Added cors

functions/src/index.ts

@@ -2,78 +2,75 @@ import * as admin from 'firebase-admin';
 import * as functions from 'firebase-functions';
 import * as paypal from 'paypal-rest-sdk';
 
+const cors = require('cors')({origin: true});
+
 paypal.configure({
   mode: 'sandbox',
   client_id: 'AaU8tQfmz1_MFDTKuf84yYERXvdDt2ZFJVrxhNW_49DazF4A_F0VBuKyV5_nntyEdZqUa5Oq9ZBj65GV',
   client_secret: 'EAZ8aFDU4lHHLy1bQqULYWqznf3dBknXZW3AH__zFC0bUs8AGUyR6RNbm-jHvqtikX7PsSqMO5vxuvKm'
 });
 
-export const checkout = functions.https.onRequest(async (request, response) => {
-  // Create base request
-  let req = {
-    intent: 'sale',
-    payer: {
-      payment_method: 'paypal'
-    },
-    redirect_urls: {
-      return_url: 'https://fhsons.zakscode.com/success',
-      cancel_url: 'https://fhsons.zakscode.com/cart'
-    },
-    transactions: [
-      {
-        item_list: {
-          items: []
-        },
-        amount: {
-          total: 0,
-          currency: 'CAD'
-        },
-        description: 'Purchase of equipment and suplies from FH & Sons'
-      }
-    ]
-  };
+export const checkout = functions.https.onRequest((request, response) => {
+  cors(request, response, async () => {
+    // Create base request
+    let req = {
+      intent: 'sale',
+      payer: {payment_method: 'paypal'},
+      redirect_urls: {
+        return_url: 'https://fhsons.zakscode.com/success',
+        cancel_url: 'https://fhsons.zakscode.com/cart'
+      },
+      transactions: [
+        {
+          item_list: {items: []},
+          amount: {total: 0, currency: 'CAD'},
+          description: 'Purchase of equipment and suplies from FH & Sons'
+        }
+      ]
+    };
 
-  // Fill in information from DB
-  let promises = [];
-  console.log(request.body);
-  let cart = request.body.cart.filter(row => row.quantity > 0);
-  cart.forEach(async row =>
-    promises.push(
-      admin
-        .firestore()
-        .doc(`product/${row.id}`)
-        .get()
-    )
-  );
+    // Fill in information from DB
+    let promises = [];
+    console.log(request.body);
+    let cart = request.body.cart.filter(row => row.quantity > 0);
+    cart.forEach(async row =>
+      promises.push(
+        admin
+          .firestore()
+          .doc(`product/${row.id}`)
+          .get()
+      )
+    );
 
-  let products = await Promise.all(promises);
-  console.log(products);
-  req.transactions[0].item_list.items = products.map((row, i) => {
-    return {name: row.name, sku: row.name, price: row.price, currency: 'CAD', quantity: cart[i].quantity};
-  });
-  req.transactions[0].amount.total = products.reduce((acc, row, i) => acc + row.price * cart[i].quantity, 0);
-
-  // Send request to PayPal
-  let create = new Promise((res, rej) => {
-    paypal.payment.create(req, (error, payment) => {
-      if (error) rej(error);
-
-      let link = payment.links.filter(row => row.rel == 'approval_url').map(row => row.href)[0];
-
-      if (link) {
-        res(link);
-      } else {
-        rej('no redirect URI present');
-      }
+    let products = await Promise.all(promises);
+    console.log(products);
+    req.transactions[0].item_list.items = products.map((row, i) => {
+      return {name: row.name, sku: row.name, price: row.price, currency: 'CAD', quantity: cart[i].quantity};
     });
-  });
+    req.transactions[0].amount.total = products.reduce((acc, row, i) => acc + row.price * cart[i].quantity, 0);
 
-  try {
-    response.send(await create);
-  } catch (err) {
-    console.error(err);
-    response.status(500);
-  }
+    // Send request to PayPal
+    let create = new Promise((res, rej) => {
+      paypal.payment.create(req, (error, payment) => {
+        if (error) rej(error);
+
+        let link = payment.links.filter(row => row.rel == 'approval_url').map(row => row.href)[0];
+
+        if (link) {
+          res(link);
+        } else {
+          rej('no redirect URI present');
+        }
+      });
+    });
+
+    try {
+      response.send(await create);
+    } catch (err) {
+      console.error(err);
+      response.status(500);
+    }
+  });
 });
 
 exports.process = functions.https.onRequest((req, res) => {