Add backend support for realm admins to rename streams.

(imported from commit eaf419f1f68dfd350b8c99e8a5089ec316f0c409)

zerver/lib/actions.py

@@ -961,6 +961,10 @@ def do_rename_stream(realm, old_name, new_name, log=True):
 
     tornado_callbacks.send_notification(notice)
 
+    # Even though the token doesn't change, the web client needs to update the
+    # email forwarding address to display the correctly-escaped new name.
+    return {"email_address": encode_email_address(stream)}
+
 def do_create_realm(domain, restricted_to_domain=True):
     realm = get_realm(domain)
     created = not realm

zerver/views/__init__.py

@@ -37,7 +37,7 @@ from zerver.lib.actions import do_remove_subscription, bulk_remove_subscriptions
     do_send_messages, do_add_subscription, get_default_subs, do_deactivate, \
     user_email_is_unique, do_invite_users, do_refer_friend, compute_mit_user_fullname, \
     do_add_alert_words, do_remove_alert_words, do_set_alert_words, get_subscribers, \
-    update_user_activity_interval, do_set_muted_topics
+    update_user_activity_interval, do_set_muted_topics, do_rename_stream
 from zerver.lib.create_user import random_api_key
 from zerver.forms import RegistrationForm, HomepageForm, ToSForm, CreateBotForm, \
     is_inactive, isnt_mit, not_mit_mailing_list
@@ -712,7 +712,8 @@ def home(request):
         furthest_read_time    = sent_time_in_epoch_seconds(latest_read),
         onboarding_steps      = ujson.loads(user_profile.onboarding_steps),
         staging               = settings.STAGING_DEPLOYED or not settings.DEPLOYED,
-        alert_words           = register_ret['alert_words']
+        alert_words           = register_ret['alert_words'],
+        show_admin            = user_profile.show_admin
     ))
 
     statsd.incr('views.home')
@@ -1404,6 +1405,14 @@ def get_public_streams_backend(request, user_profile):
     return get_streams_backend(request, user_profile, include_public=True,
                                include_subscribed=False, include_all_active=False)
 
+@authenticated_json_post_view
+@has_request_variables
+def json_rename_stream(request, user_profile, old_name=REQ, new_name=REQ):
+    if not user_profile.has_perm('administer', user_profile.realm):
+        return json_error("Insufficient permission to rename stream")
+
+    return json_success(do_rename_stream(user_profile.realm, old_name, new_name))
+
 @authenticated_api_view
 def api_list_subscriptions(request, user_profile):
     return list_subscriptions_backend(request, user_profile)

zproject/urls.py

@@ -94,6 +94,7 @@ urlpatterns += patterns('zerver.views',
     url(r'^json/update_pointer$',           'json_update_pointer'),
     url(r'^json/get_old_messages$',         'json_get_old_messages'),
     url(r'^json/get_public_streams$',       'json_get_public_streams'),
+    url(r'^json/rename_stream$',            'json_rename_stream'),
     url(r'^json/send_message$',             'json_send_message'),
     url(r'^json/invite_users$',             'json_invite_users'),
     url(r'^json/bulk_invite_users$',        'json_bulk_invite_users'),