feat(eventbrite): add eventbrite integration

packages/backend/src/apps/eventbrite/auth/verify-credentials.js

@@ -0,0 +1,42 @@
+import getCurrentUser from '../common/get-current-user.js';
+
+const verifyCredentials = async ($) => {
+  const oauthRedirectUrlField = $.app.auth.fields.find(
+    (field) => field.key == 'oAuthRedirectUrl'
+  );
+  const redirectUri = oauthRedirectUrlField.value;
+  const { data } = await $.http.post(
+    'https://www.eventbrite.com/oauth/token',
+    {
+      grant_type: 'authorization_code',
+      client_id: $.auth.data.clientId,
+      client_secret: $.auth.data.clientSecret,
+      code: $.auth.data.code,
+      redirect_uri: redirectUri,
+    },
+    {
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded',
+      },
+    }
+  );
+
+  await $.auth.set({
+    accessToken: data.access_token,
+    tokenType: data.token_type,
+  });
+
+  const currentUser = await getCurrentUser($);
+
+  const screenName = [currentUser.name, currentUser.emails[0].email]
+    .filter(Boolean)
+    .join(' @ ');
+
+  await $.auth.set({
+    clientId: $.auth.data.clientId,
+    clientSecret: $.auth.data.clientSecret,
+    screenName,
+  });
+};
+
+export default verifyCredentials;