From 191ea89eb99ec26f461367876a5864b924c9b030 Mon Sep 17 00:00:00 2001
From: alexfaxe <alexfaxe@gmail.com>
Date: Wed, 11 Sep 2024 16:05:46 +0200
Subject: [PATCH 1/2] feat(cart): support for custom fields in addLineItem

---
 .changeset/hip-pianos-play.md    |  5 ++++
 src/repositories/cart/actions.ts |  3 +-
 src/services/cart.test.ts        | 48 ++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/hip-pianos-play.md

diff --git a/.changeset/hip-pianos-play.md b/.changeset/hip-pianos-play.md
new file mode 100644
index 00000000..05c0de8e
--- /dev/null
+++ b/.changeset/hip-pianos-play.md
@@ -0,0 +1,5 @@
+---
+"@labdigital/commercetools-mock": patch
+---
+
+Adds support for custom fields in 'addLineItem'
diff --git a/src/repositories/cart/actions.ts b/src/repositories/cart/actions.ts
index dd6a4c1c..b82e1367 100644
--- a/src/repositories/cart/actions.ts
+++ b/src/repositories/cart/actions.ts
@@ -72,7 +72,7 @@ export class CartUpdateHandler
 	addLineItem(
 		context: RepositoryContext,
 		resource: Writable<Cart>,
-		{ productId, variantId, sku, quantity = 1 }: CartAddLineItemAction,
+		{ productId, variantId, sku, custom, quantity = 1 }: CartAddLineItemAction,
 	) {
 		let product: Product | null = null;
 
@@ -175,6 +175,7 @@ export class CartUpdateHandler
 				lineItemMode: "Standard",
 				priceMode: "Platform",
 				state: [],
+				custom: createCustomFields(custom, context.projectKey, this._storage),
 			});
 		}
 
diff --git a/src/services/cart.test.ts b/src/services/cart.test.ts
index 64d345d7..ea064581 100644
--- a/src/services/cart.test.ts
+++ b/src/services/cart.test.ts
@@ -259,6 +259,54 @@ describe("Cart Update Actions", () => {
 		expect(response.body.totalPrice.centAmount).toEqual(total);
 	});
 
+	test("addLineItem with custom field", async () => {
+		const product = await supertest(ctMock.app)
+			.post(`/dummy/products`)
+			.send(productDraft)
+			.then((x) => x.body);
+
+		const type = await supertest(ctMock.app)
+			.post(`/dummy/types`)
+			.send({
+				key: "my-type",
+				name: {
+					en: "My Type",
+				},
+				description: {
+					en: "My Type Description",
+				},
+				fieldDefinitions: [
+					{
+						name: "foo",
+						label: {
+							en: "foo",
+						},
+						required: false,
+						type: {
+							name: "String",
+						},
+						inputHint: "SingleLine",
+					},
+				],
+			})
+			.then((x) => x.body);
+
+		assert(type, "type not created");
+		assert(cart, "cart not created");
+		assert(product, "product not created");
+
+		const response = await supertest(ctMock.app)
+			.post(`/dummy/carts/${cart.id}`)
+			.send({
+				version: 1,
+				actions: [{ action: "addLineItem", sku: "1337", quantity: 2, custom: { type: { typeId: 'type', key: 'my-type' }, fields: { foo: 'bar' }} }],
+			});
+		expect(response.status).toBe(200);
+		expect(response.body.version).toBe(2);
+		expect(response.body.lineItems).toHaveLength(1);
+		expect(response.body.lineItems[0].custom).toEqual({ type: { typeId: 'type', id: expect.any(String) }, fields: { foo: 'bar' } });
+	});
+
 	test("addLineItem unknown product", async () => {
 		assert(cart, "cart not created");
 

From ced3d4011bdc41aad6c3d1edf765b5677373dcfc Mon Sep 17 00:00:00 2001
From: alexfaxe <alexfaxe@gmail.com>
Date: Wed, 11 Sep 2024 16:14:26 +0200
Subject: [PATCH 2/2] fix(styling): prettier

---
 src/services/cart.test.ts | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/services/cart.test.ts b/src/services/cart.test.ts
index ea064581..7104c9db 100644
--- a/src/services/cart.test.ts
+++ b/src/services/cart.test.ts
@@ -299,12 +299,25 @@ describe("Cart Update Actions", () => {
 			.post(`/dummy/carts/${cart.id}`)
 			.send({
 				version: 1,
-				actions: [{ action: "addLineItem", sku: "1337", quantity: 2, custom: { type: { typeId: 'type', key: 'my-type' }, fields: { foo: 'bar' }} }],
+				actions: [
+					{
+						action: "addLineItem",
+						sku: "1337",
+						quantity: 2,
+						custom: {
+							type: { typeId: "type", key: "my-type" },
+							fields: { foo: "bar" },
+						},
+					},
+				],
 			});
 		expect(response.status).toBe(200);
 		expect(response.body.version).toBe(2);
 		expect(response.body.lineItems).toHaveLength(1);
-		expect(response.body.lineItems[0].custom).toEqual({ type: { typeId: 'type', id: expect.any(String) }, fields: { foo: 'bar' } });
+		expect(response.body.lineItems[0].custom).toEqual({
+			type: { typeId: "type", id: expect.any(String) },
+			fields: { foo: "bar" },
+		});
 	});
 
 	test("addLineItem unknown product", async () => {