Add Reaction Commerce provider

Signed-off-by: Loan Laux <loan@outgrow.io>

framework/reactioncommerce/api/cart/handlers/add-item.ts

@@ -0,0 +1,93 @@
+import type { CartHandlers } from '..'
+import {
+  addCartItemsMutation,
+  checkoutCreateMutation,
+} from '@framework/utils/mutations'
+import getCartCookie from '@framework/api/utils/get-cart-cookie'
+import {
+  REACTION_ANONYMOUS_CART_TOKEN_COOKIE,
+  REACTION_CART_ID_COOKIE,
+} from '@framework/const'
+
+const addItem: CartHandlers['addItem'] = async ({
+  req: {
+    cookies: {
+      [REACTION_ANONYMOUS_CART_TOKEN_COOKIE]: anonymousCartToken,
+      [REACTION_CART_ID_COOKIE]: cartId,
+    },
+  },
+  res,
+  body: { item },
+  config,
+}) => {
+  console.log('add-item API', item.productId)
+  console.log('variantId', item.variantId)
+
+  if (!item) {
+    return res.status(400).json({
+      data: null,
+      errors: [{ message: 'Missing item' }],
+    })
+  }
+  if (!item.quantity) item.quantity = 1
+
+  if (cartId === config.dummyEmptyCartId) {
+    const createdCart = await config.fetch(checkoutCreateMutation, {
+      variables: {
+        input: {
+          shopId: config.shopId,
+          items: [
+            {
+              productConfiguration: {
+                productId: item.productId,
+                productVariantId: item.variantId,
+              },
+              quantity: item.quantity,
+              price: item.pricing,
+            },
+          ],
+        },
+      },
+    })
+
+    console.log('cart token', createdCart.data.createCart.token)
+    console.log('created cart', createdCart.data.createCart.cart)
+
+    res.setHeader('Set-Cookie', [
+      getCartCookie(config.cartCookie, createdCart.data.createCart.token, 999),
+      getCartCookie(
+        config.cartIdCookie,
+        createdCart.data.createCart.cart._id,
+        999
+      ),
+    ])
+    return res.status(200).json(createdCart.data)
+  } else if (cartId && anonymousCartToken) {
+    const updatedCart = await config.fetch(addCartItemsMutation, {
+      variables: {
+        input: {
+          cartId,
+          cartToken: anonymousCartToken,
+          items: [
+            {
+              productConfiguration: {
+                productId: item.productId,
+                productVariantId: item.variantId,
+              },
+              quantity: item.quantity,
+              price: item.pricing,
+            },
+          ],
+        },
+      },
+    })
+
+    console.log('updatedCart', updatedCart)
+
+    return res.status(200).json(updatedCart.data)
+  }
+
+  res.status(200)
+}
+
+export default addItem