Add co-speaker feature broken (#130)

* send invitation for additional speaker input
* fix code review

src/pretalx/cfp/views/user.py

@@ -1,5 +1,6 @@
 import textwrap
 import urllib
+import logging
 
 from csp.decorators import csp_update
 from django.contrib import messages
@@ -29,13 +30,16 @@
 from pretalx.common.middleware.event import get_login_redirect
 from pretalx.common.phrases import phrases
 from pretalx.common.views import is_form_bound
+from pretalx.common.exceptions import SendMailException
 from pretalx.person.forms import LoginInfoForm, SpeakerProfileForm
 from pretalx.person.permissions import person_can_view_information
 from pretalx.schedule.forms import AvailabilitiesFormMixin
 from pretalx.submission.forms import InfoForm, QuestionsForm, ResourceForm
 from pretalx.submission.models import Resource, Submission, SubmissionStates
 
 
+logger = logging.getLogger(__name__)
+
 @method_decorator(csp_update(IMG_SRC="https://www.gravatar.com"), name="dispatch")
 class ProfileView(LoggedInEventPageMixin, TemplateView):
     template_name = "cfp/event/user_profile.html"
@@ -397,6 +401,14 @@ def form_valid(self, form):
                     form.instance.update_duration()
                 if form.instance.pk and "track" in form.changed_data:
                     form.instance.update_review_scores()
+                if form.instance.pk and "additional_speaker" in form.changed_data:
+                    try:
+                        form.instance.send_invite(to=[form.cleaned_data.get('additional_speaker')],
+                                               _from=self.request.user)
+                    except SendMailException as exception:
+                        logger.warning('Failed to send email with error: %s', exception)
+                        messages.warning(self.request,
+                                         phrases.cfp.submission_email_fail)
                 form.instance.log_action(
                     "pretalx.submission.update", person=self.request.user
                 )

src/pretalx/sso_provider/providers.py

@@ -1,4 +1,5 @@
 import requests
+from urllib.parse import urlencode
 
 from allauth.socialaccount.providers.oauth2.provider import OAuth2Provider
 from allauth.socialaccount.providers.base import AuthAction, ProviderAccount