If a user has already registered with the email they will get a different email when the register again.

The email includes likes to sign in and send feedback

app/main/views/register.py

@@ -34,12 +34,8 @@ def register():
 
     form = RegisterUserForm()
     if form.validate_on_submit():
-        registered = _do_registration(form, send_sms=False)
+        _do_registration(form, send_sms=False)
-        if registered:
+        return redirect(url_for('main.registration_continue'))
-            return redirect(url_for('main.registration_continue'))
-        else:
-            flash('There was an error registering your account')
-            return render_template('views/register.html', form=form), 400
 
     return render_template('views/register.html', form=form)
 
@@ -54,12 +50,9 @@ def register_from_invite():
     if form.validate_on_submit():
         if form.service.data != invited_user['service'] or form.email_address.data != invited_user['email_address']:
             abort(400)
-        registered = _do_registration(form, send_email=False)
+        _do_registration(form, send_email=False)
-        if registered:
+        invite_api_client.accept_invite(invited_user['service'], invited_user['id'])
-            invite_api_client.accept_invite(invited_user['service'], invited_user['id'])
+        return redirect(url_for('main.verify'))
-            return redirect(url_for('main.verify'))
-        else:
-            flash('There was an error registering your account')
 
     form.service.data = invited_user['service']
     form.email_address.data = invited_user['email_address']
@@ -87,9 +80,12 @@ def _do_registration(form, service=None, send_sms=True, send_email=True):
             user_api_client.send_verify_code(user.id, 'sms', user.mobile_number)
         session['expiry_date'] = str(datetime.utcnow() + timedelta(hours=1))
         session['user_details'] = {"email": user.email_address, "id": user.id}
-        return True
     else:
-        return False
+        if send_email:
+            user = user_api_client.get_user_by_email(form.email_address.data)
+            user_api_client.send_already_registered_email(user.id, user.email_address)
+        session['expiry_date'] = str(datetime.utcnow() + timedelta(hours=1))
+        session['user_details'] = {"email": user.email_address, "id": user.id}
 
 
 @main.route('/registration-continue')

app/notify_client/user_api_client.py

@@ -75,7 +75,7 @@ class UserApiClient(BaseAPIClient):
         endpoint = '/user/{0}/email-verification'.format(user_id)
         self.post(endpoint, data=data)
 
-    def sent_already_registered_email(self, user_id, to):
+    def send_already_registered_email(self, user_id, to):
         data = {'email': to}
         endpoint = '/user/{0}/email-already-registered'.format(user_id)
         self.post(endpoint, data=data)

tests/app/main/views/test_register.py

@@ -123,9 +123,10 @@ def test_should_return_200_if_password_is_blacklisted(app_,
     assert 'That password is blacklisted, too common' in response.get_data(as_text=True)
 
 
-def test_register_with_existing_email_returns_error(app_,
+def test_register_with_existing_email_sends_emails(app_,
-                                                    api_user_active,
+                                                   api_user_active,
-                                                    mock_get_user_by_email):
+                                                   mock_get_user_by_email,
+                                                   mock_send_already_registered_email):
     user_data = {
         'name': 'Already Hasaccount',
         'email_address': api_user_active.email_address,
@@ -136,9 +137,5 @@ def test_register_with_existing_email_returns_error(app_,
     with app_.test_request_context():
         response = app_.test_client().post(url_for('main.register'),
                                            data=user_data)
-        assert response.status_code == 400
+        assert response.status_code == 302
-        page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
+        assert response.location == url_for('main.registration_continue', _external=True)
-        element = page.find('h1')
-        assert element.text == 'Create an account'
-        flash_banner = page.find('div', class_='banner-dangerous').string.strip()
-        assert flash_banner == 'There was an error registering your account'

tests/conftest.py

@@ -1121,3 +1121,8 @@ def mock_events(mocker):
         return {'some': 'data'}
 
     return mocker.patch('app.events_api_client.create_event', side_effect=_create_event)
+
+
+@pytest.fixture(scope='function')
+def mock_send_already_registered_email(mocker):
+    return mocker.patch('app.user_api_client.send_already_registered_email')