remove feature mute_notifications_by_course

test plan
 - specs should pass

fixes VICE-998
flag=mute_notifications_by_course

Change-Id: I2dc572a8013817bd1e3ae2ace54e52932e463cdd
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/254038
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Matthew Lemon <mlemon@instructure.com>
Product-Review: Matthew Lemon <mlemon@instructure.com>
QA-Review: Matthew Lemon <mlemon@instructure.com>

app/controllers/courses_controller.rb

@@ -2021,10 +2021,7 @@ class CoursesController < ApplicationController
           js_env(:SHOW_ANNOUNCEMENTS => true, :ANNOUNCEMENT_LIMIT => @context.home_page_announcement_limit)
         end
 
-        if @domain_root_account&.feature_enabled?(:mute_notifications_by_course) && params[:view] == 'notifications'
-          render_course_notification_settings
-          return
-        end
+        return render_course_notification_settings if params[:view] == 'notifications'
 
         @contexts = [@context]
         case @course_home_view

app/views/courses/show.html.erb

@@ -171,7 +171,7 @@
       </a>
     <% end %>
 
-    <% if @context_enrollment && @domain_root_account.try(:feature_enabled?, :mute_notifications_by_course) %>
+    <% if @context_enrollment %>
       <a class="btn button-sidebar-wide" href="<%= context_url(@context, :context_url, :view => 'notifications') %>">
         <i class="icon-<%= @course_notifications_enabled ? "unmuted" : "muted" %>"></i>
         <%= t('links.view_course_notification_settings', %{View Course Notifications}) %>

config/feature_flags/vice_release_flags.yml

@@ -30,13 +30,6 @@ hide_course_sections_from_students:
     Allows teachers to hide course sections from students on the People page when there is more than one section in the course.
   applies_to: RootAccount
 
-mute_notifications_by_course:
-  state: hidden
-  display_name: Mute notifications by course
-  description: |-
-    Allows users to mute notifications on a course level granularity.
-  applies_to: RootAccount
-
 notification_granular_course_preferences:
   state: hidden
   display_name: Course level overrides for notification preferences

lib/notification_message_creator.rb

@@ -44,7 +44,6 @@ class NotificationMessageCreator
     if course_id && root_account_id
       @account = Account.new(id: root_account_id)
       @course = Course.new(id: course_id)
-      @mute_notifications_by_course_enabled = @account.feature_enabled?(:mute_notifications_by_course)
       @override_preferences_enabled = Account.site_admin.feature_enabled?(:notification_granular_course_preferences)
     end
   end
@@ -109,9 +108,9 @@ class NotificationMessageCreator
     # if the message is not summarizable?, it is in a context that notifications
     # cannot be disabled, so return true before checking.
     return true unless @notification.summarizable?
-    if @mute_notifications_by_course_enabled
-      return NotificationPolicyOverride.enabled_for(user, context)
-    end
+
+    return NotificationPolicyOverride.enabled_for(user, context) if context
+
     true
   end
 

spec/controllers/courses_controller_spec.rb

@@ -642,8 +642,7 @@ describe CoursesController do
         @teacher = course_with_user("TeacherEnrollment", course: @course, active_all: true).user
       end
 
-      it 'shows the course notification settings page if enabled' do
-        Account.default.enable_feature!(:mute_notifications_by_course)
+      it 'shows the course notification settings page' do
         user_session(@teacher)
         get 'show', params: {id: @course.id, view: 'notifications'}
         expect(response).to be_successful
@@ -654,18 +653,6 @@ describe CoursesController do
         end
         expect(contains_js_bundle).to be true
       end
-
-      it 'does not show the course notification settings page if disabled' do
-        user_session(@teacher)
-        get 'show', params: {id: @course.id, view: 'notifications'}
-        expect(response).to be_successful
-
-        contains_js_bundle = false
-        assigns['js_bundles'].each do |js_bundle|
-          contains_js_bundle = js_bundle.include? :course_notification_settings_show if js_bundle.include? :course_notification_settings_show
-        end
-        expect(contains_js_bundle).to be false
-      end
     end
   end
 

spec/graphql/mutations/update_notification_preferences_spec.rb

@@ -27,7 +27,6 @@ RSpec.describe Mutations::UpdateNotificationPreferences do
     @course = @account.courses.create!
     @teacher = @course.enroll_teacher(User.create!, enrollment_state: 'active').user
     @student = @course.enroll_student(User.create!, enrollemnt_state: 'active').user
-    @account.enable_feature!(:mute_notifications_by_course)
     communication_channel(@teacher, {username: 'two@example.com', active_cc: true})
     @notification = Notification.create!(:name => "Assignment Created", :subject => "Test", :category => 'Due Date')
   end

spec/lib/notification_message_creator_spec.rb

@@ -128,7 +128,6 @@ describe NotificationMessageCreator do
 
     it 'does not send a notification when policy override is disabled for a course' do
       notification_set(notification_opts: { :category => "Announcement" })
-      @course.root_account.enable_feature!(:mute_notifications_by_course)
       NotificationPolicyOverride.enable_for_context(@user, @course, enable: false)
       data = { course_id: @course.id, root_account_id: @course.root_account_id }
       messages = NotificationMessageCreator.new(@notification, @assignment, to_list: @user, data: data).create_message
@@ -137,7 +136,6 @@ describe NotificationMessageCreator do
 
     it 'does send a notification when course_id is not passed in' do
       notification_set(notification_opts: { :category => "Announcement" })
-      @course.root_account.enable_feature!(:mute_notifications_by_course)
       NotificationPolicyOverride.enable_for_context(@user, @course, enable: false)
       data = { root_account_id: @course.root_account_id }
       messages = NotificationMessageCreator.new(@notification, @assignment, to_list: @user, data: data).create_message
@@ -154,7 +152,6 @@ describe NotificationMessageCreator do
 
     it 'does send other notifications when policy override is in effect' do
       notification_set(notification_opts: { :category => "Registration" })
-      @course.root_account.enable_feature!(:mute_notifications_by_course)
       NotificationPolicyOverride.enable_for_context(@user, @course, enable: false)
       data = { course_id: @course.id, root_account_id: @course.root_account_id }
       messages = NotificationMessageCreator.new(@notification, @assignment, to_list: @user, data: data).create_message
@@ -490,7 +487,6 @@ describe NotificationMessageCreator do
     context "notification policy overrides" do
       before(:each) do
         notification_set({notification_opts: {category: 'PandaExpressTime'}})
-        @course.root_account.enable_feature!(:mute_notifications_by_course)
         Account.site_admin.enable_feature!(:notification_granular_course_preferences)
       end