FIX: don't downcase watched words on input since it can break the watched_words_regular_expressions setting

app/models/watched_word.rb

@@ -31,11 +31,12 @@ class WatchedWord < ActiveRecord::Base
   scope :by_action, -> { order("action ASC, word ASC") }
 
   def self.normalize_word(w)
-    w.strip.downcase.squeeze('*')
+    w.strip.squeeze('*')
   end
 
   def self.create_or_update_word(params)
-    w = find_or_initialize_by(word: normalize_word(params[:word]))
+    new_word = normalize_word(params[:word])
+    w = WatchedWord.where("word ILIKE ?", new_word).first || WatchedWord.new(word: new_word)
     w.action_key = params[:action_key] if params[:action_key]
     w.action = params[:action] if params[:action]
     w.save

spec/models/watched_word_spec.rb

@@ -11,8 +11,8 @@ describe WatchedWord do
     expect(described_class.count).to eq(1)
   end
 
-  it "downcases words" do
-    expect(described_class.create(word: "ShooT").word).to eq('shoot')
+  it "doesn't downcase words" do
+    expect(described_class.create(word: "ShooT").word).to eq('ShooT')
   end
 
   it "strips leading and trailing spaces" do

spec/services/word_watcher_spec.rb

@@ -76,6 +76,21 @@ describe WordWatcher do
           m = WordWatcher.new("trooooooooot").word_matches_for_action?(:require_approval)
           expect(m[1]).to eq("trooooooooot")
         end
+
+        it "support uppercase" do
+          Fabricate(
+            :watched_word,
+            word: /a\S+ce/,
+            action: WatchedWord.actions[:require_approval]
+          )
+
+          m = WordWatcher.new('Amazing place').word_matches_for_action?(:require_approval)
+          expect(m).to be_nil
+          m = WordWatcher.new('Amazing applesauce').word_matches_for_action?(:require_approval)
+          expect(m[1]).to eq('applesauce')
+          m = WordWatcher.new('Amazing AppleSauce').word_matches_for_action?(:require_approval)
+          expect(m[1]).to eq('AppleSauce')
+        end
       end
 
     end