turn off facebook publish signup for new users

for #817

app.py

@@ -244,6 +244,11 @@ def template_vars(self):
         else self.source.domain_urls[0] if self.source.domain_urls
         else None)
 
+    kind = self.source.key.kind()
+    vars['publish_signup_ok'] = (self.source.created < facebook.PUBLISH_SIGNUP_CUTOFF
+                                   if kind == 'FacebookPage'
+                                 else kind not in ('Instagram', 'GooglePlus'))
+
     # Blog webmention promos
     if 'webmention' not in self.source.features:
       if self.source.SHORT_NAME in ('blogger', 'medium', 'tumblr', 'wordpress'):

facebook.py

@@ -21,6 +21,7 @@
 """
 from __future__ import unicode_literals
 
+import datetime
 import heapq
 import itertools
 import json
@@ -40,6 +41,9 @@
 import models
 import util
 
+# don't let people turn on publish if they signed up after this date.
+# https://github.com/snarfed/bridgy/issues/817
+PUBLISH_SIGNUP_CUTOFF = datetime.datetime(2018, 4, 27)
 
 # https://developers.facebook.com/docs/reference/login/
 LISTEN_SCOPES = [

templates/facebook_user.html

@@ -14,11 +14,13 @@
 {% endblock %}
 
 {% block publish_signup %}
+{% if publish_signup_ok %}
 <span class="big">Click to enable <a href="/about#publish">publishing</a>:</span>
 <form method="post" name="publish-facebook-start" action="/facebook/start" class="signup">
  <input type="image" alt="Sign in with Facebook"
         src="/oauth_dropins/static/facebook.png" />
  <input name="feature" type="hidden" value="publish" />
  <input name="id" type="hidden" value="{{ source.key.id() }}" />
 </form>
+{% endif %}
 {% endblock %}

templates/index.html

@@ -28,7 +28,7 @@
 {{ publishes }} posts published,
 {{ blogposts }} blog posts processed,
 <!-- {{ webmentions_received }} blog webmentions received -->
-<a href="https://snarfed.org/2016-06-06_bridgy-stats-update-2">and counting...</a>
+<a href="https://snarfed.org/2018-01-02_bridgy-stats-update-3">and counting...</a>
 </p>
 
 {% endblock %}

templates/social_user.html

@@ -65,7 +65,7 @@
 <div class="row">
 
 <!-- Listen UI -->
-<div id="listen-ui" class="{% if source.SHORT_NAME not in ('instagram', 'googleplus') %}col-sm-6{% endif %}">
+<div id="listen-ui" class="{% if publish_signup_ok %}col-sm-6{% endif %}">
 
 {% if "listen" in source.features and source.status != "disabled" %}
 <data class="p-bridgy-listen-status" value="enabled">