feat(medusa): manage payment sessions from payment collection (#2402)

* feat: manage payment sessions from payment collection

packages/medusa-payment-klarna/src/api/routes/hooks/push.js

@@ -1,8 +1,10 @@
-import { MedusaError } from "medusa-core-utils"
-
 export default async (req, res) => {
   const { klarna_order_id } = req.query
 
+  function isPaymentCollection(id) {
+    return id && id.startsWith("paycol")
+  }
+
   try {
     const orderService = req.scope.resolve("orderService")
     const klarnaProviderService = req.scope.resolve("pp_klarna")
@@ -11,10 +13,18 @@ export default async (req, res) => {
       klarna_order_id
     )
 
-    const cartId = klarnaOrder.merchant_data
-    const order = await orderService.retrieveByCartId(cartId)
+    const resourceId = klarnaOrder.merchant_data
 
-    await klarnaProviderService.acknowledgeOrder(klarnaOrder.order_id, order.id)
+    if (isPaymentCollection(resourceId)) {
+      await klarnaProviderService.acknowledgeOrder(klarnaOrder.order_id)
+    } else {
+      const order = await orderService.retrieveByCartId(resourceId)
+
+      await klarnaProviderService.acknowledgeOrder(
+        klarnaOrder.order_id,
+        order.id
+      )
+    }
 
     res.sendStatus(200)
   } catch (error) {

packages/medusa-payment-klarna/src/services/klarna-provider.js

@@ -230,6 +230,84 @@ class KlarnaProviderService extends PaymentService {
     return order
   }
 
+  validateKlarnaOrderUrls(property) {
+    const required = ["terms", "checkout", "confirmation"]
+
+    const isMissing = required.some((prop) => !this.options_[property]?.[prop])
+
+    if (isMissing) {
+      throw new Error(
+        `options.${property} is required to create a Klarna Order.\n` +
+          `medusa-config.js file has to contain ${property} { ${required.join(
+            ", "
+          )}}`
+      )
+    }
+  }
+
+  replaceStringWithPropertyValue(string, obj) {
+    const keys = Object.keys(obj)
+    for (const key of keys) {
+      if (string.includes(`{${key}}`)) {
+        string = string.replace(`{${key}}`, obj[key])
+      }
+    }
+    return string
+  }
+
+  async paymentInputToKlarnaOrder(paymentInput) {
+    if (paymentInput.cart) {
+      this.validateKlarnaOrderUrls("merchant_urls")
+      return this.cartToKlarnaOrder(paymentInput.cart)
+    }
+
+    this.validateKlarnaOrderUrls("payment_collection_urls")
+
+    let order = {
+      // Custom id is stored, such that we can use it for hooks
+      merchant_data: paymentInput.resource_id,
+      locale: "en-US",
+    }
+
+    const { currency_code, amount } = paymentInput
+
+    order.order_lines = [
+      {
+        name: "Payment Collection",
+        quantity: 1,
+        unit_price: amount,
+        tax_rate: 0,
+        total_amount: amount,
+        total_tax_amount: 0,
+      },
+    ]
+
+    // Defaults to Sweden
+    order.purchase_country = "SE"
+
+    order.order_amount = amount
+    order.order_tax_amount = 0
+    order.purchase_currency = currency_code.toUpperCase()
+
+    order.merchant_urls = {
+      terms: this.replaceStringWithPropertyValue(
+        this.options_.payment_collection_urls.terms,
+        paymentInput
+      ),
+      checkout: this.replaceStringWithPropertyValue(
+        this.options_.payment_collection_urls.checkout,
+        paymentInput
+      ),
+      confirmation: this.replaceStringWithPropertyValue(
+        this.options_.payment_collection_urls.confirmation,
+        paymentInput
+      ),
+      push: `${this.backendUrl_}/klarna/push?klarna_order_id={checkout.order.id}`,
+    }
+
+    return order
+  }
+
   /**
    * Status for Klarna order.
    * @param {Object} paymentData - payment method data from cart
@@ -251,7 +329,7 @@ class KlarnaProviderService extends PaymentService {
   }
 
   /**
-   * Creates Stripe PaymentIntent.
+   * Creates Klarna PaymentIntent.
    * @param {string} cart - the cart to create a payment for
    * @param {number} amount - the amount to create a payment for
    * @returns {string} id of payment intent
@@ -271,6 +349,21 @@ class KlarnaProviderService extends PaymentService {
     }
   }
 
+  async createPaymentNew(paymentInput) {
+    try {
+      const order = await this.paymentInputToKlarnaOrder(paymentInput)
+
+      const klarnaPayment = await this.klarna_
+        .post(this.klarnaOrderUrl_, order)
+        .then(({ data }) => data)
+
+      return klarnaPayment
+    } catch (error) {
+      this.logger_.error(error)
+      throw error
+    }
+  }
+
   /**
    * Retrieves Klarna Order.
    * @param {string} cart - the cart to retrieve order for
@@ -338,18 +431,20 @@ class KlarnaProviderService extends PaymentService {
    * @param {string} klarnaOrderId - id of the order to acknowledge
    * @returns {string} id of acknowledged order
    */
-  async acknowledgeOrder(klarnaOrderId, orderId) {
+  async acknowledgeOrder(klarnaOrderId, orderId = null) {
     try {
       await this.klarna_.post(
         `${this.klarnaOrderManagementUrl_}/${klarnaOrderId}/acknowledge`
       )
 
-      await this.klarna_.patch(
-        `${this.klarnaOrderManagementUrl_}/${klarnaOrderId}/merchant-references`,
-        {
-          merchant_reference1: orderId,
-        }
-      )
+      if (orderId !== null) {
+        await this.klarna_.patch(
+          `${this.klarnaOrderManagementUrl_}/${klarnaOrderId}/merchant-references`,
+          {
+            merchant_reference1: orderId,
+          }
+        )
+      }
 
       return klarnaOrderId
     } catch (error) {
@@ -408,6 +503,22 @@ class KlarnaProviderService extends PaymentService {
     return paymentData
   }
 
+  async updatePaymentNew(paymentData, paymentInput) {
+    if (paymentInput.amount !== paymentData.order_amount) {
+      const order = await this.paymentInputToKlarnaOrder(paymentInput)
+      return this.klarna_
+        .post(`${this.klarnaOrderUrl_}/${paymentData.order_id}`, order)
+        .then(({ data }) => data)
+        .catch(async (_) => {
+          return this.klarna_
+            .post(this.klarnaOrderUrl_, order)
+            .then(({ data }) => data)
+        })
+    }
+
+    return paymentData
+  }
+
   /**
    * Captures Klarna order.
    * @param {Object} paymentData - payment method data from cart