Fix 500 on mobile commented and liked streams

Fixes #7218, regression from #7036

closes #7219

Changelog.md

@@ -19,6 +19,7 @@
 * Fix visiblity on invitation modal when opening it from the stream [#7191](https://github.com/diaspora/diaspora/pull/7191)
 * Add avatar fallback on tags page [#7198](https://github.com/diaspora/diaspora/pull/7198)
 * Update notifications when changing the stream [#7199](https://github.com/diaspora/diaspora/pull/7199)
+* Fix 500 on mobile commented and liked streams [#7219](https://github.com/diaspora/diaspora/pull/7219)
 
 ## Features
 * Show spinner when loading comments in the stream [#7170](https://github.com/diaspora/diaspora/pull/7170)

app/helpers/stream_helper.rb

@@ -30,6 +30,10 @@ module StreamHelper
       aspects_stream_path(max_time: time_for_scroll(@stream), a_ids: session[:a_ids])
     elsif current_page?(:public_stream)
       public_stream_path(max_time: time_for_scroll(@stream))
+    elsif current_page?(:commented_stream)
+      commented_stream_path(max_time: time_for_scroll(@stream))
+    elsif current_page?(:liked_stream)
+      liked_stream_path(max_time: time_for_scroll(@stream))
     elsif current_page?(:mentioned_stream)
       mentioned_stream_path(max_time: time_for_scroll(@stream))
     elsif current_page?(:followed_tags_stream)

spec/helpers/stream_helper_spec.rb

@@ -41,6 +41,20 @@ describe StreamHelper, type: :helper do
       expect(helper.next_page_path).to include activity_stream_path
     end
 
+    it "works for commented page when current page is commented stream" do
+      allow(helper).to receive(:current_page?).and_return(false)
+      expect(helper).to receive(:current_page?).with(:commented_stream).and_return(true)
+      allow(helper).to receive(:controller).and_return(build_controller(StreamsController))
+      expect(helper.next_page_path).to include commented_stream_path
+    end
+
+    it "works for liked page when current page is liked stream" do
+      allow(helper).to receive(:current_page?).and_return(false)
+      expect(helper).to receive(:current_page?).with(:liked_stream).and_return(true)
+      allow(helper).to receive(:controller).and_return(build_controller(StreamsController))
+      expect(helper.next_page_path).to include liked_stream_path
+    end
+
     it "works for mentioned page when current page is mentioned stream" do
       allow(helper).to receive(:current_page?).and_return(false)
       expect(helper).to receive(:current_page?).with(:mentioned_stream).and_return(true)