCase()}"`],
 		});
 		if (results.count > 0) {
 			throw new CommercetoolsError<any>({
@@ -141,6 +141,7 @@ export class CustomerRepository extends AbstractResourceRepository<"customer"> {
 			dateOfBirth: draft.dateOfBirth,
 			companyName: draft.companyName,
 			email: draft.email.toLowerCase(),
+			lowercaseEmail: draft.email.toLowerCase(),
 			password: draft.password ? hashPassword(draft.password) : undefined,
 			isEmailVerified: draft.isEmailVerified || false,
 			addresses: addresses,
@@ -156,10 +157,25 @@ export class CustomerRepository extends AbstractResourceRepository<"customer"> {
 				this._storage,
 			),
 			stores: storesForCustomer,
-		};
+		} satisfies unknown as Customer;
+
 		return this.saveNew(context, resource);
 	}
 
+	saveUpdate(
+		context: RepositoryContext,
+		version: number,
+		resource: ShallowWritable<ResourceMap["customer"]>,
+	): ShallowWritable<ResourceMap["customer"]> {
+		// Also update lowercaseEmail attribute
+		const updatedResource: Customer = {
+			...resource,
+			lowercaseEmail: resource.email.toLowerCase(),
+		} satisfies unknown as Customer;
+
+		return super.saveUpdate(context, version, updatedResource);
+	}
+
 	passwordResetToken(
 		context: RepositoryContext,
 		request: CustomerCreatePasswordResetToken,

src/services/my-customer.test.ts

@@ -31,6 +31,7 @@ describe("Me", () => {
 			customer: {
 				...draft,
 				password: "cDRzc3cwcmQ=",
+				lowercaseEmail: draft.email.toLowerCase(),
 				authenticationMode: "Password",
 				version: 1,
 				isEmailVerified: false,