Glitch::FilterHelper -> Glitch::KeywordMuteHelper. #234.

The class helps out with keyword mutes, not just some general concept of
"filtering".

app/lib/feed_manager.rb

@@ -178,7 +178,7 @@ class FeedManager
   end
 
   def keyword_filter?(status, receiver_id)
-    Glitch::FilterHelper.new(receiver_id).matches?(status)
+    Glitch::KeywordMuteHelper.new(receiver_id).matches?(status)
   end
 
   def filter_from_mentions?(status, receiver_id)

app/models/glitch/keyword_mute_helper.rb

@@ -1,6 +1,6 @@
 require 'htmlentities'
 
-class Glitch::FilterHelper
+class Glitch::KeywordMuteHelper
   include ActionView::Helpers::SanitizeHelper
 
   attr_reader :text_matcher
@@ -26,6 +26,6 @@ class Glitch::FilterHelper
   end
 
   def prepare_text(text)
-    entity_decoder.decode(strip_tags(text))
+    entity_decoder.decode(strip_tags(text)).tap { |x| puts x }
   end
 end

spec/models/glitch/keyword_mute_helper_spec.rb

@@ -1,9 +1,9 @@
 require 'rails_helper'
 
-RSpec.describe Glitch::FilterHelper do
+RSpec.describe Glitch::KeywordMuteHelper do
   describe '#matches?' do
     let(:alice) { Fabricate(:account, username: 'alice').tap(&:save!) }
-    let(:helper) { Glitch::FilterHelper.new(alice) }
+    let(:helper) { Glitch::KeywordMuteHelper.new(alice) }
 
     it 'ignores names of HTML tags in status text' do
       status = Fabricate(:status, text: '<addr>uh example</addr>')