feat(validate-tax-id): Add pre-payment webhook for VAT ID validation

lrnxie · lrnxie · commit 43bcffc8d91b · 2022-06-01T16:46:22.000-04:00
diff --git a/config.js b/config.js
@@ -57,6 +57,9 @@ const config = {
     apiUrl: env('FOXY_IDEV_API_URL') || env('IDEV_API_URL'),
     secretKey: env('FOXY_IDEV_SECRET_KEY') || env('IDEV_SECRET_KEY'),
   },
+  vatlayer: {
+    accessKey: env('VATLAYER_ACCESS_KEY'),
+  }
 }
 
 
diff --git a/src/functions/validate-tax-id/index.js b/src/functions/validate-tax-id/index.js
@@ -0,0 +1,70 @@
+const fetch = require("node-fetch");
+const { config } = require("../../../config.js");
+
+/**
+ * Receives the request, validates the VAT ID and sends the response.
+ *
+ * @param {Object} requestEvent the request event built by Netlify Functions
+ * @returns {Promise<{statusCode: number, body: string}>} the response object
+ */
+async function handler(requestEvent) {
+  try {
+    const cartDetails = JSON.parse(requestEvent.body);
+    const vatNumber = cartDetails["_embedded"]["fx:customer"]["tax_id"];
+
+    const vatlayer_access_key = config.vatlayer.accessKey;
+
+    if (vatNumber !== "") {
+      const response = await fetch(
+        `http://apilayer.net/api/validate?access_key=${vatlayer_access_key}&vat_number=${vatNumber}`
+      );
+      const data = await response.json();
+
+      if (data.valid === true) {
+        console.log("VAT ID is valid", data);
+        return {
+          body: JSON.stringify({ details: "VAT ID is valid", ok: true }),
+          statusCode: 200,
+        };
+      } else if (data.valid === false) {
+        console.log("VAT ID is not valid", data);
+        return {
+          body: JSON.stringify({
+            details:
+              "Your VAT ID does not appear to be valid. Please review your VAT ID and try again.",
+            ok: false,
+          }),
+          statusCode: 200,
+        };
+      } else {
+        console.error("Error:", data.error.info);
+        return {
+          body: JSON.stringify({
+            details: "An internal error has occurred when validating VAT ID",
+            ok: false,
+          }),
+          statusCode: 200,
+        };
+      }
+    } else {
+      console.log("No VAT ID is provided");
+      return {
+        body: JSON.stringify({ details: "No VAT ID is provided", ok: true }),
+        statusCode: 200,
+      };
+    }
+  } catch (error) {
+    console.error(error);
+    return {
+      body: JSON.stringify({
+        details: "An internal error has occurred when validating VAT ID",
+        ok: false,
+      }),
+      statusCode: 500,
+    };
+  }
+}
+
+module.exports = {
+  handler,
+};

Original file line number	Diff line number	Diff line change
`@@ -57,6 +57,9 @@ const config = {`
`57`	`57`	`apiUrl: env('FOXY_IDEV_API_URL') \|\| env('IDEV_API_URL'),`
`58`	`58`	`secretKey: env('FOXY_IDEV_SECRET_KEY') \|\| env('IDEV_SECRET_KEY'),`
`59`	`59`	`},`
	`60`	`+ vatlayer: {`
	`61`	`+ accessKey: env('VATLAYER_ACCESS_KEY'),`
	`62`	`+ }`
`60`	`63`	`}`
`61`	`64`
`62`	`65`