generate default invite link if no channels are present

src/page/invites/view.js

@@ -21,7 +21,7 @@ import RewardCard from 'component/rewardCard';
 import RewardEnrolment from 'component/rewardEnrolment';
 import UriBar from 'component/uriBar';
 import invitesStyle from 'styles/invites';
-import { logPublish } from 'utils/helper';
+import { fetchReferralCode, logPublish } from 'utils/helper';
 
 class InvitesPage extends React.PureComponent {
   state = {
@@ -48,7 +48,19 @@ class InvitesPage extends React.PureComponent {
     pushDrawerStack();
     setPlayerVisible();
     NativeModules.Firebase.setCurrentScreen('Invites').then(result => {
+      fetchReferralCode(
+        response => {
+          if (response && response.length > 0) {
+            // only need to use the first referral code.
+            // inviteLink will be updated after channels are loaded (if the user has created at least one channel)
+            this.setState({ inviteLink: `https://lbry.tv/$/invite/${response[0]}` });
+          }
           fetchChannelListMine();
+        },
+        error => {
+          fetchChannelListMine();
+        },
+      );
       fetchInviteStatus();
     });
   };

src/utils/helper.js

@@ -400,3 +400,17 @@ export function formatTitle(title) {
 
   return title.length > 80 ? title.substring(0, 77).trim() + '...' : title;
 }
+
+export function fetchReferralCode(successCallback, errorCallback) {
+  Lbryio.call('user_referral_code', 'list')
+    .then(response => {
+      if (successCallback) {
+        successCallback(response);
+      }
+    })
+    .catch(err => {
+      if (errorCallback) {
+        errorCallback(err);
+      }
+    });
+}