add orders collecrtion for coins and subscriptions page

functions/src/users.js

@@ -4,6 +4,7 @@ const {
   onDocumentCreated,
 } = require("firebase-functions/firestore");
 const { refList } = require("../index");
+const { ORDER_TYPES, createOrderDocument } = require("./helpers/orders");
 const { deleteFolder } = require("../helpers/firebase");
 const { Resend } = require("resend");
 const { welcomeTemplate } = require("../helpers/email");
@@ -56,14 +57,16 @@ exports.onUserCreated = onDocumentCreated("users/{userID}", async (event) => {
       lastName = "",
     } = event?.data?.data() || {};
 
+    const userId = event?.params?.userID;
+
     try {
-      await event.data.ref.set(
-        {
-          coins: admin.firestore.FieldValue.increment(10),
-          coinWelcomeGrantedAt: admin.firestore.FieldValue.serverTimestamp(),
-        },
-        { merge: true },
-      );
+      await createOrderDocument({
+        userId,
+        type: ORDER_TYPES.GIFT,
+        amount: 10,
+        metadata: { reason: "WELCOME_BONUS" },
+        orderId: `welcome_${userId}`,
+      });
     } catch (coinError) {
       console.warn(
         "[users-onUserCreated] Unable to grant welcome coins",