FEATURE: silenced users should not be allowed to edit posts

lib/guardian/post_guardian.rb

@@ -147,6 +147,9 @@ module PostGuardian
     end
 
     if is_my_own?(post)
+
+      return false if @user.silenced?
+
       if post.hidden?
         return false if post.hidden_at.present? &&
                         post.hidden_at >= SiteSetting.cooldown_minutes_after_hiding_posts.minutes.ago

spec/components/guardian_spec.rb

@@ -1174,6 +1174,11 @@ describe Guardian do
 
     describe 'a Post' do
 
+      it 'returns false for silenced users' do
+        post.user.silenced_till = 1.day.from_now
+        expect(Guardian.new(post.user).can_edit?(post)).to be_falsey
+      end
+
       it 'returns false when not logged in' do
         expect(Guardian.new.can_edit?(post)).to be_falsey
       end